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Diffstat (limited to 'storage/spider/spd_db_oracle.cc')
| -rw-r--r-- | storage/spider/spd_db_oracle.cc | 13856 |
1 files changed, 13856 insertions, 0 deletions
diff --git a/storage/spider/spd_db_oracle.cc b/storage/spider/spd_db_oracle.cc new file mode 100644 index 00000000..e2a7e594 --- /dev/null +++ b/storage/spider/spd_db_oracle.cc @@ -0,0 +1,13856 @@ +/* Copyright (C) 2012-2018 Kentoku Shiba + Copyright (c) 2020, MariaDB Corporation. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 of the License. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */ + +#define MYSQL_SERVER 1 +#include <my_global.h> +#include "mysql_version.h" +#include "spd_environ.h" +#if MYSQL_VERSION_ID < 50500 +#include "mysql_priv.h" +#include <mysql/plugin.h> +#else +#include "sql_priv.h" +#include "probes_mysql.h" +#include "sql_partition.h" +#include "sql_analyse.h" +#ifdef HANDLER_HAS_DIRECT_AGGREGATE +#include "sql_select.h" +#endif +#endif + +#ifdef HAVE_ORACLE_OCI +#if (defined(WIN32) || defined(_WIN32) || defined(WINDOWS) || defined(_WINDOWS)) +#include <Shlwapi.h> +#define strcasestr StrStr +#endif +#include <oci.h> +#include "spd_err.h" +#include "spd_param.h" +#include "spd_db_include.h" +#include "spd_include.h" +#include "spd_db_oracle.h" +#include "ha_spider.h" +#include "spd_conn.h" +#include "spd_db_conn.h" +#include "spd_malloc.h" +#include "spd_sys_table.h" +#include "spd_table.h" + +extern struct charset_info_st *spd_charset_utf8mb3_bin; + +extern handlerton *spider_hton_ptr; +extern pthread_mutex_t spider_open_conn_mutex; +extern HASH spider_open_connections; +extern HASH spider_ipport_conns; +extern SPIDER_DBTON spider_dbton[SPIDER_DBTON_SIZE]; +extern const char spider_dig_upper[]; + +#define SPIDER_DB_WRAPPER_ORACLE "oracle" + +#define SPIDER_SQL_NAME_QUOTE_STR "\"" +#define SPIDER_SQL_NAME_QUOTE_LEN (sizeof(SPIDER_SQL_NAME_QUOTE_STR) - 1) +static const char *name_quote_str = SPIDER_SQL_NAME_QUOTE_STR; + +#define SPIDER_SQL_ISO_READ_COMMITTED_STR "set transaction isolation level read committed" +#define SPIDER_SQL_ISO_READ_COMMITTED_LEN sizeof(SPIDER_SQL_ISO_READ_COMMITTED_STR) - 1 +#define SPIDER_SQL_ISO_SERIALIZABLE_STR "set transaction isolation level serializable" +#define SPIDER_SQL_ISO_SERIALIZABLE_LEN sizeof(SPIDER_SQL_ISO_SERIALIZABLE_STR) - 1 + +#define SPIDER_SQL_START_TRANSACTION_STR "set transaction read write" +#define SPIDER_SQL_START_TRANSACTION_LEN sizeof(SPIDER_SQL_START_TRANSACTION_STR) - 1 + +#define SPIDER_SQL_AUTOCOMMIT_OFF_STR "set autocommit off" +#define SPIDER_SQL_AUTOCOMMIT_OFF_LEN sizeof(SPIDER_SQL_AUTOCOMMIT_OFF_STR) - 1 +#define SPIDER_SQL_AUTOCOMMIT_ON_STR "set autocommit on" +#define SPIDER_SQL_AUTOCOMMIT_ON_LEN sizeof(SPIDER_SQL_AUTOCOMMIT_ON_STR) - 1 + +#define SPIDER_SQL_LOCK_TABLE_STR "lock table " +#define SPIDER_SQL_LOCK_TABLE_LEN (sizeof(SPIDER_SQL_LOCK_TABLE_STR) - 1) +#define SPIDER_SQL_UNLOCK_TABLE_STR "unlock tables" +#define SPIDER_SQL_UNLOCK_TABLE_LEN (sizeof(SPIDER_SQL_UNLOCK_TABLE_STR) - 1) +#define SPIDER_SQL_LOCK_TABLE_SHARE_MODE_STR " in share mode" +#define SPIDER_SQL_LOCK_TABLE_SHARE_MODE_LEN (sizeof(SPIDER_SQL_LOCK_TABLE_SHARE_MODE_STR) - 1) +#define SPIDER_SQL_LOCK_TABLE_EXCLUSIVE_MODE_STR " in exclusive mode" +#define SPIDER_SQL_LOCK_TABLE_EXCLUSIVE_MODE_LEN (sizeof(SPIDER_SQL_LOCK_TABLE_EXCLUSIVE_MODE_STR) - 1) + +#define SPIDER_SQL_COMMIT_STR "commit" +#define SPIDER_SQL_COMMIT_LEN sizeof(SPIDER_SQL_COMMIT_STR) - 1 + +#define SPIDER_SQL_SET_NLS_DATE_FORMAT_STR "alter session set nls_date_format='YYYY-MM-DD HH24:MI:SS'" +#define SPIDER_SQL_SET_NLS_DATE_FORMAT_LEN sizeof(SPIDER_SQL_SET_NLS_DATE_FORMAT_STR) - 1 +#define SPIDER_SQL_SET_NLS_TIME_FORMAT_STR "alter session set nls_time_format='HH24:MI:SSXFF'" +#define SPIDER_SQL_SET_NLS_TIME_FORMAT_LEN sizeof(SPIDER_SQL_SET_NLS_TIME_FORMAT_STR) - 1 +#define SPIDER_SQL_SET_NLS_TIMESTAMP_FORMAT_STR "alter session set nls_timestamp_format='YYYY-MM-DD HH24:MI:SSXFF'" +#define SPIDER_SQL_SET_NLS_TIMESTAMP_FORMAT_LEN sizeof(SPIDER_SQL_SET_NLS_TIMESTAMP_FORMAT_STR) - 1 + +#define SPIDER_SQL_SELECT_WRAPPER_HEAD_STR "select * from (" +#define SPIDER_SQL_SELECT_WRAPPER_HEAD_LEN sizeof(SPIDER_SQL_SELECT_WRAPPER_HEAD_STR) - 1 +#define SPIDER_SQL_UPDATE_WRAPPER_HEAD_STR " where rowid in (select rowid from (select rowid, row_number() over (order by " +#define SPIDER_SQL_UPDATE_WRAPPER_HEAD_LEN sizeof(SPIDER_SQL_UPDATE_WRAPPER_HEAD_STR) - 1 +#define SPIDER_SQL_ROW_NUMBER_HEAD_STR ", row_number() over (order by " +#define SPIDER_SQL_ROW_NUMBER_HEAD_LEN sizeof(SPIDER_SQL_ROW_NUMBER_HEAD_STR) - 1 +#define SPIDER_SQL_ROW_NUMBER_TAIL_STR "rowid) row_num" +#define SPIDER_SQL_ROW_NUMBER_TAIL_LEN sizeof(SPIDER_SQL_ROW_NUMBER_TAIL_STR) - 1 +#define SPIDER_SQL_ROW_NUMBER_DESC_TAIL_STR "rowid desc) row_num" +#define SPIDER_SQL_ROW_NUMBER_DESC_TAIL_LEN sizeof(SPIDER_SQL_ROW_NUMBER_DESC_TAIL_STR) - 1 +#define SPIDER_SQL_SELECT_WRAPPER_TAIL_STR ") where row_num " +#define SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN sizeof(SPIDER_SQL_SELECT_WRAPPER_TAIL_STR) - 1 +#define SPIDER_SQL_ROW_NUM_STR "row_num" +#define SPIDER_SQL_ROW_NUM_LEN sizeof(SPIDER_SQL_ROW_NUM_STR) - 1 +#define SPIDER_SQL_ROWNUM_STR "rownum" +#define SPIDER_SQL_ROWNUM_LEN sizeof(SPIDER_SQL_ROWNUM_STR) - 1 +#define SPIDER_SQL_NEXTVAL_STR ".nextval" +#define SPIDER_SQL_NEXTVAL_LEN sizeof(SPIDER_SQL_NEXTVAL_STR) - 1 +#define SPIDER_SQL_CURRVAL_STR ".currval" +#define SPIDER_SQL_CURRVAL_LEN sizeof(SPIDER_SQL_CURRVAL_STR) - 1 +#define SPIDER_SQL_FROM_DUAL_STR " from dual" +#define SPIDER_SQL_FROM_DUAL_LEN sizeof(SPIDER_SQL_FROM_DUAL_STR) - 1 + +#define SPIDER_SQL_SHOW_TABLE_STATUS_STR "show table status from " +#define SPIDER_SQL_SHOW_TABLE_STATUS_LEN sizeof(SPIDER_SQL_SHOW_TABLE_STATUS_STR) - 1 +#define SPIDER_SQL_SELECT_TABLES_STATUS_STR "select `table_rows`,`avg_row_length`,`data_length`,`max_data_length`,`index_length`,`auto_increment`,`create_time`,`update_time`,`check_time` from `information_schema`.`tables` where `table_schema` = " +#define SPIDER_SQL_SELECT_TABLES_STATUS_LEN sizeof(SPIDER_SQL_SELECT_TABLES_STATUS_STR) - 1 + +#define SPIDER_SQL_LIKE_STR " like " +#define SPIDER_SQL_LIKE_LEN (sizeof(SPIDER_SQL_LIKE_STR) - 1) +#define SPIDER_SQL_LIMIT1_STR "rownum = 1" +#define SPIDER_SQL_LIMIT1_LEN (sizeof(SPIDER_SQL_LIMIT1_STR) - 1) + +#define SPIDER_SQL_ADD_MONTHS_STR "add_months" +#define SPIDER_SQL_ADD_MONTHS_LEN (sizeof(SPIDER_SQL_ADD_MONTHS_STR) - 1) + +#define SPIDER_ORACLE_ERR_BUF_LEN 512 + +static uchar SPIDER_SQL_LINESTRING_HEAD_STR[] = + {0x00,0x00,0x00,0x00,0x01,0x02,0x00,0x00,0x00,0x02,0x00,0x00,0x00}; +#define SPIDER_SQL_LINESTRING_HEAD_LEN sizeof(SPIDER_SQL_LINESTRING_HEAD_STR) + +static const char *spider_db_table_lock_str[] = +{ + " in share mode", + " in share mode", + " in exclusive mode", + " in exclusive mode" +}; +static const int spider_db_table_lock_len[] = +{ + sizeof(" in share mode") - 1, + sizeof(" in share mode") - 1, + sizeof(" in exclusive mode") - 1, + sizeof(" in exclusive mode") - 1 +}; + +/* UTC time zone for timestamp columns */ +extern Time_zone *UTC; + +int spider_db_oracle_get_error( + sword res, + dvoid *hndlp, + int error_num, + const char *error1, + const char *error2, + CHARSET_INFO *access_charset, + char *stored_error_msg +) { + sb4 error_code; + char buf[SPIDER_ORACLE_ERR_BUF_LEN]; + char buf2[SPIDER_ORACLE_ERR_BUF_LEN]; + spider_string tmp_str(buf2, SPIDER_ORACLE_ERR_BUF_LEN, system_charset_info); + DBUG_ENTER("spider_db_oracle_get_error"); + tmp_str.init_calc_mem(176); + tmp_str.length(0); + + switch (res) + { + case OCI_SUCCESS: + DBUG_PRINT("info",("spider res=OCI_SUCCESS")); + break; + case OCI_SUCCESS_WITH_INFO: + DBUG_PRINT("info",("spider res=OCI_SUCCESS_WITH_INFO")); + OCIErrorGet(hndlp, 1, NULL, &error_code, (OraText *) buf, sizeof(buf), + OCI_HTYPE_ERROR); + DBUG_PRINT("info",("spider error_code=%d error='%s'",error_code ,buf)); + if (access_charset && access_charset->cset != system_charset_info->cset) + { + tmp_str.append(buf, strlen(buf), access_charset); + } else { + tmp_str.set(buf, strlen(buf), system_charset_info); + } + push_warning_printf(current_thd, SPIDER_WARN_LEVEL_WARN, + ER_SPIDER_ORACLE_NUM, ER_SPIDER_ORACLE_STR, res, error_code, + tmp_str.c_ptr_safe()); + break; + case OCI_NO_DATA: + DBUG_PRINT("info",("spider res=OCI_NO_DATA")); + DBUG_RETURN(HA_ERR_END_OF_FILE); + case OCI_ERROR: + DBUG_PRINT("info",("spider res=OCI_ERROR")); + OCIErrorGet(hndlp, 1, NULL, &error_code, (OraText *) buf, sizeof(buf), + OCI_HTYPE_ERROR); + DBUG_PRINT("info",("spider error_code=%d error='%s'",error_code ,buf)); + if (error_code == 1) + { + DBUG_PRINT("info",("spider found dupp key")); + if (stored_error_msg) + strmov(stored_error_msg, buf); + DBUG_RETURN(HA_ERR_FOUND_DUPP_KEY); + } + if (error_num) + { + if (error1) + { + if (error2) + { + my_printf_error(error_num, error1, MYF(0), error2); + } else { + my_printf_error(error_num, error1, MYF(0)); + } + } else if (error2) { + my_error(error_num, MYF(0), error2); + } else { + my_error(error_num, MYF(0)); + } + } + if (access_charset && access_charset->cset != system_charset_info->cset) + { + tmp_str.append(buf, strlen(buf), access_charset); + } else { + tmp_str.set(buf, strlen(buf), system_charset_info); + } + my_printf_error(ER_SPIDER_ORACLE_NUM, ER_SPIDER_ORACLE_STR, MYF(0), + res, error_code, tmp_str.c_ptr_safe()); + if (error_num) + { + DBUG_RETURN(error_num); + } else { + DBUG_RETURN(ER_SPIDER_ORACLE_NUM); + } + case OCI_INVALID_HANDLE: + case OCI_NEED_DATA: + if (res == OCI_INVALID_HANDLE) + DBUG_PRINT("info",("spider res=OCI_INVALID_HANDLE")); + else + DBUG_PRINT("info",("spider res=OCI_NEED_DATA")); + default: + DBUG_PRINT("info",("spider res=%d", res)); + if (error_num) + { + if (error1) + { + if (error2) + { + my_printf_error(error_num, error1, MYF(0), error2); + } else { + my_printf_error(error_num, error1, MYF(0)); + } + } else if (error2) { + my_error(error_num, MYF(0), error2); + } else { + my_error(error_num, MYF(0)); + } + } + my_printf_error(ER_SPIDER_ORACLE_NUM, ER_SPIDER_ORACLE_STR, MYF(0), + res, 0, ""); + if (error_num) + { + DBUG_RETURN(error_num); + } else { + DBUG_RETURN(ER_SPIDER_ORACLE_NUM); + } + } + DBUG_RETURN(0); +} + +int spider_oracle_init() +{ + DBUG_ENTER("spider_oracle_init"); + DBUG_RETURN(0); +} + +int spider_oracle_deinit() +{ + DBUG_ENTER("spider_oracle_deinit"); + DBUG_RETURN(0); +} + +spider_db_share *spider_oracle_create_share( + SPIDER_SHARE *share +) { + DBUG_ENTER("spider_oracle_create_share"); + DBUG_RETURN(new spider_oracle_share(share)); +} + +spider_db_handler *spider_oracle_create_handler( + ha_spider *spider, + spider_db_share *db_share +) { + DBUG_ENTER("spider_oracle_create_handler"); + DBUG_RETURN(new spider_oracle_handler(spider, + (spider_oracle_share *) db_share)); +} + +spider_db_copy_table *spider_oracle_create_copy_table( + spider_db_share *db_share +) { + DBUG_ENTER("spider_oracle_create_copy_table"); + DBUG_RETURN(new spider_oracle_copy_table( + (spider_oracle_share *) db_share)); +} + +SPIDER_DB_CONN *spider_oracle_create_conn( + SPIDER_CONN *conn +) { + DBUG_ENTER("spider_oracle_create_conn"); + DBUG_RETURN(new spider_db_oracle(conn)); +} + +bool spider_oracle_support_direct_join( +) { + DBUG_ENTER("spider_oracle_support_direct_join"); + DBUG_RETURN(FALSE); +} + +spider_db_oracle_util spider_db_oracle_utility; + +SPIDER_DBTON spider_dbton_oracle = { + 0, + SPIDER_DB_WRAPPER_ORACLE, + SPIDER_DB_ACCESS_TYPE_SQL, + spider_oracle_init, + spider_oracle_deinit, + spider_oracle_create_share, + spider_oracle_create_handler, + spider_oracle_create_copy_table, + spider_oracle_create_conn, + spider_oracle_support_direct_join, + &spider_db_oracle_utility, + "For communicating Oracle using native protocol", + "1.0.0", + SPIDER_MATURITY_BETA +}; + +spider_db_oracle_row::spider_db_oracle_row() : + spider_db_row(spider_dbton_oracle.dbton_id), + db_conn(NULL), result(NULL), + ind(NULL), val(NULL), rlen(NULL), ind_first(NULL), val_first(NULL), + rlen_first(NULL), val_str(NULL), val_str_first(NULL), defnp(NULL), + lobhp(NULL), colhp(NULL), coltp(NULL), colsz(NULL), field_count(0), + row_size(NULL), row_size_first(NULL), access_charset(NULL), cloned(FALSE) +{ + DBUG_ENTER("spider_db_oracle_row::spider_db_oracle_row"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_VOID_RETURN; +} + +spider_db_oracle_row::~spider_db_oracle_row() +{ + DBUG_ENTER("spider_db_oracle_row::~spider_db_oracle_row"); + DBUG_PRINT("info",("spider this=%p", this)); + deinit(); + DBUG_VOID_RETURN; +} + +int spider_db_oracle_row::store_to_field( + Field *field, + CHARSET_INFO *access_charset +) { + DBUG_ENTER("spider_db_oracle_row::store_to_field"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_PRINT("info",("spider ind=%d", *ind)); + if (*ind == -1) + { + DBUG_PRINT("info", ("spider field is null")); + field->set_null(); + field->reset(); + } else { + DBUG_PRINT("info", ("spider field->type()=%u", field->type())); + field->set_notnull(); + if (field->type() == MYSQL_TYPE_YEAR) + { + field->store(val_str->ptr(), 4, + field->table->s->table_charset); + } else if (field->type() == MYSQL_TYPE_DATE) + { + field->store(val_str->ptr(), 10, + field->table->s->table_charset); + } else if (field->type() == MYSQL_TYPE_TIME) + { + field->store(val_str->ptr() + 11, 8, + field->table->s->table_charset); + } else { + DBUG_PRINT("info", ("spider val_str->length()=%u", val_str->length())); + if (field->flags & BLOB_FLAG) + { + DBUG_PRINT("info", ("spider blob field")); + ((Field_blob *)field)->set_ptr( + val_str->length(), (uchar *) val_str->ptr()); + } else { + field->store(val_str->ptr(), val_str->length(), + field->table->s->table_charset); + } + } + } + DBUG_RETURN(0); +} + +int spider_db_oracle_row::append_to_str( + spider_string *str +) { + DBUG_ENTER("spider_db_oracle_row::append_to_str"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(val_str->length())) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(val_str->ptr(), val_str->length()); + DBUG_RETURN(0); +} + +int spider_db_oracle_row::append_escaped_to_str( + spider_string *str, + uint dbton_id +) { + DBUG_ENTER("spider_db_oracle_row::append_escaped_to_str"); + DBUG_PRINT("info",("spider this=%p", this)); +/* + spider_string tmp_str(*val, *rlen, str->charset()); + tmp_str.init_calc_mem(174); + tmp_str.length(*rlen); +#ifndef DBUG_OFF + tmp_str.c_ptr_safe(); +#endif + if (str->reserve(*rlen * 2)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + util.append_escaped(str, tmp_str.get_str()); +*/ + if (str->reserve(val_str->length() * 2)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + spider_dbton[dbton_id].db_util->append_escaped_util(str, val_str->get_str()); + DBUG_RETURN(0); +} + +void spider_db_oracle_row::first() +{ + DBUG_ENTER("spider_db_oracle_row::first"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_PRINT("info",("spider ind_first=%p", ind_first)); + ind = ind_first; + DBUG_PRINT("info",("spider val_first=%p", val_first)); + val = val_first; + DBUG_PRINT("info",("spider rlen_first=%p", rlen_first)); + rlen = rlen_first; + DBUG_PRINT("info",("spider row_size_first=%p", row_size_first)); + row_size = row_size_first; + DBUG_PRINT("info",("spider val_str_first=%p", val_str_first)); + val_str = val_str_first; + DBUG_VOID_RETURN; +} + +void spider_db_oracle_row::next() +{ + DBUG_ENTER("spider_db_oracle_row::next"); + DBUG_PRINT("info",("spider this=%p", this)); + ind++; + val++; + rlen++; + row_size++; + val_str++; + DBUG_VOID_RETURN; +} + +bool spider_db_oracle_row::is_null() +{ + DBUG_ENTER("spider_db_oracle_row::is_null"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN((*ind == -1)); +} + +int spider_db_oracle_row::val_int() +{ + DBUG_ENTER("spider_db_oracle_row::val_int"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN((*ind != -1) ? atoi(*val) : 0); +} + +double spider_db_oracle_row::val_real() +{ + DBUG_ENTER("spider_db_oracle_row::val_real"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN((*ind != -1) ? my_atof(*val) : 0.0); +} + +my_decimal *spider_db_oracle_row::val_decimal( + my_decimal *decimal_value, + CHARSET_INFO *access_charset +) { + DBUG_ENTER("spider_db_oracle_row::val_decimal"); + DBUG_PRINT("info",("spider this=%p", this)); + if (*ind == -1) + DBUG_RETURN(NULL); + +#ifdef SPIDER_HAS_DECIMAL_OPERATION_RESULTS_VALUE_TYPE + decimal_operation_results(str2my_decimal(0, *val, *rlen, access_charset, + decimal_value), "", ""); +#else + decimal_operation_results(str2my_decimal(0, *val, *rlen, access_charset, + decimal_value)); +#endif + + DBUG_RETURN(decimal_value); +} + +SPIDER_DB_ROW *spider_db_oracle_row::clone() +{ + uint i; + spider_db_oracle_row *clone_row; + DBUG_ENTER("spider_db_oracle_row::clone"); + DBUG_PRINT("info",("spider this=%p", this)); + if (!(clone_row = new spider_db_oracle_row(dbton_id))) + { + DBUG_RETURN(NULL); + } + clone_row->db_conn = db_conn; + clone_row->result = result; + clone_row->field_count = field_count; + clone_row->record_size = record_size; + clone_row->access_charset = access_charset; + clone_row->cloned = TRUE; + if (clone_row->init()) + { + delete clone_row; + DBUG_RETURN(NULL); + } + memcpy(clone_row->ind, ind_first, sizeof(ub2) * field_count * 4 + + sizeof(ulong) * field_count); + for (i = 0; i < field_count; i++) + { + if (clone_row->val_str[i].copy(val_str_first[i])) + { + delete clone_row; + DBUG_RETURN(NULL); + } + } + DBUG_RETURN((SPIDER_DB_ROW *) clone_row); +} + +int spider_db_oracle_row::store_to_tmp_table( + TABLE *tmp_table, + spider_string *str +) { + uint i; + DBUG_ENTER("spider_db_oracle_row::store_to_tmp_table"); + DBUG_PRINT("info",("spider this=%p", this)); + str->length(0); + for (i = 0; i < field_count; i++) + { + if (row_size_first[i]) + { + if (str->reserve(val_str_first[i].length())) + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + str->q_append(val_str_first[i].ptr(), val_str_first[i].length()); + } + } + tmp_table->field[0]->set_notnull(); + tmp_table->field[0]->store( + (const char *) row_size_first, + sizeof(ulong) * field_count, &my_charset_bin); + tmp_table->field[1]->set_notnull(); + tmp_table->field[1]->store( + str->ptr(), str->length(), &my_charset_bin); + tmp_table->field[2]->set_notnull(); + tmp_table->field[2]->store( + (char *) ind_first, (uint) (sizeof(sb2) * field_count), &my_charset_bin); + DBUG_RETURN(tmp_table->file->ha_write_row(tmp_table->record[0])); +} + +uint spider_db_oracle_row::get_byte_size() +{ + DBUG_ENTER("spider_db_oracle_row::get_byte_size"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(record_size); +} + +int spider_db_oracle_row::init() +{ + char *tmp_val; + uint i; + DBUG_ENTER("spider_db_oracle_row::init"); + DBUG_PRINT("info",("spider this=%p", this)); + if ( + !(ind = (sb2 *) + spider_bulk_malloc(spider_current_trx, 161, MYF(MY_WME | MY_ZEROFILL), + &ind, (uint) (sizeof(sb2) * field_count), + &rlen, (uint) (sizeof(ub2) * field_count), + &coltp, (uint) (sizeof(ub2) * field_count), + &colsz, (uint) (sizeof(ub2) * field_count), + &row_size, (uint) (sizeof(ulong) * field_count), + &val, (uint) (sizeof(char *) * field_count), + &tmp_val, (uint) (MAX_FIELD_WIDTH * field_count), + &defnp, (uint) (sizeof(OCIDefine *) * field_count), + &lobhp, (uint) (sizeof(OCILobLocator *) * field_count), + &colhp, (uint) (sizeof(OCIParam *) * field_count), + NullS) + ) || + !(val_str = new spider_string[field_count]) + ) { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + ind_first = ind; + val_first = val; + rlen_first = rlen; + row_size_first = row_size; + val_str_first = val_str; + for (i = 0; i < field_count; i++) + { + val[i] = tmp_val; + val_str[i].init_calc_mem(177); + val_str[i].set(tmp_val, MAX_FIELD_WIDTH, access_charset); + tmp_val += MAX_FIELD_WIDTH; + } + DBUG_RETURN(0); +} + +void spider_db_oracle_row::deinit() +{ + uint i; + DBUG_ENTER("spider_db_oracle_row::deinit"); + DBUG_PRINT("info",("spider this=%p", this)); + if (!cloned) + { + for (i = 0; i < field_count; i++) + { + if (defnp && defnp[i]) + { + OCIHandleFree(defnp[i], OCI_HTYPE_DEFINE); + defnp[i] = NULL; + } + if (lobhp && lobhp[i]) + { + OCIDescriptorFree(lobhp[i], OCI_DTYPE_LOB); + lobhp[i] = NULL; + } + } + } + if (val_str_first) + { + delete [] val_str_first; + val_str_first = NULL; + } + if (ind_first) + { + spider_free(spider_current_trx, ind_first, MYF(0)); + ind_first = NULL; + } + DBUG_VOID_RETURN; +} + +int spider_db_oracle_row::define() +{ + sword res; + uint i; + DBUG_ENTER("spider_db_oracle_row::define"); + DBUG_PRINT("info",("spider this=%p", this)); + for (i = 0; i < field_count; i++) + { + if (coltp[i] == SQLT_BLOB) + { + res = OCIDescriptorAlloc(db_conn->envhp, (dvoid **) &lobhp[i], + OCI_DTYPE_LOB, 0, 0); + if (res != OCI_SUCCESS) + { + DBUG_RETURN( + spider_db_oracle_get_error(res, db_conn->errhp, 0, NULL, NULL, + access_charset, NULL)); + } + res = OCIDefineByPos(result->stmtp, &defnp[i], db_conn->errhp, i + 1, + &lobhp[i], 0, SQLT_BLOB, &ind[i], &rlen[i], NULL, + OCI_DEFAULT); + } else if (coltp[i] == SQLT_DAT) + { + res = OCIDefineByPos(result->stmtp, &defnp[i], db_conn->errhp, i + 1, + (char *) val_str[i].ptr() + 20, sizeof(ub1) * 7, SQLT_DAT, &ind[i], + &rlen[i], NULL, OCI_DEFAULT); + } else { + if (val_str[i].alloc(colsz[i])) + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + res = OCIDefineByPos(result->stmtp, &defnp[i], db_conn->errhp, i + 1, + (char *) val_str[i].ptr(), colsz[i], SQLT_CHR, &ind[i], &rlen[i], NULL, + OCI_DEFAULT); + } + if (res != OCI_SUCCESS) + { + DBUG_RETURN( + spider_db_oracle_get_error(res, db_conn->errhp, 0, NULL, NULL, + access_charset, NULL)); + } + } + DBUG_RETURN(0); +} + +int spider_db_oracle_row::fetch() +{ + sword res; + uint i; + DBUG_ENTER("spider_db_oracle_row::fetch"); + DBUG_PRINT("info",("spider this=%p", this)); + record_size = 0; + for (i = 0; i < field_count; i++) + { + if (ind[i] == -1) + { + DBUG_PRINT("info",("spider NULL")); + val_str[i].length(0); + } else { + if (coltp[i] == SQLT_BLOB) + { + DBUG_PRINT("info",("spider SQLT_BLOB")); + oraub8 len; + res = OCILobGetLength2(db_conn->svchp, db_conn->errhp, lobhp[i], &len); + if (res != OCI_SUCCESS) + { + DBUG_RETURN( + spider_db_oracle_get_error(res, db_conn->errhp, 0, NULL, NULL, + access_charset, NULL)); + } +#ifndef DBUG_OFF + { + ulonglong print_len = len; + DBUG_PRINT("info",("spider len=%llu", print_len)); + } +#endif + if (val_str[i].alloc(len)) + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + res = OCILobRead2(db_conn->svchp, db_conn->errhp, lobhp[i], &len, + NULL, 1, (char *) val_str[i].ptr(), len, OCI_ONE_PIECE, NULL, NULL, + 0, 0); + if (res != OCI_SUCCESS) + { + DBUG_RETURN( + spider_db_oracle_get_error(res, db_conn->errhp, 0, NULL, NULL, + access_charset, NULL)); + } +#ifndef DBUG_OFF + { + ulonglong print_len = len; + DBUG_PRINT("info",("spider lenb=%llu", print_len)); + } +#endif + val_str[i].length(len); + } else if (coltp[i] == SQLT_DAT) + { + DBUG_PRINT("info",("spider SQLT_DAT")); + char *val = (char *) val_str[i].ptr(); + ub1 *src = (ub1 *) val + 20; + val_str[i].length(19); + if (src[0] < 100) + my_sprintf(val, (val, "0000-00-00 00:00:00")); + else + my_sprintf(val, (val, "%02u%02u-%02u-%02u %02u:%02u:%02u", + src[0] - 100, src[1] - 100, src[2], src[3], + src[4] - 1, src[5] - 1, src[6] - 1)); + } else { + val_str[i].length(rlen[i]); + } + } + row_size[i] = val_str[i].length(); + record_size += row_size[i]; + } + DBUG_RETURN(0); +} + +spider_db_oracle_result::spider_db_oracle_result(SPIDER_DB_CONN *in_db_conn) : + spider_db_result(in_db_conn), + db_conn(NULL), stmtp(NULL), field_count(0), access_charset(NULL), + fetched(FALSE), row(in_db_conn->dbton_id) +{ + DBUG_ENTER("spider_db_oracle_result::spider_db_oracle_result"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_VOID_RETURN; +} + +spider_db_oracle_result::~spider_db_oracle_result() +{ + DBUG_ENTER("spider_db_oracle_result::~spider_db_oracle_result"); + DBUG_PRINT("info",("spider this=%p", this)); + free_result(); + DBUG_VOID_RETURN; +} + +bool spider_db_oracle_result::has_result() +{ + DBUG_ENTER("spider_db_oracle_result::has_result"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(stmtp); +} + +void spider_db_oracle_result::free_result() +{ + DBUG_ENTER("spider_db_oracle_result::free_result"); + DBUG_PRINT("info",("spider this=%p", this)); + if (stmtp) + { + OCIHandleFree(stmtp, OCI_HTYPE_STMT); + stmtp = NULL; + } + DBUG_VOID_RETURN; +} + +SPIDER_DB_ROW *spider_db_oracle_result::current_row() +{ + DBUG_ENTER("spider_db_oracle_result::current_row"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN((SPIDER_DB_ROW *) row.clone()); +} + +SPIDER_DB_ROW *spider_db_oracle_result::fetch_row() +{ + sword res; + DBUG_ENTER("spider_db_oracle_result::fetch_row"); + DBUG_PRINT("info",("spider this=%p", this)); + row.ind = row.ind_first; + row.val = row.val_first; + row.rlen = row.rlen_first; + row.row_size = row.row_size_first; + row.val_str = row.val_str_first; + if (fetched) + { + /* already fetched */ + fetched = FALSE; + } else { + res = OCIStmtFetch2(stmtp, db_conn->errhp, 1, OCI_FETCH_NEXT, 0, + OCI_DEFAULT); + if (res != OCI_SUCCESS) + { + store_error_num = spider_db_oracle_get_error(res, db_conn->errhp, 0, + NULL, NULL, access_charset, NULL); + DBUG_RETURN(NULL); + } + } + if ((store_error_num = row.fetch())) + { + DBUG_RETURN(NULL); + } + DBUG_RETURN((SPIDER_DB_ROW *) &row); +} + +SPIDER_DB_ROW *spider_db_oracle_result::fetch_row_from_result_buffer( + spider_db_result_buffer *spider_res_buf +) { + sword res; + DBUG_ENTER("spider_db_oracle_result::fetch_row_from_result_buffer"); + DBUG_PRINT("info",("spider this=%p", this)); + row.ind = row.ind_first; + row.val = row.val_first; + row.rlen = row.rlen_first; + row.row_size = row.row_size_first; + row.val_str = row.val_str_first; + if (fetched) + { + /* already fetched */ + fetched = FALSE; + } else { + res = OCIStmtFetch2(stmtp, db_conn->errhp, 1, OCI_FETCH_NEXT, 0, + OCI_DEFAULT); + if (res != OCI_SUCCESS) + { + store_error_num = spider_db_oracle_get_error(res, db_conn->errhp, 0, + NULL, NULL, access_charset, NULL); + DBUG_RETURN(NULL); + } + } + if ((store_error_num = row.fetch())) + { + DBUG_RETURN(NULL); + } + DBUG_RETURN((SPIDER_DB_ROW *) &row); +} + +SPIDER_DB_ROW *spider_db_oracle_result::fetch_row_from_tmp_table( + TABLE *tmp_table +) { + uint i; + const char *str; + spider_string tmp_str1, tmp_str2, tmp_str3; + DBUG_ENTER("spider_db_oracle_result::fetch_row_from_tmp_table"); + DBUG_PRINT("info",("spider this=%p", this)); + tmp_str1.init_calc_mem(175); + tmp_str2.init_calc_mem(178); + tmp_str3.init_calc_mem(179); + tmp_table->field[0]->val_str(tmp_str1.get_str()); + tmp_table->field[1]->val_str(tmp_str2.get_str()); + tmp_table->field[2]->val_str(tmp_str3.get_str()); + tmp_str1.mem_calc(); + tmp_str2.mem_calc(); + tmp_str3.mem_calc(); + row.ind = row.ind_first; + row.val = row.val_first; + row.rlen = row.rlen_first; + row.row_size = row.row_size_first; + row.val_str = row.val_str_first; + DBUG_PRINT("info",("spider tmp_str1.length()=%u", tmp_str1.length())); + DBUG_PRINT("info",("spider tmp_str2.length()=%u", tmp_str2.length())); + DBUG_PRINT("info",("spider tmp_str3.length()=%u", tmp_str3.length())); + memcpy(row.ind, tmp_str3.ptr(), tmp_str3.length()); + memcpy(row.row_size, tmp_str1.ptr(), tmp_str1.length()); + row.field_count = tmp_str1.length() / sizeof(ulong); + str = tmp_str2.ptr(); + for (i = 0; i < row.field_count; i++) + { + row.val_str[i].length(0); + if (row.row_size[i]) + { + if (row.val_str[i].reserve(row.row_size[i])) + { + store_error_num = HA_ERR_OUT_OF_MEM; + DBUG_RETURN(NULL); + } + row.val_str[i].q_append(str, row.row_size[i]); + str += row.row_size[i]; + } + } + row.record_size = tmp_str2.length(); + DBUG_RETURN((SPIDER_DB_ROW *) &row); +} + +int spider_db_oracle_result::fetch_table_status( + int mode, + ha_statistics &stat +) { + DBUG_ENTER("spider_db_oracle_result::fetch_table_status"); + DBUG_PRINT("info",("spider this=%p", this)); + /* TODO: develop later */ + stat.records = 2; + stat.mean_rec_length = 65535; + stat.data_file_length = 65535; + stat.max_data_file_length = 65535; + stat.index_file_length = 65535; +/* + auto_increment_value = 0; +*/ + stat.create_time = (time_t) 0; + stat.update_time = (time_t) 0; + stat.check_time = (time_t) 0; + DBUG_RETURN(0); +} + +int spider_db_oracle_result::fetch_table_records( + int mode, + ha_rows &records +) { + DBUG_ENTER("spider_db_oracle_result::fetch_table_records"); + DBUG_PRINT("info",("spider this=%p", this)); + if (!fetch_row()) + { + records = 0; + } else { + records = row.val_int(); + } + DBUG_RETURN(0); +} + +int spider_db_oracle_result::fetch_table_cardinality( + int mode, + TABLE *table, + longlong *cardinality, + uchar *cardinality_upd, + int bitmap_size +) { + DBUG_ENTER("spider_db_oracle_result::fetch_table_cardinality"); + DBUG_PRINT("info",("spider this=%p", this)); + /* TODO: develop later */ + DBUG_RETURN(0); +} + +int spider_db_oracle_result::fetch_table_mon_status( + int &status +) { + DBUG_ENTER("spider_db_oracle_result::fetch_table_mon_status"); + DBUG_PRINT("info",("spider this=%p", this)); + /* TODO: develop later */ + status = SPIDER_LINK_MON_OK; + DBUG_RETURN(0); +} + +longlong spider_db_oracle_result::num_rows() +{ + sword res; + ub4 rowcnt; + DBUG_ENTER("spider_db_oracle_result::num_rows"); + DBUG_PRINT("info",("spider this=%p", this)); + res = OCIAttrGet(stmtp, OCI_HTYPE_STMT, &rowcnt, 0, + OCI_ATTR_ROW_COUNT, db_conn->errhp); + if (res != OCI_SUCCESS) + { + spider_db_oracle_get_error(res, db_conn->errhp, 0, NULL, NULL, + access_charset, NULL); + DBUG_RETURN(0); + } + DBUG_PRINT("info",("spider rowcnt=%u", rowcnt)); + DBUG_RETURN((longlong) rowcnt); +} + +uint spider_db_oracle_result::num_fields() +{ + sword res; + ub4 parmcnt; + DBUG_ENTER("spider_db_oracle_result::num_fields"); + DBUG_PRINT("info",("spider this=%p", this)); + res = OCIAttrGet(stmtp, OCI_HTYPE_STMT, &parmcnt, 0, + OCI_ATTR_PARAM_COUNT, db_conn->errhp); + if (res != OCI_SUCCESS) + { + spider_db_oracle_get_error(res, db_conn->errhp, 0, NULL, NULL, + access_charset, NULL); + DBUG_RETURN(0); + } + DBUG_RETURN((uint) parmcnt); +} + +void spider_db_oracle_result::move_to_pos( + longlong pos +) { + sword res; + DBUG_ENTER("spider_db_oracle_result::move_to_pos"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_PRINT("info",("spider pos=%lld", pos)); + res = OCIStmtFetch2(stmtp, db_conn->errhp, 1, OCI_FETCH_ABSOLUTE, pos, + OCI_DEFAULT); + if (res != OCI_SUCCESS) + { + spider_db_oracle_get_error(res, db_conn->errhp, 0, NULL, NULL, + access_charset, NULL); + } + DBUG_VOID_RETURN; +} + +int spider_db_oracle_result::set_column_info() +{ + sword res; + uint i; + DBUG_ENTER("spider_db_oracle_result::set_column_info"); + DBUG_PRINT("info",("spider this=%p", this)); + for (i = 0; i < field_count; i++) + { + res = OCIParamGet(stmtp, OCI_HTYPE_STMT, db_conn->errhp, + (dvoid **) &row.colhp[i], i + 1); + if (res != OCI_SUCCESS) + { + DBUG_RETURN(spider_db_oracle_get_error(res, db_conn->errhp, 0, NULL, + NULL, access_charset, NULL)); + } + res = OCIAttrGet(row.colhp[i], OCI_DTYPE_PARAM, &row.coltp[i], NULL, + OCI_ATTR_DATA_TYPE, db_conn->errhp); + if (res != OCI_SUCCESS) + { + DBUG_RETURN(spider_db_oracle_get_error(res, db_conn->errhp, 0, NULL, + NULL, access_charset, NULL)); + } + res = OCIAttrGet(row.colhp[i], OCI_DTYPE_PARAM, &row.colsz[i], NULL, + OCI_ATTR_DATA_SIZE, db_conn->errhp); + if (res != OCI_SUCCESS) + { + DBUG_RETURN(spider_db_oracle_get_error(res, db_conn->errhp, 0, NULL, + NULL, access_charset, NULL)); + } + } + DBUG_RETURN(0); +} + +int spider_db_oracle_result::get_errno() +{ + DBUG_ENTER("spider_db_oracle_result::get_errno"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_PRINT("info",("spider store_error_num=%d", store_error_num)); + DBUG_RETURN(store_error_num); +} + +#ifdef SPIDER_HAS_DISCOVER_TABLE_STRUCTURE +int spider_db_oracle_result::fetch_columns_for_discover_table_structure( + spider_string *str, + CHARSET_INFO *access_charset +) { + DBUG_ENTER("spider_db_oracle_result::fetch_columns_for_discover_table_structure"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(HA_ERR_WRONG_COMMAND); +} + +int spider_db_oracle_result::fetch_index_for_discover_table_structure( + spider_string *str, + CHARSET_INFO *access_charset +) { + DBUG_ENTER("spider_db_oracle_result::fetch_index_for_discover_table_structure"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(HA_ERR_WRONG_COMMAND); +} + +int spider_db_oracle_result::fetch_table_for_discover_table_structure( + spider_string *str, + SPIDER_SHARE *spider_share, + CHARSET_INFO *access_charset +) { + DBUG_ENTER("spider_db_oracle_result::fetch_table_for_discover_table_structure"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(HA_ERR_WRONG_COMMAND); +} +#endif + +spider_db_oracle::spider_db_oracle( + SPIDER_CONN *conn +) : spider_db_conn(conn), envhp(NULL), errhp(NULL), srvhp(NULL), svchp(NULL), + usrhp(NULL), stmtp(NULL), txnhp(NULL), result(NULL), table_lock_mode(0), + lock_table_hash_inited(FALSE), handler_open_array_inited(FALSE) +{ + DBUG_ENTER("spider_db_oracle::spider_db_oracle"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_VOID_RETURN; +} + +spider_db_oracle::~spider_db_oracle() +{ + DBUG_ENTER("spider_db_oracle::~spider_db_oracle"); + DBUG_PRINT("info",("spider this=%p", this)); + if (handler_open_array_inited) + { + reset_opened_handler(); + spider_free_mem_calc(spider_current_trx, + handler_open_array_id, + handler_open_array.max_element * + handler_open_array.size_of_element); + delete_dynamic(&handler_open_array); + } + if (lock_table_hash_inited) + { + spider_free_mem_calc(spider_current_trx, + lock_table_hash_id, + lock_table_hash.array.max_element * + lock_table_hash.array.size_of_element); + my_hash_free(&lock_table_hash); + } + disconnect(); + DBUG_VOID_RETURN; +} + +int spider_db_oracle::init() +{ + DBUG_ENTER("spider_db_oracle::init"); + DBUG_PRINT("info",("spider this=%p", this)); + if ( + my_hash_init(&lock_table_hash, spd_charset_utf8mb3_bin, 32, 0, 0, + (my_hash_get_key) spider_link_get_key, 0, 0) + ) { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + spider_alloc_calc_mem_init(lock_table_hash, 199); + spider_alloc_calc_mem(spider_current_trx, + lock_table_hash, + lock_table_hash.array.max_element * + lock_table_hash.array.size_of_element); + lock_table_hash_inited = TRUE; + + if ( + SPD_INIT_DYNAMIC_ARRAY2(&handler_open_array, + sizeof(SPIDER_LINK_FOR_HASH *), NULL, 16, 16, MYF(MY_WME)) + ) { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + spider_alloc_calc_mem_init(handler_open_array, 164); + spider_alloc_calc_mem(spider_current_trx, + handler_open_array, + handler_open_array.max_element * + handler_open_array.size_of_element); + handler_open_array_inited = TRUE; + DBUG_RETURN(0); +} + +bool spider_db_oracle::is_connected() +{ + DBUG_ENTER("spider_db_oracle::is_connected"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(svchp); +} + +void spider_db_oracle::bg_connect() +{ + sword res; + DBUG_ENTER("spider_db_oracle::bg_connect"); + DBUG_PRINT("info",("spider this=%p", this)); + res = OCIEnvNlsCreate(&envhp, OCI_DEFAULT, 0, 0, 0, 0, 0, 0, 0, 0); +/* + res = OCIEnvCreate(&envhp, OCI_THREADED, 0, 0, 0, 0, 0, 0); +*/ + if (res != OCI_SUCCESS) + { + DBUG_PRINT("info",("spider create environment error")); + stored_error_num = set_error(res, errhp, 0, NULL, NULL); + goto error; + } + DBUG_PRINT("info",("spider OCI init envhp=%p", envhp)); + + res = OCIHandleAlloc(envhp, (dvoid **) &errhp, OCI_HTYPE_ERROR, 0, 0); + if (res != OCI_SUCCESS) + { + DBUG_PRINT("info",("spider create error handler error")); + stored_error_num = set_error(res, errhp, 0, NULL, NULL); + bg_disconnect(); + goto error; + } + DBUG_PRINT("info",("spider OCI init errhp=%p", errhp)); + + res = OCIHandleAlloc(envhp, (dvoid **) &srvhp, OCI_HTYPE_SERVER, 0, 0); + if (res != OCI_SUCCESS) + { + DBUG_PRINT("info",("spider create server handler error")); + stored_error_num = set_error(res, errhp, 0, NULL, NULL); + bg_disconnect(); + goto error; + } + DBUG_PRINT("info",("spider OCI init srvhp=%p", srvhp)); + + res = OCIServerAttach(srvhp, errhp, (OraText *) tgt_host, strlen(tgt_host), + OCI_DEFAULT); + if (res != OCI_SUCCESS) + { + DBUG_PRINT("info",("spider attach server error")); + stored_error_num = set_error(res, errhp, 0, NULL, NULL); + bg_disconnect(); + goto error; + } + + res = OCIHandleAlloc(envhp, (dvoid **) &svchp, OCI_HTYPE_SVCCTX, 0, 0); + if (res != OCI_SUCCESS) + { + DBUG_PRINT("info",("spider create service context error")); + stored_error_num = set_error(res, errhp, 0, NULL, NULL); + bg_disconnect(); + goto error; + } + DBUG_PRINT("info",("spider OCI init svchp=%p", svchp)); + + res = OCIAttrSet(svchp, OCI_HTYPE_SVCCTX, srvhp, 0, OCI_ATTR_SERVER, errhp); + if (res != OCI_SUCCESS) + { + DBUG_PRINT("info",("spider set server attr error")); + stored_error_num = set_error(res, errhp, 0, NULL, NULL); + bg_disconnect(); + goto error; + } + + res = OCIHandleAlloc(envhp, (dvoid **) &usrhp, OCI_HTYPE_SESSION, 0, 0); + if (res != OCI_SUCCESS) + { + DBUG_PRINT("info",("spider create session handler error")); + stored_error_num = set_error(res, errhp, 0, NULL, NULL); + bg_disconnect(); + goto error; + } + DBUG_PRINT("info",("spider OCI init usrhp=%p", usrhp)); + + res = OCIAttrSet(usrhp, OCI_HTYPE_SESSION, + tgt_username, strlen(tgt_username), OCI_ATTR_USERNAME, errhp); + if (res != OCI_SUCCESS) + { + DBUG_PRINT("info",("spider set username attr error")); + stored_error_num = set_error(res, errhp, 0, NULL, NULL); + bg_disconnect(); + goto error; + } + + res = OCIAttrSet(usrhp, OCI_HTYPE_SESSION, + tgt_password, strlen(tgt_password), OCI_ATTR_PASSWORD, errhp); + if (res != OCI_SUCCESS) + { + DBUG_PRINT("info",("spider set password attr error")); + stored_error_num = set_error(res, errhp, 0, NULL, NULL); + bg_disconnect(); + goto error; + } + + res = OCISessionBegin(svchp, errhp, usrhp, OCI_CRED_RDBMS, OCI_DEFAULT); + if (res != OCI_SUCCESS) + { + DBUG_PRINT("info",("spider session begin error")); + stored_error_num = set_error(res, errhp, 0, NULL, NULL); + bg_disconnect(); + goto error; + } + DBUG_PRINT("info",("spider OCISessionBegin")); + + // set the session in the context handle + res = OCIAttrSet(svchp, OCI_HTYPE_SVCCTX, usrhp, 0, OCI_ATTR_SESSION, errhp); + if (res != OCI_SUCCESS) + { + DBUG_PRINT("info",("spider set session attr error")); + stored_error_num = set_error(res, errhp, 0, NULL, NULL); + bg_disconnect(); + goto error; + } + + if ( + (stored_error_num = exec_query(SPIDER_SQL_SET_NLS_DATE_FORMAT_STR, + SPIDER_SQL_SET_NLS_DATE_FORMAT_LEN, -1)) || + (stored_error_num = exec_query(SPIDER_SQL_SET_NLS_TIME_FORMAT_STR, + SPIDER_SQL_SET_NLS_TIME_FORMAT_LEN, -1)) || + (stored_error_num = exec_query(SPIDER_SQL_SET_NLS_TIMESTAMP_FORMAT_STR, + SPIDER_SQL_SET_NLS_TIMESTAMP_FORMAT_LEN, -1)) + ) { + DBUG_PRINT("info",("spider init connection error")); + bg_disconnect(); + goto error; + } + DBUG_VOID_RETURN; + +error: + strmov(stored_error_msg, spider_stmt_da_message(current_thd)); + current_thd->clear_error(); + DBUG_VOID_RETURN; +} + +int spider_db_oracle::connect( + char *tgt_host, + char *tgt_username, + char *tgt_password, + long tgt_port, + char *tgt_socket, + char *server_name, + int connect_retry_count, + longlong connect_retry_interval +) { + int error_num; + DBUG_ENTER("spider_db_oracle::connect"); + DBUG_PRINT("info",("spider this=%p", this)); + this->tgt_host = tgt_host; + this->tgt_username = tgt_username; + this->tgt_password = tgt_password; + this->tgt_port = tgt_port; + this->tgt_socket = tgt_socket; + this->server_name = server_name; + this->connect_retry_count = connect_retry_count; + this->connect_retry_interval = connect_retry_interval; + if ((error_num = spider_create_conn_thread(conn))) + DBUG_RETURN(error_num); + spider_bg_conn_simple_action(conn, SPIDER_SIMPLE_CONNECT, TRUE, NULL, + 0, NULL); + + if (stored_error_num) + { + my_message(stored_error_num, stored_error_msg, MYF(0)); + DBUG_RETURN(stored_error_num); + } + DBUG_RETURN(0); +} + +int spider_db_oracle::ping( +) { + sword res; + DBUG_ENTER("spider_db_oracle::ping"); + DBUG_PRINT("info",("spider this=%p", this)); + res = OCIPing(svchp, errhp, OCI_DEFAULT); + if (res != OCI_SUCCESS) + { + DBUG_PRINT("info",("spider ping error %d", res)); + DBUG_RETURN(ER_SPIDER_REMOTE_SERVER_GONE_AWAY_NUM); + } + DBUG_RETURN(0); +} + +void spider_db_oracle::bg_disconnect() +{ + DBUG_ENTER("spider_db_oracle::bg_disconnect"); + DBUG_PRINT("info",("spider this=%p", this)); + if (result) + { + delete result; + result = NULL; + } + if (txnhp) + { + DBUG_PRINT("info",("spider OCI free txnhp=%p", txnhp)); + OCIHandleFree(txnhp, OCI_HTYPE_TRANS); + txnhp = NULL; + } + if (stmtp) + { + DBUG_PRINT("info",("spider OCI free stmtp=%p", stmtp)); + OCIHandleFree(stmtp, OCI_HTYPE_STMT); + stmtp = NULL; + } + if (svchp && errhp && usrhp) + { + DBUG_PRINT("info",("spider OCISessionEnd")); + OCISessionEnd(svchp, errhp, usrhp, OCI_DEFAULT); + } + if (usrhp) + { + DBUG_PRINT("info",("spider OCI free usrhp=%p", usrhp)); + OCIHandleFree(usrhp, OCI_HTYPE_SESSION); + usrhp = NULL; + } + if (svchp) + { + DBUG_PRINT("info",("spider OCI free svchp=%p", svchp)); + OCIHandleFree(svchp, OCI_HTYPE_SVCCTX); + svchp = NULL; + } + if (srvhp) + { + DBUG_PRINT("info",("spider OCI free srvhp=%p", srvhp)); + OCIServerDetach(srvhp, errhp, OCI_DEFAULT); + OCIHandleFree(srvhp, OCI_HTYPE_SERVER); + srvhp = NULL; + } + if (errhp) + { + DBUG_PRINT("info",("spider OCI free errhp=%p", errhp)); + OCIHandleFree(errhp, OCI_HTYPE_ERROR); + errhp = NULL; + } + if (envhp) + { + DBUG_PRINT("info",("spider OCI free envhp=%p", envhp)); + OCIHandleFree(envhp, OCI_HTYPE_ENV); + envhp = NULL; + } + DBUG_VOID_RETURN; +} + +void spider_db_oracle::disconnect() +{ + DBUG_ENTER("spider_db_oracle::disconnect"); + DBUG_PRINT("info",("spider this=%p", this)); + if (!conn->bg_init) + DBUG_VOID_RETURN; + spider_bg_conn_simple_action(conn, SPIDER_SIMPLE_DISCONNECT, TRUE, NULL, + 0, NULL); + DBUG_VOID_RETURN; +} + +int spider_db_oracle::set_net_timeout() +{ + DBUG_ENTER("spider_db_oracle::set_net_timeout"); + DBUG_PRINT("info",("spider this=%p", this)); + /* TODO: develop later */ + DBUG_RETURN(0); +} + +int spider_db_oracle::exec_query( + const char *query, + uint length, + int quick_mode +) { + sword res; + int error_num; + DBUG_ENTER("spider_db_oracle::exec_query"); + DBUG_PRINT("info",("spider this=%p", this)); + if (spider_param_general_log()) + { + const char *tgt_str = conn->tgt_host; + uint32 tgt_len = conn->tgt_host_length; + spider_string tmp_query_str(length + conn->tgt_wrapper_length + + tgt_len + (SPIDER_SQL_SPACE_LEN * 2)); + tmp_query_str.init_calc_mem(232); + tmp_query_str.length(0); + tmp_query_str.q_append(conn->tgt_wrapper, conn->tgt_wrapper_length); + tmp_query_str.q_append(SPIDER_SQL_SPACE_STR, SPIDER_SQL_SPACE_LEN); + tmp_query_str.q_append(tgt_str, tgt_len); + tmp_query_str.q_append(SPIDER_SQL_SPACE_STR, SPIDER_SQL_SPACE_LEN); + tmp_query_str.q_append(query, length); + general_log_write(current_thd, COM_QUERY, tmp_query_str.ptr(), + tmp_query_str.length()); + } + stored_error_num = 0; + if (table_lock_mode && !conn->in_before_query) + { + DBUG_PRINT("info",("spider table_lock_mode=%d", table_lock_mode)); + table_lock_mode = 0; + if ((error_num = exec_query(exec_lock_sql->ptr(), exec_lock_sql->length(), + -1))) { + DBUG_RETURN(error_num); + } + } + + if (length) + { + if (result) + { + delete result; + result = NULL; + } + + if (!stmtp) + { + DBUG_PRINT("info",("spider create stmt")); + res = OCIHandleAlloc(envhp, (dvoid **) &stmtp, OCI_HTYPE_STMT, 0, 0); + if (res != OCI_SUCCESS) + { + DBUG_PRINT("info",("spider create stmt handler error")); + DBUG_RETURN(set_error(res, errhp, 0, NULL, NULL)); + } + } + + res = OCIStmtPrepare(stmtp, errhp, (OraText *) query, length, + OCI_NTV_SYNTAX, OCI_DEFAULT); + if (res != OCI_SUCCESS) + { + DBUG_PRINT("info",("spider stmt prepare error")); + DBUG_RETURN(set_error(res, errhp, 0, NULL, NULL)); + } + +/* + if ((result = new spider_db_oracle_result())) + { + result->db_conn = this; + result->stmtp = stmtp; + stmtp = NULL; + result->field_count = result->num_fields(); + result->row.field_count = result->field_count; + result->row.db_conn = this; + result->row.result = result; + if ((error_num = result->row.init())) + { + delete result; + result = NULL; + DBUG_RETURN(error_num); + } + } else { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } +*/ + + /* select statement check */ + ub4 iters; + if ( + !strncasecmp(query, "select ", sizeof("select ") - 1) || + !strncasecmp(query, "(select ", sizeof("(select ") - 1) + ) { + iters = 0; + } else { + iters = 1; + } + + if (quick_mode) + { + DBUG_PRINT("info",("spider use OCI_DEFAULT")); + res = OCIStmtExecute(svchp, stmtp, errhp, iters, 0, NULL, NULL, + OCI_DEFAULT); + } else { + DBUG_PRINT("info",("spider use OCI_STMT_SCROLLABLE_READONLY")); + res = OCIStmtExecute(svchp, stmtp, errhp, iters, 0, NULL, NULL, + OCI_STMT_SCROLLABLE_READONLY); +/* + if (res == OCI_SUCCESS) + { + DBUG_PRINT("info",("spider fetch last for row count")); + res = OCIStmtFetch2(result->stmtp, errhp, 1, OCI_FETCH_LAST, 0, + OCI_DEFAULT); + } + if (res == OCI_SUCCESS) + { + DBUG_PRINT("info",("spider fetch first for row count")); + res = OCIStmtFetch2(result->stmtp, errhp, 1, OCI_FETCH_FIRST, 0, + OCI_DEFAULT); + } +*/ + } + if (res == OCI_SUCCESS && iters) + { + DBUG_PRINT("info",("spider get row count")); + ub4 row_count; + res = OCIAttrGet(stmtp, OCI_HTYPE_STMT, &row_count, 0, + OCI_ATTR_ROW_COUNT, errhp); + update_rows = (uint) row_count; + DBUG_PRINT("info",("spider row_count=%u", update_rows)); + } + if (res != OCI_SUCCESS) + { + DBUG_PRINT("info",("spider stmt execute error")); + error_num = set_error(res, errhp, 0, NULL, NULL); + if (error_num == HA_ERR_END_OF_FILE) + DBUG_RETURN(0); + DBUG_RETURN(error_num); + } + + if ((result = new spider_db_oracle_result(this))) + { + result->db_conn = this; + result->stmtp = stmtp; + stmtp = NULL; + result->field_count = result->num_fields(); + result->row.field_count = result->field_count; + result->row.db_conn = this; + result->row.result = result; + result->row.access_charset = conn->access_charset; + result->access_charset = conn->access_charset; + if ( + (error_num = result->row.init()) || + (error_num = result->set_column_info()) + ) { + delete result; + result = NULL; + DBUG_RETURN(error_num); + } + result->row.define(); + } else { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + + if (!quick_mode && !iters) + { + if (res == OCI_SUCCESS) + { + DBUG_PRINT("info",("spider fetch last for row count")); + res = OCIStmtFetch2(result->stmtp, errhp, 1, OCI_FETCH_LAST, 0, + OCI_DEFAULT); + } + if (res == OCI_SUCCESS) + { + DBUG_PRINT("info",("spider fetch first for row count")); + res = OCIStmtFetch2(result->stmtp, errhp, 1, OCI_FETCH_FIRST, 0, + OCI_DEFAULT); + } + if (res != OCI_SUCCESS) + { + DBUG_PRINT("info",("spider stmt execute error")); + error_num = set_error(res, errhp, 0, NULL, NULL); + if (error_num == HA_ERR_END_OF_FILE) + DBUG_RETURN(0); + DBUG_RETURN(error_num); + } + result->fetched = TRUE; + } + } + DBUG_RETURN(0); +} + +int spider_db_oracle::get_errno() +{ + DBUG_ENTER("spider_db_oracle::get_errno"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_PRINT("info",("spider stored_error=%d", stored_error_num)); + DBUG_RETURN(stored_error_num); +} + +const char *spider_db_oracle::get_error() +{ + DBUG_ENTER("spider_db_oracle::get_error"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_PRINT("info",("spider error=%s", stored_error)); + DBUG_RETURN(stored_error); +} + +bool spider_db_oracle::is_server_gone_error( + int error_num +) { + DBUG_ENTER("spider_db_oracle::is_server_gone_error"); + DBUG_PRINT("info",("spider this=%p", this)); + /* TODO: develop later */ + DBUG_RETURN(FALSE); +} + +bool spider_db_oracle::is_dup_entry_error( + int error_num +) { + DBUG_ENTER("spider_db_oracle::is_dup_entry_error"); + DBUG_PRINT("info",("spider this=%p", this)); + if (error_num == HA_ERR_FOUND_DUPP_KEY) + DBUG_RETURN(TRUE); + DBUG_RETURN(FALSE); +} + +bool spider_db_oracle::is_xa_nota_error( + int error_num +) { + DBUG_ENTER("spider_db_oracle::is_xa_nota_error"); + DBUG_PRINT("info",("spider this=%p", this)); + /* TODO: develop later */ + DBUG_RETURN(FALSE); +} + +spider_db_result *spider_db_oracle::store_result( + spider_db_result_buffer **spider_res_buf, + st_spider_db_request_key *request_key, + int *error_num +) { + spider_db_oracle_result *tmp_result = result; + DBUG_ENTER("spider_db_oracle::store_result"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_ASSERT(!spider_res_buf); + if (stored_error_num == HA_ERR_END_OF_FILE) + { + *error_num = HA_ERR_END_OF_FILE; + DBUG_RETURN(NULL); + } + + *error_num = 0; + result = NULL; + DBUG_RETURN(tmp_result); +} + +spider_db_result *spider_db_oracle::use_result( + ha_spider *spider, + st_spider_db_request_key *request_key, + int *error_num +) { + spider_db_oracle_result *tmp_result = result; + DBUG_ENTER("spider_db_oracle::use_result"); + DBUG_PRINT("info",("spider this=%p", this)); + if (stored_error_num == HA_ERR_END_OF_FILE) + { + *error_num = HA_ERR_END_OF_FILE; + DBUG_RETURN(NULL); + } + + *error_num = 0; + result = NULL; + DBUG_RETURN(tmp_result); +} + +int spider_db_oracle::next_result() +{ + DBUG_ENTER("spider_db_oracle::next_result"); + DBUG_PRINT("info",("spider this=%p", this)); + /* TODO: develop later */ + DBUG_RETURN(-1); +} + +uint spider_db_oracle::affected_rows() +{ + DBUG_ENTER("spider_db_oracle::affected_rows"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(update_rows); +} + +uint spider_db_oracle::matched_rows() +{ + DBUG_ENTER("spider_db_oracle::matched_rows"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(0); +} + +bool spider_db_oracle::inserted_info( + spider_db_handler *handler, + ha_copy_info *copy_info +) { + DBUG_ENTER("spider_db_oracle::inserted_info"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(FALSE); +} + +ulonglong spider_db_oracle::last_insert_id() +{ + DBUG_ENTER("spider_db_oracle::last_insert_id"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(stored_last_insert_id); +} + +int spider_db_oracle::set_character_set( + const char *csname +) { + DBUG_ENTER("spider_db_oracle::set_character_set"); + DBUG_PRINT("info",("spider this=%p", this)); + /* TODO: develop later */ + DBUG_RETURN(0); +} + +int spider_db_oracle::select_db( + const char *dbname +) { + DBUG_ENTER("spider_db_oracle::select_db"); + DBUG_PRINT("info",("spider this=%p", this)); + /* nothing to do for oracle */ + DBUG_RETURN(0); +} + +int spider_db_oracle::consistent_snapshot( + int *need_mon +) { + DBUG_ENTER("spider_db_oracle::consistent_snapshot"); + DBUG_PRINT("info",("spider this=%p", this)); + /* nothing to do for oracle */ + DBUG_RETURN(0); +} + +bool spider_db_oracle::trx_start_in_bulk_sql() +{ + DBUG_ENTER("spider_db_oracle::trx_start_in_bulk_sql"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(FALSE); +} + +int spider_db_oracle::start_transaction( + int *need_mon +) { + DBUG_ENTER("spider_db_oracle::start_transaction"); + DBUG_PRINT("info",("spider this=%p", this)); + if (conn->in_before_query) + { + if (conn->queued_semi_trx_isolation) + { + if (conn->queued_semi_trx_isolation_val != conn->trx_isolation) + { + /* nothing to do */ + DBUG_RETURN(0); + } + } else if (conn->queued_trx_isolation) + { + if (conn->queued_trx_isolation_val != conn->trx_isolation) + { + /* nothing to do */ + DBUG_RETURN(0); + } + } + DBUG_RETURN(set_trx_isolation(conn->trx_isolation, need_mon)); + } + pthread_mutex_assert_owner(&conn->mta_conn_mutex); + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + if (spider_db_query( + conn, + SPIDER_SQL_START_TRANSACTION_STR, + SPIDER_SQL_START_TRANSACTION_LEN, + -1, + need_mon) + ) { + DBUG_RETURN(spider_db_errorno(conn)); + } + DBUG_RETURN(0); +} + +int spider_db_oracle::commit( + int *need_mon +) { + sword res; + DBUG_ENTER("spider_db_oracle::commit"); + DBUG_PRINT("info",("spider this=%p", this)); + if (conn->table_locked) + { + conn->table_locked = FALSE; + spider_current_trx->locked_connections--; + } + res = OCITransCommit(svchp, errhp, OCI_DEFAULT); + if (res != OCI_SUCCESS) + { + *need_mon = set_error(res, errhp, 0, NULL, NULL); + DBUG_RETURN(*need_mon); + } + DBUG_RETURN(0); +} + +int spider_db_oracle::rollback( + int *need_mon +) { + sword res; + DBUG_ENTER("spider_db_oracle::rollback"); + DBUG_PRINT("info",("spider this=%p", this)); + if (conn->table_locked) + { + conn->table_locked = FALSE; + spider_current_trx->locked_connections--; + } + if (svchp && errhp) + { + res = OCITransRollback(svchp, errhp, OCI_DEFAULT); + if (res != OCI_SUCCESS) + { + *need_mon = set_error(res, errhp, 0, NULL, NULL); + DBUG_RETURN(*need_mon); + } + } + DBUG_RETURN(0); +} + +bool spider_db_oracle::xa_start_in_bulk_sql() +{ + DBUG_ENTER("spider_db_oracle::xa_start_in_bulk_sql"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(FALSE); +} + +int spider_db_oracle::xa_start( + XID *xid, + int *need_mon +) { + sword res; + DBUG_ENTER("spider_db_oracle::xa_start"); + DBUG_PRINT("info",("spider this=%p", this)); + if (txnhp) + { + OCIHandleFree(txnhp, OCI_HTYPE_TRANS); + txnhp = NULL; + } + OCIHandleAlloc((dvoid *)envhp, (dvoid **)&txnhp, OCI_HTYPE_TRANS, 0, 0); + OCIAttrSet((dvoid *)svchp, OCI_HTYPE_SVCCTX, (dvoid *)txnhp, 0, + OCI_ATTR_TRANS, errhp); + OCIAttrSet((dvoid *)txnhp, OCI_HTYPE_TRANS, (dvoid *)xid, sizeof(XID), + OCI_ATTR_XID, errhp); + + res = OCITransStart(svchp, errhp, 31622400, OCI_TRANS_NEW); + if (res != OCI_SUCCESS) + { + *need_mon = set_error(res, errhp, 0, NULL, NULL); + DBUG_RETURN(*need_mon); + } + DBUG_RETURN(0); +} + +int spider_db_oracle::xa_end( + XID *xid, + int *need_mon +) { + DBUG_ENTER("spider_db_oracle::xa_end"); + DBUG_PRINT("info",("spider this=%p", this)); + /* nothing to do for oracle */ + DBUG_RETURN(0); +} + +int spider_db_oracle::xa_prepare( + XID *xid, + int *need_mon +) { + sword res; + DBUG_ENTER("spider_db_oracle::xa_prepare"); + DBUG_PRINT("info",("spider this=%p", this)); + res = OCITransPrepare(svchp, errhp, OCI_DEFAULT); + if (res != OCI_SUCCESS) + { + *need_mon = set_error(res, errhp, 0, NULL, NULL); + DBUG_RETURN(*need_mon); + } + DBUG_RETURN(0); +} + +int spider_db_oracle::xa_commit( + XID *xid, + int *need_mon +) { + sword res; + DBUG_ENTER("spider_db_oracle::xa_commit"); + DBUG_PRINT("info",("spider this=%p", this)); + if (conn->table_locked) + { + conn->table_locked = FALSE; + spider_current_trx->locked_connections--; + } + res = OCITransCommit(svchp, errhp, OCI_TRANS_TWOPHASE); + if (res != OCI_SUCCESS) + { + *need_mon = set_error(res, errhp, 0, NULL, NULL); + if (txnhp) + { + OCIHandleFree(txnhp, OCI_HTYPE_TRANS); + txnhp = NULL; + } + DBUG_RETURN(*need_mon); + } + if (txnhp) + { + OCIHandleFree(txnhp, OCI_HTYPE_TRANS); + txnhp = NULL; + } + DBUG_RETURN(0); +} + +int spider_db_oracle::xa_rollback( + XID *xid, + int *need_mon +) { + sword res; + DBUG_ENTER("spider_db_oracle::xa_rollback"); + DBUG_PRINT("info",("spider this=%p", this)); + if (svchp && errhp) + { + res = OCITransRollback(svchp, errhp, OCI_DEFAULT); + if (res != OCI_SUCCESS) + { + *need_mon = set_error(res, errhp, 0, NULL, NULL); + if (txnhp) + { + OCIHandleFree(txnhp, OCI_HTYPE_TRANS); + txnhp = NULL; + } + DBUG_RETURN(*need_mon); + } + } + if (txnhp) + { + OCIHandleFree(txnhp, OCI_HTYPE_TRANS); + txnhp = NULL; + } + DBUG_RETURN(0); +} + +bool spider_db_oracle::set_trx_isolation_in_bulk_sql() +{ + DBUG_ENTER("spider_db_oracle::set_trx_isolation_in_bulk_sql"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(FALSE); +} + +int spider_db_oracle::set_trx_isolation( + int trx_isolation, + int *need_mon +) { + DBUG_ENTER("spider_db_oracle::set_trx_isolation"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (trx_isolation) + { + case ISO_READ_UNCOMMITTED: + case ISO_READ_COMMITTED: + if (conn->in_before_query) + { + DBUG_RETURN(exec_query(SPIDER_SQL_ISO_READ_COMMITTED_STR, + SPIDER_SQL_ISO_READ_COMMITTED_LEN, -1)); + } + pthread_mutex_assert_not_owner(&conn->mta_conn_mutex); + pthread_mutex_lock(&conn->mta_conn_mutex); + SPIDER_SET_FILE_POS(&conn->mta_conn_mutex_file_pos); + conn->need_mon = need_mon; + DBUG_ASSERT(!conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(!conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = TRUE; + conn->mta_conn_mutex_unlock_later = TRUE; + if (spider_db_query( + conn, + SPIDER_SQL_ISO_READ_COMMITTED_STR, + SPIDER_SQL_ISO_READ_COMMITTED_LEN, + -1, + need_mon) + ) { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + DBUG_RETURN(spider_db_errorno(conn)); + } + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + break; + case ISO_REPEATABLE_READ: + case ISO_SERIALIZABLE: + if (conn->in_before_query) + { + DBUG_RETURN(exec_query(SPIDER_SQL_ISO_SERIALIZABLE_STR, + SPIDER_SQL_ISO_SERIALIZABLE_LEN, -1)); + } + pthread_mutex_assert_not_owner(&conn->mta_conn_mutex); + pthread_mutex_lock(&conn->mta_conn_mutex); + SPIDER_SET_FILE_POS(&conn->mta_conn_mutex_file_pos); + conn->need_mon = need_mon; + DBUG_ASSERT(!conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(!conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = TRUE; + conn->mta_conn_mutex_unlock_later = TRUE; + if (spider_db_query( + conn, + SPIDER_SQL_ISO_SERIALIZABLE_STR, + SPIDER_SQL_ISO_SERIALIZABLE_LEN, + -1, + need_mon) + ) { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + DBUG_RETURN(spider_db_errorno(conn)); + } + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + break; + default: + DBUG_RETURN(HA_ERR_UNSUPPORTED); + } + DBUG_RETURN(0); +} + +bool spider_db_oracle::set_autocommit_in_bulk_sql() +{ + DBUG_ENTER("spider_db_oracle::set_autocommit_in_bulk_sql"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(FALSE); +} + +int spider_db_oracle::set_autocommit( + bool autocommit, + int *need_mon +) { + DBUG_ENTER("spider_db_oracle::set_autocommit"); + DBUG_PRINT("info",("spider this=%p", this)); + if (autocommit) + { + if (conn->in_before_query) + { + DBUG_RETURN(exec_query(SPIDER_SQL_AUTOCOMMIT_ON_STR, + SPIDER_SQL_AUTOCOMMIT_ON_LEN, -1)); + } + pthread_mutex_assert_not_owner(&conn->mta_conn_mutex); + pthread_mutex_lock(&conn->mta_conn_mutex); + SPIDER_SET_FILE_POS(&conn->mta_conn_mutex_file_pos); + conn->need_mon = need_mon; + DBUG_ASSERT(!conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(!conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = TRUE; + conn->mta_conn_mutex_unlock_later = TRUE; + if (spider_db_query( + conn, + SPIDER_SQL_AUTOCOMMIT_ON_STR, + SPIDER_SQL_AUTOCOMMIT_ON_LEN, + -1, + need_mon) + ) { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + DBUG_RETURN(spider_db_errorno(conn)); + } + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + } else { + if (conn->in_before_query) + { + DBUG_RETURN(exec_query(SPIDER_SQL_AUTOCOMMIT_OFF_STR, + SPIDER_SQL_AUTOCOMMIT_OFF_LEN, -1)); + } + pthread_mutex_assert_not_owner(&conn->mta_conn_mutex); + pthread_mutex_lock(&conn->mta_conn_mutex); + SPIDER_SET_FILE_POS(&conn->mta_conn_mutex_file_pos); + conn->need_mon = need_mon; + DBUG_ASSERT(!conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(!conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = TRUE; + conn->mta_conn_mutex_unlock_later = TRUE; + if (spider_db_query( + conn, + SPIDER_SQL_AUTOCOMMIT_OFF_STR, + SPIDER_SQL_AUTOCOMMIT_OFF_LEN, + -1, + need_mon) + ) { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + DBUG_RETURN(spider_db_errorno(conn)); + } + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + } + DBUG_RETURN(0); +} + +bool spider_db_oracle::set_sql_log_off_in_bulk_sql() +{ + DBUG_ENTER("spider_db_oracle::set_sql_log_off_in_bulk_sql"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(FALSE); +} + +int spider_db_oracle::set_sql_log_off( + bool sql_log_off, + int *need_mon +) { + DBUG_ENTER("spider_db_oracle::set_sql_log_off"); + DBUG_PRINT("info",("spider this=%p", this)); + /* nothing to do */ + DBUG_RETURN(0); +} + +bool spider_db_oracle::set_wait_timeout_in_bulk_sql() +{ + DBUG_ENTER("spider_db_oracle::set_wait_timeout_in_bulk_sql"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(FALSE); +} + +int spider_db_oracle::set_wait_timeout( + int wait_timeout, + int *need_mon +) { + DBUG_ENTER("spider_db_oracle::set_wait_timeout"); + DBUG_PRINT("info",("spider this=%p", this)); + /* nothing to do */ + DBUG_RETURN(0); +} + +bool spider_db_oracle::set_sql_mode_in_bulk_sql() +{ + DBUG_ENTER("spider_db_oracle::set_sql_mode_in_bulk_sql"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(FALSE); +} + +int spider_db_oracle::set_sql_mode( + sql_mode_t sql_mode, + int *need_mon +) { + DBUG_ENTER("spider_db_oracle::set_sql_mode"); + DBUG_PRINT("info",("spider this=%p", this)); + /* nothing to do */ + DBUG_RETURN(0); +} + +bool spider_db_oracle::set_time_zone_in_bulk_sql() +{ + DBUG_ENTER("spider_db_oracle::set_time_zone_in_bulk_sql"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(FALSE); +} + +int spider_db_oracle::set_time_zone( + Time_zone *time_zone, + int *need_mon +) { + DBUG_ENTER("spider_db_oracle::set_time_zone"); + DBUG_PRINT("info",("spider this=%p", this)); + /* nothing to do */ + DBUG_RETURN(0); +} + +int spider_db_oracle::show_master_status( + SPIDER_TRX *trx, + SPIDER_SHARE *share, + int all_link_idx, + int *need_mon, + TABLE *table, + spider_string *str, + int mode, + SPIDER_DB_RESULT **res1, + SPIDER_DB_RESULT **res2 +) { + DBUG_ENTER("spider_db_oracle::show_master_status"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(0); +} + +#if defined(HS_HAS_SQLCOM) && defined(HAVE_HANDLERSOCKET) +int spider_db_oracle::append_sql( + char *sql, + ulong sql_length, + st_spider_db_request_key *request_key +) { + DBUG_ENTER("spider_db_oracle::append_sql"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_ASSERT(0); + DBUG_RETURN(0); +} + +int spider_db_oracle::append_open_handler( + uint handler_id, + const char *db_name, + const char *table_name, + const char *index_name, + const char *sql, + st_spider_db_request_key *request_key +) { + DBUG_ENTER("spider_db_oracle::append_sql"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_ASSERT(0); + DBUG_RETURN(0); +} + +int spider_db_oracle::append_select( + uint handler_id, + spider_string *sql, + SPIDER_DB_HS_STRING_REF_BUFFER *keys, + int limit, + int skip, + st_spider_db_request_key *request_key +) { + DBUG_ENTER("spider_db_oracle::append_select"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_ASSERT(0); + DBUG_RETURN(0); +} + +int spider_db_oracle::append_insert( + uint handler_id, + SPIDER_DB_HS_STRING_REF_BUFFER *upds, + st_spider_db_request_key *request_key +) { + DBUG_ENTER("spider_db_oracle::append_insert"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_ASSERT(0); + DBUG_RETURN(0); +} + +int spider_db_oracle::append_update( + uint handler_id, + spider_string *sql, + SPIDER_DB_HS_STRING_REF_BUFFER *keys, + SPIDER_DB_HS_STRING_REF_BUFFER *upds, + int limit, + int skip, + bool increment, + bool decrement, + st_spider_db_request_key *request_key +) { + DBUG_ENTER("spider_db_oracle::append_update"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_ASSERT(0); + DBUG_RETURN(0); +} + +int spider_db_oracle::append_delete( + uint handler_id, + spider_string *sql, + SPIDER_DB_HS_STRING_REF_BUFFER *keys, + int limit, + int skip, + st_spider_db_request_key *request_key +) { + DBUG_ENTER("spider_db_oracle::append_delete"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_ASSERT(0); + DBUG_RETURN(0); +} + +void spider_db_oracle::reset_request_queue() +{ + DBUG_ENTER("spider_db_oracle::reset_request_queue"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_ASSERT(0); + DBUG_VOID_RETURN; +} +#endif + +size_t spider_db_oracle::escape_string( + char *to, + const char *from, + size_t from_length +) { + DBUG_ENTER("spider_db_oracle::escape_string"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(util.escape_string(to, from, from_length, conn->access_charset)); +} + +bool spider_db_oracle::have_lock_table_list() +{ + DBUG_ENTER("spider_db_oracle::have_lock_table_list"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(lock_table_hash.records); +} + +int spider_db_oracle::append_lock_tables( + spider_string *str +) { + int error_num; + ha_spider *tmp_spider; + int lock_type; + uint conn_link_idx; + int tmp_link_idx; + SPIDER_LINK_FOR_HASH *tmp_link_for_hash; + const char *db_name; + uint db_name_length; + CHARSET_INFO *db_name_charset; + const char *table_name; + uint table_name_length; + CHARSET_INFO *table_name_charset; + DBUG_ENTER("spider_db_oracle::lock_tables"); + DBUG_PRINT("info",("spider this=%p", this)); + if ((tmp_link_for_hash = + (SPIDER_LINK_FOR_HASH *) my_hash_element(&lock_table_hash, 0))) + { + if ((error_num = spider_db_oracle_utility.append_lock_table_head(str))) + { + DBUG_RETURN(error_num); + } + + tmp_spider = tmp_link_for_hash->spider; + tmp_link_idx = tmp_link_for_hash->link_idx; + switch (tmp_spider->wide_handler->lock_type) + { + case TL_READ: + lock_type = SPIDER_DB_TABLE_LOCK_READ_LOCAL; + break; + case TL_READ_NO_INSERT: + lock_type = SPIDER_DB_TABLE_LOCK_READ; + break; + case TL_WRITE_LOW_PRIORITY: + lock_type = SPIDER_DB_TABLE_LOCK_LOW_PRIORITY_WRITE; + break; + case TL_WRITE: + lock_type = SPIDER_DB_TABLE_LOCK_WRITE; + break; + default: + // no lock + DBUG_PRINT("info",("spider lock_type=%d", + tmp_spider->wide_handler->lock_type)); + DBUG_RETURN(0); + } + conn_link_idx = tmp_spider->conn_link_idx[tmp_link_idx]; + spider_oracle_share *db_share = (spider_oracle_share *) + tmp_spider->share->dbton_share[conn->dbton_id]; + if (&db_share->db_names_str[conn_link_idx]) + { + db_name = db_share->db_names_str[conn_link_idx].ptr(); + db_name_length = db_share->db_names_str[conn_link_idx].length(); + db_name_charset = tmp_spider->share->access_charset; + } else { + db_name = tmp_spider->share->tgt_dbs[conn_link_idx]; + db_name_length = tmp_spider->share->tgt_dbs_lengths[conn_link_idx]; + db_name_charset = system_charset_info; + } + if (&db_share->table_names_str[conn_link_idx]) + { + table_name = db_share->table_names_str[conn_link_idx].ptr(); + table_name_length = db_share->table_names_str[conn_link_idx].length(); + table_name_charset = tmp_spider->share->access_charset; + } else { + table_name = tmp_spider->share->tgt_table_names[conn_link_idx]; + table_name_length = + tmp_spider->share->tgt_table_names_lengths[conn_link_idx]; + table_name_charset = system_charset_info; + } + if ((error_num = spider_db_oracle_utility. + append_lock_table_body( + str, + db_name, + db_name_length, + db_name_charset, + table_name, + table_name_length, + table_name_charset, + lock_type + ) + )) { + my_hash_reset(&lock_table_hash); + DBUG_RETURN(error_num); + } +#ifdef HASH_UPDATE_WITH_HASH_VALUE + my_hash_delete_with_hash_value(&lock_table_hash, + tmp_link_for_hash->db_table_str_hash_value, (uchar*) tmp_link_for_hash); +#else + my_hash_delete(&lock_table_hash, (uchar*) tmp_link_for_hash); +#endif + + if ((error_num = spider_db_oracle_utility.append_lock_table_tail(str))) + { + DBUG_RETURN(error_num); + } + } + DBUG_RETURN(0); +} + +int spider_db_oracle::append_unlock_tables( + spider_string *str +) { + int error_num; + DBUG_ENTER("spider_db_oracle::append_unlock_tables"); + DBUG_PRINT("info",("spider this=%p", this)); + if ((error_num = spider_db_oracle_utility.append_unlock_table(str))) + { + DBUG_RETURN(error_num); + } + DBUG_RETURN(0); +} + +uint spider_db_oracle::get_lock_table_hash_count() +{ + DBUG_ENTER("spider_db_oracle::get_lock_table_hash_count"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(lock_table_hash.records); +} + +void spider_db_oracle::reset_lock_table_hash() +{ + DBUG_ENTER("spider_db_oracle::reset_lock_table_hash"); + DBUG_PRINT("info",("spider this=%p", this)); + my_hash_reset(&lock_table_hash); + DBUG_VOID_RETURN; +} + +uint spider_db_oracle::get_opened_handler_count() +{ + DBUG_ENTER("spider_db_oracle::get_opened_handler_count"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(handler_open_array.elements); +} + +void spider_db_oracle::reset_opened_handler() +{ + ha_spider *tmp_spider; + int tmp_link_idx; + SPIDER_LINK_FOR_HASH **tmp_link_for_hash; + DBUG_ENTER("spider_db_oracle::reset_opened_handler"); + DBUG_PRINT("info",("spider this=%p", this)); + while ((tmp_link_for_hash = + (SPIDER_LINK_FOR_HASH **) pop_dynamic(&handler_open_array))) + { + tmp_spider = (*tmp_link_for_hash)->spider; + tmp_link_idx = (*tmp_link_for_hash)->link_idx; + tmp_spider->clear_handler_opened(tmp_link_idx, conn->conn_kind); + } + DBUG_VOID_RETURN; +} + +void spider_db_oracle::set_dup_key_idx( + ha_spider *spider, + int link_idx +) { + TABLE *table = spider->get_table(); + uint roop_count, pk_idx = table->s->primary_key; + int key_name_length; + int max_length = 0; + char *key_name, *tmp_pos; + char buf[SPIDER_ORACLE_ERR_BUF_LEN]; + DBUG_ENTER("spider_db_oracle::set_dup_key_idx"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_PRINT("info",("spider error_str=%s", stored_error_msg)); + memcpy(buf, spider->share->tgt_dbs[link_idx], + spider->share->tgt_dbs_lengths[link_idx]); + tmp_pos = buf + spider->share->tgt_dbs_lengths[link_idx]; + *tmp_pos = '.'; + ++tmp_pos; + for (roop_count = 0; roop_count < table->s->keys; roop_count++) + { + if (roop_count == pk_idx) + { + DBUG_PRINT("info",("spider pk_idx=%u", roop_count)); + int all_link_idx = spider->conn_link_idx[link_idx]; + key_name = spider->share->tgt_pk_names[all_link_idx]; + key_name_length = spider->share->tgt_pk_names_lengths[all_link_idx]; + } else { +#ifdef SPIDER_use_LEX_CSTRING_for_KEY_Field_name + key_name = (char *) table->s->key_info[roop_count].name.str; + key_name_length = table->s->key_info[roop_count].name.length; +#else + key_name = table->s->key_info[roop_count].name; + key_name_length = strlen(key_name); +#endif + } + memcpy(tmp_pos, key_name, key_name_length + 1); + DBUG_PRINT("info",("spider key_name=%s", key_name)); + DBUG_PRINT("info",("spider full key name=%s", buf)); + if ( + max_length < key_name_length && + strcasestr(stored_error_msg, buf) + ) { + max_length = key_name_length; + spider->dup_key_idx = roop_count; + } + } + if (max_length == 0) + spider->dup_key_idx = (uint) -1; + DBUG_PRINT("info",("spider dup_key_idx=%d", spider->dup_key_idx)); + DBUG_VOID_RETURN; +} + +bool spider_db_oracle::cmp_request_key_to_snd( + st_spider_db_request_key *request_key +) { + DBUG_ENTER("spider_db_oracle::cmp_request_key_to_snd"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(TRUE); +} + +int spider_db_oracle::set_error( + sword res, + dvoid *hndlp, + int error_num, + const char *error1, + const char *error2 +) { + DBUG_ENTER("spider_db_oracle::set_error"); + DBUG_PRINT("info",("spider this=%p", this)); + stored_error_num = + spider_db_oracle_get_error(res, hndlp, error_num, error1, error2, + conn->access_charset, stored_error_msg); + if (stored_error_num) + stored_error = ER_SPIDER_ORACLE_ERR; + else + stored_error = ""; + DBUG_RETURN(stored_error_num); +} + +spider_db_oracle_util::spider_db_oracle_util() : spider_db_util() +{ + DBUG_ENTER("spider_db_oracle_util::spider_db_oracle_util"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_VOID_RETURN; +} + +spider_db_oracle_util::~spider_db_oracle_util() +{ + DBUG_ENTER("spider_db_oracle_util::~spider_db_oracle_util"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_VOID_RETURN; +} + +int spider_db_oracle_util::append_name( + spider_string *str, + const char *name, + uint name_length +) { + DBUG_ENTER("spider_db_oracle_util::append_name"); + str->q_append(SPIDER_SQL_NAME_QUOTE_STR, SPIDER_SQL_NAME_QUOTE_LEN); + str->q_append(name, name_length); + str->q_append(SPIDER_SQL_NAME_QUOTE_STR, SPIDER_SQL_NAME_QUOTE_LEN); + DBUG_RETURN(0); +} + +int spider_db_oracle_util::append_name_with_charset( + spider_string *str, + const char *name, + uint name_length, + CHARSET_INFO *name_charset +) { + DBUG_ENTER("spider_db_oracle_util::append_name_with_charset"); + if (str->reserve(SPIDER_SQL_NAME_QUOTE_LEN * 2 + name_length * 2)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_NAME_QUOTE_STR, SPIDER_SQL_NAME_QUOTE_LEN); + str->append(name, name_length, name_charset); + if (str->reserve(SPIDER_SQL_NAME_QUOTE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_NAME_QUOTE_STR, SPIDER_SQL_NAME_QUOTE_LEN); + DBUG_RETURN(0); +} + +int spider_db_oracle_util::append_escaped_name( + spider_string *str, + const char *name, + uint name_length +) { + int error_num; + DBUG_ENTER("spider_db_oracle_util::append_name"); + if (str->reserve(SPIDER_SQL_NAME_QUOTE_LEN * 2 + name_length * 2)) + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + str->q_append(SPIDER_SQL_NAME_QUOTE_STR, SPIDER_SQL_NAME_QUOTE_LEN); + if ((error_num = spider_db_append_name_with_quote_str_internal( + str, name, name_length, dbton_id))) + { + DBUG_RETURN(error_num); + } + if (str->reserve(SPIDER_SQL_NAME_QUOTE_LEN)) + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + str->q_append(SPIDER_SQL_NAME_QUOTE_STR, SPIDER_SQL_NAME_QUOTE_LEN); + DBUG_RETURN(0); +} + +int spider_db_oracle_util::append_escaped_name_with_charset( + spider_string *str, + const char *name, + uint name_length, + CHARSET_INFO *name_charset +) { + int error_num; + DBUG_ENTER("spider_db_oracle_util::append_name_with_charset"); + if (str->reserve(SPIDER_SQL_NAME_QUOTE_LEN * 2 + name_length * 2)) + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + str->q_append(SPIDER_SQL_NAME_QUOTE_STR, SPIDER_SQL_NAME_QUOTE_LEN); + if ((error_num = spider_db_append_name_with_quote_str_internal( + str, name, name_length, name_charset, dbton_id))) + { + DBUG_RETURN(error_num); + } + if (str->reserve(SPIDER_SQL_NAME_QUOTE_LEN)) + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + str->q_append(SPIDER_SQL_NAME_QUOTE_STR, SPIDER_SQL_NAME_QUOTE_LEN); + DBUG_RETURN(0); +} + +bool spider_db_oracle_util::is_name_quote( + const char head_code +) { + DBUG_ENTER("spider_db_oracle_util::is_name_quote"); + DBUG_RETURN(head_code == *name_quote_str); +} + +int spider_db_oracle_util::append_escaped_name_quote( + spider_string *str +) { + DBUG_ENTER("spider_db_oracle_util::append_escaped_name_quote"); + if (str->reserve(SPIDER_SQL_NAME_QUOTE_LEN * 2)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_NAME_QUOTE_STR, SPIDER_SQL_NAME_QUOTE_LEN); + str->q_append(SPIDER_SQL_NAME_QUOTE_STR, SPIDER_SQL_NAME_QUOTE_LEN); + DBUG_RETURN(0); +} + +int spider_db_oracle_util::append_column_value( + ha_spider *spider, + spider_string *str, + Field *field, + const uchar *new_ptr, + CHARSET_INFO *access_charset +) { + char buf[MAX_FIELD_WIDTH]; + spider_string tmp_str(buf, MAX_FIELD_WIDTH, &my_charset_bin); + String *ptr; + uint length; + Time_zone *saved_time_zone = thd->variables.time_zone; + DBUG_ENTER("spider_db_oracle_util::append_column_value"); + tmp_str.init_calc_mem(181); + + thd->variables.time_zone = UTC; + + if (new_ptr) + { + if ( + field->type() == MYSQL_TYPE_BLOB || + field->real_type() == MYSQL_TYPE_VARCHAR + ) { + length = uint2korr(new_ptr); + tmp_str.set_quick((char *) new_ptr + HA_KEY_BLOB_LENGTH, length, + &my_charset_bin); + ptr = tmp_str.get_str(); + } else if (field->type() == MYSQL_TYPE_GEOMETRY) + { +/* + uint mlength = SIZEOF_STORED_DOUBLE, lcnt; + uchar *dest = (uchar *) buf; + const uchar *source; + for (lcnt = 0; lcnt < 4; lcnt++) + { + mlength = SIZEOF_STORED_DOUBLE; + source = new_ptr + mlength + SIZEOF_STORED_DOUBLE * lcnt; + while (mlength--) + *dest++ = *--source; + } + tmp_str.length(SIZEOF_STORED_DOUBLE * lcnt); +*/ + double xmin, xmax, ymin, ymax; +/* + float8store(buf,xmin); + float8store(buf+8,xmax); + float8store(buf+16,ymin); + float8store(buf+24,ymax); + memcpy(&xmin,new_ptr,sizeof(xmin)); + memcpy(&xmax,new_ptr + 8,sizeof(xmax)); + memcpy(&ymin,new_ptr + 16,sizeof(ymin)); + memcpy(&ymax,new_ptr + 24,sizeof(ymax)); + float8get(xmin, buf); + float8get(xmax, buf + 8); + float8get(ymin, buf + 16); + float8get(ymax, buf + 24); + DBUG_PRINT("info", ("spider geo is %f %f %f %f", + xmin, xmax, ymin, ymax)); + DBUG_PRINT("info", ("spider geo is %.14g %.14g %.14g %.14g", + xmin, xmax, ymin, ymax)); +*/ + float8get(xmin, new_ptr); + float8get(xmax, new_ptr + 8); + float8get(ymin, new_ptr + 16); + float8get(ymax, new_ptr + 24); + DBUG_PRINT("info", ("spider geo is %f %f %f %f", + xmin, xmax, ymin, ymax)); +/* + float8get(xmin, new_ptr + SIZEOF_STORED_DOUBLE * 4); + float8get(xmax, new_ptr + SIZEOF_STORED_DOUBLE * 5); + float8get(ymin, new_ptr + SIZEOF_STORED_DOUBLE * 6); + float8get(ymax, new_ptr + SIZEOF_STORED_DOUBLE * 7); + DBUG_PRINT("info", ("spider geo is %f %f %f %f", + xmin, xmax, ymin, ymax)); + float8get(xmin, new_ptr + SIZEOF_STORED_DOUBLE * 8); + float8get(xmax, new_ptr + SIZEOF_STORED_DOUBLE * 9); + float8get(ymin, new_ptr + SIZEOF_STORED_DOUBLE * 10); + float8get(ymax, new_ptr + SIZEOF_STORED_DOUBLE * 11); + DBUG_PRINT("info", ("spider geo is %f %f %f %f", + xmin, xmax, ymin, ymax)); + float8get(xmin, new_ptr + SIZEOF_STORED_DOUBLE * 12); + float8get(xmax, new_ptr + SIZEOF_STORED_DOUBLE * 13); + float8get(ymin, new_ptr + SIZEOF_STORED_DOUBLE * 14); + float8get(ymax, new_ptr + SIZEOF_STORED_DOUBLE * 15); + DBUG_PRINT("info", ("spider geo is %f %f %f %f", + xmin, xmax, ymin, ymax)); +*/ +/* + tmp_str.set_quick((char *) new_ptr, SIZEOF_STORED_DOUBLE * 4, + &my_charset_bin); +*/ + tmp_str.length(0); + tmp_str.q_append((char *) SPIDER_SQL_LINESTRING_HEAD_STR, + SPIDER_SQL_LINESTRING_HEAD_LEN); + tmp_str.q_append((char *) new_ptr, SIZEOF_STORED_DOUBLE); + tmp_str.q_append((char *) new_ptr + SIZEOF_STORED_DOUBLE * 2, + SIZEOF_STORED_DOUBLE); + tmp_str.q_append((char *) new_ptr + SIZEOF_STORED_DOUBLE, + SIZEOF_STORED_DOUBLE); + tmp_str.q_append((char *) new_ptr + SIZEOF_STORED_DOUBLE * 3, + SIZEOF_STORED_DOUBLE); + ptr = tmp_str.get_str(); + } else { + ptr = field->val_str(tmp_str.get_str(), new_ptr); + tmp_str.mem_calc(); + } + } else { + ptr = field->val_str(tmp_str.get_str()); + tmp_str.mem_calc(); + } + + thd->variables.time_zone = saved_time_zone; + + DBUG_PRINT("info", ("spider field->type() is %d", field->type())); + DBUG_PRINT("info", ("spider ptr->length() is %d", ptr->length())); +/* + if ( + field->type() == MYSQL_TYPE_BIT || + (field->type() >= MYSQL_TYPE_TINY_BLOB && + field->type() <= MYSQL_TYPE_BLOB) + ) { + uchar *hex_ptr = (uchar *) ptr->ptr(), *end_ptr; + char *str_ptr; + DBUG_PRINT("info", ("spider HEX")); + if (str->reserve(SPIDER_SQL_HEX_LEN + ptr->length() * 2)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_HEX_STR, SPIDER_SQL_HEX_LEN); + str_ptr = (char *) str->ptr() + str->length(); + for (end_ptr = hex_ptr + ptr->length(); hex_ptr < end_ptr; hex_ptr++) + { + *str_ptr++ = spider_dig_upper[(*hex_ptr) >> 4]; + *str_ptr++ = spider_dig_upper[(*hex_ptr) & 0x0F]; + } + str->length(str->length() + ptr->length() * 2); + } else +*/ + if (field->result_type() == STRING_RESULT) + { + DBUG_PRINT("info", ("spider STRING_RESULT")); + if (str->reserve(SPIDER_SQL_VALUE_QUOTE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_VALUE_QUOTE_STR, SPIDER_SQL_VALUE_QUOTE_LEN); + if ( + field->type() == MYSQL_TYPE_VARCHAR || + (field->type() >= MYSQL_TYPE_ENUM && + field->type() <= MYSQL_TYPE_GEOMETRY) + ) { + DBUG_PRINT("info", ("spider append_escaped")); + char buf2[MAX_FIELD_WIDTH]; + spider_string tmp_str2(buf2, MAX_FIELD_WIDTH, access_charset); + tmp_str2.init_calc_mem(182); + tmp_str2.length(0); + if ( + tmp_str2.append(ptr->ptr(), ptr->length(), field->charset()) || + str->reserve(tmp_str2.length() * 2) || + append_escaped_util(str, tmp_str2.get_str()) + ) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } else if (str->append(*ptr)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + if (str->reserve(SPIDER_SQL_VALUE_QUOTE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_VALUE_QUOTE_STR, SPIDER_SQL_VALUE_QUOTE_LEN); + } else if (field->str_needs_quotes()) + { + if (str->reserve(SPIDER_SQL_VALUE_QUOTE_LEN * 2 + ptr->length() * 2 + 2)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_VALUE_QUOTE_STR, SPIDER_SQL_VALUE_QUOTE_LEN); + append_escaped_util(str, ptr); + str->q_append(SPIDER_SQL_VALUE_QUOTE_STR, SPIDER_SQL_VALUE_QUOTE_LEN); + } else if (str->append(*ptr)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + DBUG_RETURN(0); +} + +int spider_db_oracle_util::append_from_with_alias( + spider_string *str, + const char **table_names, + uint *table_name_lengths, + const char **table_aliases, + uint *table_alias_lengths, + uint table_count, + int *table_name_pos, + bool over_write +) { + uint roop_count, length = 0; + DBUG_ENTER("spider_db_oracle_util::append_from_with_alias"); + DBUG_PRINT("info",("spider this=%p", this)); + if (!over_write) + { + for (roop_count = 0; roop_count < table_count; roop_count++) + length += table_name_lengths[roop_count] + SPIDER_SQL_SPACE_LEN + + table_alias_lengths[roop_count] + SPIDER_SQL_COMMA_LEN; + if (str->reserve(SPIDER_SQL_FROM_LEN + length)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_FROM_STR, SPIDER_SQL_FROM_LEN); + *table_name_pos = str->length(); + } + for (roop_count = 0; roop_count < table_count; roop_count++) + { + str->q_append(table_names[roop_count], table_name_lengths[roop_count]); + str->q_append(SPIDER_SQL_SPACE_STR, SPIDER_SQL_SPACE_LEN); + str->q_append(table_aliases[roop_count], table_alias_lengths[roop_count]); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + DBUG_RETURN(0); +} + +int spider_db_oracle_util::append_trx_isolation( + spider_string *str, + int trx_isolation +) { + DBUG_ENTER("spider_db_oracle_util::append_trx_isolation"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(SPIDER_SQL_SEMICOLON_LEN + + SPIDER_SQL_ISO_READ_COMMITTED_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + if (str->length()) + { + str->q_append(SPIDER_SQL_SEMICOLON_STR, SPIDER_SQL_SEMICOLON_LEN); + } + switch (trx_isolation) + { + case ISO_READ_UNCOMMITTED: + case ISO_READ_COMMITTED: + str->q_append(SPIDER_SQL_ISO_READ_COMMITTED_STR, + SPIDER_SQL_ISO_READ_COMMITTED_LEN); + break; + case ISO_REPEATABLE_READ: + case ISO_SERIALIZABLE: + str->q_append(SPIDER_SQL_ISO_SERIALIZABLE_STR, + SPIDER_SQL_ISO_SERIALIZABLE_LEN); + break; + default: + DBUG_RETURN(HA_ERR_UNSUPPORTED); + } + DBUG_RETURN(0); +} + +int spider_db_oracle_util::append_autocommit( + spider_string *str, + bool autocommit +) { + DBUG_ENTER("spider_db_oracle_util::append_autocommit"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(SPIDER_SQL_SEMICOLON_LEN + SPIDER_SQL_AUTOCOMMIT_OFF_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + if (str->length()) + { + str->q_append(SPIDER_SQL_SEMICOLON_STR, SPIDER_SQL_SEMICOLON_LEN); + } + if (autocommit) + { + str->q_append(SPIDER_SQL_AUTOCOMMIT_ON_STR, + SPIDER_SQL_AUTOCOMMIT_ON_LEN); + } else { + str->q_append(SPIDER_SQL_AUTOCOMMIT_OFF_STR, + SPIDER_SQL_AUTOCOMMIT_OFF_LEN); + } + DBUG_RETURN(0); +} + +int spider_db_oracle_util::append_sql_log_off( + spider_string *str, + bool sql_log_off +) { + DBUG_ENTER("spider_db_oracle_util::append_sql_log_off"); + DBUG_PRINT("info",("spider this=%p", this)); + /* nothing to do */ + DBUG_RETURN(0); +} + +int spider_db_oracle_util::append_wait_timeout( + spider_string *str, + int wait_timeout +) { + DBUG_ENTER("spider_db_oracle_util::append_wait_timeout"); + DBUG_PRINT("info",("spider this=%p", this)); + /* nothing to do */ + DBUG_RETURN(0); +} + +int spider_db_oracle_util::append_sql_mode( + spider_string *str, + sql_mode_t sql_mode +) { + DBUG_ENTER("spider_db_oracle_util::append_sql_mode"); + DBUG_PRINT("info",("spider this=%p", this)); + /* nothing to do */ + DBUG_RETURN(0); +} + +int spider_db_oracle_util::append_time_zone( + spider_string *str, + Time_zone *time_zone +) { + DBUG_ENTER("spider_db_oracle_util::append_time_zone"); + DBUG_PRINT("info",("spider this=%p", this)); + /* nothing to do */ + DBUG_RETURN(0); +} + +int spider_db_oracle_util::append_start_transaction( + spider_string *str +) { + DBUG_ENTER("spider_db_oracle_util::append_start_transaction"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(SPIDER_SQL_SEMICOLON_LEN + + SPIDER_SQL_START_TRANSACTION_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + if (str->length()) + { + str->q_append(SPIDER_SQL_SEMICOLON_STR, SPIDER_SQL_SEMICOLON_LEN); + } + str->q_append(SPIDER_SQL_START_TRANSACTION_STR, + SPIDER_SQL_START_TRANSACTION_LEN); + DBUG_RETURN(0); +} + +int spider_db_oracle_util::append_xa_start( + spider_string *str, + XID *xid +) { + DBUG_ENTER("spider_db_oracle_util::append_xa_start"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_ASSERT(0); + DBUG_RETURN(0); +} + +int spider_db_oracle_util::append_lock_table_head( + spider_string *str +) { + DBUG_ENTER("spider_db_oracle_util::append_lock_table_head"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(0); +} + +int spider_db_oracle_util::append_lock_table_body( + spider_string *str, + const char *db_name, + uint db_name_length, + CHARSET_INFO *db_name_charset, + const char *table_name, + uint table_name_length, + CHARSET_INFO *table_name_charset, + int lock_type +) { + DBUG_ENTER("spider_db_oracle_util::append_lock_table_body"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(SPIDER_SQL_SEMICOLON_LEN + SPIDER_SQL_LOCK_TABLE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + if (str->length()) + { + str->q_append(SPIDER_SQL_SEMICOLON_STR, SPIDER_SQL_SEMICOLON_LEN); + } + str->q_append(SPIDER_SQL_LOCK_TABLE_STR, SPIDER_SQL_LOCK_TABLE_LEN); + if (str->reserve(SPIDER_SQL_NAME_QUOTE_LEN)) + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + str->q_append(SPIDER_SQL_NAME_QUOTE_STR, SPIDER_SQL_NAME_QUOTE_LEN); + if ( + str->append(db_name, db_name_length, db_name_charset) || + str->reserve((SPIDER_SQL_NAME_QUOTE_LEN) * 2 + SPIDER_SQL_DOT_LEN) + ) { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + str->q_append(SPIDER_SQL_NAME_QUOTE_STR, SPIDER_SQL_NAME_QUOTE_LEN); + str->q_append(SPIDER_SQL_DOT_STR, SPIDER_SQL_DOT_LEN); + str->q_append(SPIDER_SQL_NAME_QUOTE_STR, SPIDER_SQL_NAME_QUOTE_LEN); + if ( + str->append(table_name, table_name_length, table_name_charset) || + str->reserve(SPIDER_SQL_NAME_QUOTE_LEN + + spider_db_table_lock_len[lock_type]) + ) { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + str->q_append(SPIDER_SQL_NAME_QUOTE_STR, SPIDER_SQL_NAME_QUOTE_LEN); + str->q_append(spider_db_table_lock_str[lock_type], + spider_db_table_lock_len[lock_type]); + DBUG_RETURN(0); +} + +int spider_db_oracle_util::append_lock_table_tail( + spider_string *str +) { + DBUG_ENTER("spider_db_oracle_util::append_lock_table_tail"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(0); +} + +int spider_db_oracle_util::append_unlock_table( + spider_string *str +) { + DBUG_ENTER("spider_db_oracle_util::append_unlock_table"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(SPIDER_SQL_COMMIT_LEN)) + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + str->q_append(SPIDER_SQL_COMMIT_STR, SPIDER_SQL_COMMIT_LEN); + DBUG_RETURN(0); +} + +int spider_db_oracle_util::open_item_func( + Item_func *item_func, + ha_spider *spider, + spider_string *str, + const char *alias, + uint alias_length, + bool use_fields, + spider_fields *fields +) { + uint dbton_id = spider_dbton_oracle.dbton_id; + int error_num; + Item *item, **item_list = item_func->arguments(); + Field *field; + uint roop_count, item_count = item_func->argument_count(), start_item = 0; + const char *func_name = SPIDER_SQL_NULL_CHAR_STR, + *separator_str = SPIDER_SQL_NULL_CHAR_STR, + *last_str = SPIDER_SQL_NULL_CHAR_STR; + int func_name_length = SPIDER_SQL_NULL_CHAR_LEN, + separator_str_length = SPIDER_SQL_NULL_CHAR_LEN, + last_str_length = SPIDER_SQL_NULL_CHAR_LEN; + int use_pushdown_udf; + bool merge_func = FALSE; + DBUG_ENTER("spider_db_oracle_util::open_item_func"); + if (str) + { + if (str->reserve(SPIDER_SQL_OPEN_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + } + DBUG_PRINT("info",("spider functype = %d", item_func->functype())); + switch (item_func->functype()) + { + case Item_func::ISNULL_FUNC: + last_str = SPIDER_SQL_IS_NULL_STR; + last_str_length = SPIDER_SQL_IS_NULL_LEN; + break; + case Item_func::ISNOTNULL_FUNC: + last_str = SPIDER_SQL_IS_NOT_NULL_STR; + last_str_length = SPIDER_SQL_IS_NOT_NULL_LEN; + break; + case Item_func::UNKNOWN_FUNC: + func_name = (char*) item_func->func_name(); + func_name_length = strlen(func_name); + DBUG_PRINT("info",("spider func_name = %s", func_name)); + DBUG_PRINT("info",("spider func_name_length = %d", func_name_length)); + if (func_name_length == 1 && + ( + !strncasecmp("+", func_name, func_name_length) || + !strncasecmp("-", func_name, func_name_length) || + !strncasecmp("*", func_name, func_name_length) || + !strncasecmp("/", func_name, func_name_length) || + !strncasecmp("%", func_name, func_name_length) || + !strncasecmp("&", func_name, func_name_length) || + !strncasecmp("|", func_name, func_name_length) || + !strncasecmp("^", func_name, func_name_length) + ) + ) { + /* no action */ + break; + } else if (func_name_length == 2 && + ( + !strncasecmp("<<", func_name, func_name_length) || + !strncasecmp(">>", func_name, func_name_length) + ) + ) { + /* no action */ + break; + } else if (func_name_length == 3 && + !strncasecmp("div", func_name, func_name_length) + ) { + /* no action */ + break; + } else if (func_name_length == 4) + { + if ( + !strncasecmp("rand", func_name, func_name_length) && +#ifdef SPIDER_Item_args_arg_count_IS_PROTECTED + !item_func->argument_count() +#else + !item_func->arg_count +#endif + ) { + if (str) + str->length(str->length() - SPIDER_SQL_OPEN_PAREN_LEN); + DBUG_RETURN(spider_db_open_item_int(item_func, NULL, spider, str, + alias, alias_length, dbton_id, use_fields, fields)); + } else if ( + !strncasecmp("case", func_name, func_name_length) + ) { +#ifdef ITEM_FUNC_CASE_PARAMS_ARE_PUBLIC + Item_func_case *item_func_case = (Item_func_case *) item_func; + if (str) + { + if (str->reserve(SPIDER_SQL_CASE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_CASE_STR, SPIDER_SQL_CASE_LEN); + } + if (item_func_case->first_expr_num != -1) + { + if ((error_num = spider_db_print_item_type( + item_list[item_func_case->first_expr_num], NULL, spider, str, + alias, alias_length, dbton_id, use_fields, fields))) + DBUG_RETURN(error_num); + } + for (roop_count = 0; roop_count < item_func_case->ncases; + roop_count += 2) + { + if (str) + { + if (str->reserve(SPIDER_SQL_WHEN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_WHEN_STR, SPIDER_SQL_WHEN_LEN); + } + if ((error_num = spider_db_print_item_type( + item_list[roop_count], NULL, spider, str, + alias, alias_length, dbton_id, use_fields, fields))) + DBUG_RETURN(error_num); + if (str) + { + if (str->reserve(SPIDER_SQL_THEN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_THEN_STR, SPIDER_SQL_THEN_LEN); + } + if ((error_num = spider_db_print_item_type( + item_list[roop_count + 1], NULL, spider, str, + alias, alias_length, dbton_id, use_fields, fields))) + DBUG_RETURN(error_num); + } + if (item_func_case->else_expr_num != -1) + { + if (str) + { + if (str->reserve(SPIDER_SQL_ELSE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_ELSE_STR, SPIDER_SQL_ELSE_LEN); + } + if ((error_num = spider_db_print_item_type( + item_list[item_func_case->else_expr_num], NULL, spider, str, + alias, alias_length, dbton_id, use_fields, fields))) + DBUG_RETURN(error_num); + } + if (str) + { + if (str->reserve(SPIDER_SQL_END_LEN + SPIDER_SQL_CLOSE_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_END_STR, SPIDER_SQL_END_LEN); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, + SPIDER_SQL_CLOSE_PAREN_LEN); + } + DBUG_RETURN(0); +#else + DBUG_RETURN(ER_SPIDER_COND_SKIP_NUM); +#endif + } + } else if (func_name_length == 6 && + !strncasecmp("istrue", func_name, func_name_length) + ) { + last_str = SPIDER_SQL_IS_TRUE_STR; + last_str_length = SPIDER_SQL_IS_TRUE_LEN; + break; + } else if (func_name_length == 7) + { + if (!strncasecmp("isfalse", func_name, func_name_length)) + { + last_str = SPIDER_SQL_IS_FALSE_STR; + last_str_length = SPIDER_SQL_IS_FALSE_LEN; + break; + } else if ( + !strncasecmp("sysdate", func_name, func_name_length) || + !strncasecmp("curdate", func_name, func_name_length) || + !strncasecmp("curtime", func_name, func_name_length) + ) { + if (str) + str->length(str->length() - SPIDER_SQL_OPEN_PAREN_LEN); + DBUG_RETURN(spider_db_open_item_string(item_func, NULL, spider, str, + alias, alias_length, dbton_id, use_fields, fields)); + } else if ( + !strncasecmp("convert", func_name, func_name_length) + ) { + if (str) + { + if (str->reserve(func_name_length * 2 + SPIDER_SQL_OPEN_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(func_name, func_name_length); + str->q_append(SPIDER_SQL_OPEN_PAREN_STR, + SPIDER_SQL_OPEN_PAREN_LEN); + last_str = SPIDER_SQL_CLOSE_PAREN_STR; + last_str_length = SPIDER_SQL_CLOSE_PAREN_LEN; + } + break; + } + } else if (func_name_length == 8 && + ( + !strncasecmp("utc_date", func_name, func_name_length) || + !strncasecmp("utc_time", func_name, func_name_length) + ) + ) { + if (str) + str->length(str->length() - SPIDER_SQL_OPEN_PAREN_LEN); + DBUG_RETURN(spider_db_open_item_string(item_func, NULL, spider, str, + alias, alias_length, dbton_id, use_fields, fields)); + } else if (func_name_length == 9 && + !strncasecmp("isnottrue", func_name, func_name_length) + ) { + last_str = SPIDER_SQL_IS_NOT_TRUE_STR; + last_str_length = SPIDER_SQL_IS_NOT_TRUE_LEN; + break; + } else if (func_name_length == 10) + { + if (!strncasecmp("isnotfalse", func_name, func_name_length)) + { + last_str = SPIDER_SQL_IS_NOT_FALSE_STR; + last_str_length = SPIDER_SQL_IS_NOT_FALSE_LEN; + break; + } else if (!strncasecmp("column_get", func_name, func_name_length)) + { + if (str) + { + str->length(str->length() - SPIDER_SQL_OPEN_PAREN_LEN); + if (str->reserve(func_name_length + SPIDER_SQL_OPEN_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(func_name, func_name_length); + str->q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + } + func_name = SPIDER_SQL_COMMA_STR; + func_name_length = SPIDER_SQL_COMMA_LEN; + separator_str = SPIDER_SQL_COMMA_STR; + separator_str_length = SPIDER_SQL_COMMA_LEN; + break; + } + } else if (func_name_length == 12) + { + if (!strncasecmp("cast_as_date", func_name, func_name_length)) + { + item = item_list[0]; + if (item->type() == Item::FUNC_ITEM) + { + DBUG_PRINT("info",("spider child is FUNC_ITEM")); + Item_func *ifunc = (Item_func *) item; + if (ifunc->functype() == Item_func::UNKNOWN_FUNC) + { + const char *child_func_name; + int child_func_name_length; + DBUG_PRINT("info",("spider child is UNKNOWN_FUNC")); + child_func_name = (char*) ifunc->func_name(); + child_func_name_length = strlen(child_func_name); + DBUG_PRINT("info",("spider child func_name is %s", child_func_name)); + if ( + child_func_name_length == 10 && + !strncasecmp("column_get", child_func_name, child_func_name_length) + ) { + DBUG_PRINT("info",("spider this is merge func")); + merge_func = TRUE; + } + } + } + + if (str) + { + str->length(str->length() - SPIDER_SQL_OPEN_PAREN_LEN); + if (!merge_func) + { + if (str->reserve(SPIDER_SQL_CAST_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_CAST_STR, SPIDER_SQL_CAST_LEN); + } + } + last_str = SPIDER_SQL_AS_DATE_STR; + last_str_length = SPIDER_SQL_AS_DATE_LEN; + break; + } else if (!strncasecmp("cast_as_time", func_name, func_name_length)) + { + item = item_list[0]; + if (item->type() == Item::FUNC_ITEM) + { + DBUG_PRINT("info",("spider child is FUNC_ITEM")); + Item_func *ifunc = (Item_func *) item; + if (ifunc->functype() == Item_func::UNKNOWN_FUNC) + { + const char *child_func_name; + int child_func_name_length; + DBUG_PRINT("info",("spider child is UNKNOWN_FUNC")); + child_func_name = (char*) ifunc->func_name(); + child_func_name_length = strlen(child_func_name); + DBUG_PRINT("info",("spider child func_name is %s", child_func_name)); + if ( + child_func_name_length == 10 && + !strncasecmp("column_get", child_func_name, child_func_name_length) + ) { + DBUG_PRINT("info",("spider this is merge func")); + merge_func = TRUE; + } + } + } + + if (str) + { + str->length(str->length() - SPIDER_SQL_OPEN_PAREN_LEN); + if (!merge_func) + { + if (str->reserve(SPIDER_SQL_CAST_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_CAST_STR, SPIDER_SQL_CAST_LEN); + } + } + last_str = SPIDER_SQL_AS_TIME_STR; + last_str_length = SPIDER_SQL_AS_TIME_LEN; + break; + } + } else if (func_name_length == 13) + { + if (!strncasecmp("utc_timestamp", func_name, func_name_length)) + { + if (str) + str->length(str->length() - SPIDER_SQL_OPEN_PAREN_LEN); + DBUG_RETURN(spider_db_open_item_string(item_func, NULL, spider, str, + alias, alias_length, dbton_id, use_fields, fields)); + } else if (!strncasecmp("timestampdiff", func_name, func_name_length)) + { +#ifdef ITEM_FUNC_TIMESTAMPDIFF_ARE_PUBLIC + Item_func_timestamp_diff *item_func_timestamp_diff = + (Item_func_timestamp_diff *) item_func; + if (str) + { + const char *interval_str; + uint interval_len; + switch (item_func_timestamp_diff->int_type) + { + case INTERVAL_YEAR: + interval_str = SPIDER_SQL_YEAR_STR; + interval_len = SPIDER_SQL_YEAR_LEN; + break; + case INTERVAL_QUARTER: + interval_str = SPIDER_SQL_QUARTER_STR; + interval_len = SPIDER_SQL_QUARTER_LEN; + break; + case INTERVAL_MONTH: + interval_str = SPIDER_SQL_MONTH_STR; + interval_len = SPIDER_SQL_MONTH_LEN; + break; + case INTERVAL_WEEK: + interval_str = SPIDER_SQL_WEEK_STR; + interval_len = SPIDER_SQL_WEEK_LEN; + break; + case INTERVAL_DAY: + interval_str = SPIDER_SQL_DAY_STR; + interval_len = SPIDER_SQL_DAY_LEN; + break; + case INTERVAL_HOUR: + interval_str = SPIDER_SQL_HOUR_STR; + interval_len = SPIDER_SQL_HOUR_LEN; + break; + case INTERVAL_MINUTE: + interval_str = SPIDER_SQL_MINUTE_STR; + interval_len = SPIDER_SQL_MINUTE_LEN; + break; + case INTERVAL_SECOND: + interval_str = SPIDER_SQL_SECOND_STR; + interval_len = SPIDER_SQL_SECOND_LEN; + break; + case INTERVAL_MICROSECOND: + interval_str = SPIDER_SQL_MICROSECOND_STR; + interval_len = SPIDER_SQL_MICROSECOND_LEN; + break; + default: + interval_str = ""; + interval_len = 0; + break; + } + str->length(str->length() - SPIDER_SQL_OPEN_PAREN_LEN); + if (str->reserve(func_name_length + SPIDER_SQL_OPEN_PAREN_LEN + + interval_len + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(func_name, func_name_length); + str->q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + str->q_append(interval_str, interval_len); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + if ((error_num = spider_db_print_item_type(item_list[0], NULL, spider, + str, alias, alias_length, dbton_id, use_fields, fields))) + DBUG_RETURN(error_num); + if (str) + { + if (str->reserve(SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + if ((error_num = spider_db_print_item_type(item_list[1], NULL, spider, + str, alias, alias_length, dbton_id, use_fields, fields))) + DBUG_RETURN(error_num); + if (str) + { + if (str->reserve(SPIDER_SQL_CLOSE_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, + SPIDER_SQL_CLOSE_PAREN_LEN); + } + DBUG_RETURN(0); +#else + DBUG_RETURN(ER_SPIDER_COND_SKIP_NUM); +#endif + } + } else if (func_name_length == 14) + { + if (!strncasecmp("cast_as_binary", func_name, func_name_length)) + { + item = item_list[0]; + if (item->type() == Item::FUNC_ITEM) + { + DBUG_PRINT("info",("spider child is FUNC_ITEM")); + Item_func *ifunc = (Item_func *) item; + if (ifunc->functype() == Item_func::UNKNOWN_FUNC) + { + const char *child_func_name; + int child_func_name_length; + DBUG_PRINT("info",("spider child is UNKNOWN_FUNC")); + child_func_name = (char*) ifunc->func_name(); + child_func_name_length = strlen(child_func_name); + DBUG_PRINT("info",("spider child func_name is %s", child_func_name)); + if ( + child_func_name_length == 10 && + !strncasecmp("column_get", child_func_name, child_func_name_length) + ) { + DBUG_PRINT("info",("spider this is merge func")); + merge_func = TRUE; + } + } + } + + if (str) + { + char tmp_buf[MAX_FIELD_WIDTH], *tmp_ptr, *tmp_ptr2; + spider_string tmp_str(tmp_buf, MAX_FIELD_WIDTH, str->charset()); + tmp_str.init_calc_mem(123); + tmp_str.length(0); + str->length(str->length() - SPIDER_SQL_OPEN_PAREN_LEN); + if (!merge_func) + { + if (str->reserve(SPIDER_SQL_CAST_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_CAST_STR, SPIDER_SQL_CAST_LEN); + } +#if MYSQL_VERSION_ID < 50500 + item_func->print(tmp_str.get_str(), QT_IS); +#else + item_func->print(tmp_str.get_str(), QT_TO_SYSTEM_CHARSET); +#endif + tmp_str.mem_calc(); + if (tmp_str.reserve(1)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + tmp_ptr = tmp_str.c_ptr_quick(); + DBUG_PRINT("info",("spider tmp_ptr = %s", tmp_ptr)); + while ((tmp_ptr2 = strstr(tmp_ptr, SPIDER_SQL_AS_BINARY_STR))) + tmp_ptr = tmp_ptr2 + 1; + last_str = tmp_ptr - 1; + last_str_length = strlen(last_str) - SPIDER_SQL_CLOSE_PAREN_LEN; + } + break; + } else if (!strncasecmp("cast_as_signed", func_name, func_name_length)) + { + item = item_list[0]; + if (item->type() == Item::FUNC_ITEM) + { + DBUG_PRINT("info",("spider child is FUNC_ITEM")); + Item_func *ifunc = (Item_func *) item; + if (ifunc->functype() == Item_func::UNKNOWN_FUNC) + { + const char *child_func_name; + int child_func_name_length; + DBUG_PRINT("info",("spider child is UNKNOWN_FUNC")); + child_func_name = (char*) ifunc->func_name(); + child_func_name_length = strlen(child_func_name); + DBUG_PRINT("info",("spider child func_name is %s", child_func_name)); + if ( + child_func_name_length == 10 && + !strncasecmp("column_get", child_func_name, child_func_name_length) + ) { + DBUG_PRINT("info",("spider this is merge func")); + merge_func = TRUE; + } + } + } + + if (str) + { + str->length(str->length() - SPIDER_SQL_OPEN_PAREN_LEN); + if (!merge_func) + { + if (str->reserve(SPIDER_SQL_CAST_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_CAST_STR, SPIDER_SQL_CAST_LEN); + } + } + last_str = SPIDER_SQL_AS_SIGNED_STR; + last_str_length = SPIDER_SQL_AS_SIGNED_LEN; + break; + } + } else if (func_name_length == 16) + { + if (!strncasecmp("cast_as_unsigned", func_name, func_name_length)) + { + item = item_list[0]; + if (item->type() == Item::FUNC_ITEM) + { + DBUG_PRINT("info",("spider child is FUNC_ITEM")); + Item_func *ifunc = (Item_func *) item; + if (ifunc->functype() == Item_func::UNKNOWN_FUNC) + { + const char *child_func_name; + int child_func_name_length; + DBUG_PRINT("info",("spider child is UNKNOWN_FUNC")); + child_func_name = (char*) ifunc->func_name(); + child_func_name_length = strlen(child_func_name); + DBUG_PRINT("info",("spider child func_name is %s", child_func_name)); + if ( + child_func_name_length == 10 && + !strncasecmp("column_get", child_func_name, child_func_name_length) + ) { + DBUG_PRINT("info",("spider this is merge func")); + merge_func = TRUE; + } + } + } + + if (str) + { + str->length(str->length() - SPIDER_SQL_OPEN_PAREN_LEN); + if (!merge_func) + { + if (str->reserve(SPIDER_SQL_CAST_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_CAST_STR, SPIDER_SQL_CAST_LEN); + } + } + last_str = SPIDER_SQL_AS_UNSIGNED_STR; + last_str_length = SPIDER_SQL_AS_UNSIGNED_LEN; + break; + } else if (!strncasecmp("decimal_typecast", func_name, + func_name_length)) + { + item = item_list[0]; + if (item->type() == Item::FUNC_ITEM) + { + DBUG_PRINT("info",("spider child is FUNC_ITEM")); + Item_func *ifunc = (Item_func *) item; + if (ifunc->functype() == Item_func::UNKNOWN_FUNC) + { + const char *child_func_name; + int child_func_name_length; + DBUG_PRINT("info",("spider child is UNKNOWN_FUNC")); + child_func_name = (char*) ifunc->func_name(); + child_func_name_length = strlen(child_func_name); + DBUG_PRINT("info",("spider child func_name is %s", child_func_name)); + if ( + child_func_name_length == 10 && + !strncasecmp("column_get", child_func_name, child_func_name_length) + ) { + DBUG_PRINT("info",("spider this is merge func")); + merge_func = TRUE; + } + } + } + + if (str) + { + char tmp_buf[MAX_FIELD_WIDTH], *tmp_ptr, *tmp_ptr2; + spider_string tmp_str(tmp_buf, MAX_FIELD_WIDTH, str->charset()); + tmp_str.init_calc_mem(124); + tmp_str.length(0); + str->length(str->length() - SPIDER_SQL_OPEN_PAREN_LEN); + if (!merge_func) + { + if (str->reserve(SPIDER_SQL_CAST_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_CAST_STR, SPIDER_SQL_CAST_LEN); + } +#if MYSQL_VERSION_ID < 50500 + item_func->print(tmp_str.get_str(), QT_IS); +#else + item_func->print(tmp_str.get_str(), QT_TO_SYSTEM_CHARSET); +#endif + tmp_str.mem_calc(); + if (tmp_str.reserve(1)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + tmp_ptr = tmp_str.c_ptr_quick(); + DBUG_PRINT("info",("spider tmp_ptr = %s", tmp_ptr)); + while ((tmp_ptr2 = strstr(tmp_ptr, SPIDER_SQL_AS_DECIMAL_STR))) + tmp_ptr = tmp_ptr2 + 1; + last_str = tmp_ptr - 1; + last_str_length = strlen(last_str) - SPIDER_SQL_CLOSE_PAREN_LEN; + } + break; + } else if (!strncasecmp("cast_as_datetime", func_name, + func_name_length)) + { + item = item_list[0]; + if (item->type() == Item::FUNC_ITEM) + { + DBUG_PRINT("info",("spider child is FUNC_ITEM")); + Item_func *ifunc = (Item_func *) item; + if (ifunc->functype() == Item_func::UNKNOWN_FUNC) + { + const char *child_func_name; + int child_func_name_length; + DBUG_PRINT("info",("spider child is UNKNOWN_FUNC")); + child_func_name = (char*) ifunc->func_name(); + child_func_name_length = strlen(child_func_name); + DBUG_PRINT("info",("spider child func_name is %s", child_func_name)); + if ( + child_func_name_length == 10 && + !strncasecmp("column_get", child_func_name, child_func_name_length) + ) { + DBUG_PRINT("info",("spider this is merge func")); + merge_func = TRUE; + } + } + } + + if (str) + { + str->length(str->length() - SPIDER_SQL_OPEN_PAREN_LEN); + if (!merge_func) + { + if (str->reserve(SPIDER_SQL_CAST_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_CAST_STR, SPIDER_SQL_CAST_LEN); + } + } + last_str = SPIDER_SQL_AS_DATETIME_STR; + last_str_length = SPIDER_SQL_AS_DATETIME_LEN; + break; + } + } else if (func_name_length == 17) + { + if (!strncasecmp("date_add_interval", func_name, func_name_length)) + { + Item_date_add_interval *item_date_add_interval = + (Item_date_add_interval *) item_func; + switch (item_date_add_interval->int_type) + { + case INTERVAL_YEAR: + case INTERVAL_QUARTER: + case INTERVAL_MONTH: + if (str) + { + if (str->reserve(SPIDER_SQL_ADD_MONTHS_LEN + + SPIDER_SQL_OPEN_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_ADD_MONTHS_STR, + SPIDER_SQL_ADD_MONTHS_LEN); + str->q_append(SPIDER_SQL_OPEN_PAREN_STR, + SPIDER_SQL_OPEN_PAREN_LEN); + } + if ((error_num = spider_db_print_item_type(item_list[0], NULL, + spider, str, alias, alias_length, dbton_id, use_fields, + fields))) + DBUG_RETURN(error_num); + if (str) + { + if (item_date_add_interval->date_sub_interval) + { + if (str->reserve(SPIDER_SQL_COMMA_LEN + + SPIDER_SQL_MINUS_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + str->q_append(SPIDER_SQL_MINUS_STR, SPIDER_SQL_MINUS_LEN); + } else { + if (str->reserve(SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + } + if ((error_num = spider_db_print_item_type(item_list[1], NULL, + spider, str, alias, alias_length, dbton_id, use_fields, + fields))) + DBUG_RETURN(error_num); + if (str) + { + if (item_date_add_interval->int_type == INTERVAL_YEAR) + { + func_name = " * 12"; + func_name_length = sizeof(" * 12") - 1; + if (str->reserve(func_name_length + + (SPIDER_SQL_CLOSE_PAREN_LEN * 2))) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(func_name, func_name_length); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, + SPIDER_SQL_CLOSE_PAREN_LEN); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, + SPIDER_SQL_CLOSE_PAREN_LEN); + } else if (item_date_add_interval->int_type == + INTERVAL_QUARTER) + { + func_name = " * 3"; + func_name_length = sizeof(" * 3") - 1; + if (str->reserve(func_name_length + + (SPIDER_SQL_CLOSE_PAREN_LEN * 2))) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(func_name, func_name_length); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, + SPIDER_SQL_CLOSE_PAREN_LEN); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, + SPIDER_SQL_CLOSE_PAREN_LEN); + } else { + if (str->reserve(SPIDER_SQL_CLOSE_PAREN_LEN * 2)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, + SPIDER_SQL_CLOSE_PAREN_LEN); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, + SPIDER_SQL_CLOSE_PAREN_LEN); + } + } + break; + case INTERVAL_WEEK: + case INTERVAL_DAY: + case INTERVAL_HOUR: + case INTERVAL_MINUTE: + case INTERVAL_SECOND: + case INTERVAL_MICROSECOND: + if ((error_num = spider_db_print_item_type(item_list[0], NULL, + spider, str, alias, alias_length, dbton_id, use_fields, + fields))) + DBUG_RETURN(error_num); + if (str) + { + if (item_date_add_interval->date_sub_interval) + { + if (str->reserve(SPIDER_SQL_MINUS_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_MINUS_STR, SPIDER_SQL_MINUS_LEN); + } else { + if (str->reserve(SPIDER_SQL_PLUS_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_PLUS_STR, SPIDER_SQL_PLUS_LEN); + } + } + if ((error_num = spider_db_print_item_type(item_list[1], NULL, + spider, str, alias, alias_length, dbton_id, use_fields, + fields))) + DBUG_RETURN(error_num); + if (str) + { + if (item_date_add_interval->int_type == INTERVAL_WEEK) + { + func_name = " * 7"; + func_name_length = sizeof(" * 7") - 1; + if (str->reserve(func_name_length + + (SPIDER_SQL_CLOSE_PAREN_LEN))) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(func_name, func_name_length); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, + SPIDER_SQL_CLOSE_PAREN_LEN); + } else if (item_date_add_interval->int_type == INTERVAL_HOUR) + { + func_name = " / 24"; + func_name_length = sizeof(" / 24") - 1; + if (str->reserve(func_name_length + + (SPIDER_SQL_CLOSE_PAREN_LEN))) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(func_name, func_name_length); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, + SPIDER_SQL_CLOSE_PAREN_LEN); + } else if (item_date_add_interval->int_type == INTERVAL_MINUTE) + { + func_name = " / 1440"; + func_name_length = sizeof(" / 1440") - 1; + if (str->reserve(func_name_length + + (SPIDER_SQL_CLOSE_PAREN_LEN))) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(func_name, func_name_length); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, + SPIDER_SQL_CLOSE_PAREN_LEN); + } else if (item_date_add_interval->int_type == INTERVAL_SECOND) + { + func_name = " / 86400"; + func_name_length = sizeof(" / 86400") - 1; + if (str->reserve(func_name_length + + (SPIDER_SQL_CLOSE_PAREN_LEN))) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(func_name, func_name_length); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, + SPIDER_SQL_CLOSE_PAREN_LEN); + } else if (item_date_add_interval->int_type == + INTERVAL_MICROSECOND) + { + func_name = " / 86400000000"; + func_name_length = sizeof(" / 86400000000") - 1; + if (str->reserve(func_name_length + + (SPIDER_SQL_CLOSE_PAREN_LEN))) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(func_name, func_name_length); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, + SPIDER_SQL_CLOSE_PAREN_LEN); + } else { + if (str->reserve(SPIDER_SQL_CLOSE_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, + SPIDER_SQL_CLOSE_PAREN_LEN); + } + } + break; + default: + DBUG_RETURN(ER_SPIDER_COND_SKIP_NUM); + } + DBUG_RETURN(0); + break; + } + } + if (str) + { + if (str->reserve(func_name_length + SPIDER_SQL_OPEN_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(func_name, func_name_length); + str->q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + } + func_name = SPIDER_SQL_COMMA_STR; + func_name_length = SPIDER_SQL_COMMA_LEN; + separator_str = SPIDER_SQL_COMMA_STR; + separator_str_length = SPIDER_SQL_COMMA_LEN; + last_str = SPIDER_SQL_CLOSE_PAREN_STR; + last_str_length = SPIDER_SQL_CLOSE_PAREN_LEN; + break; + case Item_func::NOW_FUNC: + if (str) + str->length(str->length() - SPIDER_SQL_OPEN_PAREN_LEN); + DBUG_RETURN(spider_db_open_item_string(item_func, NULL, spider, str, + alias, alias_length, dbton_id, use_fields, fields)); + case Item_func::CHAR_TYPECAST_FUNC: + DBUG_PRINT("info",("spider CHAR_TYPECAST_FUNC")); + { + item = item_list[0]; + if (item->type() == Item::FUNC_ITEM) + { + DBUG_PRINT("info",("spider child is FUNC_ITEM")); + Item_func *ifunc = (Item_func *) item; + if (ifunc->functype() == Item_func::UNKNOWN_FUNC) + { + const char *child_func_name; + int child_func_name_length; + DBUG_PRINT("info",("spider child is UNKNOWN_FUNC")); + child_func_name = (char*) ifunc->func_name(); + child_func_name_length = strlen(child_func_name); + DBUG_PRINT("info",("spider child func_name is %s", child_func_name)); + if ( + child_func_name_length == 10 && + !strncasecmp("column_get", child_func_name, child_func_name_length) + ) { + DBUG_PRINT("info",("spider this is merge func")); + merge_func = TRUE; + } + } + } + + if (str) + { + char tmp_buf[MAX_FIELD_WIDTH], *tmp_ptr, *tmp_ptr2; + spider_string tmp_str(tmp_buf, MAX_FIELD_WIDTH, str->charset()); + tmp_str.init_calc_mem(125); + tmp_str.length(0); + str->length(str->length() - SPIDER_SQL_OPEN_PAREN_LEN); + if (!merge_func) + { + if (str->reserve(SPIDER_SQL_CAST_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_CAST_STR, SPIDER_SQL_CAST_LEN); + } +#if MYSQL_VERSION_ID < 50500 + item_func->print(tmp_str.get_str(), QT_IS); +#else + item_func->print(tmp_str.get_str(), QT_TO_SYSTEM_CHARSET); +#endif + tmp_str.mem_calc(); + if (tmp_str.reserve(1)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + tmp_ptr = tmp_str.c_ptr_quick(); + DBUG_PRINT("info",("spider tmp_ptr = %s", tmp_ptr)); + while ((tmp_ptr2 = strstr(tmp_ptr, SPIDER_SQL_AS_CHAR_STR))) + tmp_ptr = tmp_ptr2 + 1; + last_str = tmp_ptr - 1; + last_str_length = strlen(last_str) - SPIDER_SQL_CLOSE_PAREN_LEN; + } + } + break; + case Item_func::NOT_FUNC: + DBUG_PRINT("info",("spider NOT_FUNC")); + if (item_list[0]->type() == Item::COND_ITEM) + { + DBUG_PRINT("info",("spider item_list[0] is COND_ITEM")); + Item_cond *item_cond = (Item_cond *) item_list[0]; + if (item_cond->functype() == Item_func::COND_AND_FUNC) + { + DBUG_PRINT("info",("spider item_cond is COND_AND_FUNC")); + List_iterator_fast<Item> lif(*(item_cond->argument_list())); + bool has_expr_cache_item = FALSE; + bool has_isnotnull_func = FALSE; + bool has_other_item = FALSE; + while((item = lif++)) + { +#ifdef SPIDER_HAS_EXPR_CACHE_ITEM + if ( + item->type() == Item::EXPR_CACHE_ITEM + ) { + DBUG_PRINT("info",("spider EXPR_CACHE_ITEM")); + has_expr_cache_item = TRUE; + } else +#endif + if ( + item->type() == Item::FUNC_ITEM && + ((Item_func *) item)->functype() == Item_func::ISNOTNULL_FUNC + ) { + DBUG_PRINT("info",("spider ISNOTNULL_FUNC")); + has_isnotnull_func = TRUE; + } else { + DBUG_PRINT("info",("spider has other item")); + DBUG_PRINT("info",("spider COND type=%d", item->type())); + has_other_item = TRUE; + } + } + if (has_expr_cache_item && has_isnotnull_func && !has_other_item) + { + DBUG_PRINT("info",("spider NOT EXISTS skip")); + DBUG_RETURN(ER_SPIDER_COND_SKIP_NUM); + } + } + } + if (str) + { + func_name = (char*) item_func->func_name(); + func_name_length = strlen(func_name); + if (str->reserve(func_name_length + SPIDER_SQL_SPACE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(func_name, func_name_length); + str->q_append(SPIDER_SQL_SPACE_STR, SPIDER_SQL_SPACE_LEN); + } + break; + case Item_func::NEG_FUNC: + if (str) + { + func_name = (char*) item_func->func_name(); + func_name_length = strlen(func_name); + if (str->reserve(func_name_length + SPIDER_SQL_SPACE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(func_name, func_name_length); + str->q_append(SPIDER_SQL_SPACE_STR, SPIDER_SQL_SPACE_LEN); + } + break; + case Item_func::IN_FUNC: + if (((Item_func_opt_neg *) item_func)->negated) + { + func_name = SPIDER_SQL_NOT_IN_STR; + func_name_length = SPIDER_SQL_NOT_IN_LEN; + separator_str = SPIDER_SQL_COMMA_STR; + separator_str_length = SPIDER_SQL_COMMA_LEN; + last_str = SPIDER_SQL_CLOSE_PAREN_STR; + last_str_length = SPIDER_SQL_CLOSE_PAREN_LEN; + } else { + func_name = SPIDER_SQL_IN_STR; + func_name_length = SPIDER_SQL_IN_LEN; + separator_str = SPIDER_SQL_COMMA_STR; + separator_str_length = SPIDER_SQL_COMMA_LEN; + last_str = SPIDER_SQL_CLOSE_PAREN_STR; + last_str_length = SPIDER_SQL_CLOSE_PAREN_LEN; + } + break; + case Item_func::BETWEEN: + if (((Item_func_opt_neg *) item_func)->negated) + { + func_name = SPIDER_SQL_NOT_BETWEEN_STR; + func_name_length = SPIDER_SQL_NOT_BETWEEN_LEN; + separator_str = SPIDER_SQL_AND_STR; + separator_str_length = SPIDER_SQL_AND_LEN; + } else { + func_name = (char*) item_func->func_name(); + func_name_length = strlen(func_name); + separator_str = SPIDER_SQL_AND_STR; + separator_str_length = SPIDER_SQL_AND_LEN; + } + break; + case Item_func::UDF_FUNC: + use_pushdown_udf = spider_param_use_pushdown_udf( + spider->wide_handler->trx->thd, + spider->share->use_pushdown_udf); + if (!use_pushdown_udf) + DBUG_RETURN(ER_SPIDER_COND_SKIP_NUM); + if (str) + { + func_name = (char*) item_func->func_name(); + func_name_length = strlen(func_name); + DBUG_PRINT("info",("spider func_name = %s", func_name)); + DBUG_PRINT("info",("spider func_name_length = %d", func_name_length)); + if (str->reserve(func_name_length + SPIDER_SQL_OPEN_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(func_name, func_name_length); + str->q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + } + func_name = SPIDER_SQL_COMMA_STR; + func_name_length = SPIDER_SQL_COMMA_LEN; + separator_str = SPIDER_SQL_COMMA_STR; + separator_str_length = SPIDER_SQL_COMMA_LEN; + last_str = SPIDER_SQL_CLOSE_PAREN_STR; + last_str_length = SPIDER_SQL_CLOSE_PAREN_LEN; + break; +#ifdef MARIADB_BASE_VERSION + case Item_func::XOR_FUNC: +#else + case Item_func::COND_XOR_FUNC: +#endif + if (str) + str->length(str->length() - SPIDER_SQL_OPEN_PAREN_LEN); + DBUG_RETURN( + spider_db_open_item_cond((Item_cond *) item_func, spider, str, + alias, alias_length, dbton_id, use_fields, fields)); + case Item_func::TRIG_COND_FUNC: + DBUG_RETURN(ER_SPIDER_COND_SKIP_NUM); + case Item_func::GUSERVAR_FUNC: + if (str) + str->length(str->length() - SPIDER_SQL_OPEN_PAREN_LEN); + if (item_func->result_type() == STRING_RESULT) + DBUG_RETURN(spider_db_open_item_string(item_func, NULL, spider, str, + alias, alias_length, dbton_id, use_fields, fields)); + else + DBUG_RETURN(spider_db_open_item_int(item_func, NULL, spider, str, + alias, alias_length, dbton_id, use_fields, fields)); + case Item_func::FT_FUNC: + if (spider_db_check_ft_idx(item_func, spider) == MAX_KEY) + DBUG_RETURN(ER_SPIDER_COND_SKIP_NUM); + start_item = 1; + if (str) + { + if (str->reserve(SPIDER_SQL_MATCH_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_MATCH_STR, SPIDER_SQL_MATCH_LEN); + } + separator_str = SPIDER_SQL_COMMA_STR; + separator_str_length = SPIDER_SQL_COMMA_LEN; + last_str = SPIDER_SQL_CLOSE_PAREN_STR; + last_str_length = SPIDER_SQL_CLOSE_PAREN_LEN; + break; + case Item_func::SP_EQUALS_FUNC: + if (str) + { + func_name = SPIDER_SQL_MBR_EQUAL_STR; + func_name_length = SPIDER_SQL_MBR_EQUAL_LEN; + DBUG_PRINT("info",("spider func_name = %s", func_name)); + DBUG_PRINT("info",("spider func_name_length = %d", func_name_length)); + if (str->reserve(func_name_length)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(func_name, func_name_length); + } + func_name = SPIDER_SQL_COMMA_STR; + func_name_length = SPIDER_SQL_COMMA_LEN; + separator_str = SPIDER_SQL_COMMA_STR; + separator_str_length = SPIDER_SQL_COMMA_LEN; + last_str = SPIDER_SQL_CLOSE_PAREN_STR; + last_str_length = SPIDER_SQL_CLOSE_PAREN_LEN; + break; + case Item_func::SP_DISJOINT_FUNC: + case Item_func::SP_INTERSECTS_FUNC: + case Item_func::SP_TOUCHES_FUNC: + case Item_func::SP_CROSSES_FUNC: + case Item_func::SP_WITHIN_FUNC: + case Item_func::SP_CONTAINS_FUNC: + case Item_func::SP_OVERLAPS_FUNC: + if (str) + { + func_name = (char*) item_func->func_name(); + func_name_length = strlen(func_name); + DBUG_PRINT("info",("spider func_name = %s", func_name)); + DBUG_PRINT("info",("spider func_name_length = %d", func_name_length)); + if (str->reserve( +#ifndef SPIDER_ITEM_GEOFUNC_NAME_HAS_MBR + SPIDER_SQL_MBR_LEN + +#endif + func_name_length + SPIDER_SQL_OPEN_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); +#ifndef SPIDER_ITEM_GEOFUNC_NAME_HAS_MBR + str->q_append(SPIDER_SQL_MBR_STR, SPIDER_SQL_MBR_LEN); +#endif + str->q_append(func_name, func_name_length); + str->q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + } + func_name = SPIDER_SQL_COMMA_STR; + func_name_length = SPIDER_SQL_COMMA_LEN; + separator_str = SPIDER_SQL_COMMA_STR; + separator_str_length = SPIDER_SQL_COMMA_LEN; + last_str = SPIDER_SQL_CLOSE_PAREN_STR; + last_str_length = SPIDER_SQL_CLOSE_PAREN_LEN; + break; + case Item_func::EQ_FUNC: + case Item_func::EQUAL_FUNC: + case Item_func::NE_FUNC: + case Item_func::LT_FUNC: + case Item_func::LE_FUNC: + case Item_func::GE_FUNC: + case Item_func::GT_FUNC: + if (str) + { + func_name = (char*) item_func->func_name(); + func_name_length = strlen(func_name); + } + break; + case Item_func::LIKE_FUNC: +#ifdef SPIDER_LIKE_FUNC_HAS_GET_NEGATED + if (str) + { + if (((Item_func_like *)item_func)->get_negated()) + { + func_name = SPIDER_SQL_NOT_LIKE_STR; + func_name_length = SPIDER_SQL_NOT_LIKE_LEN; + } + else + { + func_name = (char*)item_func->func_name(); + func_name_length = strlen(func_name); + } + } + break; +#else + DBUG_RETURN(ER_SPIDER_COND_SKIP_NUM); +#endif + default: + THD *thd = spider->wide_handler->trx->thd; + SPIDER_SHARE *share = spider->share; + if (spider_param_skip_default_condition(thd, + share->skip_default_condition)) + DBUG_RETURN(ER_SPIDER_COND_SKIP_NUM); + if (str) + { + func_name = (char*) item_func->func_name(); + func_name_length = strlen(func_name); + } + break; + } + DBUG_PRINT("info",("spider func_name = %s", func_name)); + DBUG_PRINT("info",("spider func_name_length = %d", func_name_length)); + DBUG_PRINT("info",("spider separator_str = %s", separator_str)); + DBUG_PRINT("info",("spider separator_str_length = %d", separator_str_length)); + DBUG_PRINT("info",("spider last_str = %s", last_str)); + DBUG_PRINT("info",("spider last_str_length = %d", last_str_length)); + if (item_count) + { + /* Find the field in the list of items of the expression tree */ + field = spider_db_find_field_in_item_list(item_list, + item_count, start_item, + str, + func_name, func_name_length); + item_count--; + for (roop_count = start_item; roop_count < item_count; roop_count++) + { + item = item_list[roop_count]; + if ((error_num = spider_db_print_item_type(item, field, spider, str, + alias, alias_length, dbton_id, use_fields, fields))) + DBUG_RETURN(error_num); + if (roop_count == 1) + { + func_name = separator_str; + func_name_length = separator_str_length; + } + if (str) + { + if (str->reserve(func_name_length + SPIDER_SQL_SPACE_LEN * 2)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SPACE_STR, SPIDER_SQL_SPACE_LEN); + str->q_append(func_name, func_name_length); + str->q_append(SPIDER_SQL_SPACE_STR, SPIDER_SQL_SPACE_LEN); + } + } + item = item_list[roop_count]; + if ((error_num = spider_db_print_item_type(item, field, spider, str, + alias, alias_length, dbton_id, use_fields, fields))) + DBUG_RETURN(error_num); + } + if (item_func->functype() == Item_func::FT_FUNC) + { + Item_func_match *item_func_match = (Item_func_match *)item_func; + if (str) + { + if (str->reserve(SPIDER_SQL_AGAINST_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_AGAINST_STR, SPIDER_SQL_AGAINST_LEN); + } + item = item_list[0]; + if ((error_num = spider_db_print_item_type(item, NULL, spider, str, + alias, alias_length, dbton_id, use_fields, fields))) + DBUG_RETURN(error_num); + if (str) + { + if (str->reserve( + ((item_func_match->flags & FT_BOOL) ? + SPIDER_SQL_IN_BOOLEAN_MODE_LEN : 0) + + ((item_func_match->flags & FT_EXPAND) ? + SPIDER_SQL_WITH_QUERY_EXPANSION_LEN : 0) + )) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + if (item_func_match->flags & FT_BOOL) + str->q_append(SPIDER_SQL_IN_BOOLEAN_MODE_STR, + SPIDER_SQL_IN_BOOLEAN_MODE_LEN); + if (item_func_match->flags & FT_EXPAND) + str->q_append(SPIDER_SQL_WITH_QUERY_EXPANSION_STR, + SPIDER_SQL_WITH_QUERY_EXPANSION_LEN); + } + } else if (item_func->functype() == Item_func::UNKNOWN_FUNC) + { + if ( + func_name_length == 7 && + !strncasecmp("convert", func_name, func_name_length) + ) { + if (str) + { + Item_func_conv_charset *item_func_conv_charset = + (Item_func_conv_charset *)item_func; + CHARSET_INFO *conv_charset = + item_func_conv_charset->SPIDER_Item_func_conv_charset_conv_charset; + uint cset_length = strlen(conv_charset->csname); + if (str->reserve(SPIDER_SQL_USING_LEN + cset_length)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_USING_STR, SPIDER_SQL_USING_LEN); + str->q_append(conv_charset->csname, cset_length); + } + } + } + if (str) + { + if (merge_func) + str->length(str->length() - SPIDER_SQL_CLOSE_PAREN_LEN); + if (str->reserve(last_str_length + SPIDER_SQL_CLOSE_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(last_str, last_str_length); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, SPIDER_SQL_CLOSE_PAREN_LEN); + } + DBUG_RETURN(0); +} + +#ifdef HANDLER_HAS_DIRECT_AGGREGATE +int spider_db_oracle_util::open_item_sum_func( + Item_sum *item_sum, + ha_spider *spider, + spider_string *str, + const char *alias, + uint alias_length, + bool use_fields, + spider_fields *fields +) { + uint dbton_id = spider_dbton_oracle.dbton_id; + uint roop_count, item_count = item_sum->get_arg_count(); + int error_num; + DBUG_ENTER("spider_db_oracle_util::open_item_sum_func"); + DBUG_PRINT("info",("spider Sumfunctype = %d", item_sum->sum_func())); + switch (item_sum->sum_func()) + { + case Item_sum::COUNT_FUNC: + case Item_sum::SUM_FUNC: + case Item_sum::MIN_FUNC: + case Item_sum::MAX_FUNC: + { + const char *func_name = item_sum->func_name(); + uint func_name_length = strlen(func_name); + Item *item, **args = item_sum->get_args(); + if (str) + { + if (str->reserve(func_name_length)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(func_name, func_name_length); + } + if (item_count) + { + item_count--; + for (roop_count = 0; roop_count < item_count; roop_count++) + { + item = args[roop_count]; + if ((error_num = spider_db_print_item_type(item, NULL, spider, str, + alias, alias_length, dbton_id, use_fields, fields))) + DBUG_RETURN(error_num); + if (str) + { + if (str->reserve(SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + } + item = args[roop_count]; + if ((error_num = spider_db_print_item_type(item, NULL, spider, str, + alias, alias_length, dbton_id, use_fields, fields))) + DBUG_RETURN(error_num); + } + if (str) + { + if (str->reserve(SPIDER_SQL_CLOSE_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, + SPIDER_SQL_CLOSE_PAREN_LEN); + } + } + break; + case Item_sum::COUNT_DISTINCT_FUNC: + case Item_sum::SUM_DISTINCT_FUNC: + case Item_sum::AVG_FUNC: + case Item_sum::AVG_DISTINCT_FUNC: + case Item_sum::STD_FUNC: + case Item_sum::VARIANCE_FUNC: + case Item_sum::SUM_BIT_FUNC: + case Item_sum::UDF_SUM_FUNC: + case Item_sum::GROUP_CONCAT_FUNC: + default: + DBUG_RETURN(ER_SPIDER_COND_SKIP_NUM); + } + DBUG_RETURN(0); +} +#endif + +size_t spider_db_oracle_util::escape_string( + char *to, + const char *from, + size_t from_length, + CHARSET_INFO *access_charset +) { + DBUG_ENTER("spider_db_oracle::escape_string"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(escape_quotes_for_mysql(access_charset, to, 0, + from, from_length)); +} + +int spider_db_oracle_util::append_escaped_util( + spider_string *to, + String *from +) { + size_t copy_length; + DBUG_ENTER("spider_db_oracle_util::append_escaped_util"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_PRINT("info",("spider to=%s", to->c_ptr_safe())); + DBUG_PRINT("info",("spider from=%s", from->c_ptr_safe())); + copy_length = escape_string((char *) to->ptr() + to->length(), from->ptr(), + from->length(), to->charset()); + DBUG_PRINT("info",("spider copy_length=%zu", copy_length)); + to->length(to->length() + copy_length); + to->mem_calc(); + DBUG_RETURN(0); +} + +#ifdef SPIDER_HAS_GROUP_BY_HANDLER +int spider_db_oracle_util::append_from_and_tables( + ha_spider *spider, + spider_fields *fields, + spider_string *str, + TABLE_LIST *table_list, + uint table_count +) { + SPIDER_TABLE_HOLDER *table_holder; + int error_num; + uint dbton_id = spider_dbton_oracle.dbton_id, from_length; + spider_oracle_share *db_share; + spider_oracle_handler *dbton_hdl; + ha_spider *spider; + DBUG_ENTER("spider_db_oracle_util::append_from_and_tables"); + DBUG_PRINT("info",("spider this=%p", this)); + + /* calculate from size */ + from_length = SPIDER_SQL_FROM_LEN; + fields->set_pos_to_first_table_holder(); + while ((table_holder = fields->get_next_table_holder())) + { + spider = table_holder->spider; + db_share = (spider_oracle_share *) + spider->share->dbton_share[dbton_id]; + from_length += + db_share->db_nm_max_length + + SPIDER_SQL_DOT_LEN + /* SPIDER_SQL_NAME_QUOTE_LEN */ 4 + + db_share->table_nm_max_length + + SPIDER_SQL_SPACE_LEN + SPIDER_SQL_COMMA_LEN + + table_holder->alias->length() - SPIDER_SQL_DOT_LEN; + } + + if (str->reserve(from_length)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_FROM_STR, SPIDER_SQL_FROM_LEN); + + fields->set_pos_to_first_table_holder(); + while ((table_holder = fields->get_next_table_holder())) + { + spider = table_holder->spider; + db_share = (spider_oracle_share *) + spider->share->dbton_share[dbton_id]; + dbton_hdl = (spider_oracle_handler *) spider->dbton_handler[dbton_id]; + dbton_hdl->table_name_pos = str->length(); + if ((error_num = db_share->append_table_name_with_adjusting(str, + spider->conn_link_idx[dbton_hdl->first_link_idx]))) + { + DBUG_RETURN(error_num); + } + str->q_append(SPIDER_SQL_SPACE_STR, SPIDER_SQL_SPACE_LEN); + str->q_append(table_holder->alias->ptr(), + table_holder->alias->length() - SPIDER_SQL_DOT_LEN); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + DBUG_RETURN(0); +} + +int spider_db_oracle_util::reappend_tables( + spider_fields *fields, + SPIDER_LINK_IDX_CHAIN *link_idx_chain, + spider_string *str +) { + int error_num; + uint dbton_id = spider_dbton_oracle.dbton_id, length; + ha_spider *spider; + spider_oracle_share *db_share; + spider_oracle_handler *dbton_hdl; + SPIDER_TABLE_HOLDER *table_holder; + SPIDER_LINK_IDX_HOLDER *link_idx_holder; + DBUG_ENTER("spider_db_oracle_util::reappend_tables"); + DBUG_PRINT("info",("spider this=%p", this)); + length = str->length(); + fields->set_pos_to_first_table_on_link_idx_chain(link_idx_chain); + fields->set_pos_to_first_table_holder(); + while ((table_holder = fields->get_next_table_holder())) + { + link_idx_holder = fields->get_next_table_on_link_idx_chain(link_idx_chain); + spider = table_holder->spider; + db_share = (spider_oracle_share *) + spider->share->dbton_share[dbton_id]; + if (!db_share->same_db_table_name) + { + dbton_hdl = (spider_oracle_handler *) spider->dbton_handler[dbton_id]; + str->length(dbton_hdl->table_name_pos); + if ((error_num = db_share->append_table_name_with_adjusting(str, + spider->conn_link_idx[link_idx_holder->link_idx]))) + { + DBUG_RETURN(error_num); + } + } + } + str->length(length); + DBUG_RETURN(0); +} + +int spider_db_oracle_util::append_where( + spider_string *str +) { + DBUG_ENTER("spider_db_oracle_util::append_where"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(SPIDER_SQL_WHERE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_WHERE_STR, SPIDER_SQL_WHERE_LEN); + DBUG_RETURN(0); +} + +int spider_db_oracle_util::append_having( + spider_string *str +) { + DBUG_ENTER("spider_db_oracle_util::append_having"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(SPIDER_SQL_HAVING_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_HAVING_STR, SPIDER_SQL_HAVING_LEN); + DBUG_RETURN(0); +} +#endif + +spider_oracle_share::spider_oracle_share( + st_spider_share *share +) : spider_db_share( + share, + spider_dbton_oracle.dbton_id +), + table_select(NULL), + table_select_pos(0), + key_select(NULL), + key_select_pos(NULL), + key_hint(NULL), + show_table_status(NULL), + show_records(NULL), + show_autoinc(NULL), + show_last_insert_id(NULL), + show_index(NULL), + table_names_str(NULL), + db_names_str(NULL), + db_table_str(NULL), + nextval_str(NULL), +#ifdef SPIDER_HAS_HASH_VALUE_TYPE + db_table_str_hash_value(NULL), +#endif + table_nm_max_length(0), + db_nm_max_length(0), + nextval_max_length(0), + column_name_str(NULL), + same_db_table_name(TRUE), + first_all_link_idx(-1) +{ + DBUG_ENTER("spider_oracle_share::spider_oracle_share"); + DBUG_PRINT("info",("spider this=%p", this)); + spider_alloc_calc_mem_init(mem_calc, 220); + spider_alloc_calc_mem(spider_current_trx, mem_calc, sizeof(*this)); + DBUG_VOID_RETURN; +} + +spider_oracle_share::~spider_oracle_share() +{ + DBUG_ENTER("spider_oracle_share::~spider_oracle_share"); + DBUG_PRINT("info",("spider this=%p", this)); + if (table_select) + delete [] table_select; + if (key_select) + delete [] key_select; + if (key_hint) + delete [] key_hint; + free_show_table_status(); + free_show_records(); + free_show_autoinc(); + free_show_last_insert_id(); + free_show_index(); + free_column_name_str(); + free_table_names_str(); + if (key_select_pos) + { + spider_free(spider_current_trx, key_select_pos, MYF(0)); + } + spider_free_mem_calc(spider_current_trx, mem_calc_id, sizeof(*this)); + DBUG_VOID_RETURN; +} + +int spider_oracle_share::init() +{ + int error_num; + uint roop_count; + TABLE_SHARE *table_share = spider_share->table_share; + uint keys = table_share ? table_share->keys : 0; + DBUG_ENTER("spider_oracle_share::init"); + DBUG_PRINT("info",("spider this=%p", this)); + if (!(key_select_pos = (int *) + spider_bulk_alloc_mem(spider_current_trx, 221, + __func__, __FILE__, __LINE__, MYF(MY_WME | MY_ZEROFILL), + &key_select_pos, + sizeof(int) * keys, +#ifdef SPIDER_HAS_HASH_VALUE_TYPE + &db_table_str_hash_value, + sizeof(my_hash_value_type) * spider_share->all_link_count, +#endif + NullS)) + ) { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + + if (keys > 0 && + !(key_hint = new spider_string[keys]) + ) { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + for (roop_count = 0; roop_count < keys; roop_count++) + { + key_hint[roop_count].init_calc_mem(190); + key_hint[roop_count].set_charset(spider_share->access_charset); + } + DBUG_PRINT("info",("spider key_hint=%p", key_hint)); + + if ( + !(table_select = new spider_string[1]) || + (keys > 0 && + !(key_select = new spider_string[keys]) + ) || + (error_num = create_table_names_str()) || + (table_share && + ( + (error_num = create_column_name_str()) || + (error_num = convert_key_hint_str()) || + (error_num = append_show_table_status()) || + (error_num = append_show_records()) || + (error_num = append_show_autoinc()) || + (error_num = append_show_last_insert_id()) || + (error_num = append_show_index()) + ) + ) + ) { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + + table_select->init_calc_mem(191); + if (table_share && (error_num = append_table_select())) + DBUG_RETURN(error_num); + + for (roop_count = 0; roop_count < keys; roop_count++) + { + key_select[roop_count].init_calc_mem(192); + if ((error_num = append_key_select(roop_count))) + DBUG_RETURN(error_num); + } + + DBUG_RETURN(error_num); +} + +uint spider_oracle_share::get_column_name_length( + uint field_index +) { + DBUG_ENTER("spider_oracle_share::get_column_name_length"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(column_name_str[field_index].length()); +} + +int spider_oracle_share::append_column_name( + spider_string *str, + uint field_index +) { + int error_num; + DBUG_ENTER("spider_oracle_share::append_column_name"); + DBUG_PRINT("info",("spider this=%p", this)); + error_num = spider_db_oracle_utility.append_name(str, + column_name_str[field_index].ptr(), column_name_str[field_index].length()); + DBUG_RETURN(error_num); +} + +int spider_oracle_share::append_column_name_with_alias( + spider_string *str, + uint field_index, + const char *alias, + uint alias_length +) { + DBUG_ENTER("spider_oracle_share::append_column_name_with_alias"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve( + alias_length + + column_name_str[field_index].length() + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(alias, alias_length); + append_column_name(str, field_index); + DBUG_RETURN(0); +} + +int spider_oracle_share::append_table_name( + spider_string *str, + int all_link_idx +) { + const char *db_nm = db_names_str[all_link_idx].ptr(); + uint db_nm_len = db_names_str[all_link_idx].length(); + const char *table_nm = table_names_str[all_link_idx].ptr(); + uint table_nm_len = table_names_str[all_link_idx].length(); + DBUG_ENTER("spider_oracle_share::append_table_name"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(db_nm_len + SPIDER_SQL_DOT_LEN + table_nm_len + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 4)) + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + spider_db_oracle_utility.append_name(str, db_nm, db_nm_len); + str->q_append(SPIDER_SQL_DOT_STR, SPIDER_SQL_DOT_LEN); + spider_db_oracle_utility.append_name(str, table_nm, table_nm_len); + DBUG_RETURN(0); +} + +int spider_oracle_share::append_table_name_with_adjusting( + spider_string *str, + int all_link_idx +) { + const char *db_nm = db_names_str[all_link_idx].ptr(); + uint db_nm_len = db_names_str[all_link_idx].length(); + uint db_nm_max_len = db_nm_max_length; + const char *table_nm = table_names_str[all_link_idx].ptr(); + uint table_nm_len = table_names_str[all_link_idx].length(); + uint table_nm_max_len = table_nm_max_length; + DBUG_ENTER("spider_oracle_share::append_table_name_with_adjusting"); + DBUG_PRINT("info",("spider this=%p", this)); + spider_db_oracle_utility.append_name(str, db_nm, db_nm_len); + str->q_append(SPIDER_SQL_DOT_STR, SPIDER_SQL_DOT_LEN); + spider_db_oracle_utility.append_name(str, table_nm, table_nm_len); + uint length = + db_nm_max_len - db_nm_len + + table_nm_max_len - table_nm_len; + memset((char *) str->ptr() + str->length(), ' ', length); + str->length(str->length() + length); + DBUG_RETURN(0); +} + +int spider_oracle_share::append_from_with_adjusted_table_name( + spider_string *str, + int *table_name_pos +) { + const char *db_nm = db_names_str[0].ptr(); + uint db_nm_len = db_names_str[0].length(); + uint db_nm_max_len = db_nm_max_length; + const char *table_nm = table_names_str[0].ptr(); + uint table_nm_len = table_names_str[0].length(); + uint table_nm_max_len = table_nm_max_length; + DBUG_ENTER("spider_oracle_share::append_from_with_adjusted_table_name"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(SPIDER_SQL_FROM_LEN + db_nm_max_length + + SPIDER_SQL_DOT_LEN + table_nm_max_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 4)) + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + str->q_append(SPIDER_SQL_FROM_STR, SPIDER_SQL_FROM_LEN); + *table_name_pos = str->length(); + spider_db_oracle_utility.append_name(str, db_nm, db_nm_len); + str->q_append(SPIDER_SQL_DOT_STR, SPIDER_SQL_DOT_LEN); + spider_db_oracle_utility.append_name(str, table_nm, table_nm_len); + uint length = + db_nm_max_len - db_nm_len + + table_nm_max_len - table_nm_len; + memset((char *) str->ptr() + str->length(), ' ', length); + str->length(str->length() + length); + DBUG_RETURN(0); +} + +int spider_oracle_share::create_table_names_str() +{ + int error_num, roop_count; + uint table_nm_len, db_nm_len; + spider_string *str, *first_tbl_nm_str, *first_db_nm_str, *first_db_tbl_str; + char *first_tbl_nm, *first_db_nm; + uint dbton_id = spider_dbton_oracle.dbton_id; + DBUG_ENTER("spider_oracle_share::create_table_names_str"); + table_names_str = NULL; + db_names_str = NULL; + db_table_str = NULL; + if ( + !(table_names_str = new spider_string[spider_share->all_link_count]) || + !(db_names_str = new spider_string[spider_share->all_link_count]) || + !(db_table_str = new spider_string[spider_share->all_link_count]) + ) { + error_num = HA_ERR_OUT_OF_MEM; + goto error; + } + + same_db_table_name = TRUE; + first_tbl_nm = spider_share->tgt_table_names[0]; + first_db_nm = spider_share->tgt_dbs[0]; + table_nm_len = spider_share->tgt_table_names_lengths[0]; + db_nm_len = spider_share->tgt_dbs_lengths[0]; + first_tbl_nm_str = &table_names_str[0]; + first_db_nm_str = &db_names_str[0]; + first_db_tbl_str = &db_table_str[0]; + for (roop_count = 0; roop_count < (int) spider_share->all_link_count; + roop_count++) + { + table_names_str[roop_count].init_calc_mem(193); + db_names_str[roop_count].init_calc_mem(194); + db_table_str[roop_count].init_calc_mem(195); + if (spider_share->sql_dbton_ids[roop_count] != dbton_id) + continue; + if (first_all_link_idx == -1) + first_all_link_idx = roop_count; + + str = &table_names_str[roop_count]; + if ( + roop_count != 0 && + same_db_table_name && + spider_share->tgt_table_names_lengths[roop_count] == table_nm_len && + !memcmp(first_tbl_nm, spider_share->tgt_table_names[roop_count], + table_nm_len) + ) { + if (str->copy(*first_tbl_nm_str)) + { + error_num = HA_ERR_OUT_OF_MEM; + goto error; + } + } else { + str->set_charset(spider_share->access_charset); + if ((error_num = spider_db_append_name_with_quote_str(str, + spider_share->tgt_table_names[roop_count], dbton_id))) + goto error; + if (roop_count) + { + same_db_table_name = FALSE; + DBUG_PRINT("info", ("spider found different table name %s", + spider_share->tgt_table_names[roop_count])); + if (str->length() > table_nm_max_length) + table_nm_max_length = str->length(); + } else + table_nm_max_length = str->length(); + } + + str = &db_names_str[roop_count]; + if ( + roop_count != 0 && + same_db_table_name && + spider_share->tgt_dbs_lengths[roop_count] == db_nm_len && + !memcmp(first_db_nm, spider_share->tgt_dbs[roop_count], + db_nm_len) + ) { + if (str->copy(*first_db_nm_str)) + { + error_num = HA_ERR_OUT_OF_MEM; + goto error; + } + } else { + str->set_charset(spider_share->access_charset); + if ((error_num = spider_db_append_name_with_quote_str(str, + spider_share->tgt_dbs[roop_count], dbton_id))) + goto error; + if (roop_count) + { + same_db_table_name = FALSE; + DBUG_PRINT("info", ("spider found different db name %s", + spider_share->tgt_dbs[roop_count])); + if (str->length() > db_nm_max_length) + db_nm_max_length = str->length(); + } else + db_nm_max_length = str->length(); + } + + str = &db_table_str[roop_count]; + if ( + roop_count != 0 && + same_db_table_name + ) { + if (str->copy(*first_db_tbl_str)) + { + error_num = HA_ERR_OUT_OF_MEM; + goto error; + } + } else { + str->set_charset(spider_share->access_charset); + if ((error_num = append_table_name(str, roop_count))) + goto error; + } +#ifdef SPIDER_HAS_HASH_VALUE_TYPE + db_table_str_hash_value[roop_count] = my_calc_hash( + &spider_open_connections, (uchar*) str->ptr(), str->length()); +#endif + } + DBUG_RETURN(0); + +error: + if (db_table_str) + { + delete [] db_table_str; + db_table_str = NULL; + } + if (db_names_str) + { + delete [] db_names_str; + db_names_str = NULL; + } + if (table_names_str) + { + delete [] table_names_str; + table_names_str = NULL; + } + DBUG_RETURN(error_num); +} + +void spider_oracle_share::free_table_names_str() +{ + DBUG_ENTER("spider_oracle_share::free_table_names_str"); + if (db_table_str) + { + delete [] db_table_str; + db_table_str = NULL; + } + if (db_names_str) + { + delete [] db_names_str; + db_names_str = NULL; + } + if (table_names_str) + { + delete [] table_names_str; + table_names_str = NULL; + } + DBUG_VOID_RETURN; +} + +int spider_oracle_share::create_column_name_str() +{ + spider_string *str; + int error_num; + Field **field; + TABLE_SHARE *table_share = spider_share->table_share; + uint dbton_id = spider_dbton_oracle.dbton_id; + DBUG_ENTER("spider_oracle_share::create_column_name_str"); + if ( + table_share->fields && + !(column_name_str = new spider_string[table_share->fields]) + ) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + for (field = table_share->field, str = column_name_str; + *field; field++, str++) + { + str->init_calc_mem(196); + str->set_charset(spider_share->access_charset); + if ((error_num = spider_db_append_name_with_quote_str(str, + (*field)->field_name, dbton_id))) + goto error; + } + DBUG_RETURN(0); + +error: + if (column_name_str) + { + delete [] column_name_str; + column_name_str = NULL; + } + DBUG_RETURN(error_num); +} + +void spider_oracle_share::free_column_name_str() +{ + DBUG_ENTER("spider_oracle_share::free_column_name_str"); + if (column_name_str) + { + delete [] column_name_str; + column_name_str = NULL; + } + DBUG_VOID_RETURN; +} + +int spider_oracle_share::convert_key_hint_str() +{ + spider_string *tmp_key_hint; + int roop_count; + TABLE_SHARE *table_share = spider_share->table_share; + DBUG_ENTER("spider_oracle_share::convert_key_hint_str"); + if (spider_share->access_charset->cset != system_charset_info->cset) + { + /* need conversion */ + for (roop_count = 0, tmp_key_hint = key_hint; + roop_count < (int) table_share->keys; roop_count++, tmp_key_hint++) + { + tmp_key_hint->length(0); + if (tmp_key_hint->append(spider_share->key_hint->ptr(), + spider_share->key_hint->length(), system_charset_info)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + } else { + for (roop_count = 0, tmp_key_hint = key_hint; + roop_count < (int) table_share->keys; roop_count++, tmp_key_hint++) + { + if (tmp_key_hint->copy(spider_share->key_hint[roop_count])) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + } + DBUG_RETURN(0); +} + +int spider_oracle_share::append_show_table_status() +{ + int roop_count; + spider_string *str; + uint dbton_id = spider_dbton_oracle.dbton_id; + DBUG_ENTER("spider_oracle_append_show_table_status"); + if (!(show_table_status = + new spider_string[2 * spider_share->all_link_count])) + goto error; + + for (roop_count = 0; roop_count < (int) spider_share->all_link_count; + roop_count++) + { + show_table_status[0 + (2 * roop_count)].init_calc_mem(197); + show_table_status[1 + (2 * roop_count)].init_calc_mem(207); + if (spider_share->sql_dbton_ids[roop_count] != dbton_id) + continue; + + if ( + show_table_status[0 + (2 * roop_count)].reserve( + SPIDER_SQL_SHOW_TABLE_STATUS_LEN + + db_names_str[roop_count].length() + + SPIDER_SQL_LIKE_LEN + table_names_str[roop_count].length() + + ((SPIDER_SQL_NAME_QUOTE_LEN) * 2) + + ((SPIDER_SQL_VALUE_QUOTE_LEN) * 2)) || + show_table_status[1 + (2 * roop_count)].reserve( + SPIDER_SQL_SELECT_TABLES_STATUS_LEN + + db_names_str[roop_count].length() + + SPIDER_SQL_AND_LEN + SPIDER_SQL_TABLE_NAME_LEN + SPIDER_SQL_EQUAL_LEN + + table_names_str[roop_count].length() + + ((SPIDER_SQL_VALUE_QUOTE_LEN) * 4)) + ) + goto error; + str = &show_table_status[0 + (2 * roop_count)]; + str->q_append( + SPIDER_SQL_SHOW_TABLE_STATUS_STR, SPIDER_SQL_SHOW_TABLE_STATUS_LEN); + str->q_append(SPIDER_SQL_NAME_QUOTE_STR, SPIDER_SQL_NAME_QUOTE_LEN); + str->q_append(db_names_str[roop_count].ptr(), + db_names_str[roop_count].length()); + str->q_append(SPIDER_SQL_NAME_QUOTE_STR, SPIDER_SQL_NAME_QUOTE_LEN); + str->q_append(SPIDER_SQL_LIKE_STR, SPIDER_SQL_LIKE_LEN); + str->q_append(SPIDER_SQL_VALUE_QUOTE_STR, SPIDER_SQL_VALUE_QUOTE_LEN); + str->q_append(table_names_str[roop_count].ptr(), + table_names_str[roop_count].length()); + str->q_append(SPIDER_SQL_VALUE_QUOTE_STR, SPIDER_SQL_VALUE_QUOTE_LEN); + str = &show_table_status[1 + (2 * roop_count)]; + str->q_append( + SPIDER_SQL_SELECT_TABLES_STATUS_STR, + SPIDER_SQL_SELECT_TABLES_STATUS_LEN); + str->q_append(SPIDER_SQL_VALUE_QUOTE_STR, SPIDER_SQL_VALUE_QUOTE_LEN); + str->q_append(db_names_str[roop_count].ptr(), + db_names_str[roop_count].length()); + str->q_append(SPIDER_SQL_VALUE_QUOTE_STR, SPIDER_SQL_VALUE_QUOTE_LEN); + str->q_append(SPIDER_SQL_AND_STR, SPIDER_SQL_AND_LEN); + str->q_append(SPIDER_SQL_TABLE_NAME_STR, SPIDER_SQL_TABLE_NAME_LEN); + str->q_append(SPIDER_SQL_EQUAL_STR, SPIDER_SQL_EQUAL_LEN); + str->q_append(SPIDER_SQL_VALUE_QUOTE_STR, SPIDER_SQL_VALUE_QUOTE_LEN); + str->q_append(table_names_str[roop_count].ptr(), + table_names_str[roop_count].length()); + str->q_append(SPIDER_SQL_VALUE_QUOTE_STR, SPIDER_SQL_VALUE_QUOTE_LEN); + } + DBUG_RETURN(0); + +error: + if (show_table_status) + { + delete [] show_table_status; + show_table_status = NULL; + } + DBUG_RETURN(HA_ERR_OUT_OF_MEM); +} + +void spider_oracle_share::free_show_table_status() +{ + DBUG_ENTER("spider_oracle_free_show_table_status"); + if (show_table_status) + { + delete [] show_table_status; + show_table_status = NULL; + } + DBUG_VOID_RETURN; +} + +int spider_oracle_share::append_show_records() +{ + int roop_count; + spider_string *str; + uint dbton_id = spider_dbton_oracle.dbton_id; + DBUG_ENTER("spider_oracle_share::append_show_records"); + if (!(show_records = new spider_string[spider_share->all_link_count])) + goto error; + + for (roop_count = 0; roop_count < (int) spider_share->all_link_count; + roop_count++) + { + show_records[roop_count].init_calc_mem(208); + if (spider_share->sql_dbton_ids[roop_count] != dbton_id) + continue; + + if ( + show_records[roop_count].reserve( + SPIDER_SQL_SHOW_RECORDS_LEN + + db_names_str[roop_count].length() + + SPIDER_SQL_DOT_LEN + + table_names_str[roop_count].length() + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 4) + ) + goto error; + str = &show_records[roop_count]; + str->q_append(SPIDER_SQL_SHOW_RECORDS_STR, SPIDER_SQL_SHOW_RECORDS_LEN); + append_table_name(str, roop_count); + } + DBUG_RETURN(0); + +error: + if (show_records) + { + delete [] show_records; + show_records = NULL; + } + DBUG_RETURN(HA_ERR_OUT_OF_MEM); +} + +void spider_oracle_share::free_show_records() +{ + DBUG_ENTER("spider_oracle_share::free_show_records"); + if (show_records) + { + delete [] show_records; + show_records = NULL; + } + DBUG_VOID_RETURN; +} + +int spider_oracle_share::append_show_autoinc() +{ + uint roop_count, field_length; + spider_string *str; + uint dbton_id = spider_dbton_oracle.dbton_id; + Field **found_next_number_field = + spider_share->table_share->found_next_number_field; + DBUG_ENTER("spider_oracle_share::append_show_autoinc"); + if (!found_next_number_field) + DBUG_RETURN(0); + + if (!(show_autoinc = new spider_string[spider_share->all_link_count])) + goto error; + + field_length = + column_name_str[(*found_next_number_field)->field_index].length(); + for (roop_count = 0; roop_count < spider_share->all_link_count; + roop_count++) + { + show_autoinc[roop_count].init_calc_mem(224); + if (spider_share->sql_dbton_ids[roop_count] != dbton_id) + continue; + + if ( + show_autoinc[roop_count].reserve( + SPIDER_SQL_SELECT_LEN + + SPIDER_SQL_MAX_LEN + + SPIDER_SQL_OPEN_PAREN_LEN + + field_length + + SPIDER_SQL_CLOSE_PAREN_LEN + + SPIDER_SQL_FROM_LEN + + db_names_str[roop_count].length() + + SPIDER_SQL_DOT_LEN + + table_names_str[roop_count].length() + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 6) + ) + goto error; + str = &show_autoinc[roop_count]; + str->q_append(SPIDER_SQL_SELECT_STR, SPIDER_SQL_SELECT_LEN); + str->q_append(SPIDER_SQL_MAX_STR, SPIDER_SQL_MAX_LEN); + str->q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + append_column_name(str, (*found_next_number_field)->field_index); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, SPIDER_SQL_CLOSE_PAREN_LEN); + str->q_append(SPIDER_SQL_FROM_STR, SPIDER_SQL_FROM_LEN); + append_table_name(str, roop_count); + } + DBUG_RETURN(0); + +error: + if (show_autoinc) + { + delete [] show_autoinc; + show_autoinc = NULL; + } + DBUG_RETURN(HA_ERR_OUT_OF_MEM); +} + +void spider_oracle_share::free_show_autoinc() +{ + DBUG_ENTER("spider_oracle_share::free_show_autoinc"); + if (show_autoinc) + { + delete [] show_autoinc; + show_autoinc = NULL; + } + DBUG_VOID_RETURN; +} + +int spider_oracle_share::append_show_last_insert_id() +{ + uint roop_count; + spider_string *str; + uint dbton_id = spider_dbton_oracle.dbton_id; + Field **found_next_number_field = + spider_share->table_share->found_next_number_field; + uint seq_nm_max_length = 0; + DBUG_ENTER("spider_oracle_share::append_show_last_insert_id"); + if (!found_next_number_field) + DBUG_RETURN(0); + + if ( + !(show_last_insert_id = new spider_string[spider_share->all_link_count]) || + !(nextval_str = new spider_string[spider_share->all_link_count]) + ) + goto error; + + for (roop_count = 0; roop_count < spider_share->all_link_count; + roop_count++) + { + show_last_insert_id[roop_count].init_calc_mem(225); + nextval_str[roop_count].init_calc_mem(226); + if (spider_share->sql_dbton_ids[roop_count] != dbton_id) + continue; + + if ( + show_last_insert_id[roop_count].reserve( + SPIDER_SQL_SELECT_LEN + + spider_share->tgt_sequence_names_lengths[roop_count] + + SPIDER_SQL_CURRVAL_LEN + + SPIDER_SQL_FROM_DUAL_LEN + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2) + ) + goto error; + str = &show_last_insert_id[roop_count]; + str->q_append(SPIDER_SQL_SELECT_STR, SPIDER_SQL_SELECT_LEN); + spider_db_oracle_utility.append_name(str, + spider_share->tgt_sequence_names[roop_count], + spider_share->tgt_sequence_names_lengths[roop_count]); + str->q_append(SPIDER_SQL_CURRVAL_STR, SPIDER_SQL_CURRVAL_LEN); + str->q_append(SPIDER_SQL_FROM_DUAL_STR, SPIDER_SQL_FROM_DUAL_LEN); + + if (seq_nm_max_length < + spider_share->tgt_sequence_names_lengths[roop_count]) + { + seq_nm_max_length = + spider_share->tgt_sequence_names_lengths[roop_count]; + } + } + for (roop_count = 0; roop_count < spider_share->all_link_count; + roop_count++) + { + if (spider_share->sql_dbton_ids[roop_count] != dbton_id) + continue; + + if ( + nextval_str[roop_count].reserve( + seq_nm_max_length + + SPIDER_SQL_NEXTVAL_LEN + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2) + ) + goto error; + str = &nextval_str[roop_count]; + spider_db_oracle_utility.append_name(str, + spider_share->tgt_sequence_names[roop_count], + spider_share->tgt_sequence_names_lengths[roop_count]); + str->q_append(SPIDER_SQL_NEXTVAL_STR, SPIDER_SQL_NEXTVAL_LEN); + uint length = + seq_nm_max_length - spider_share->tgt_sequence_names_lengths[roop_count]; + memset((char *) str->ptr() + str->length(), ' ', length); + str->length(str->length() + length); + nextval_max_length = str->length(); + } + DBUG_RETURN(0); + +error: + if (show_last_insert_id) + { + delete [] show_last_insert_id; + show_last_insert_id = NULL; + } + if (nextval_str) + { + delete [] nextval_str; + nextval_str = NULL; + } + DBUG_RETURN(HA_ERR_OUT_OF_MEM); +} + +void spider_oracle_share::free_show_last_insert_id() +{ + DBUG_ENTER("spider_oracle_share::free_show_last_insert_id"); + if (show_last_insert_id) + { + delete [] show_last_insert_id; + show_last_insert_id = NULL; + } + if (nextval_str) + { + delete [] nextval_str; + nextval_str = NULL; + } + DBUG_VOID_RETURN; +} + +int spider_oracle_share::append_show_index() +{ + int roop_count; + spider_string *str; + uint dbton_id = spider_dbton_oracle.dbton_id; + DBUG_ENTER("spider_oracle_share::append_show_index"); + if (!(show_index = new spider_string[2 * spider_share->all_link_count])) + goto error; + + for (roop_count = 0; roop_count < (int) spider_share->all_link_count; + roop_count++) + { + show_index[0 + (2 * roop_count)].init_calc_mem(209); + show_index[1 + (2 * roop_count)].init_calc_mem(210); + if (spider_share->sql_dbton_ids[roop_count] != dbton_id) + continue; + + if ( + show_index[0 + (2 * roop_count)].reserve( + SPIDER_SQL_SHOW_INDEX_LEN + db_names_str[roop_count].length() + + SPIDER_SQL_DOT_LEN + + table_names_str[roop_count].length() + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 4) || + show_index[1 + (2 * roop_count)].reserve( + SPIDER_SQL_SELECT_STATISTICS_LEN + + db_names_str[roop_count].length() + + SPIDER_SQL_AND_LEN + SPIDER_SQL_TABLE_NAME_LEN + SPIDER_SQL_EQUAL_LEN + + table_names_str[roop_count].length() + + ((SPIDER_SQL_VALUE_QUOTE_LEN) * 4) + + SPIDER_SQL_GROUP_LEN + SPIDER_SQL_COLUMN_NAME_LEN) + ) + goto error; + str = &show_index[0 + (2 * roop_count)]; + str->q_append( + SPIDER_SQL_SHOW_INDEX_STR, SPIDER_SQL_SHOW_INDEX_LEN); + append_table_name(str, roop_count); + str = &show_index[1 + (2 * roop_count)]; + str->q_append( + SPIDER_SQL_SELECT_STATISTICS_STR, SPIDER_SQL_SELECT_STATISTICS_LEN); + str->q_append(SPIDER_SQL_VALUE_QUOTE_STR, SPIDER_SQL_VALUE_QUOTE_LEN); + str->q_append(db_names_str[roop_count].ptr(), + db_names_str[roop_count].length()); + str->q_append(SPIDER_SQL_VALUE_QUOTE_STR, SPIDER_SQL_VALUE_QUOTE_LEN); + str->q_append(SPIDER_SQL_AND_STR, SPIDER_SQL_AND_LEN); + str->q_append(SPIDER_SQL_TABLE_NAME_STR, SPIDER_SQL_TABLE_NAME_LEN); + str->q_append(SPIDER_SQL_EQUAL_STR, SPIDER_SQL_EQUAL_LEN); + str->q_append(SPIDER_SQL_VALUE_QUOTE_STR, SPIDER_SQL_VALUE_QUOTE_LEN); + str->q_append(table_names_str[roop_count].ptr(), + table_names_str[roop_count].length()); + str->q_append(SPIDER_SQL_VALUE_QUOTE_STR, SPIDER_SQL_VALUE_QUOTE_LEN); + str->q_append(SPIDER_SQL_GROUP_STR, SPIDER_SQL_GROUP_LEN); + str->q_append(SPIDER_SQL_COLUMN_NAME_STR, SPIDER_SQL_COLUMN_NAME_LEN); + } + DBUG_RETURN(0); + +error: + if (show_index) + { + delete [] show_index; + show_index = NULL; + } + DBUG_RETURN(HA_ERR_OUT_OF_MEM); +} + +void spider_oracle_share::free_show_index() +{ + DBUG_ENTER("spider_oracle_share::free_show_index"); + if (show_index) + { + delete [] show_index; + show_index = NULL; + } + DBUG_VOID_RETURN; +} + +int spider_oracle_share::append_table_select() +{ + Field **field; + uint field_length; + spider_string *str = table_select; + TABLE_SHARE *table_share = spider_share->table_share; + DBUG_ENTER("spider_oracle_share::append_table_select"); + + if (!*table_share->field) + DBUG_RETURN(0); + + for (field = table_share->field; *field; field++) + { + field_length = column_name_str[(*field)->field_index].length(); + if (str->reserve(field_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + append_column_name(str, (*field)->field_index); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + DBUG_RETURN(append_from_with_adjusted_table_name(str, &table_select_pos)); +} + +int spider_oracle_share::append_key_select( + uint idx +) { + KEY_PART_INFO *key_part; + Field *field; + uint part_num; + uint field_length; + spider_string *str = &key_select[idx]; + TABLE_SHARE *table_share = spider_share->table_share; + const KEY *key_info = &table_share->key_info[idx]; + DBUG_ENTER("spider_oracle_share::append_key_select"); + + if (!spider_user_defined_key_parts(key_info)) + DBUG_RETURN(0); + + for (key_part = key_info->key_part, part_num = 0; + part_num < spider_user_defined_key_parts(key_info); key_part++, part_num++) + { + field = key_part->field; + field_length = column_name_str[field->field_index].length(); + if (str->reserve(field_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + append_column_name(str, field->field_index); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + DBUG_RETURN(append_from_with_adjusted_table_name(str, &key_select_pos[idx])); +} + +bool spider_oracle_share::need_change_db_table_name() +{ + DBUG_ENTER("spider_oracle_share::need_change_db_table_name"); + DBUG_RETURN(!same_db_table_name); +} + +#ifdef SPIDER_HAS_DISCOVER_TABLE_STRUCTURE +int spider_oracle_share::discover_table_structure( + SPIDER_TRX *trx, + SPIDER_SHARE *spider_share, + spider_string *str +) { + DBUG_ENTER("spider_oracle_share::discover_table_structure"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(HA_ERR_WRONG_COMMAND); +} +#endif + +spider_oracle_handler::spider_oracle_handler( + ha_spider *spider, + spider_oracle_share *db_share +) : spider_db_handler( + spider, + db_share +), + where_pos(0), + order_pos(0), + limit_pos(0), + table_name_pos(0), + update_set_pos(0), + ha_read_pos(0), + ha_next_pos(0), + ha_where_pos(0), + ha_limit_pos(0), + ha_table_name_pos(0), + insert_pos(0), + insert_table_name_pos(0), + upd_tmp_tbl(NULL), + tmp_sql_pos1(0), + tmp_sql_pos2(0), + tmp_sql_pos3(0), + tmp_sql_pos4(0), + tmp_sql_pos5(0), + table_lock_mode(0), + reading_from_bulk_tmp_table(FALSE), + filled_up(FALSE), + select_rownum_appended(FALSE), + update_rownum_appended(FALSE), + union_table_name_pos_first(NULL), + union_table_name_pos_current(NULL), + oracle_share(db_share), + link_for_hash(NULL) +{ + DBUG_ENTER("spider_oracle_handler::spider_oracle_handler"); + DBUG_PRINT("info",("spider this=%p", this)); + spider_alloc_calc_mem_init(mem_calc, 222); + spider_alloc_calc_mem(spider_current_trx, mem_calc, sizeof(*this)); + DBUG_VOID_RETURN; +} + +spider_oracle_handler::~spider_oracle_handler() +{ + DBUG_ENTER("spider_oracle_handler::~spider_oracle_handler"); + DBUG_PRINT("info",("spider this=%p", this)); + while (union_table_name_pos_first) + { + SPIDER_INT_HLD *tmp_pos = union_table_name_pos_first; + union_table_name_pos_first = tmp_pos->next; + spider_free(spider_current_trx, tmp_pos, MYF(0)); + } + if (link_for_hash) + { + spider_free(spider_current_trx, link_for_hash, MYF(0)); + } + spider_free_mem_calc(spider_current_trx, mem_calc_id, sizeof(*this)); + DBUG_VOID_RETURN; +} + +int spider_oracle_handler::init() +{ + uint roop_count; + THD *thd = spider->wide_handler->trx->thd; + st_spider_share *share = spider->share; + int init_sql_alloc_size = + spider_param_init_sql_alloc_size(thd, share->init_sql_alloc_size); + TABLE *table = spider->get_table(); + DBUG_ENTER("spider_oracle_handler::init"); + DBUG_PRINT("info",("spider this=%p", this)); + sql.init_calc_mem(67); + sql_part.init_calc_mem(68); + sql_part2.init_calc_mem(69); + ha_sql.init_calc_mem(70); + insert_sql.init_calc_mem(72); + update_sql.init_calc_mem(73); + tmp_sql.init_calc_mem(74); + dup_update_sql.init_calc_mem(167); + if ( + (sql.real_alloc(init_sql_alloc_size)) || + (insert_sql.real_alloc(init_sql_alloc_size)) || + (update_sql.real_alloc(init_sql_alloc_size)) || + (tmp_sql.real_alloc(init_sql_alloc_size)) + ) { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + sql.set_charset(share->access_charset); + sql_part.set_charset(share->access_charset); + sql_part2.set_charset(share->access_charset); + ha_sql.set_charset(share->access_charset); + insert_sql.set_charset(share->access_charset); + update_sql.set_charset(share->access_charset); + tmp_sql.set_charset(share->access_charset); + dup_update_sql.set_charset(share->access_charset); + upd_tmp_tbl_prm.init(); + upd_tmp_tbl_prm.field_count = 1; + if (!(link_for_hash = (SPIDER_LINK_FOR_HASH *) + spider_bulk_alloc_mem(spider_current_trx, 223, + __func__, __FILE__, __LINE__, MYF(MY_WME | MY_ZEROFILL), + &link_for_hash, + sizeof(SPIDER_LINK_FOR_HASH) * share->link_count, + &minimum_select_bitmap, + table ? sizeof(uchar) * no_bytes_in_map(table->read_set) : 0, + NullS)) + ) { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + for (roop_count = 0; roop_count < share->link_count; roop_count++) + { + link_for_hash[roop_count].spider = spider; + link_for_hash[roop_count].link_idx = roop_count; + link_for_hash[roop_count].db_table_str = + &oracle_share->db_table_str[roop_count]; +#ifdef SPIDER_HAS_HASH_VALUE_TYPE + link_for_hash[roop_count].db_table_str_hash_value = + oracle_share->db_table_str_hash_value[roop_count]; +#endif + } +#if defined(HS_HAS_SQLCOM) && defined(HAVE_HANDLERSOCKET) + hs_upds.init(); +#endif + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_index_hint( + spider_string *str, + int link_idx, + ulong sql_type + ) +{ + DBUG_ENTER("spider_oracle_handler::append_index_hint"); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_table_name_with_adjusting( + spider_string *str, + int link_idx, + ulong sql_type +) { + int error_num = 0; + DBUG_ENTER("spider_oracle_handler::append_table_name_with_adjusting"); + DBUG_PRINT("info",("spider this=%p", this)); + if (sql_type == SPIDER_SQL_TYPE_HANDLER) + { + str->q_append(spider->m_handler_cid[link_idx], SPIDER_SQL_HANDLER_CID_LEN); + } else { + error_num = oracle_share->append_table_name_with_adjusting(str, + spider->conn_link_idx[link_idx]); + } + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_key_column_types( + const key_range *start_key, + spider_string *str +) { + SPIDER_RESULT_LIST *result_list = &spider->result_list; + KEY *key_info = result_list->key_info; + uint key_name_length, key_count; + key_part_map full_key_part_map = + make_prev_keypart_map(spider_user_defined_key_parts(key_info)); + key_part_map start_key_part_map; + KEY_PART_INFO *key_part; + Field *field; + char tmp_buf[MAX_FIELD_WIDTH]; + spider_string tmp_str(tmp_buf, sizeof(tmp_buf), system_charset_info); + DBUG_ENTER("spider_oracle_handler::append_key_column_types"); + DBUG_PRINT("info",("spider this=%p", this)); + tmp_str.init_calc_mem(227); + + start_key_part_map = start_key->keypart_map & full_key_part_map; + DBUG_PRINT("info", ("spider spider_user_defined_key_parts=%u", + spider_user_defined_key_parts(key_info))); + DBUG_PRINT("info", ("spider full_key_part_map=%lu", full_key_part_map)); + DBUG_PRINT("info", ("spider start_key_part_map=%lu", start_key_part_map)); + + if (!start_key_part_map) + DBUG_RETURN(0); + + for ( + key_part = key_info->key_part, + key_count = 0; + start_key_part_map; + start_key_part_map >>= 1, + key_part++, + key_count++ + ) { + field = key_part->field; + key_name_length = my_sprintf(tmp_buf, (tmp_buf, "c%u", key_count)); + if (str->reserve(key_name_length + SPIDER_SQL_SPACE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(tmp_buf, key_name_length); + str->q_append(SPIDER_SQL_SPACE_STR, SPIDER_SQL_SPACE_LEN); + + if (tmp_str.ptr() != tmp_buf) + tmp_str.set(tmp_buf, sizeof(tmp_buf), system_charset_info); + else + tmp_str.set_charset(system_charset_info); + field->sql_type(*tmp_str.get_str()); + tmp_str.mem_calc(); + str->append(tmp_str); + + if (str->reserve(SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_key_join_columns_for_bka( + const key_range *start_key, + spider_string *str, + const char **table_aliases, + uint *table_alias_lengths +) { + KEY *key_info = spider->result_list.key_info; + uint length, key_name_length, key_count; + key_part_map full_key_part_map = + make_prev_keypart_map(spider_user_defined_key_parts(key_info)); + key_part_map start_key_part_map; + KEY_PART_INFO *key_part; + Field *field; + char tmp_buf[MAX_FIELD_WIDTH]; + bool start_where = ((int) str->length() == where_pos); + DBUG_ENTER("spider_oracle_handler::append_key_join_columns_for_bka"); + DBUG_PRINT("info",("spider this=%p", this)); + start_key_part_map = start_key->keypart_map & full_key_part_map; + DBUG_PRINT("info", ("spider spider_user_defined_key_parts=%u", + spider_user_defined_key_parts(key_info))); + DBUG_PRINT("info", ("spider full_key_part_map=%lu", full_key_part_map)); + DBUG_PRINT("info", ("spider start_key_part_map=%lu", start_key_part_map)); + + if (!start_key_part_map) + DBUG_RETURN(0); + + if (start_where) + { + if (str->reserve(SPIDER_SQL_WHERE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_WHERE_STR, SPIDER_SQL_WHERE_LEN); + } else { + if (str->reserve(SPIDER_SQL_AND_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_AND_STR, SPIDER_SQL_AND_LEN); + } + + for ( + key_part = key_info->key_part, + key_count = 0; + start_key_part_map; + start_key_part_map >>= 1, + key_part++, + key_count++ + ) { + field = key_part->field; + key_name_length = + oracle_share->column_name_str[field->field_index].length(); + length = my_sprintf(tmp_buf, (tmp_buf, "c%u", key_count)); + if (str->reserve(length + table_alias_lengths[0] + key_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + + table_alias_lengths[1] + SPIDER_SQL_PF_EQUAL_LEN + SPIDER_SQL_AND_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(table_aliases[0], table_alias_lengths[0]); + str->q_append(tmp_buf, length); + str->q_append(SPIDER_SQL_PF_EQUAL_STR, SPIDER_SQL_PF_EQUAL_LEN); + str->q_append(table_aliases[1], table_alias_lengths[1]); + oracle_share->append_column_name(str, field->field_index); + str->q_append(SPIDER_SQL_AND_STR, SPIDER_SQL_AND_LEN); + } + str->length(str->length() - SPIDER_SQL_AND_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_tmp_table_and_sql_for_bka( + const key_range *start_key +) { + int error_num; + DBUG_ENTER("spider_oracle_handler::append_tmp_table_and_sql_for_bka"); + DBUG_PRINT("info",("spider this=%p", this)); + char tmp_table_name[MAX_FIELD_WIDTH * 2], + tgt_table_name[MAX_FIELD_WIDTH * 2]; + int tmp_table_name_length; + spider_string tgt_table_name_str(tgt_table_name, MAX_FIELD_WIDTH * 2, + oracle_share->db_names_str[0].charset()); + const char *table_names[2], *table_aliases[2], *table_dot_aliases[2]; + uint table_name_lengths[2], table_alias_lengths[2], + table_dot_alias_lengths[2]; + tgt_table_name_str.init_calc_mem(200); + tgt_table_name_str.length(0); + create_tmp_bka_table_name(tmp_table_name, &tmp_table_name_length, + first_link_idx); + if ((error_num = append_table_name_with_adjusting(&tgt_table_name_str, + first_link_idx, SPIDER_SQL_TYPE_SELECT_SQL))) + { + DBUG_RETURN(error_num); + } + table_names[0] = tmp_table_name; + table_names[1] = tgt_table_name_str.c_ptr_safe(); + table_name_lengths[0] = tmp_table_name_length; + table_name_lengths[1] = tgt_table_name_str.length(); + table_aliases[0] = SPIDER_SQL_A_STR; + table_aliases[1] = SPIDER_SQL_B_STR; + table_alias_lengths[0] = SPIDER_SQL_A_LEN; + table_alias_lengths[1] = SPIDER_SQL_B_LEN; + table_dot_aliases[0] = SPIDER_SQL_A_DOT_STR; + table_dot_aliases[1] = SPIDER_SQL_B_DOT_STR; + table_dot_alias_lengths[0] = SPIDER_SQL_A_DOT_LEN; + table_dot_alias_lengths[1] = SPIDER_SQL_B_DOT_LEN; + if ( + (error_num = append_drop_tmp_bka_table( + &tmp_sql, tmp_table_name, tmp_table_name_length, + &tmp_sql_pos1, &tmp_sql_pos5, TRUE)) || + (error_num = append_create_tmp_bka_table( + start_key, + &tmp_sql, tmp_table_name, + tmp_table_name_length, + &tmp_sql_pos2, spider->share->table_share->table_charset)) || + (error_num = append_insert_tmp_bka_table( + start_key, + &tmp_sql, tmp_table_name, + tmp_table_name_length, &tmp_sql_pos3)) + ) + DBUG_RETURN(error_num); + tmp_sql_pos4 = tmp_sql.length(); + if ((error_num = spider_db_append_select(spider))) + DBUG_RETURN(error_num); + if (sql.reserve(SPIDER_SQL_A_DOT_LEN + SPIDER_SQL_ID_LEN + + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_A_DOT_STR, SPIDER_SQL_A_DOT_LEN); + sql.q_append(SPIDER_SQL_ID_STR, SPIDER_SQL_ID_LEN); + sql.q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + if ( + (error_num = append_select_columns_with_alias(&sql, + SPIDER_SQL_B_DOT_STR, SPIDER_SQL_B_DOT_LEN)) || + (error_num = spider_db_oracle_utility.append_from_with_alias(&sql, + table_names, table_name_lengths, + table_aliases, table_alias_lengths, 2, + &table_name_pos, FALSE)) + ) + DBUG_RETURN(error_num); + if ( + oracle_share->key_hint && + (error_num = spider_db_append_hint_after_table(spider, + &sql, &oracle_share->key_hint[spider->active_index])) + ) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + where_pos = sql.length(); + if ( + (error_num = append_key_join_columns_for_bka( + start_key, &sql, + table_dot_aliases, table_dot_alias_lengths)) || + (error_num = append_condition_part( + SPIDER_SQL_B_DOT_STR, SPIDER_SQL_B_DOT_LEN, + SPIDER_SQL_TYPE_SELECT_SQL, FALSE)) + ) + DBUG_RETURN(error_num); + if (spider->result_list.direct_order_limit) + { + if ((error_num = append_key_order_for_direct_order_limit_with_alias(&sql, + SPIDER_SQL_B_DOT_STR, SPIDER_SQL_B_DOT_LEN))) + DBUG_RETURN(error_num); + } +#ifdef HANDLER_HAS_DIRECT_AGGREGATE + else if (spider->result_list.direct_aggregate) + { + if ((error_num = + append_group_by(&sql, SPIDER_SQL_B_DOT_STR, SPIDER_SQL_B_DOT_LEN))) + DBUG_RETURN(error_num); + } +#endif + + DBUG_RETURN(0); +} + +int spider_oracle_handler::reuse_tmp_table_and_sql_for_bka() +{ + DBUG_ENTER("spider_oracle_handler::reuse_tmp_table_and_sql_for_bka"); + DBUG_PRINT("info",("spider this=%p", this)); + tmp_sql.length(tmp_sql_pos4); + sql.length(limit_pos); + ha_sql.length(ha_limit_pos); + DBUG_RETURN(0); +} + +void spider_oracle_handler::create_tmp_bka_table_name( + char *tmp_table_name, + int *tmp_table_name_length, + int link_idx +) { + uint adjust_length, length; + DBUG_ENTER("spider_oracle_handler::create_tmp_bka_table_name"); + if (spider_param_bka_table_name_type(current_thd, + oracle_share->spider_share-> + bka_table_name_types[spider->conn_link_idx[link_idx]]) == 1) + { + adjust_length = + oracle_share->db_nm_max_length - + oracle_share->db_names_str[spider->conn_link_idx[link_idx]].length() + + oracle_share->table_nm_max_length - + oracle_share->table_names_str[spider->conn_link_idx[link_idx]].length(); + *tmp_table_name_length = oracle_share->db_nm_max_length + + oracle_share->table_nm_max_length; + memset(tmp_table_name, ' ', adjust_length); + tmp_table_name += adjust_length; + memcpy(tmp_table_name, oracle_share->db_names_str[link_idx].c_ptr(), + oracle_share->db_names_str[link_idx].length()); + tmp_table_name += oracle_share->db_names_str[link_idx].length(); + length = my_sprintf(tmp_table_name, (tmp_table_name, + "%s%s%p%s", SPIDER_SQL_DOT_STR, SPIDER_SQL_TMP_BKA_STR, spider, + SPIDER_SQL_UNDERSCORE_STR)); + *tmp_table_name_length += length; + tmp_table_name += length; + memcpy(tmp_table_name, + oracle_share->table_names_str[spider->conn_link_idx[link_idx]].c_ptr(), + oracle_share->table_names_str[spider->conn_link_idx[link_idx]].length()); + } else { + adjust_length = + oracle_share->db_nm_max_length - + oracle_share->db_names_str[spider->conn_link_idx[link_idx]].length(); + *tmp_table_name_length = oracle_share->db_nm_max_length; + memset(tmp_table_name, ' ', adjust_length); + tmp_table_name += adjust_length; + memcpy(tmp_table_name, oracle_share->db_names_str[link_idx].c_ptr(), + oracle_share->db_names_str[link_idx].length()); + tmp_table_name += oracle_share->db_names_str[link_idx].length(); + length = my_sprintf(tmp_table_name, (tmp_table_name, + "%s%s%p", SPIDER_SQL_DOT_STR, SPIDER_SQL_TMP_BKA_STR, spider)); + *tmp_table_name_length += length; + } + DBUG_VOID_RETURN; +} + +int spider_oracle_handler::append_create_tmp_bka_table( + const key_range *start_key, + spider_string *str, + char *tmp_table_name, + int tmp_table_name_length, + int *db_name_pos, + CHARSET_INFO *table_charset +) { + int error_num; + SPIDER_SHARE *share = spider->share; + THD *thd = spider->wide_handler->trx->thd; + char *bka_engine = spider_param_bka_engine(thd, share->bka_engine); + uint bka_engine_length = strlen(bka_engine), + cset_length = strlen(table_charset->csname); + DBUG_ENTER("spider_oracle_handler::append_create_tmp_bka_table"); + if (str->reserve(SPIDER_SQL_CREATE_TMP_LEN + tmp_table_name_length + + SPIDER_SQL_OPEN_PAREN_LEN + SPIDER_SQL_ID_LEN + SPIDER_SQL_ID_TYPE_LEN + + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_CREATE_TMP_STR, SPIDER_SQL_CREATE_TMP_LEN); + *db_name_pos = str->length(); + str->q_append(tmp_table_name, tmp_table_name_length); + str->q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + str->q_append(SPIDER_SQL_ID_STR, SPIDER_SQL_ID_LEN); + str->q_append(SPIDER_SQL_ID_TYPE_STR, SPIDER_SQL_ID_TYPE_LEN); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + if ((error_num = append_key_column_types(start_key, str))) + DBUG_RETURN(error_num); + if (str->reserve(SPIDER_SQL_ENGINE_LEN + bka_engine_length + + SPIDER_SQL_DEF_CHARSET_LEN + cset_length + SPIDER_SQL_SEMICOLON_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_ENGINE_STR, SPIDER_SQL_ENGINE_LEN); + str->q_append(bka_engine, bka_engine_length); + str->q_append(SPIDER_SQL_DEF_CHARSET_STR, SPIDER_SQL_DEF_CHARSET_LEN); + str->q_append(table_charset->csname, cset_length); + str->q_append(SPIDER_SQL_SEMICOLON_STR, SPIDER_SQL_SEMICOLON_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_drop_tmp_bka_table( + spider_string *str, + char *tmp_table_name, + int tmp_table_name_length, + int *db_name_pos, + int *drop_table_end_pos, + bool with_semicolon +) { + DBUG_ENTER("spider_oracle_handler::append_drop_tmp_bka_table"); + if (str->reserve(SPIDER_SQL_DROP_TMP_LEN + tmp_table_name_length + + (with_semicolon ? SPIDER_SQL_SEMICOLON_LEN : 0))) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_DROP_TMP_STR, SPIDER_SQL_DROP_TMP_LEN); + *db_name_pos = str->length(); + str->q_append(tmp_table_name, tmp_table_name_length); + *drop_table_end_pos = str->length(); + if (with_semicolon) + str->q_append(SPIDER_SQL_SEMICOLON_STR, SPIDER_SQL_SEMICOLON_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_insert_tmp_bka_table( + const key_range *start_key, + spider_string *str, + char *tmp_table_name, + int tmp_table_name_length, + int *db_name_pos +) { + int error_num; + DBUG_ENTER("spider_oracle_handler::append_insert_tmp_bka_table"); + if (str->reserve(SPIDER_SQL_INSERT_LEN + SPIDER_SQL_INTO_LEN + + tmp_table_name_length + SPIDER_SQL_OPEN_PAREN_LEN + SPIDER_SQL_ID_LEN + + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_INSERT_STR, SPIDER_SQL_INSERT_LEN); + str->q_append(SPIDER_SQL_INTO_STR, SPIDER_SQL_INTO_LEN); + *db_name_pos = str->length(); + str->q_append(tmp_table_name, tmp_table_name_length); + str->q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + str->q_append(SPIDER_SQL_ID_STR, SPIDER_SQL_ID_LEN); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + if ((error_num = spider_db_append_key_columns(start_key, spider, str))) + DBUG_RETURN(error_num); + if (str->reserve(SPIDER_SQL_CLOSE_PAREN_LEN + SPIDER_SQL_VALUES_LEN + + SPIDER_SQL_OPEN_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, SPIDER_SQL_CLOSE_PAREN_LEN); + str->q_append(SPIDER_SQL_VALUES_STR, SPIDER_SQL_VALUES_LEN); + str->q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_union_table_and_sql_for_bka( + const key_range *start_key +) { + int error_num; + DBUG_ENTER("spider_oracle_handler::append_union_table_and_sql_for_bka"); + DBUG_PRINT("info",("spider this=%p", this)); + char tgt_table_name[MAX_FIELD_WIDTH * 2]; + spider_string tgt_table_name_str(tgt_table_name, MAX_FIELD_WIDTH * 2, + oracle_share->db_names_str[0].charset()); + const char *table_names[2], *table_aliases[2], *table_dot_aliases[2]; + uint table_name_lengths[2], table_alias_lengths[2], + table_dot_alias_lengths[2]; + tgt_table_name_str.init_calc_mem(234); + tgt_table_name_str.length(0); + if ((error_num = append_table_name_with_adjusting(&tgt_table_name_str, + first_link_idx, SPIDER_SQL_TYPE_SELECT_SQL))) + { + DBUG_RETURN(error_num); + } + table_names[0] = ""; + table_names[1] = tgt_table_name_str.c_ptr_safe(); + table_name_lengths[0] = 0; + table_name_lengths[1] = tgt_table_name_str.length(); + table_aliases[0] = SPIDER_SQL_A_STR; + table_aliases[1] = SPIDER_SQL_B_STR; + table_alias_lengths[0] = SPIDER_SQL_A_LEN; + table_alias_lengths[1] = SPIDER_SQL_B_LEN; + table_dot_aliases[0] = SPIDER_SQL_A_DOT_STR; + table_dot_aliases[1] = SPIDER_SQL_B_DOT_STR; + table_dot_alias_lengths[0] = SPIDER_SQL_A_DOT_LEN; + table_dot_alias_lengths[1] = SPIDER_SQL_B_DOT_LEN; + + if ((error_num = spider_db_append_select(spider))) + DBUG_RETURN(error_num); + if (sql.reserve(SPIDER_SQL_A_DOT_LEN + SPIDER_SQL_ID_LEN + + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_A_DOT_STR, SPIDER_SQL_A_DOT_LEN); + sql.q_append(SPIDER_SQL_ID_STR, SPIDER_SQL_ID_LEN); + sql.q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + if ((error_num = append_select_columns_with_alias(&sql, + SPIDER_SQL_B_DOT_STR, SPIDER_SQL_B_DOT_LEN))) + DBUG_RETURN(error_num); + if (sql.reserve(SPIDER_SQL_FROM_LEN + (SPIDER_SQL_OPEN_PAREN_LEN * 2))) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_FROM_STR, SPIDER_SQL_FROM_LEN); + sql.q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + sql.q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + tmp_sql_pos1 = sql.length(); + + if ( + (error_num = spider_db_oracle_utility.append_from_with_alias(&tmp_sql, + table_names, table_name_lengths, + table_aliases, table_alias_lengths, 2, + &table_name_pos, FALSE)) + ) + DBUG_RETURN(error_num); + if ( + oracle_share->key_hint && + (error_num = spider_db_append_hint_after_table(spider, + &tmp_sql, &oracle_share->key_hint[spider->active_index])) + ) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + where_pos = tmp_sql.length(); + if ( + (error_num = append_key_join_columns_for_bka( + start_key, &tmp_sql, + table_dot_aliases, table_dot_alias_lengths)) || + (error_num = append_condition_part( + SPIDER_SQL_B_DOT_STR, SPIDER_SQL_B_DOT_LEN, + SPIDER_SQL_TYPE_TMP_SQL, FALSE)) + ) + DBUG_RETURN(error_num); + if (spider->result_list.direct_order_limit) + { + if ((error_num = append_key_order_for_direct_order_limit_with_alias( + &tmp_sql, SPIDER_SQL_B_DOT_STR, SPIDER_SQL_B_DOT_LEN))) + DBUG_RETURN(error_num); + } +#ifdef HANDLER_HAS_DIRECT_AGGREGATE + else if (spider->result_list.direct_aggregate) + { + if ((error_num = + append_group_by(&tmp_sql, SPIDER_SQL_B_DOT_STR, SPIDER_SQL_B_DOT_LEN))) + DBUG_RETURN(error_num); + } +#endif + + DBUG_RETURN(0); +} + +int spider_oracle_handler::reuse_union_table_and_sql_for_bka() +{ + DBUG_ENTER("spider_oracle_handler::reuse_union_table_and_sql_for_bka"); + DBUG_PRINT("info",("spider this=%p", this)); + sql.length(tmp_sql_pos1); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_insert_for_recovery( + ulong sql_type, + int link_idx +) { + const TABLE *table = spider->get_table(); + SPIDER_SHARE *share = spider->share; + Field **field; + uint field_name_length = 0; + bool add_value = FALSE; + spider_string *insert_sql; + DBUG_ENTER("spider_oracle_handler::append_insert_for_recovery"); + DBUG_PRINT("info",("spider this=%p", this)); + if (sql_type == SPIDER_SQL_TYPE_INSERT_SQL) + { + insert_sql = &spider->result_list.insert_sqls[link_idx]; + insert_sql->length(0); + } else { + insert_sql = &spider->result_list.update_sqls[link_idx]; + } + if (insert_sql->reserve( + SPIDER_SQL_INSERT_LEN + SPIDER_SQL_SQL_IGNORE_LEN + + SPIDER_SQL_INTO_LEN + oracle_share->db_nm_max_length + + SPIDER_SQL_DOT_LEN + oracle_share->table_nm_max_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 4 + SPIDER_SQL_OPEN_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + insert_sql->q_append(SPIDER_SQL_INSERT_STR, SPIDER_SQL_INSERT_LEN); + insert_sql->q_append(SPIDER_SQL_SQL_IGNORE_STR, SPIDER_SQL_SQL_IGNORE_LEN); + insert_sql->q_append(SPIDER_SQL_INTO_STR, SPIDER_SQL_INTO_LEN); + oracle_share->append_table_name(insert_sql, spider->conn_link_idx[link_idx]); + insert_sql->q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + for (field = table->field; *field; field++) + { + field_name_length = + oracle_share->column_name_str[(*field)->field_index].length(); + if (insert_sql->reserve(field_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + oracle_share->append_column_name(insert_sql, (*field)->field_index); + insert_sql->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + if (field_name_length) + insert_sql->length(insert_sql->length() - SPIDER_SQL_COMMA_LEN); + if (insert_sql->reserve(SPIDER_SQL_CLOSE_PAREN_LEN + SPIDER_SQL_VALUES_LEN + + SPIDER_SQL_OPEN_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + insert_sql->q_append(SPIDER_SQL_CLOSE_PAREN_STR, SPIDER_SQL_CLOSE_PAREN_LEN); + insert_sql->q_append(SPIDER_SQL_VALUES_STR, SPIDER_SQL_VALUES_LEN); + insert_sql->q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + for (field = table->field; *field; field++) + { + add_value = TRUE; + if ((*field)->is_null()) + { + if (insert_sql->reserve(SPIDER_SQL_NULL_LEN + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + insert_sql->q_append(SPIDER_SQL_NULL_STR, SPIDER_SQL_NULL_LEN); + } else { + if ( + spider_db_oracle_utility. + append_column_value(spider, insert_sql, *field, NULL, + share->access_charset) || + insert_sql->reserve(SPIDER_SQL_COMMA_LEN) + ) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + insert_sql->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + if (add_value) + insert_sql->length(insert_sql->length() - SPIDER_SQL_COMMA_LEN); + if (insert_sql->reserve(SPIDER_SQL_CLOSE_PAREN_LEN, SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + insert_sql->q_append(SPIDER_SQL_CLOSE_PAREN_STR, SPIDER_SQL_CLOSE_PAREN_LEN); + if (sql_type == SPIDER_SQL_TYPE_INSERT_SQL) + { + exec_insert_sql = insert_sql; + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_update( + const TABLE *table, + my_ptrdiff_t ptr_diff +) { + int error_num; + spider_string *str = &update_sql; + DBUG_ENTER("spider_oracle_handler::append_update"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->length() > 0) + { + if (str->reserve(SPIDER_SQL_SEMICOLON_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SEMICOLON_STR, SPIDER_SQL_SEMICOLON_LEN); + } + + if ( + (error_num = append_update(str, 0)) || + (error_num = append_update_set(str)) || + (error_num = append_update_where(str, table, ptr_diff)) + ) + DBUG_RETURN(error_num); + filled_up = (str->length() >= (uint) spider->result_list.bulk_update_size); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_update( + const TABLE *table, + my_ptrdiff_t ptr_diff, + int link_idx +) { + int error_num; + SPIDER_SHARE *share = spider->share; + spider_string *str = &spider->result_list.update_sqls[link_idx]; + DBUG_ENTER("spider_oracle_handler::append_update"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->length() > 0) + { + if (str->reserve(SPIDER_SQL_SEMICOLON_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SEMICOLON_STR, SPIDER_SQL_SEMICOLON_LEN); + } + + if ( + (error_num = append_update(str, link_idx)) || + (error_num = append_update_set(str)) || + (error_num = append_update_where(str, table, ptr_diff)) + ) + DBUG_RETURN(error_num); + + if ( + spider->pk_update && + share->link_statuses[link_idx] == SPIDER_LINK_STATUS_RECOVERY + ) { + if (str->reserve(SPIDER_SQL_SEMICOLON_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SEMICOLON_STR, SPIDER_SQL_SEMICOLON_LEN); + if ((error_num = append_insert_for_recovery( + SPIDER_SQL_TYPE_UPDATE_SQL, link_idx))) + DBUG_RETURN(error_num); + } + + if (!filled_up) + filled_up = (str->length() >= (uint) spider->result_list.bulk_update_size); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_delete( + const TABLE *table, + my_ptrdiff_t ptr_diff +) { + int error_num; + spider_string *str = &update_sql; + DBUG_ENTER("spider_oracle_handler::append_delete"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->length() > 0) + { + if (str->reserve(SPIDER_SQL_SEMICOLON_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SEMICOLON_STR, SPIDER_SQL_SEMICOLON_LEN); + } + + if ( + (error_num = append_delete(str)) || + (error_num = append_from(str, SPIDER_SQL_TYPE_DELETE_SQL, + first_link_idx)) || + (error_num = append_update_where(str, table, ptr_diff)) + ) + DBUG_RETURN(error_num); + filled_up = (str->length() >= (uint) spider->result_list.bulk_update_size); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_delete( + const TABLE *table, + my_ptrdiff_t ptr_diff, + int link_idx +) { + int error_num; + spider_string *str = &spider->result_list.update_sqls[link_idx]; + DBUG_ENTER("spider_oracle_handler::append_delete"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->length() > 0) + { + if (str->reserve(SPIDER_SQL_SEMICOLON_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SEMICOLON_STR, SPIDER_SQL_SEMICOLON_LEN); + } + + if ( + (error_num = append_delete(str)) || + (error_num = append_from(str, SPIDER_SQL_TYPE_DELETE_SQL, link_idx)) || + (error_num = append_update_where(str, table, ptr_diff)) + ) + DBUG_RETURN(error_num); + if (!filled_up) + filled_up = (str->length() >= (uint) spider->result_list.bulk_update_size); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_insert_part() +{ + int error_num; + DBUG_ENTER("spider_oracle_handler::append_insert_part"); + DBUG_PRINT("info",("spider this=%p", this)); + error_num = append_insert(&insert_sql, 0); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_insert( + spider_string *str, + int link_idx +) { + DBUG_ENTER("spider_oracle_handler::append_insert"); + if (str->reserve(SPIDER_SQL_INSERT_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_INSERT_STR, SPIDER_SQL_INSERT_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_update_part() +{ + int error_num; + DBUG_ENTER("spider_oracle_handler::append_update_part"); + DBUG_PRINT("info",("spider this=%p", this)); + error_num = append_update(&update_sql, 0); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_update( + spider_string *str, + int link_idx +) { + DBUG_ENTER("spider_oracle_handler::append_update"); + if (str->reserve(SPIDER_SQL_UPDATE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_UPDATE_STR, SPIDER_SQL_UPDATE_LEN); + if (str->reserve(oracle_share->db_nm_max_length + + SPIDER_SQL_DOT_LEN + oracle_share->table_nm_max_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 4)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + table_name_pos = str->length(); + append_table_name_with_adjusting(str, link_idx, SPIDER_SQL_TYPE_UPDATE_SQL); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_delete_part() +{ + int error_num; + DBUG_ENTER("spider_oracle_handler::append_delete_part"); + DBUG_PRINT("info",("spider this=%p", this)); + error_num = append_delete(&update_sql); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_delete( + spider_string *str +) { + DBUG_ENTER("spider_oracle_handler::append_delete"); + if (str->reserve(SPIDER_SQL_DELETE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_DELETE_STR, SPIDER_SQL_DELETE_LEN); + str->length(str->length() - 1); + DBUG_RETURN(0); +} + +#if defined(HS_HAS_SQLCOM) && defined(HAVE_HANDLERSOCKET) +#ifdef HANDLER_HAS_DIRECT_UPDATE_ROWS +int spider_oracle_handler::append_increment_update_set_part() +{ + int error_num; + DBUG_ENTER("spider_oracle_handler::append_increment_update_set_part"); + DBUG_PRINT("info",("spider this=%p", this)); + error_num = append_increment_update_set(&update_sql); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_increment_update_set( + spider_string *str +) { + uint field_name_length; + uint roop_count; + Field *field; + DBUG_ENTER("spider_oracle_handler::append_increment_update_set"); + if (str->reserve(SPIDER_SQL_SET_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SET_STR, SPIDER_SQL_SET_LEN); + const SPIDER_HS_STRING_REF *value = hs_upds.ptr(); + for (roop_count = 0; roop_count < hs_upds.size(); + roop_count++) + { + DBUG_PRINT("info",("spider value_size[%u]=%zu", roop_count, + value[roop_count].size())); +#ifndef DBUG_OFF + char print_buf[MAX_FIELD_WIDTH]; + if (value[roop_count].size() < MAX_FIELD_WIDTH) + { + memcpy(print_buf, value[roop_count].begin(), value[roop_count].size()); + print_buf[value[roop_count].size()] = '\0'; + DBUG_PRINT("info",("spider value[%u]=%s", roop_count, print_buf)); + } +#endif + if ( + value[roop_count].size() == 1 && + *(value[roop_count].begin()) == '0' + ) + continue; + + Field *top_table_field = + spider->get_top_table_field(spider->hs_pushed_ret_fields[roop_count]); + if (!(field = spider->field_exchange(top_table_field))) + continue; + field_name_length = + oracle_share->column_name_str[field->field_index].length(); + + if (str->reserve(field_name_length * 2 + /* SPIDER_SQL_NAME_QUOTE_LEN */ + 4 + SPIDER_SQL_EQUAL_LEN + SPIDER_SQL_HS_INCREMENT_LEN + + SPIDER_SQL_COMMA_LEN + value[roop_count].size())) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + + oracle_share->append_column_name(str, field->field_index); + str->q_append(SPIDER_SQL_EQUAL_STR, SPIDER_SQL_EQUAL_LEN); + oracle_share->append_column_name(str, field->field_index); + if (spider->hs_increment) + str->q_append(SPIDER_SQL_HS_INCREMENT_STR, + SPIDER_SQL_HS_INCREMENT_LEN); + else + str->q_append(SPIDER_SQL_HS_DECREMENT_STR, + SPIDER_SQL_HS_DECREMENT_LEN); + str->q_append(value[roop_count].begin(), value[roop_count].size()); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + DBUG_RETURN(0); +} +#endif +#endif + +int spider_oracle_handler::append_update_set_part() +{ + int error_num; + DBUG_ENTER("spider_oracle_handler::append_update_set_part"); + DBUG_PRINT("info",("spider this=%p", this)); + update_set_pos = update_sql.length(); + error_num = append_update_set(&update_sql); + where_pos = update_sql.length(); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_update_set( + spider_string *str +) { + uint field_name_length; + SPIDER_SHARE *share = spider->share; + TABLE *table = spider->get_table(); + Field **fields; + DBUG_ENTER("spider_oracle_handler::append_update_set"); + if (str->reserve(SPIDER_SQL_SET_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SET_STR, SPIDER_SQL_SET_LEN); + for (fields = table->field; *fields; fields++) + { + if (bitmap_is_set(table->write_set, (*fields)->field_index)) + { + field_name_length = + oracle_share->column_name_str[(*fields)->field_index].length(); + if ((*fields)->is_null()) + { + if (str->reserve(field_name_length + /* SPIDER_SQL_NAME_QUOTE_LEN */ + 2 + SPIDER_SQL_EQUAL_LEN + SPIDER_SQL_NULL_LEN + + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + oracle_share->append_column_name(str, (*fields)->field_index); + str->q_append(SPIDER_SQL_EQUAL_STR, SPIDER_SQL_EQUAL_LEN); + str->q_append(SPIDER_SQL_NULL_STR, SPIDER_SQL_NULL_LEN); + } else { + if (str->reserve(field_name_length + /* SPIDER_SQL_NAME_QUOTE_LEN */ + 2 + SPIDER_SQL_EQUAL_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + oracle_share->append_column_name(str, (*fields)->field_index); + str->q_append(SPIDER_SQL_EQUAL_STR, SPIDER_SQL_EQUAL_LEN); +#ifndef DBUG_OFF + my_bitmap_map *tmp_map = dbug_tmp_use_all_columns(table, + table->read_set); +#endif + if ( + spider_db_oracle_utility. + append_column_value(spider, str, *fields, NULL, + share->access_charset) || + str->reserve(SPIDER_SQL_COMMA_LEN) + ) { +#ifndef DBUG_OFF + dbug_tmp_restore_column_map(table->read_set, tmp_map); +#endif + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } +#ifndef DBUG_OFF + dbug_tmp_restore_column_map(table->read_set, tmp_map); +#endif + } + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + } + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + DBUG_RETURN(0); +} + +#ifdef HANDLER_HAS_DIRECT_UPDATE_ROWS +int spider_oracle_handler::append_direct_update_set_part() +{ + int error_num; + DBUG_ENTER("spider_oracle_handler::append_direct_update_set_part"); + DBUG_PRINT("info",("spider this=%p", this)); + update_set_pos = update_sql.length(); + error_num = append_direct_update_set(&update_sql); + where_pos = update_sql.length(); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_direct_update_set( + spider_string *str +) { +#if defined(HS_HAS_SQLCOM) && defined(HAVE_HANDLERSOCKET) + uint field_name_length; + SPIDER_SHARE *share = spider->share; +#ifndef DBUG_OFF + TABLE *table = spider->get_table(); +#endif +#endif + DBUG_ENTER("spider_oracle_handler::append_direct_update_set"); + if ( + spider->direct_update_kinds == SPIDER_SQL_KIND_SQL && + spider->wide_handler->direct_update_fields + ) { + if (str->reserve(SPIDER_SQL_SET_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SET_STR, SPIDER_SQL_SET_LEN); + DBUG_RETURN(append_update_columns(str, NULL, 0)); + } + + if ( + (spider->direct_update_kinds & SPIDER_SQL_KIND_SQL) + ) { +#if defined(HS_HAS_SQLCOM) && defined(HAVE_HANDLERSOCKET) + size_t roop_count; + Field *field; + if (str->reserve(SPIDER_SQL_SET_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SET_STR, SPIDER_SQL_SET_LEN); + for (roop_count = 0; roop_count < spider->hs_pushed_ret_fields_num; + roop_count++) + { + Field *top_table_field = + spider->get_top_table_field(spider->hs_pushed_ret_fields[roop_count]); + if (!(field = spider->field_exchange(top_table_field))) + continue; + field_name_length = + oracle_share->column_name_str[field->field_index].length(); + if (top_table_field->is_null()) + { + if (str->reserve(field_name_length + /* SPIDER_SQL_NAME_QUOTE_LEN */ + 2 + SPIDER_SQL_EQUAL_LEN + SPIDER_SQL_NULL_LEN + + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + oracle_share->append_column_name(str, field->field_index); + str->q_append(SPIDER_SQL_EQUAL_STR, SPIDER_SQL_EQUAL_LEN); + str->q_append(SPIDER_SQL_NULL_STR, SPIDER_SQL_NULL_LEN); + } else { + if (str->reserve(field_name_length + /* SPIDER_SQL_NAME_QUOTE_LEN */ + 2 + SPIDER_SQL_EQUAL_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + oracle_share->append_column_name(str, field->field_index); + str->q_append(SPIDER_SQL_EQUAL_STR, SPIDER_SQL_EQUAL_LEN); +#ifndef DBUG_OFF + my_bitmap_map *tmp_map = dbug_tmp_use_all_columns(table, + table->read_set); +#endif + if ( + spider_db_oracle_utility. + append_column_value(spider, str, top_table_field, NULL, + share->access_charset) || + str->reserve(SPIDER_SQL_COMMA_LEN) + ) { +#ifndef DBUG_OFF + dbug_tmp_restore_column_map(table->read_set, tmp_map); +#endif + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } +#ifndef DBUG_OFF + dbug_tmp_restore_column_map(table->read_set, tmp_map); +#endif + } + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + str->length(str->length() - SPIDER_SQL_COMMA_LEN); +#else + DBUG_ASSERT(0); +#endif + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_dup_update_pushdown_part( + const char *alias, + uint alias_length +) { + int error_num; + DBUG_ENTER("spider_oracle_handler::append_dup_update_pushdown_part"); + DBUG_PRINT("info",("spider this=%p", this)); + dup_update_sql.length(0); + error_num = append_update_columns(&dup_update_sql, alias, alias_length); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_update_columns_part( + const char *alias, + uint alias_length +) { + int error_num; + DBUG_ENTER("spider_oracle_handler::append_update_columns_part"); + DBUG_PRINT("info",("spider this=%p", this)); + error_num = append_update_columns(&update_sql, alias, alias_length); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::check_update_columns_part() +{ + int error_num; + DBUG_ENTER("spider_oracle_handler::check_update_columns_part"); + DBUG_PRINT("info",("spider this=%p", this)); + error_num = append_update_columns(NULL, NULL, 0); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_update_columns( + spider_string *str, + const char *alias, + uint alias_length +) { + int error_num; + List_iterator_fast<Item> fi(*spider->wide_handler->direct_update_fields), + vi(*spider->wide_handler->direct_update_values); + Item *field, *value; + DBUG_ENTER("spider_oracle_handler::append_update_columns"); + while ((field = fi++)) + { + value = vi++; + if ((error_num = spider_db_print_item_type( + (Item *) field, NULL, spider, str, alias, alias_length, + spider_dbton_oracle.dbton_id, FALSE, NULL))) + { + if ( + error_num == ER_SPIDER_COND_SKIP_NUM && + field->type() == Item::FIELD_ITEM && + ((Item_field *) field)->field + ) + continue; + DBUG_RETURN(error_num); + } + if (str) + { + if (str->reserve(SPIDER_SQL_EQUAL_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_EQUAL_STR, SPIDER_SQL_EQUAL_LEN); + } + if ((error_num = spider_db_print_item_type( + (Item *) value, ((Item_field *) field)->field, spider, str, + alias, alias_length, spider_dbton_oracle.dbton_id, FALSE, NULL))) + DBUG_RETURN(error_num); + if (str) + { + if (str->reserve(SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + } + if (str) + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + DBUG_RETURN(0); +/* + error_num = spider_db_append_update_columns(spider, str, + alias, alias_length, spider_dbton_oracle.dbton_id); + DBUG_RETURN(error_num); +*/ +} +#endif + +int spider_oracle_handler::append_select_part( + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_select_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + case SPIDER_SQL_TYPE_HANDLER: + str = &ha_sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_select(str, sql_type); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_select( + spider_string *str, + ulong sql_type +) { + DBUG_ENTER("spider_oracle_handler::append_select"); + if (sql_type == SPIDER_SQL_TYPE_HANDLER) + { + if (str->reserve(SPIDER_SQL_HANDLER_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_HANDLER_STR, SPIDER_SQL_HANDLER_LEN); + } else { + if (str->reserve(SPIDER_SQL_SELECT_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SELECT_STR, SPIDER_SQL_SELECT_LEN); + if (spider->result_list.direct_distinct) + { + if (str->reserve(SPIDER_SQL_DISTINCT_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_DISTINCT_STR, SPIDER_SQL_DISTINCT_LEN); + } + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_table_select_part( + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_table_select_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_table_select(str); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_table_select( + spider_string *str +) { + DBUG_ENTER("spider_oracle_handler::append_table_select"); + table_name_pos = str->length() + oracle_share->table_select_pos; + if (str->append(*(oracle_share->table_select))) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_key_select_part( + ulong sql_type, + uint idx +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_key_select_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_key_select(str, idx); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_key_select( + spider_string *str, + uint idx +) { + DBUG_ENTER("spider_oracle_handler::append_key_select"); + table_name_pos = str->length() + oracle_share->key_select_pos[idx]; + if (str->append(oracle_share->key_select[idx])) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_minimum_select_part( + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_minimum_select_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_minimum_select(str, sql_type); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_minimum_select( + spider_string *str, + ulong sql_type +) { + TABLE *table = spider->get_table(); + Field **field; + int field_length; + bool appended = FALSE; + DBUG_ENTER("spider_oracle_handler::append_minimum_select"); + minimum_select_bitmap_create(); + for (field = table->field; *field; field++) + { + if (minimum_select_bit_is_set((*field)->field_index)) + { +/* + spider_set_bit(minimum_select_bitmap, (*field)->field_index); +*/ + field_length = + oracle_share->column_name_str[(*field)->field_index].length(); + if (str->reserve(field_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + oracle_share->append_column_name(str, (*field)->field_index); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + appended = TRUE; + } + } + if (appended) + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + else { + if (str->reserve(SPIDER_SQL_ONE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_ONE_STR, SPIDER_SQL_ONE_LEN); + } + DBUG_RETURN(append_from(str, sql_type, first_link_idx)); +} + +int spider_oracle_handler::append_table_select_with_alias( + spider_string *str, + const char *alias, + uint alias_length +) { + TABLE *table = spider->get_table(); + Field **field; + int field_length; + DBUG_ENTER("spider_oracle_handler::append_table_select_with_alias"); + for (field = table->field; *field; field++) + { + field_length = + oracle_share->column_name_str[(*field)->field_index].length(); + if (str->reserve(alias_length + field_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(alias, alias_length); + oracle_share->append_column_name(str, (*field)->field_index); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_key_select_with_alias( + spider_string *str, + const KEY *key_info, + const char *alias, + uint alias_length +) { + KEY_PART_INFO *key_part; + Field *field; + uint part_num; + int field_length; + DBUG_ENTER("spider_oracle_handler::append_key_select_with_alias"); + for (key_part = key_info->key_part, part_num = 0; + part_num < spider_user_defined_key_parts(key_info); key_part++, part_num++) + { + field = key_part->field; + field_length = oracle_share->column_name_str[field->field_index].length(); + if (str->reserve(alias_length + field_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(alias, alias_length); + oracle_share->append_column_name(str, field->field_index); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_minimum_select_with_alias( + spider_string *str, + const char *alias, + uint alias_length +) { + TABLE *table = spider->get_table(); + Field **field; + int field_length; + bool appended = FALSE; + DBUG_ENTER("spider_oracle_handler::append_minimum_select_with_alias"); + minimum_select_bitmap_create(); + for (field = table->field; *field; field++) + { + if (minimum_select_bit_is_set((*field)->field_index)) + { +/* + spider_set_bit(minimum_select_bitmap, (*field)->field_index); +*/ + field_length = + oracle_share->column_name_str[(*field)->field_index].length(); + if (str->reserve(alias_length + field_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(alias, alias_length); + oracle_share->append_column_name(str, (*field)->field_index); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + appended = TRUE; + } + } + if (appended) + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + else { + if (str->reserve(SPIDER_SQL_ONE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_ONE_STR, SPIDER_SQL_ONE_LEN); + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_select_columns_with_alias( + spider_string *str, + const char *alias, + uint alias_length +) { + int error_num; + SPIDER_RESULT_LIST *result_list = &spider->result_list; + DBUG_ENTER("spider_oracle_handler::append_select_columns_with_alias"); +#ifdef HANDLER_HAS_DIRECT_AGGREGATE + if ( + result_list->direct_aggregate && + (error_num = append_sum_select(str, alias, alias_length)) + ) + DBUG_RETURN(error_num); +#endif + if ((error_num = append_match_select(str, alias, alias_length))) + DBUG_RETURN(error_num); + if (!spider->select_column_mode) + { + if (result_list->keyread) + DBUG_RETURN(append_key_select_with_alias( + str, result_list->key_info, alias, alias_length)); + else + DBUG_RETURN(append_table_select_with_alias( + str, alias, alias_length)); + } + DBUG_RETURN(append_minimum_select_with_alias(str, alias, alias_length)); +} + +int spider_oracle_handler::append_hint_after_table_part( + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_hint_after_table_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + case SPIDER_SQL_TYPE_TMP_SQL: + str = &sql; + break; + case SPIDER_SQL_TYPE_INSERT_SQL: + case SPIDER_SQL_TYPE_UPDATE_SQL: + case SPIDER_SQL_TYPE_DELETE_SQL: + case SPIDER_SQL_TYPE_BULK_UPDATE_SQL: + str = &update_sql; + break; + case SPIDER_SQL_TYPE_HANDLER: + str = &ha_sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_hint_after_table(str); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_hint_after_table( + spider_string *str +) { + int error_num; + DBUG_ENTER("spider_oracle_handler::append_hint_after_table"); + DBUG_PRINT("info",("spider this=%p", this)); + if ( + oracle_share->key_hint && + (error_num = spider_db_append_hint_after_table(spider, + str, &oracle_share->key_hint[spider->active_index])) + ) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + DBUG_RETURN(0); +} + +void spider_oracle_handler::set_where_pos( + ulong sql_type +) { + DBUG_ENTER("spider_oracle_handler::set_where_pos"); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + case SPIDER_SQL_TYPE_TMP_SQL: + where_pos = sql.length(); + break; + case SPIDER_SQL_TYPE_INSERT_SQL: + case SPIDER_SQL_TYPE_UPDATE_SQL: + case SPIDER_SQL_TYPE_DELETE_SQL: + case SPIDER_SQL_TYPE_BULK_UPDATE_SQL: + where_pos = update_sql.length(); + break; + case SPIDER_SQL_TYPE_HANDLER: + ha_read_pos = ha_sql.length(); + break; + default: + break; + } + DBUG_VOID_RETURN; +} + +void spider_oracle_handler::set_where_to_pos( + ulong sql_type +) { + DBUG_ENTER("spider_oracle_handler::set_where_to_pos"); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + case SPIDER_SQL_TYPE_TMP_SQL: + sql.length(where_pos); + break; + case SPIDER_SQL_TYPE_INSERT_SQL: + case SPIDER_SQL_TYPE_UPDATE_SQL: + case SPIDER_SQL_TYPE_DELETE_SQL: + case SPIDER_SQL_TYPE_BULK_UPDATE_SQL: + update_sql.length(where_pos); + break; + case SPIDER_SQL_TYPE_HANDLER: + ha_sql.length(ha_read_pos); + break; + default: + break; + } + DBUG_VOID_RETURN; +} + +int spider_oracle_handler::check_item_type( + Item *item +) { + int error_num; + DBUG_ENTER("spider_oracle_handler::check_item_type"); + DBUG_PRINT("info",("spider this=%p", this)); + error_num = spider_db_print_item_type(item, NULL, spider, NULL, NULL, 0, + spider_dbton_oracle.dbton_id, FALSE, NULL); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_values_connector_part( + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_values_connector_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + case SPIDER_SQL_TYPE_TMP_SQL: + str = &tmp_sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_values_connector(str); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_values_connector( + spider_string *str +) { + DBUG_ENTER("spider_oracle_handler::append_values_connector"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(SPIDER_SQL_CLOSE_PAREN_LEN + + SPIDER_SQL_COMMA_LEN + SPIDER_SQL_OPEN_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, SPIDER_SQL_CLOSE_PAREN_LEN); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + str->q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_values_terminator_part( + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_values_terminator_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + case SPIDER_SQL_TYPE_TMP_SQL: + str = &tmp_sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_values_terminator(str); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_values_terminator( + spider_string *str +) { + DBUG_ENTER("spider_oracle_handler::append_values_terminator"); + DBUG_PRINT("info",("spider this=%p", this)); + str->length(str->length() - + SPIDER_SQL_COMMA_LEN - SPIDER_SQL_OPEN_PAREN_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_union_table_connector_part( + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_union_table_connector_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + case SPIDER_SQL_TYPE_TMP_SQL: + str = &tmp_sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_union_table_connector(str); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_union_table_connector( + spider_string *str +) { + DBUG_ENTER("spider_oracle_handler::append_union_table_connector"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve((SPIDER_SQL_SPACE_LEN * 2) + SPIDER_SQL_UNION_ALL_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SPACE_STR, SPIDER_SQL_SPACE_LEN); + str->q_append(SPIDER_SQL_UNION_ALL_STR, SPIDER_SQL_UNION_ALL_LEN); + str->q_append(SPIDER_SQL_SPACE_STR, SPIDER_SQL_SPACE_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_union_table_terminator_part( + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_union_table_terminator_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_union_table_terminator(str); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_union_table_terminator( + spider_string *str +) { + DBUG_ENTER("spider_oracle_handler::append_union_table_terminator"); + DBUG_PRINT("info",("spider this=%p", this)); + str->length(str->length() - + ((SPIDER_SQL_SPACE_LEN * 2) + SPIDER_SQL_UNION_ALL_LEN)); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, SPIDER_SQL_CLOSE_PAREN_LEN); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, SPIDER_SQL_CLOSE_PAREN_LEN); + table_name_pos = str->length() + SPIDER_SQL_SPACE_LEN + SPIDER_SQL_A_LEN + + SPIDER_SQL_COMMA_LEN; + if (str->reserve(tmp_sql.length() - SPIDER_SQL_FROM_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(tmp_sql.ptr() + SPIDER_SQL_FROM_LEN, + tmp_sql.length() - SPIDER_SQL_FROM_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_key_column_values_part( + const key_range *start_key, + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_key_column_values_part"); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + case SPIDER_SQL_TYPE_TMP_SQL: + str = &tmp_sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_key_column_values(str, start_key); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_key_column_values( + spider_string *str, + const key_range *start_key +) { + int error_num; + const uchar *ptr; + SPIDER_RESULT_LIST *result_list = &spider->result_list; + SPIDER_SHARE *share = spider->share; + KEY *key_info = result_list->key_info; + uint length; + uint store_length; + key_part_map full_key_part_map = + make_prev_keypart_map(spider_user_defined_key_parts(key_info)); + key_part_map start_key_part_map; + KEY_PART_INFO *key_part; + Field *field; + DBUG_ENTER("spider_oracle_handler::append_key_column_values"); + start_key_part_map = start_key->keypart_map & full_key_part_map; + DBUG_PRINT("info", ("spider spider_user_defined_key_parts=%u", + spider_user_defined_key_parts(key_info))); + DBUG_PRINT("info", ("spider full_key_part_map=%lu", full_key_part_map)); + DBUG_PRINT("info", ("spider start_key_part_map=%lu", start_key_part_map)); + + if (!start_key_part_map) + DBUG_RETURN(0); + + for ( + key_part = key_info->key_part, + length = 0; + start_key_part_map; + start_key_part_map >>= 1, + key_part++, + length += store_length + ) { + store_length = key_part->store_length; + ptr = start_key->key + length; + field = key_part->field; + if ((error_num = spider_db_append_null_value(str, key_part, &ptr))) + { + if (error_num > 0) + DBUG_RETURN(error_num); + } else { + if (spider_db_oracle_utility.append_column_value(spider, str, field, ptr, + share->access_charset)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + + if (str->reserve(SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_key_column_values_with_name_part( + const key_range *start_key, + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_key_column_values_with_name_part"); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + case SPIDER_SQL_TYPE_TMP_SQL: + str = &tmp_sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_key_column_values_with_name(str, start_key); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_key_column_values_with_name( + spider_string *str, + const key_range *start_key +) { + int error_num; + const uchar *ptr; + SPIDER_RESULT_LIST *result_list = &spider->result_list; + SPIDER_SHARE *share = spider->share; + KEY *key_info = result_list->key_info; + uint length; + uint key_name_length, key_count; + uint store_length; + key_part_map full_key_part_map = + make_prev_keypart_map(spider_user_defined_key_parts(key_info)); + key_part_map start_key_part_map; + KEY_PART_INFO *key_part; + Field *field; + char tmp_buf[MAX_FIELD_WIDTH]; + DBUG_ENTER("spider_oracle_handler::append_key_column_values_with_name"); + start_key_part_map = start_key->keypart_map & full_key_part_map; + DBUG_PRINT("info", ("spider spider_user_defined_key_parts=%u", + spider_user_defined_key_parts(key_info))); + DBUG_PRINT("info", ("spider full_key_part_map=%lu", full_key_part_map)); + DBUG_PRINT("info", ("spider start_key_part_map=%lu", start_key_part_map)); + + if (!start_key_part_map) + DBUG_RETURN(0); + + for ( + key_part = key_info->key_part, + length = 0, + key_count = 0; + start_key_part_map; + start_key_part_map >>= 1, + key_part++, + length += store_length, + key_count++ + ) { + store_length = key_part->store_length; + ptr = start_key->key + length; + field = key_part->field; + if ((error_num = spider_db_append_null_value(str, key_part, &ptr))) + { + if (error_num > 0) + DBUG_RETURN(error_num); + } else { + if (spider_db_oracle_utility.append_column_value(spider, str, field, ptr, + share->access_charset)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + + key_name_length = my_sprintf(tmp_buf, (tmp_buf, "c%u", key_count)); + if (str->reserve(SPIDER_SQL_SPACE_LEN + key_name_length + + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SPACE_STR, SPIDER_SQL_SPACE_LEN); + str->q_append(tmp_buf, key_name_length); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_key_where_part( + const key_range *start_key, + const key_range *end_key, + ulong sql_type +) { + int error_num; + spider_string *str, *str_part = NULL, *str_part2 = NULL; + bool set_order; + DBUG_ENTER("spider_oracle_handler::append_key_where_part"); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + set_order = FALSE; + break; + case SPIDER_SQL_TYPE_TMP_SQL: + str = &tmp_sql; + set_order = FALSE; + break; + case SPIDER_SQL_TYPE_INSERT_SQL: + case SPIDER_SQL_TYPE_UPDATE_SQL: + case SPIDER_SQL_TYPE_DELETE_SQL: + case SPIDER_SQL_TYPE_BULK_UPDATE_SQL: + str = &update_sql; + set_order = FALSE; + break; + case SPIDER_SQL_TYPE_HANDLER: + str = &ha_sql; + ha_read_pos = str->length(); + str_part = &sql_part; + str_part2 = &sql_part2; + str_part->length(0); + str_part2->length(0); + set_order = TRUE; + break; + default: + DBUG_RETURN(0); + } + error_num = append_key_where(str, str_part, str_part2, start_key, end_key, + sql_type, set_order); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_key_where( + spider_string *str, + spider_string *str_part, + spider_string *str_part2, + const key_range *start_key, + const key_range *end_key, + ulong sql_type, + bool set_order +) { + int error_num; + DBUG_ENTER("spider_oracle_handler::append_key_where"); + error_num = spider_db_append_key_where_internal(str, str_part, str_part2, + start_key, end_key, spider, set_order, sql_type, + spider_dbton_oracle.dbton_id); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_is_null_part( + ulong sql_type, + KEY_PART_INFO *key_part, + const key_range *key, + const uchar **ptr, + bool key_eq, + bool tgt_final +) { + int error_num; + spider_string *str, *str_part = NULL, *str_part2 = NULL; + DBUG_ENTER("spider_oracle_handler::append_is_null_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + case SPIDER_SQL_TYPE_TMP_SQL: + str = &sql; + break; + case SPIDER_SQL_TYPE_INSERT_SQL: + case SPIDER_SQL_TYPE_UPDATE_SQL: + case SPIDER_SQL_TYPE_DELETE_SQL: + case SPIDER_SQL_TYPE_BULK_UPDATE_SQL: + str = &update_sql; + break; + case SPIDER_SQL_TYPE_HANDLER: + str = &ha_sql; + str_part = &sql_part; + str_part2 = &sql_part2; + break; + default: + DBUG_RETURN(0); + } + error_num = append_is_null(sql_type, str, str_part, str_part2, + key_part, key, ptr, key_eq, tgt_final); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_is_null( + ulong sql_type, + spider_string *str, + spider_string *str_part, + spider_string *str_part2, + KEY_PART_INFO *key_part, + const key_range *key, + const uchar **ptr, + bool key_eq, + bool tgt_final +) { + DBUG_ENTER("spider_oracle_handler::append_is_null"); + DBUG_PRINT("info",("spider this=%p", this)); + if (key_part->null_bit) + { + if (*(*ptr)++) + { + if (sql_type == SPIDER_SQL_TYPE_HANDLER) + { + str = str_part; + if ( + key_eq || + key->flag == HA_READ_KEY_EXACT || + key->flag == HA_READ_KEY_OR_NEXT + ) { + if (str->reserve(SPIDER_SQL_IS_NULL_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_IS_NULL_STR, SPIDER_SQL_IS_NULL_LEN); + } else { + str->length(str->length() - SPIDER_SQL_OPEN_PAREN_LEN); + ha_next_pos = str->length(); + if (str->reserve(SPIDER_SQL_FIRST_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_FIRST_STR, SPIDER_SQL_FIRST_LEN); + spider->result_list.ha_read_kind = 1; + } + str = str_part2; + } + if ( + key_eq || + key->flag == HA_READ_KEY_EXACT || + key->flag == HA_READ_KEY_OR_NEXT + ) { + if (str->reserve(SPIDER_SQL_IS_NULL_LEN + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + + oracle_share->column_name_str[key_part->field->field_index].length())) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + oracle_share->append_column_name(str, key_part->field->field_index); + str->q_append(SPIDER_SQL_IS_NULL_STR, SPIDER_SQL_IS_NULL_LEN); + } else { + if (str->reserve(SPIDER_SQL_IS_NOT_NULL_LEN + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + + oracle_share->column_name_str[key_part->field->field_index].length())) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + oracle_share->append_column_name(str, key_part->field->field_index); + str->q_append(SPIDER_SQL_IS_NOT_NULL_STR, SPIDER_SQL_IS_NOT_NULL_LEN); + } + DBUG_RETURN(-1); + } + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_where_terminator_part( + ulong sql_type, + bool set_order, + int key_count +) { + int error_num; + spider_string *str, *str_part = NULL, *str_part2 = NULL; + DBUG_ENTER("spider_oracle_handler::append_where_terminator_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + case SPIDER_SQL_TYPE_TMP_SQL: + str = &sql; + break; + case SPIDER_SQL_TYPE_INSERT_SQL: + case SPIDER_SQL_TYPE_UPDATE_SQL: + case SPIDER_SQL_TYPE_DELETE_SQL: + case SPIDER_SQL_TYPE_BULK_UPDATE_SQL: + str = &update_sql; + break; + case SPIDER_SQL_TYPE_HANDLER: + str = &ha_sql; + str_part = &sql_part; + str_part2 = &sql_part2; + break; + default: + DBUG_RETURN(0); + } + error_num = append_where_terminator(sql_type, str, str_part, str_part2, + set_order, key_count); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_where_terminator( + ulong sql_type, + spider_string *str, + spider_string *str_part, + spider_string *str_part2, + bool set_order, + int key_count +) { + SPIDER_RESULT_LIST *result_list = &spider->result_list; + DBUG_ENTER("spider_oracle_handler::append_where_terminator"); + DBUG_PRINT("info",("spider this=%p", this)); + if (sql_type != SPIDER_SQL_TYPE_HANDLER) + { + str->length(str->length() - SPIDER_SQL_AND_LEN); + if (!set_order) + result_list->key_order = key_count; + } else { + str_part2->length(str_part2->length() - SPIDER_SQL_AND_LEN); + + str_part->length(str_part->length() - SPIDER_SQL_COMMA_LEN); + if (!result_list->ha_read_kind) + str_part->q_append(SPIDER_SQL_CLOSE_PAREN_STR, + SPIDER_SQL_CLOSE_PAREN_LEN); + if (str->append(*str_part)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + uint clause_length = str->length() - ha_next_pos; + if (clause_length < SPIDER_SQL_NEXT_LEN) + { + int roop_count; + clause_length = SPIDER_SQL_NEXT_LEN - clause_length; + if (str->reserve(clause_length)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + for (roop_count = 0; roop_count < (int) clause_length; roop_count++) + str->q_append(SPIDER_SQL_SPACE_STR, SPIDER_SQL_SPACE_LEN); + } + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_match_where_part( + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_match_where_part"); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + default: + DBUG_ASSERT(0); + DBUG_RETURN(0); + } + error_num = append_match_where(str); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_match_where( + spider_string *str +) { + int error_num; + bool first = TRUE; + st_spider_ft_info *ft_info = spider->ft_first; + DBUG_ENTER("spider_oracle_handler::append_match_where"); + if (spider->ft_current) + { + while (TRUE) + { + if (ft_info->used_in_where) + { + if (first) + { + if (str->reserve(SPIDER_SQL_WHERE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_WHERE_STR, SPIDER_SQL_WHERE_LEN); + first = FALSE; + } + if ((error_num = append_match_against(str, ft_info, NULL, 0))) + DBUG_RETURN(error_num); + if (str->reserve(SPIDER_SQL_AND_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_AND_STR, SPIDER_SQL_AND_LEN); + } + + if (ft_info == spider->ft_current) + break; + ft_info = ft_info->next; + } + if (!first) + str->length(str->length() - SPIDER_SQL_AND_LEN); + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_update_where( + spider_string *str, + const TABLE *table, + my_ptrdiff_t ptr_diff +) { + uint field_name_length; + Field **field; + THD *thd = spider->wide_handler->trx->thd; + SPIDER_SHARE *share = spider->share; + bool no_pk = (table->s->primary_key == MAX_KEY); + DBUG_ENTER("spider_oracle_handler::append_update_where"); + uint str_len_bakup = str->length(); + if (str->reserve(SPIDER_SQL_WHERE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_WHERE_STR, SPIDER_SQL_WHERE_LEN); + if ( + no_pk || + spider_param_use_cond_other_than_pk_for_update(thd) + ) { + for (field = table->field; *field; field++) + { + if ( + no_pk || + bitmap_is_set(table->read_set, (*field)->field_index) + ) { + field_name_length = + oracle_share->column_name_str[(*field)->field_index].length(); + if ((*field)->is_null(ptr_diff)) + { + if (str->reserve(field_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + + SPIDER_SQL_IS_NULL_LEN + SPIDER_SQL_AND_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + oracle_share->append_column_name(str, (*field)->field_index); + str->q_append(SPIDER_SQL_IS_NULL_STR, SPIDER_SQL_IS_NULL_LEN); + } else { + if (str->reserve(field_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + + SPIDER_SQL_EQUAL_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + oracle_share->append_column_name(str, (*field)->field_index); + str->q_append(SPIDER_SQL_EQUAL_STR, SPIDER_SQL_EQUAL_LEN); + (*field)->move_field_offset(ptr_diff); + if ( + spider_db_oracle_utility. + append_column_value(spider, str, *field, NULL, + share->access_charset) || + str->reserve(SPIDER_SQL_AND_LEN) + ) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + (*field)->move_field_offset(-ptr_diff); + } + str->q_append(SPIDER_SQL_AND_STR, SPIDER_SQL_AND_LEN); + } + } + } else { + KEY *key_info = &table->key_info[table->s->primary_key]; + KEY_PART_INFO *key_part; + uint part_num; + for ( + key_part = key_info->key_part, part_num = 0; + part_num < spider_user_defined_key_parts(key_info); + key_part++, part_num++ + ) { + field = &key_part->field; + field_name_length = + oracle_share->column_name_str[(*field)->field_index].length(); + if ((*field)->is_null(ptr_diff)) + { + if (str->reserve(field_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + + SPIDER_SQL_IS_NULL_LEN + SPIDER_SQL_AND_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + oracle_share->append_column_name(str, (*field)->field_index); + str->q_append(SPIDER_SQL_IS_NULL_STR, SPIDER_SQL_IS_NULL_LEN); + } else { + if (str->reserve(field_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + + SPIDER_SQL_EQUAL_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + oracle_share->append_column_name(str, (*field)->field_index); + str->q_append(SPIDER_SQL_EQUAL_STR, SPIDER_SQL_EQUAL_LEN); + (*field)->move_field_offset(ptr_diff); + if ( + spider_db_oracle_utility. + append_column_value(spider, str, *field, NULL, + share->access_charset) || + str->reserve(SPIDER_SQL_AND_LEN) + ) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + (*field)->move_field_offset(-ptr_diff); + } + str->q_append(SPIDER_SQL_AND_STR, SPIDER_SQL_AND_LEN); + } + } + if (str->length() == str_len_bakup + SPIDER_SQL_WHERE_LEN) + { + /* no condition */ + str->length(str_len_bakup); + } else { + str->length(str->length() - SPIDER_SQL_AND_LEN); + } + if (str->reserve(SPIDER_SQL_LIMIT1_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_LIMIT1_STR, SPIDER_SQL_LIMIT1_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_condition_part( + const char *alias, + uint alias_length, + ulong sql_type, + bool test_flg +) { + int error_num; + spider_string *str; + bool start_where = FALSE; + DBUG_ENTER("spider_oracle_handler::append_condition_part"); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + DBUG_PRINT("info",("spider case1 sql_type=%lu", sql_type)); + if (test_flg) + { + str = NULL; + } else { + str = &sql; + start_where = ((int) str->length() == where_pos); + } + break; + case SPIDER_SQL_TYPE_TMP_SQL: + DBUG_PRINT("info",("spider case1 sql_type=%lu", sql_type)); + if (test_flg) + { + str = NULL; + } else { + str = &tmp_sql; + start_where = ((int) str->length() == where_pos); + } + break; + case SPIDER_SQL_TYPE_INSERT_SQL: + case SPIDER_SQL_TYPE_UPDATE_SQL: + case SPIDER_SQL_TYPE_DELETE_SQL: + case SPIDER_SQL_TYPE_BULK_UPDATE_SQL: + DBUG_PRINT("info",("spider case2 sql_type=%lu", sql_type)); + if (test_flg) + { + str = NULL; + } else { + str = &update_sql; + start_where = ((int) str->length() == where_pos); + } + break; + case SPIDER_SQL_TYPE_HANDLER: + DBUG_PRINT("info",("spider case3 sql_type=%lu", sql_type)); + if (test_flg) + { + str = NULL; + } else { + str = &ha_sql; + start_where = TRUE; + if (spider->active_index == MAX_KEY) + { + set_where_pos(SPIDER_SQL_TYPE_HANDLER); + if (str->reserve(SPIDER_SQL_READ_LEN + SPIDER_SQL_FIRST_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_READ_STR, SPIDER_SQL_READ_LEN); + ha_next_pos = str->length(); + str->q_append(SPIDER_SQL_FIRST_STR, SPIDER_SQL_FIRST_LEN); + sql_part2.length(0); + } + ha_where_pos = str->length(); + + if (sql_part2.length()) + { + str->append(sql_part2); + start_where = FALSE; + } + } + break; + default: + DBUG_PRINT("info",("spider default sql_type=%lu", sql_type)); + DBUG_RETURN(0); + } + error_num = append_condition(str, alias, alias_length, start_where, + sql_type); + DBUG_PRINT("info",("spider str=%s", str ? str->c_ptr_safe() : "NULL")); + DBUG_PRINT("info",("spider length=%u", str ? str->length() : 0)); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_condition( + spider_string *str, + const char *alias, + uint alias_length, + bool start_where, + ulong sql_type +) { + int error_num, restart_pos = 0, start_where_pos; + SPIDER_CONDITION *tmp_cond = spider->condition; + DBUG_ENTER("spider_oracle_handler::append_condition"); + DBUG_PRINT("info",("spider str=%p", str)); + DBUG_PRINT("info",("spider alias=%p", alias)); + DBUG_PRINT("info",("spider alias_length=%u", alias_length)); + DBUG_PRINT("info",("spider start_where=%s", start_where ? "TRUE" : "FALSE")); + DBUG_PRINT("info",("spider sql_type=%lu", sql_type)); + if (str && start_where) + { + start_where_pos = str->length(); + } else { + start_where_pos = 0; + } + + if (spider->is_clone && !tmp_cond) + { + tmp_cond = spider->pt_clone_source_handler->condition; + } + + while (tmp_cond) + { + if (str) + { + restart_pos = str->length(); + if (start_where) + { + if (str->reserve(SPIDER_SQL_WHERE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_WHERE_STR, SPIDER_SQL_WHERE_LEN); + start_where = FALSE; + } else { + if (str->reserve(SPIDER_SQL_AND_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_AND_STR, SPIDER_SQL_AND_LEN); + } + } + if ((error_num = spider_db_print_item_type( + (Item *) tmp_cond->cond, NULL, spider, str, alias, alias_length, + spider_dbton_oracle.dbton_id, FALSE, NULL))) + { + if (str && error_num == ER_SPIDER_COND_SKIP_NUM) + { + DBUG_PRINT("info",("spider COND skip")); + str->length(restart_pos); + start_where = (restart_pos == start_where_pos); + } else + DBUG_RETURN(error_num); + } + tmp_cond = tmp_cond->next; + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_match_against_part( + ulong sql_type, + st_spider_ft_info *ft_info, + const char *alias, + uint alias_length +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_match_against_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_match_against(str, ft_info, alias, alias_length); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_match_against( + spider_string *str, + st_spider_ft_info *ft_info, + const char *alias, + uint alias_length +) { + SPIDER_SHARE *share = spider->share; + TABLE *table = spider->get_table(); + String *ft_init_key; + KEY *key_info; + uint key_name_length; + int key_count; + KEY_PART_INFO *key_part; + Field *field; + DBUG_ENTER("spider_oracle_handler::append_match_against"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(SPIDER_SQL_MATCH_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_MATCH_STR, SPIDER_SQL_MATCH_LEN); + + ft_init_key = ft_info->key; + key_info = &table->key_info[ft_info->inx]; + DBUG_PRINT("info", ("spider spider_user_defined_key_parts=%u", + spider_user_defined_key_parts(key_info))); + + for ( + key_part = key_info->key_part, + key_count = 0; + key_count < (int) spider_user_defined_key_parts(key_info); + key_part++, + key_count++ + ) { + field = key_part->field; + key_name_length = + oracle_share->column_name_str[field->field_index].length(); + if (alias_length) + { + if (str->reserve(alias_length + key_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(alias, alias_length); + } else { + if (str->reserve(key_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + oracle_share->append_column_name(str, field->field_index); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + if (str->reserve(SPIDER_SQL_AGAINST_LEN + SPIDER_SQL_VALUE_QUOTE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_AGAINST_STR, SPIDER_SQL_AGAINST_LEN); + str->q_append(SPIDER_SQL_VALUE_QUOTE_STR, SPIDER_SQL_VALUE_QUOTE_LEN); + + char buf[MAX_FIELD_WIDTH]; + spider_string tmp_str(buf, MAX_FIELD_WIDTH, share->access_charset); + tmp_str.init_calc_mem(211); + tmp_str.length(0); + if ( + tmp_str.append(ft_init_key->ptr(), ft_init_key->length(), + ft_init_key->charset()) || + str->reserve(tmp_str.length() * 2) || + spider_db_oracle_utility.append_escaped_util(str, tmp_str.get_str()) + ) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + + if (str->reserve( + SPIDER_SQL_VALUE_QUOTE_LEN + SPIDER_SQL_CLOSE_PAREN_LEN + + ((ft_info->flags & FT_BOOL) ? SPIDER_SQL_IN_BOOLEAN_MODE_LEN : 0) + + ((ft_info->flags & FT_EXPAND) ? + SPIDER_SQL_WITH_QUERY_EXPANSION_LEN : 0) + )) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_VALUE_QUOTE_STR, SPIDER_SQL_VALUE_QUOTE_LEN); + if (ft_info->flags & FT_BOOL) + str->q_append(SPIDER_SQL_IN_BOOLEAN_MODE_STR, + SPIDER_SQL_IN_BOOLEAN_MODE_LEN); + if (ft_info->flags & FT_EXPAND) + str->q_append(SPIDER_SQL_WITH_QUERY_EXPANSION_STR, + SPIDER_SQL_WITH_QUERY_EXPANSION_LEN); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, SPIDER_SQL_CLOSE_PAREN_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_match_select_part( + ulong sql_type, + const char *alias, + uint alias_length +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_match_select_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_match_select(str, alias, alias_length); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_match_select( + spider_string *str, + const char *alias, + uint alias_length +) { + int error_num; + DBUG_ENTER("spider_oracle_handler::append_match_select"); + DBUG_PRINT("info",("spider this=%p", this)); + if (spider->ft_current) + { + st_spider_ft_info *ft_info = spider->ft_first; + while (TRUE) + { + if ((error_num = append_match_against(str, ft_info, + alias, alias_length))) + DBUG_RETURN(error_num); + if (str->reserve(SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + if (ft_info == spider->ft_current) + break; + ft_info = ft_info->next; + } + } + DBUG_RETURN(0); +} + +#ifdef HANDLER_HAS_DIRECT_AGGREGATE +int spider_oracle_handler::append_sum_select_part( + ulong sql_type, + const char *alias, + uint alias_length +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_sum_select_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_sum_select(str, alias, alias_length); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_sum_select( + spider_string *str, + const char *alias, + uint alias_length +) { + int error_num; + st_select_lex *select_lex; + DBUG_ENTER("spider_oracle_handler::append_sum_select"); + DBUG_PRINT("info",("spider this=%p", this)); + select_lex = spider_get_select_lex(spider); + JOIN *join = select_lex->join; + Item_sum **item_sum_ptr; + for (item_sum_ptr = join->sum_funcs; *item_sum_ptr; ++item_sum_ptr) + { + if ((error_num = spider_db_oracle_utility.open_item_sum_func(*item_sum_ptr, + spider, str, alias, alias_length, FALSE, NULL))) + { + DBUG_RETURN(error_num); + } + if (str->reserve(SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + DBUG_RETURN(0); +} +#endif + +void spider_oracle_handler::set_order_pos( + ulong sql_type +) { + DBUG_ENTER("spider_oracle_handler::set_order_pos"); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + case SPIDER_SQL_TYPE_TMP_SQL: + order_pos = sql.length(); + break; + case SPIDER_SQL_TYPE_INSERT_SQL: + case SPIDER_SQL_TYPE_UPDATE_SQL: + case SPIDER_SQL_TYPE_DELETE_SQL: + case SPIDER_SQL_TYPE_BULK_UPDATE_SQL: + order_pos = update_sql.length(); + break; + case SPIDER_SQL_TYPE_HANDLER: + ha_next_pos = ha_sql.length(); + break; + default: + DBUG_ASSERT(0); + break; + } + DBUG_VOID_RETURN; +} + +void spider_oracle_handler::set_order_to_pos( + ulong sql_type +) { + DBUG_ENTER("spider_oracle_handler::set_order_to_pos"); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + case SPIDER_SQL_TYPE_TMP_SQL: + sql.length(order_pos); + break; + case SPIDER_SQL_TYPE_INSERT_SQL: + case SPIDER_SQL_TYPE_UPDATE_SQL: + case SPIDER_SQL_TYPE_DELETE_SQL: + case SPIDER_SQL_TYPE_BULK_UPDATE_SQL: + update_sql.length(order_pos); + break; + case SPIDER_SQL_TYPE_HANDLER: + ha_sql.length(ha_next_pos); + break; + default: + DBUG_ASSERT(0); + break; + } + DBUG_VOID_RETURN; +} + +#ifdef HANDLER_HAS_DIRECT_AGGREGATE +int spider_oracle_handler::append_group_by_part( + const char *alias, + uint alias_length, + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_group_by_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + case SPIDER_SQL_TYPE_TMP_SQL: + str = &sql; + break; + case SPIDER_SQL_TYPE_INSERT_SQL: + case SPIDER_SQL_TYPE_UPDATE_SQL: + case SPIDER_SQL_TYPE_DELETE_SQL: + case SPIDER_SQL_TYPE_BULK_UPDATE_SQL: + str = &update_sql; + break; + case SPIDER_SQL_TYPE_HANDLER: + str = &ha_sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_group_by(str, alias, alias_length); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_group_by( + spider_string *str, + const char *alias, + uint alias_length +) { + int error_num; + st_select_lex *select_lex; + DBUG_ENTER("spider_oracle_handler::append_group_by"); + DBUG_PRINT("info",("spider this=%p", this)); + select_lex = spider_get_select_lex(spider); + ORDER *group = (ORDER *) select_lex->group_list.first; + if (group) + { + if (str->reserve(SPIDER_SQL_GROUP_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_GROUP_STR, SPIDER_SQL_GROUP_LEN); + for (; group; group = group->next) + { + if ((error_num = spider_db_print_item_type((*group->item), NULL, spider, + str, alias, alias_length, spider_dbton_oracle.dbton_id, FALSE, NULL))) + { + DBUG_RETURN(error_num); + } + if (str->reserve(SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + } + DBUG_RETURN(0); +} +#endif + +int spider_oracle_handler::append_key_order_for_merge_with_alias_part( + const char *alias, + uint alias_length, + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_key_order_for_merge_with_alias_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + case SPIDER_SQL_TYPE_TMP_SQL: + str = &sql; + break; + case SPIDER_SQL_TYPE_INSERT_SQL: + case SPIDER_SQL_TYPE_UPDATE_SQL: + case SPIDER_SQL_TYPE_DELETE_SQL: + case SPIDER_SQL_TYPE_BULK_UPDATE_SQL: + str = &update_sql; + break; + case SPIDER_SQL_TYPE_HANDLER: + str = &ha_sql; + ha_limit_pos = ha_sql.length(); + break; + default: + DBUG_RETURN(0); + } + error_num = append_key_order_for_merge_with_alias(str, alias, alias_length); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_key_order_for_merge_with_alias( + spider_string *str, + const char *alias, + uint alias_length +) { + /* sort for index merge */ + TABLE *table = spider->get_table(); + int length; + Field *field; + uint key_name_length; + DBUG_ENTER("spider_oracle_handler::append_key_order_for_merge_with_alias"); + DBUG_PRINT("info",("spider this=%p", this)); +#ifdef HANDLER_HAS_DIRECT_AGGREGATE + if (spider->result_list.direct_aggregate) + { + int error_num; + if ((error_num = append_group_by(str, alias, alias_length))) + DBUG_RETURN(error_num); + } +#endif + if ( + spider->result_list.direct_order_limit || + spider->result_list.internal_limit < 9223372036854775807LL || + spider->result_list.split_read < 9223372036854775807LL || + spider->result_list.internal_offset + ) { + if (update_rownum_appended || select_rownum_appended) + { + if (str->reserve(SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SELECT_WRAPPER_TAIL_STR, + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN); + order_pos = str->length(); + limit_pos = str->length(); + DBUG_RETURN(0); + } + sql_part.length(0); + if (str == &update_sql) + { + if (sql_part.reserve(str->length() + SPIDER_SQL_UPDATE_WRAPPER_HEAD_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(str->ptr(), where_pos); + sql_part.q_append(SPIDER_SQL_UPDATE_WRAPPER_HEAD_STR, + SPIDER_SQL_UPDATE_WRAPPER_HEAD_LEN); + } else { + if (sql_part.reserve(str->length() + SPIDER_SQL_SELECT_WRAPPER_HEAD_LEN + + SPIDER_SQL_ROW_NUMBER_HEAD_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_SELECT_WRAPPER_HEAD_STR, + SPIDER_SQL_SELECT_WRAPPER_HEAD_LEN); + sql_part.q_append(str->ptr(), table_name_pos - SPIDER_SQL_FROM_LEN); + sql_part.q_append(SPIDER_SQL_ROW_NUMBER_HEAD_STR, + SPIDER_SQL_ROW_NUMBER_HEAD_LEN); + } + if (table->s->primary_key < MAX_KEY) + { + /* sort by primary key */ + KEY *key_info = &table->key_info[table->s->primary_key]; + KEY_PART_INFO *key_part; + for ( + key_part = key_info->key_part, + length = 1; + length <= (int) spider_user_defined_key_parts(key_info); + key_part++, + length++ + ) { + field = key_part->field; + key_name_length = + oracle_share->column_name_str[field->field_index].length(); + if (sql_part.reserve(alias_length + key_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(alias, alias_length); + oracle_share->append_column_name(&sql_part, field->field_index); + sql_part.q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + } else { + /* sort by all columns */ + Field **fieldp; + for ( + fieldp = table->field, length = 1; + *fieldp; + fieldp++, length++ + ) { + key_name_length = + oracle_share->column_name_str[(*fieldp)->field_index].length(); + if (sql_part.reserve(alias_length + key_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(alias, alias_length); + oracle_share->append_column_name(&sql_part, (*fieldp)->field_index); + sql_part.q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + } + uint pos_diff; + if (str == &update_sql) + { + uint table_name_size = (update_set_pos ? update_set_pos : where_pos) - + table_name_pos; + if (sql_part.reserve(SPIDER_SQL_ROW_NUMBER_TAIL_LEN + + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN + str->length() - where_pos + + SPIDER_SQL_FROM_LEN + table_name_size)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_ROW_NUMBER_TAIL_STR, + SPIDER_SQL_ROW_NUMBER_TAIL_LEN); + sql_part.q_append(SPIDER_SQL_FROM_STR, SPIDER_SQL_FROM_LEN); + sql_part.q_append(str->ptr() + table_name_pos, table_name_size); + pos_diff = sql_part.length() - where_pos; + sql_part.q_append(str->ptr() + where_pos, str->length() - where_pos); + sql_part.q_append(SPIDER_SQL_SELECT_WRAPPER_TAIL_STR, + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN); + update_rownum_appended = TRUE; + } else { + if (sql_part.reserve(SPIDER_SQL_ROW_NUMBER_TAIL_LEN + + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN + str->length() - table_name_pos + + SPIDER_SQL_FROM_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_ROW_NUMBER_TAIL_STR, + SPIDER_SQL_ROW_NUMBER_TAIL_LEN); + pos_diff = sql_part.length() + SPIDER_SQL_FROM_LEN - table_name_pos; + sql_part.q_append(str->ptr() + table_name_pos - SPIDER_SQL_FROM_LEN, + str->length() - table_name_pos + SPIDER_SQL_FROM_LEN); + sql_part.q_append(SPIDER_SQL_SELECT_WRAPPER_TAIL_STR, + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN); + select_rownum_appended = TRUE; + table_name_pos = table_name_pos + pos_diff; + } + if (str->copy(sql_part)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + where_pos = where_pos + pos_diff; + order_pos = str->length(); + limit_pos = str->length(); + DBUG_RETURN(0); + } + if (table->s->primary_key < MAX_KEY) + { + /* sort by primary key */ + KEY *key_info = &table->key_info[table->s->primary_key]; + KEY_PART_INFO *key_part; + for ( + key_part = key_info->key_part, + length = 1; + length <= (int) spider_user_defined_key_parts(key_info); + key_part++, + length++ + ) { + field = key_part->field; + key_name_length = + oracle_share->column_name_str[field->field_index].length(); + if (length == 1) + { + if (str->reserve(SPIDER_SQL_ORDER_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_ORDER_STR, SPIDER_SQL_ORDER_LEN); + } + if (str->reserve(alias_length + key_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(alias, alias_length); + oracle_share->append_column_name(str, field->field_index); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + if (length > 1) + { + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + } + } else { + /* sort by all columns */ + Field **fieldp; + for ( + fieldp = table->field, length = 1; + *fieldp; + fieldp++, length++ + ) { + key_name_length = + oracle_share->column_name_str[(*fieldp)->field_index].length(); + if (length == 1) + { + if (str->reserve(SPIDER_SQL_ORDER_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_ORDER_STR, SPIDER_SQL_ORDER_LEN); + } + if (str->reserve(alias_length + key_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(alias, alias_length); + oracle_share->append_column_name(str, (*fieldp)->field_index); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + if (length > 1) + { + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + } + } + limit_pos = str->length(); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_key_order_for_direct_order_limit_with_alias_part( + const char *alias, + uint alias_length, + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_key_order_for_direct_order_limit_with_alias_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + case SPIDER_SQL_TYPE_TMP_SQL: + str = &sql; + break; + case SPIDER_SQL_TYPE_INSERT_SQL: + case SPIDER_SQL_TYPE_UPDATE_SQL: + case SPIDER_SQL_TYPE_DELETE_SQL: + case SPIDER_SQL_TYPE_BULK_UPDATE_SQL: + str = &update_sql; + break; + case SPIDER_SQL_TYPE_HANDLER: + str = &ha_sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_key_order_for_direct_order_limit_with_alias( + str, alias, alias_length); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_key_order_for_direct_order_limit_with_alias( + spider_string *str, + const char *alias, + uint alias_length +) { + int error_num; + ORDER *order; + st_select_lex *select_lex; + longlong select_limit; + longlong offset_limit; + DBUG_ENTER("spider_oracle_handler::append_key_order_for_direct_order_limit_with_alias"); + DBUG_PRINT("info",("spider this=%p", this)); +#ifdef HANDLER_HAS_DIRECT_AGGREGATE + if (spider->result_list.direct_aggregate) + { + if ((error_num = append_group_by(str, alias, alias_length))) + DBUG_RETURN(error_num); + } +#endif + spider_get_select_limit(spider, &select_lex, &select_limit, + &offset_limit); + if ( + spider->result_list.direct_order_limit || + spider->result_list.internal_limit < 9223372036854775807LL || + spider->result_list.split_read < 9223372036854775807LL || + spider->result_list.internal_offset + ) { + if (update_rownum_appended || select_rownum_appended) + { + if (str->reserve(SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SELECT_WRAPPER_TAIL_STR, + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN); + order_pos = str->length(); + limit_pos = str->length(); + DBUG_RETURN(0); + } + sql_part.length(0); + if (str == &update_sql) + { + if (sql_part.reserve(str->length() + SPIDER_SQL_UPDATE_WRAPPER_HEAD_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(str->ptr(), where_pos); + sql_part.q_append(SPIDER_SQL_UPDATE_WRAPPER_HEAD_STR, + SPIDER_SQL_UPDATE_WRAPPER_HEAD_LEN); + } else { + if (sql_part.reserve(str->length() + SPIDER_SQL_SELECT_WRAPPER_HEAD_LEN + + SPIDER_SQL_ROW_NUMBER_HEAD_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_SELECT_WRAPPER_HEAD_STR, + SPIDER_SQL_SELECT_WRAPPER_HEAD_LEN); + sql_part.q_append(str->ptr(), table_name_pos - SPIDER_SQL_FROM_LEN); + sql_part.q_append(SPIDER_SQL_ROW_NUMBER_HEAD_STR, + SPIDER_SQL_ROW_NUMBER_HEAD_LEN); + } + bool all_desc = TRUE; + if (select_lex->order_list.first) + { + for (order = (ORDER *) select_lex->order_list.first; order; + order = order->next) + { + if ((error_num = + spider_db_print_item_type((*order->item), NULL, spider, &sql_part, + alias, alias_length, spider_dbton_oracle.dbton_id, FALSE, NULL))) + { + DBUG_PRINT("info",("spider error=%d", error_num)); + DBUG_RETURN(error_num); + } + if (SPIDER_order_direction_is_asc(order)) + { + if (sql_part.reserve(SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + all_desc = FALSE; + } else { + if (sql_part.reserve(SPIDER_SQL_DESC_LEN + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_DESC_STR, SPIDER_SQL_DESC_LEN); + sql_part.q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + } + } else { + all_desc = FALSE; + } + uint pos_diff; + if (str == &update_sql) + { + uint table_name_size = (update_set_pos ? update_set_pos : where_pos) - + table_name_pos; + if (all_desc) + { + if (sql_part.reserve(SPIDER_SQL_ROW_NUMBER_DESC_TAIL_LEN + + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN + str->length() - where_pos + + SPIDER_SQL_FROM_LEN + table_name_size)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_ROW_NUMBER_DESC_TAIL_STR, + SPIDER_SQL_ROW_NUMBER_DESC_TAIL_LEN); + } else { + if (sql_part.reserve(SPIDER_SQL_ROW_NUMBER_TAIL_LEN + + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN + str->length() - where_pos + + SPIDER_SQL_FROM_LEN + table_name_size)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_ROW_NUMBER_TAIL_STR, + SPIDER_SQL_ROW_NUMBER_TAIL_LEN); + } + sql_part.q_append(SPIDER_SQL_FROM_STR, SPIDER_SQL_FROM_LEN); + sql_part.q_append(str->ptr() + table_name_pos, table_name_size); + pos_diff = sql_part.length() - where_pos; + sql_part.q_append(str->ptr() + where_pos, str->length() - where_pos); + sql_part.q_append(SPIDER_SQL_SELECT_WRAPPER_TAIL_STR, + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN); + update_rownum_appended = TRUE; + } else { + if (all_desc) + { + if (sql_part.reserve(SPIDER_SQL_ROW_NUMBER_DESC_TAIL_LEN + + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN + str->length() - table_name_pos + + SPIDER_SQL_FROM_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_ROW_NUMBER_DESC_TAIL_STR, + SPIDER_SQL_ROW_NUMBER_DESC_TAIL_LEN); + } else { + if (sql_part.reserve(SPIDER_SQL_ROW_NUMBER_TAIL_LEN + + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN + str->length() - table_name_pos + + SPIDER_SQL_FROM_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_ROW_NUMBER_TAIL_STR, + SPIDER_SQL_ROW_NUMBER_TAIL_LEN); + } + pos_diff = sql_part.length() + SPIDER_SQL_FROM_LEN - table_name_pos; + sql_part.q_append(str->ptr() + table_name_pos - SPIDER_SQL_FROM_LEN, + str->length() - table_name_pos + SPIDER_SQL_FROM_LEN); + sql_part.q_append(SPIDER_SQL_SELECT_WRAPPER_TAIL_STR, + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN); + select_rownum_appended = TRUE; + table_name_pos = table_name_pos + pos_diff; + } + if (str->copy(sql_part)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + where_pos = where_pos + pos_diff; + order_pos = str->length(); + limit_pos = str->length(); + DBUG_RETURN(0); + } + if (select_lex->order_list.first) + { + if (str->reserve(SPIDER_SQL_ORDER_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_ORDER_STR, SPIDER_SQL_ORDER_LEN); + for (order = (ORDER *) select_lex->order_list.first; order; + order = order->next) + { + if ((error_num = + spider_db_print_item_type((*order->item), NULL, spider, str, alias, + alias_length, spider_dbton_oracle.dbton_id, FALSE, NULL))) + { + DBUG_PRINT("info",("spider error=%d", error_num)); + DBUG_RETURN(error_num); + } + if (SPIDER_order_direction_is_asc(order)) + { + if (str->reserve(SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } else { + if (str->reserve(SPIDER_SQL_DESC_LEN + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_DESC_STR, SPIDER_SQL_DESC_LEN); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + } + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + } + limit_pos = str->length(); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_key_order_with_alias_part( + const char *alias, + uint alias_length, + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_key_order_with_alias_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + case SPIDER_SQL_TYPE_TMP_SQL: + str = &sql; + break; + case SPIDER_SQL_TYPE_INSERT_SQL: + case SPIDER_SQL_TYPE_UPDATE_SQL: + case SPIDER_SQL_TYPE_DELETE_SQL: + case SPIDER_SQL_TYPE_BULK_UPDATE_SQL: + str = &update_sql; + break; + case SPIDER_SQL_TYPE_HANDLER: + str = &ha_sql; + error_num = append_key_order_for_handler(str, alias, alias_length); + DBUG_RETURN(error_num); + default: + DBUG_RETURN(0); + } + error_num = append_key_order_with_alias(str, alias, alias_length); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_key_order_for_handler( + spider_string *str, + const char *alias, + uint alias_length +) { + DBUG_ENTER("spider_oracle_handler::append_key_order_for_handler"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_PRINT("info",("spider ha_next_pos=%d", ha_next_pos)); + DBUG_PRINT("info",("spider ha_where_pos=%d", ha_where_pos)); + str->q_append(alias, alias_length); + memset((char *) str->ptr() + str->length(), ' ', + ha_where_pos - ha_next_pos - alias_length); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_key_order_with_alias( + spider_string *str, + const char *alias, + uint alias_length +) { + SPIDER_RESULT_LIST *result_list = &spider->result_list; + KEY *key_info = result_list->key_info; + int length; + KEY_PART_INFO *key_part; + Field *field; + uint key_name_length; + DBUG_ENTER("spider_oracle_handler::append_key_order_with_alias"); + DBUG_PRINT("info",("spider this=%p", this)); +#ifdef HANDLER_HAS_DIRECT_AGGREGATE + if (spider->result_list.direct_aggregate) + { + int error_num; + if ((error_num = append_group_by(str, alias, alias_length))) + DBUG_RETURN(error_num); + } +#endif + if ( + spider->result_list.direct_order_limit || + spider->result_list.internal_limit < 9223372036854775807LL || + spider->result_list.split_read < 9223372036854775807LL || + spider->result_list.internal_offset + ) { + if (update_rownum_appended || select_rownum_appended) + { + if (str->reserve(SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SELECT_WRAPPER_TAIL_STR, + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN); + order_pos = str->length(); + limit_pos = str->length(); + DBUG_RETURN(0); + } + sql_part.length(0); + if (str == &update_sql) + { + if (sql_part.reserve(str->length() + SPIDER_SQL_UPDATE_WRAPPER_HEAD_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(str->ptr(), where_pos); + sql_part.q_append(SPIDER_SQL_UPDATE_WRAPPER_HEAD_STR, + SPIDER_SQL_UPDATE_WRAPPER_HEAD_LEN); + } else { + if (sql_part.reserve(str->length() + SPIDER_SQL_SELECT_WRAPPER_HEAD_LEN + + SPIDER_SQL_ROW_NUMBER_HEAD_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_SELECT_WRAPPER_HEAD_STR, + SPIDER_SQL_SELECT_WRAPPER_HEAD_LEN); + sql_part.q_append(str->ptr(), table_name_pos - SPIDER_SQL_FROM_LEN); + sql_part.q_append(SPIDER_SQL_ROW_NUMBER_HEAD_STR, + SPIDER_SQL_ROW_NUMBER_HEAD_LEN); + } + if (result_list->sorted == TRUE) + { + if (result_list->desc_flg == TRUE) + { + for ( + key_part = key_info->key_part + result_list->key_order, + length = 1; + length + result_list->key_order <= + (int) spider_user_defined_key_parts(key_info) && + length <= result_list->max_order; + key_part++, + length++ + ) { + field = key_part->field; + key_name_length = + oracle_share->column_name_str[field->field_index].length(); + if (key_part->key_part_flag & HA_REVERSE_SORT) + { + if (sql_part.reserve(alias_length + key_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(alias, alias_length); + oracle_share->append_column_name(&sql_part, field->field_index); + sql_part.q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } else { + if (sql_part.reserve(alias_length + key_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + + SPIDER_SQL_DESC_LEN + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(alias, alias_length); + oracle_share->append_column_name(&sql_part, field->field_index); + sql_part.q_append(SPIDER_SQL_DESC_STR, SPIDER_SQL_DESC_LEN); + sql_part.q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + } + } else { + for ( + key_part = key_info->key_part + result_list->key_order, + length = 1; + length + result_list->key_order <= + (int) spider_user_defined_key_parts(key_info) && + length <= result_list->max_order; + key_part++, + length++ + ) { + field = key_part->field; + key_name_length = + oracle_share->column_name_str[field->field_index].length(); + if (key_part->key_part_flag & HA_REVERSE_SORT) + { + if (sql_part.reserve(alias_length + key_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + + SPIDER_SQL_DESC_LEN + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(alias, alias_length); + oracle_share->append_column_name(&sql_part, field->field_index); + sql_part.q_append(SPIDER_SQL_DESC_STR, SPIDER_SQL_DESC_LEN); + sql_part.q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } else { + if (sql_part.reserve(alias_length + key_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(alias, alias_length); + oracle_share->append_column_name(&sql_part, field->field_index); + sql_part.q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + } + } + } + uint pos_diff; + if (str == &update_sql) + { + uint table_name_size = (update_set_pos ? update_set_pos : where_pos) - + table_name_pos; + if (result_list->sorted == TRUE && result_list->desc_flg == TRUE) + { + if (sql_part.reserve(SPIDER_SQL_ROW_NUMBER_DESC_TAIL_LEN + + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN + str->length() - where_pos + + SPIDER_SQL_FROM_LEN + table_name_size)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_ROW_NUMBER_DESC_TAIL_STR, + SPIDER_SQL_ROW_NUMBER_DESC_TAIL_LEN); + } else { + if (sql_part.reserve(SPIDER_SQL_ROW_NUMBER_TAIL_LEN + + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN + str->length() - where_pos + + SPIDER_SQL_FROM_LEN + table_name_size)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_ROW_NUMBER_TAIL_STR, + SPIDER_SQL_ROW_NUMBER_TAIL_LEN); + } + sql_part.q_append(SPIDER_SQL_FROM_STR, SPIDER_SQL_FROM_LEN); + sql_part.q_append(str->ptr() + table_name_pos, + table_name_size); + pos_diff = sql_part.length() - where_pos; + sql_part.q_append(str->ptr() + where_pos, str->length() - where_pos); + sql_part.q_append(SPIDER_SQL_SELECT_WRAPPER_TAIL_STR, + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN); + update_rownum_appended = TRUE; + } else { + if (result_list->sorted == TRUE && result_list->desc_flg == TRUE) + { + if (sql_part.reserve(SPIDER_SQL_ROW_NUMBER_DESC_TAIL_LEN + + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN + str->length() - table_name_pos + + SPIDER_SQL_FROM_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_ROW_NUMBER_DESC_TAIL_STR, + SPIDER_SQL_ROW_NUMBER_DESC_TAIL_LEN); + } else { + if (sql_part.reserve(SPIDER_SQL_ROW_NUMBER_TAIL_LEN + + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN + str->length() - table_name_pos + + SPIDER_SQL_FROM_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_ROW_NUMBER_TAIL_STR, + SPIDER_SQL_ROW_NUMBER_TAIL_LEN); + } + pos_diff = sql_part.length() + SPIDER_SQL_FROM_LEN - table_name_pos; + sql_part.q_append(str->ptr() + table_name_pos - SPIDER_SQL_FROM_LEN, + str->length() - table_name_pos + SPIDER_SQL_FROM_LEN); + sql_part.q_append(SPIDER_SQL_SELECT_WRAPPER_TAIL_STR, + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN); + select_rownum_appended = TRUE; + table_name_pos = table_name_pos + pos_diff; + } + if (str->copy(sql_part)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + where_pos = where_pos + pos_diff; + order_pos = str->length(); + limit_pos = str->length(); + DBUG_RETURN(0); + } + if (result_list->sorted == TRUE) + { + if (result_list->desc_flg == TRUE) + { + for ( + key_part = key_info->key_part + result_list->key_order, + length = 1; + length + result_list->key_order < + (int) spider_user_defined_key_parts(key_info) && + length < result_list->max_order; + key_part++, + length++ + ) { + field = key_part->field; + key_name_length = + oracle_share->column_name_str[field->field_index].length(); + if (length == 1) + { + if (str->reserve(SPIDER_SQL_ORDER_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_ORDER_STR, SPIDER_SQL_ORDER_LEN); + } + if (key_part->key_part_flag & HA_REVERSE_SORT) + { + if (str->reserve(alias_length + key_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(alias, alias_length); + oracle_share->append_column_name(str, field->field_index); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } else { + if (str->reserve(alias_length + key_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + + SPIDER_SQL_DESC_LEN + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(alias, alias_length); + oracle_share->append_column_name(str, field->field_index); + str->q_append(SPIDER_SQL_DESC_STR, SPIDER_SQL_DESC_LEN); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + } + if ( + length + result_list->key_order <= + (int) spider_user_defined_key_parts(key_info) && + length <= result_list->max_order + ) { + field = key_part->field; + key_name_length = + oracle_share->column_name_str[field->field_index].length(); + if (length == 1) + { + if (str->reserve(SPIDER_SQL_ORDER_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_ORDER_STR, SPIDER_SQL_ORDER_LEN); + } + if (key_part->key_part_flag & HA_REVERSE_SORT) + { + if (str->reserve(alias_length + key_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(alias, alias_length); + oracle_share->append_column_name(str, field->field_index); + } else { + if (str->reserve(alias_length + key_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + SPIDER_SQL_DESC_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(alias, alias_length); + oracle_share->append_column_name(str, field->field_index); + str->q_append(SPIDER_SQL_DESC_STR, SPIDER_SQL_DESC_LEN); + } + } + } else { + for ( + key_part = key_info->key_part + result_list->key_order, + length = 1; + length + result_list->key_order < + (int) spider_user_defined_key_parts(key_info) && + length < result_list->max_order; + key_part++, + length++ + ) { + field = key_part->field; + key_name_length = + oracle_share->column_name_str[field->field_index].length(); + if (length == 1) + { + if (str->reserve(SPIDER_SQL_ORDER_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_ORDER_STR, SPIDER_SQL_ORDER_LEN); + } + if (key_part->key_part_flag & HA_REVERSE_SORT) + { + if (str->reserve(alias_length + key_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + + SPIDER_SQL_DESC_LEN + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(alias, alias_length); + oracle_share->append_column_name(str, field->field_index); + str->q_append(SPIDER_SQL_DESC_STR, SPIDER_SQL_DESC_LEN); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } else { + if (str->reserve(alias_length + key_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(alias, alias_length); + oracle_share->append_column_name(str, field->field_index); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + } + if ( + length + result_list->key_order <= + (int) spider_user_defined_key_parts(key_info) && + length <= result_list->max_order + ) { + field = key_part->field; + key_name_length = + oracle_share->column_name_str[field->field_index].length(); + if (length == 1) + { + if (str->reserve(SPIDER_SQL_ORDER_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_ORDER_STR, SPIDER_SQL_ORDER_LEN); + } + if (key_part->key_part_flag & HA_REVERSE_SORT) + { + if (str->reserve(alias_length + key_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + SPIDER_SQL_DESC_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(alias, alias_length); + oracle_share->append_column_name(str, field->field_index); + str->q_append(SPIDER_SQL_DESC_STR, SPIDER_SQL_DESC_LEN); + } else { + if (str->reserve(alias_length + key_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(alias, alias_length); + oracle_share->append_column_name(str, field->field_index); + } + } + } + } + limit_pos = str->length(); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_limit_part( + longlong offset, + longlong limit, + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_limit_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + limit_pos = str->length(); + break; + case SPIDER_SQL_TYPE_TMP_SQL: + str = &tmp_sql; + limit_pos = str->length(); + break; + case SPIDER_SQL_TYPE_INSERT_SQL: + case SPIDER_SQL_TYPE_UPDATE_SQL: + case SPIDER_SQL_TYPE_DELETE_SQL: + case SPIDER_SQL_TYPE_BULK_UPDATE_SQL: + str = &update_sql; + limit_pos = str->length(); + break; + case SPIDER_SQL_TYPE_HANDLER: + str = &ha_sql; + ha_limit_pos = str->length(); + break; + default: + DBUG_RETURN(0); + } + error_num = append_limit(str, offset, limit); + DBUG_PRINT("info",("spider str=%s", str->c_ptr_safe())); + DBUG_PRINT("info",("spider length=%u", str->length())); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::reappend_limit_part( + longlong offset, + longlong limit, + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::reappend_limit_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + str->length(limit_pos); + break; + case SPIDER_SQL_TYPE_TMP_SQL: + str = &tmp_sql; + str->length(limit_pos); + break; + case SPIDER_SQL_TYPE_INSERT_SQL: + case SPIDER_SQL_TYPE_UPDATE_SQL: + case SPIDER_SQL_TYPE_DELETE_SQL: + case SPIDER_SQL_TYPE_BULK_UPDATE_SQL: + str = &update_sql; + str->length(limit_pos); + break; + case SPIDER_SQL_TYPE_HANDLER: + str = &ha_sql; + str->length(ha_limit_pos); + break; + default: + DBUG_RETURN(0); + } + error_num = append_limit(str, offset, limit); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_limit( + spider_string *str, + longlong offset, + longlong limit +) { + char buf[SPIDER_LONGLONG_LEN + 1]; + uint32 length; + DBUG_ENTER("spider_oracle_handler::append_limit"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_PRINT("info", ("spider offset=%lld", offset)); + DBUG_PRINT("info", ("spider limit=%lld", limit)); + if (offset || limit < 9223372036854775807LL) + { + if ((int) str->length() == where_pos) + { + if (offset) + { + int error_num; + if ((error_num = append_key_order_for_direct_order_limit_with_alias( + str, NULL, 0))) + DBUG_RETURN(error_num); + } else { + if (str->reserve(SPIDER_SQL_WHERE_LEN + SPIDER_SQL_ROWNUM_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_WHERE_STR, SPIDER_SQL_WHERE_LEN); + str->q_append(SPIDER_SQL_ROWNUM_STR, SPIDER_SQL_ROWNUM_LEN); + } + } + if (offset) + { + if (str->reserve(SPIDER_SQL_BETWEEN_LEN + SPIDER_SQL_AND_LEN + + ((SPIDER_LONGLONG_LEN) * 2))) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_BETWEEN_STR, SPIDER_SQL_BETWEEN_LEN); + length = (uint32) (my_charset_bin.longlong10_to_str)( + buf, SPIDER_LONGLONG_LEN + 1, -10, offset + 1); + str->q_append(buf, length); + str->q_append(SPIDER_SQL_AND_STR, SPIDER_SQL_AND_LEN); + length = (uint32) (my_charset_bin.longlong10_to_str)( + buf, SPIDER_LONGLONG_LEN + 1, -10, limit + offset); + str->q_append(buf, length); + } else { + if (str->reserve(SPIDER_SQL_HS_LTEQUAL_LEN + + (SPIDER_LONGLONG_LEN))) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_HS_LTEQUAL_STR, SPIDER_SQL_HS_LTEQUAL_LEN); + length = (uint32) (my_charset_bin.longlong10_to_str)( + buf, SPIDER_LONGLONG_LEN + 1, -10, limit); + str->q_append(buf, length); + } + if (update_rownum_appended) + { + if (str->reserve(SPIDER_SQL_CLOSE_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, SPIDER_SQL_CLOSE_PAREN_LEN); + } + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_select_lock_part( + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_select_lock_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_select_lock(str); + DBUG_PRINT("info",("spider str=%s", str->c_ptr_safe())); + DBUG_PRINT("info",("spider length=%u", str->length())); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_select_lock( + spider_string *str +) { + int lock_mode = spider_conn_lock_mode(spider); + DBUG_ENTER("spider_oracle_handler::append_select_lock"); + DBUG_PRINT("info",("spider this=%p", this)); + if (select_rownum_appended) + { + table_lock_mode = lock_mode; + } else { + if (lock_mode == SPIDER_LOCK_MODE_EXCLUSIVE) + { + if (str->reserve(SPIDER_SQL_FOR_UPDATE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_FOR_UPDATE_STR, SPIDER_SQL_FOR_UPDATE_LEN); + } else if (lock_mode == SPIDER_LOCK_MODE_SHARED) + { + if (str->reserve(SPIDER_SQL_FOR_UPDATE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_FOR_UPDATE_STR, SPIDER_SQL_FOR_UPDATE_LEN); + } + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_union_all_start_part( + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_union_all_start_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_union_all_start(str); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_union_all_start( + spider_string *str +) { + DBUG_ENTER("spider_oracle_handler::append_union_all_start"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(SPIDER_SQL_OPEN_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_union_all_part( + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_union_all_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_union_all(str); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_union_all( + spider_string *str +) { + DBUG_ENTER("spider_oracle_handler::append_union_all"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(SPIDER_SQL_UNION_ALL_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_UNION_ALL_STR, SPIDER_SQL_UNION_ALL_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_union_all_end_part( + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_union_all_end_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_union_all_end(str); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_union_all_end( + spider_string *str +) { + DBUG_ENTER("spider_oracle_handler::append_union_all_end"); + DBUG_PRINT("info",("spider this=%p", this)); + str->length(str->length() - + SPIDER_SQL_UNION_ALL_LEN + SPIDER_SQL_CLOSE_PAREN_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_multi_range_cnt_part( + ulong sql_type, + uint multi_range_cnt, + bool with_comma +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_multi_range_cnt_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + case SPIDER_SQL_TYPE_TMP_SQL: + str = &tmp_sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_multi_range_cnt(str, multi_range_cnt, with_comma); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_multi_range_cnt( + spider_string *str, + uint multi_range_cnt, + bool with_comma +) { + int range_cnt_length; + char range_cnt_str[SPIDER_SQL_INT_LEN]; + DBUG_ENTER("spider_oracle_handler::append_multi_range_cnt"); + DBUG_PRINT("info",("spider this=%p", this)); + range_cnt_length = my_sprintf(range_cnt_str, (range_cnt_str, "%u", + multi_range_cnt)); + if (with_comma) + { + if (str->reserve(range_cnt_length + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(range_cnt_str, range_cnt_length); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } else { + if (str->reserve(range_cnt_length)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(range_cnt_str, range_cnt_length); + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_multi_range_cnt_with_name_part( + ulong sql_type, + uint multi_range_cnt +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_multi_range_cnt_with_name_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + case SPIDER_SQL_TYPE_TMP_SQL: + str = &tmp_sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_multi_range_cnt_with_name(str, multi_range_cnt); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_multi_range_cnt_with_name( + spider_string *str, + uint multi_range_cnt +) { + int range_cnt_length; + char range_cnt_str[SPIDER_SQL_INT_LEN]; + DBUG_ENTER("spider_oracle_handler::append_multi_range_cnt_with_name"); + DBUG_PRINT("info",("spider this=%p", this)); + range_cnt_length = my_sprintf(range_cnt_str, (range_cnt_str, "%u", + multi_range_cnt)); + if (str->reserve(range_cnt_length + SPIDER_SQL_SPACE_LEN + + SPIDER_SQL_ID_LEN + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(range_cnt_str, range_cnt_length); + str->q_append(SPIDER_SQL_SPACE_STR, SPIDER_SQL_SPACE_LEN); + str->q_append(SPIDER_SQL_ID_STR, SPIDER_SQL_ID_LEN); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_open_handler_part( + ulong sql_type, + uint handler_id, + SPIDER_CONN *conn, + int link_idx +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_open_handler_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_HANDLER: + str = &ha_sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_open_handler(str, handler_id, conn, link_idx); + exec_ha_sql = str; + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_open_handler( + spider_string *str, + uint handler_id, + SPIDER_CONN *conn, + int link_idx +) { + int error_num; + DBUG_ENTER("spider_oracle_handler::append_open_handler"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_PRINT("info",("spider link_idx=%d", link_idx)); + DBUG_PRINT("info",("spider m_handler_cid=%s", + spider->m_handler_cid[link_idx])); + if (str->reserve(SPIDER_SQL_HANDLER_LEN)) + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + str->q_append(SPIDER_SQL_HANDLER_STR, SPIDER_SQL_HANDLER_LEN); + if ((error_num = oracle_share->append_table_name(str, + spider->conn_link_idx[link_idx]))) + DBUG_RETURN(error_num); + if (str->reserve(SPIDER_SQL_OPEN_LEN + SPIDER_SQL_AS_LEN + + SPIDER_SQL_HANDLER_CID_LEN)) + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + str->q_append(SPIDER_SQL_OPEN_STR, SPIDER_SQL_OPEN_LEN); + str->q_append(SPIDER_SQL_AS_STR, SPIDER_SQL_AS_LEN); + str->q_append(spider->m_handler_cid[link_idx], SPIDER_SQL_HANDLER_CID_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_close_handler_part( + ulong sql_type, + int link_idx +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_close_handler_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_HANDLER: + str = &ha_sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_close_handler(str, link_idx); + exec_ha_sql = str; + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_close_handler( + spider_string *str, + int link_idx +) { + DBUG_ENTER("spider_oracle_handler::append_close_handler"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(SPIDER_SQL_HANDLER_LEN + SPIDER_SQL_CLOSE_LEN + + SPIDER_SQL_HANDLER_CID_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_HANDLER_STR, SPIDER_SQL_HANDLER_LEN); + str->q_append(spider->m_handler_cid[link_idx], + SPIDER_SQL_HANDLER_CID_LEN); + str->q_append(SPIDER_SQL_CLOSE_STR, SPIDER_SQL_CLOSE_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_insert_terminator_part( + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_insert_terminator_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_INSERT_SQL: + str = &insert_sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_insert_terminator(str); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_insert_terminator( + spider_string *str +) { + DBUG_ENTER("spider_oracle_handler::append_insert_terminator"); + DBUG_PRINT("info",("spider this=%p", this)); + if (spider->result_list.insert_dup_update_pushdown) + { + DBUG_PRINT("info",("spider add duplicate key update")); + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + if (str->reserve(SPIDER_SQL_DUPLICATE_KEY_UPDATE_LEN + + dup_update_sql.length())) + { + str->length(0); + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + str->q_append(SPIDER_SQL_DUPLICATE_KEY_UPDATE_STR, + SPIDER_SQL_DUPLICATE_KEY_UPDATE_LEN); + if (str->append(dup_update_sql)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } else { + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_insert_values_part( + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_insert_values_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_INSERT_SQL: + str = &insert_sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_insert_values(str); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_insert_values( + spider_string *str +) { + SPIDER_SHARE *share = spider->share; + TABLE *table = spider->get_table(); + Field **field; + bool add_value = FALSE; + DBUG_ENTER("spider_oracle_handler::append_insert_values"); + DBUG_PRINT("info",("spider this=%p", this)); + nextval_pos = 0; + if (str->reserve(SPIDER_SQL_OPEN_PAREN_LEN)) + { + str->length(0); + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + str->q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + for (field = table->field; *field; field++) + { + DBUG_PRINT("info",("spider field_index=%u", (*field)->field_index)); + if ( + bitmap_is_set(table->write_set, (*field)->field_index) || + bitmap_is_set(table->read_set, (*field)->field_index) + ) { +#ifndef DBUG_OFF + my_bitmap_map *tmp_map = + dbug_tmp_use_all_columns(table, table->read_set); +#endif + add_value = TRUE; + DBUG_PRINT("info",("spider is_null()=%s", + (*field)->is_null() ? "TRUE" : "FALSE")); + DBUG_PRINT("info",("spider table->next_number_field=%p", + table->next_number_field)); + DBUG_PRINT("info",("spider *field=%p", *field)); + DBUG_PRINT("info",("spider force_auto_increment=%s", + (table->next_number_field && spider->force_auto_increment) ? + "TRUE" : "FALSE")); + if ( + table->next_number_field == *field && + !table->auto_increment_field_not_null && + !spider->force_auto_increment + ) { + nextval_pos = str->length(); + if (str->reserve(oracle_share->nextval_max_length + + SPIDER_SQL_COMMA_LEN)) + { +#ifndef DBUG_OFF + dbug_tmp_restore_column_map(table->read_set, tmp_map); +#endif + str->length(0); + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + str->length(str->length() + oracle_share->nextval_max_length); + } else if ((*field)->is_null()) + { + if (str->reserve(SPIDER_SQL_NULL_LEN + SPIDER_SQL_COMMA_LEN)) + { +#ifndef DBUG_OFF + dbug_tmp_restore_column_map(table->read_set, tmp_map); +#endif + str->length(0); + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + str->q_append(SPIDER_SQL_NULL_STR, SPIDER_SQL_NULL_LEN); + } else { + if ( + spider_db_oracle_utility. + append_column_value(spider, str, *field, NULL, + share->access_charset) || + str->reserve(SPIDER_SQL_COMMA_LEN) + ) { +#ifndef DBUG_OFF + dbug_tmp_restore_column_map(table->read_set, tmp_map); +#endif + str->length(0); + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + } + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); +#ifndef DBUG_OFF + dbug_tmp_restore_column_map(table->read_set, tmp_map); +#endif + } + } + if (add_value) + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + if (str->reserve(SPIDER_SQL_CLOSE_PAREN_LEN + SPIDER_SQL_COMMA_LEN)) + { + str->length(0); + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, SPIDER_SQL_CLOSE_PAREN_LEN); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_into_part( + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_into_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_INSERT_SQL: + str = &insert_sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_into(str); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_into( + spider_string *str +) { + const TABLE *table = spider->get_table(); + Field **field; + uint field_name_length = 0; + DBUG_ENTER("spider_oracle_handler::append_into"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(SPIDER_SQL_INTO_LEN + oracle_share->db_nm_max_length + + SPIDER_SQL_DOT_LEN + oracle_share->table_nm_max_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 4 + SPIDER_SQL_OPEN_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_INTO_STR, SPIDER_SQL_INTO_LEN); + insert_table_name_pos = str->length(); + append_table_name_with_adjusting(str, first_link_idx, + SPIDER_SQL_TYPE_INSERT_SQL); + str->q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + for (field = table->field; *field; field++) + { + if ( + bitmap_is_set(table->write_set, (*field)->field_index) || + bitmap_is_set(table->read_set, (*field)->field_index) + ) { + field_name_length = + oracle_share->column_name_str[(*field)->field_index].length(); + if (str->reserve(field_name_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + oracle_share->append_column_name(str, (*field)->field_index); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + } + if (field_name_length) + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + if (str->reserve(SPIDER_SQL_CLOSE_PAREN_LEN + SPIDER_SQL_VALUES_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, SPIDER_SQL_CLOSE_PAREN_LEN); + str->q_append(SPIDER_SQL_VALUES_STR, SPIDER_SQL_VALUES_LEN); + insert_pos = str->length(); + DBUG_RETURN(0); +} + +void spider_oracle_handler::set_insert_to_pos( + ulong sql_type +) { + DBUG_ENTER("spider_oracle_handler::set_insert_to_pos"); + switch (sql_type) + { + case SPIDER_SQL_TYPE_INSERT_SQL: + insert_sql.length(insert_pos); + break; + default: + DBUG_ASSERT(0); + break; + } + DBUG_VOID_RETURN; +} + +int spider_oracle_handler::append_from_part( + ulong sql_type, + int link_idx +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_from_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_HANDLER: + str = &ha_sql; + break; + case SPIDER_SQL_TYPE_UPDATE_SQL: + case SPIDER_SQL_TYPE_DELETE_SQL: + case SPIDER_SQL_TYPE_BULK_UPDATE_SQL: + str = &update_sql; + break; + default: + str = &sql; + break; + } + error_num = append_from(str, sql_type, link_idx); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_from( + spider_string *str, + ulong sql_type, + int link_idx +) { + DBUG_ENTER("spider_oracle_handler::append_from"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_PRINT("info",("spider link_idx=%d", link_idx)); + if (sql_type == SPIDER_SQL_TYPE_HANDLER) + { + ha_table_name_pos = str->length(); + DBUG_PRINT("info",("spider ha_table_name_pos=%u", ha_table_name_pos)); + ha_sql_handler_id = spider->m_handler_id[link_idx]; + DBUG_PRINT("info",("spider ha_sql_handler_id=%u", ha_sql_handler_id)); + if (str->reserve(SPIDER_SQL_HANDLER_CID_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(spider->m_handler_cid[link_idx], SPIDER_SQL_HANDLER_CID_LEN); + DBUG_PRINT("info",("spider m_handler_cid=%s", + spider->m_handler_cid[link_idx])); + } else { + if (str->reserve(SPIDER_SQL_FROM_LEN + oracle_share->db_nm_max_length + + SPIDER_SQL_DOT_LEN + oracle_share->table_nm_max_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 4 + SPIDER_SQL_OPEN_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_FROM_STR, SPIDER_SQL_FROM_LEN); + table_name_pos = str->length(); + append_table_name_with_adjusting(str, link_idx, sql_type); + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_flush_tables_part( + ulong sql_type, + int link_idx, + bool lock +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_flush_tables_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_OTHER_SQL: + str = &spider->result_list.sqls[link_idx]; + break; + default: + DBUG_RETURN(0); + } + error_num = append_flush_tables(str, link_idx, lock); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_flush_tables( + spider_string *str, + int link_idx, + bool lock +) { + DBUG_ENTER("spider_oracle_handler::append_flush_tables"); + DBUG_PRINT("info",("spider this=%p", this)); + if (lock) + { + if (str->reserve(SPIDER_SQL_FLUSH_TABLES_LEN + + SPIDER_SQL_WITH_READ_LOCK_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_FLUSH_TABLES_STR, SPIDER_SQL_FLUSH_TABLES_LEN); + str->q_append(SPIDER_SQL_WITH_READ_LOCK_STR, + SPIDER_SQL_WITH_READ_LOCK_LEN); + } else { + if (str->reserve(SPIDER_SQL_FLUSH_TABLES_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_FLUSH_TABLES_STR, SPIDER_SQL_FLUSH_TABLES_LEN); + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_optimize_table_part( + ulong sql_type, + int link_idx +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_optimize_table_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_OTHER_SQL: + str = &spider->result_list.sqls[link_idx]; + break; + default: + DBUG_RETURN(0); + } + error_num = append_optimize_table(str, link_idx); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_optimize_table( + spider_string *str, + int link_idx +) { + SPIDER_SHARE *share = spider->share; + int conn_link_idx = spider->conn_link_idx[link_idx]; + int local_length = spider_param_internal_optimize_local( + spider->wide_handler->trx->thd, + share->internal_optimize_local) * SPIDER_SQL_SQL_LOCAL_LEN; + DBUG_ENTER("spider_oracle_handler::append_optimize_table"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(SPIDER_SQL_SQL_OPTIMIZE_LEN + SPIDER_SQL_SQL_TABLE_LEN + + local_length + + oracle_share->db_names_str[conn_link_idx].length() + + SPIDER_SQL_DOT_LEN + + oracle_share->table_names_str[conn_link_idx].length() + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 4)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SQL_OPTIMIZE_STR, SPIDER_SQL_SQL_OPTIMIZE_LEN); + if (local_length) + str->q_append(SPIDER_SQL_SQL_LOCAL_STR, SPIDER_SQL_SQL_LOCAL_LEN); + str->q_append(SPIDER_SQL_SQL_TABLE_STR, SPIDER_SQL_SQL_TABLE_LEN); + oracle_share->append_table_name(str, conn_link_idx); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_analyze_table_part( + ulong sql_type, + int link_idx +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_analyze_table_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_OTHER_SQL: + str = &spider->result_list.sqls[link_idx]; + break; + default: + DBUG_RETURN(0); + } + error_num = append_analyze_table(str, link_idx); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_analyze_table( + spider_string *str, + int link_idx +) { + SPIDER_SHARE *share = spider->share; + int conn_link_idx = spider->conn_link_idx[link_idx]; + int local_length = spider_param_internal_optimize_local( + spider->wide_handler->trx->thd, + share->internal_optimize_local) * SPIDER_SQL_SQL_LOCAL_LEN; + DBUG_ENTER("spider_oracle_handler::append_analyze_table"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(SPIDER_SQL_SQL_ANALYZE_LEN + SPIDER_SQL_SQL_TABLE_LEN + + local_length + + oracle_share->db_names_str[conn_link_idx].length() + + SPIDER_SQL_DOT_LEN + + oracle_share->table_names_str[conn_link_idx].length() + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 4)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SQL_ANALYZE_STR, SPIDER_SQL_SQL_ANALYZE_LEN); + if (local_length) + str->q_append(SPIDER_SQL_SQL_LOCAL_STR, SPIDER_SQL_SQL_LOCAL_LEN); + str->q_append(SPIDER_SQL_SQL_TABLE_STR, SPIDER_SQL_SQL_TABLE_LEN); + oracle_share->append_table_name(str, conn_link_idx); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_repair_table_part( + ulong sql_type, + int link_idx, + HA_CHECK_OPT* check_opt +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_repair_table_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_OTHER_SQL: + str = &spider->result_list.sqls[link_idx]; + break; + default: + DBUG_RETURN(0); + } + error_num = append_repair_table(str, link_idx, check_opt); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_repair_table( + spider_string *str, + int link_idx, + HA_CHECK_OPT* check_opt +) { + SPIDER_SHARE *share = spider->share; + int conn_link_idx = spider->conn_link_idx[link_idx]; + int local_length = spider_param_internal_optimize_local( + spider->wide_handler->trx->thd, + share->internal_optimize_local) * SPIDER_SQL_SQL_LOCAL_LEN; + DBUG_ENTER("spider_oracle_handler::append_repair_table"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(SPIDER_SQL_SQL_REPAIR_LEN + SPIDER_SQL_SQL_TABLE_LEN + + local_length + + oracle_share->db_names_str[conn_link_idx].length() + + SPIDER_SQL_DOT_LEN + + oracle_share->table_names_str[conn_link_idx].length() + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 4)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SQL_REPAIR_STR, SPIDER_SQL_SQL_REPAIR_LEN); + if (local_length) + str->q_append(SPIDER_SQL_SQL_LOCAL_STR, SPIDER_SQL_SQL_LOCAL_LEN); + str->q_append(SPIDER_SQL_SQL_TABLE_STR, SPIDER_SQL_SQL_TABLE_LEN); + oracle_share->append_table_name(str, conn_link_idx); + if (check_opt->flags & T_QUICK) + { + if (str->reserve(SPIDER_SQL_SQL_QUICK_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SQL_QUICK_STR, SPIDER_SQL_SQL_QUICK_LEN); + } + if (check_opt->flags & T_EXTEND) + { + if (str->reserve(SPIDER_SQL_SQL_EXTENDED_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SQL_EXTENDED_STR, SPIDER_SQL_SQL_EXTENDED_LEN); + } + if (check_opt->sql_flags & TT_USEFRM) + { + if (str->reserve(SPIDER_SQL_SQL_USE_FRM_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SQL_USE_FRM_STR, SPIDER_SQL_SQL_USE_FRM_LEN); + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_check_table_part( + ulong sql_type, + int link_idx, + HA_CHECK_OPT* check_opt +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_check_table_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_OTHER_SQL: + str = &spider->result_list.sqls[link_idx]; + break; + default: + DBUG_RETURN(0); + } + error_num = append_check_table(str, link_idx, check_opt); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_check_table( + spider_string *str, + int link_idx, + HA_CHECK_OPT* check_opt +) { + int conn_link_idx = spider->conn_link_idx[link_idx]; + DBUG_ENTER("spider_oracle_handler::append_check_table"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(SPIDER_SQL_SQL_CHECK_TABLE_LEN + + oracle_share->db_names_str[conn_link_idx].length() + + SPIDER_SQL_DOT_LEN + + oracle_share->table_names_str[conn_link_idx].length() + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 4)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SQL_CHECK_TABLE_STR, + SPIDER_SQL_SQL_CHECK_TABLE_LEN); + oracle_share->append_table_name(str, conn_link_idx); + if (check_opt->flags & T_QUICK) + { + if (str->reserve(SPIDER_SQL_SQL_QUICK_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SQL_QUICK_STR, SPIDER_SQL_SQL_QUICK_LEN); + } + if (check_opt->flags & T_FAST) + { + if (str->reserve(SPIDER_SQL_SQL_FAST_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SQL_FAST_STR, SPIDER_SQL_SQL_FAST_LEN); + } + if (check_opt->flags & T_MEDIUM) + { + if (str->reserve(SPIDER_SQL_SQL_MEDIUM_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SQL_MEDIUM_STR, SPIDER_SQL_SQL_MEDIUM_LEN); + } + if (check_opt->flags & T_EXTEND) + { + if (str->reserve(SPIDER_SQL_SQL_EXTENDED_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SQL_EXTENDED_STR, SPIDER_SQL_SQL_EXTENDED_LEN); + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_enable_keys_part( + ulong sql_type, + int link_idx +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_enable_keys_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_OTHER_SQL: + str = &spider->result_list.sqls[link_idx]; + break; + default: + DBUG_RETURN(0); + } + error_num = append_enable_keys(str, link_idx); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_enable_keys( + spider_string *str, + int link_idx +) { + int conn_link_idx = spider->conn_link_idx[link_idx]; + DBUG_ENTER("spider_oracle_handler::append_enable_keys"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(SPIDER_SQL_SQL_ALTER_TABLE_LEN + + oracle_share->db_names_str[conn_link_idx].length() + + SPIDER_SQL_DOT_LEN + + oracle_share->table_names_str[conn_link_idx].length() + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 4 + SPIDER_SQL_SQL_ENABLE_KEYS_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SQL_ALTER_TABLE_STR, + SPIDER_SQL_SQL_ALTER_TABLE_LEN); + oracle_share->append_table_name(str, conn_link_idx); + str->q_append(SPIDER_SQL_SQL_ENABLE_KEYS_STR, + SPIDER_SQL_SQL_ENABLE_KEYS_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_disable_keys_part( + ulong sql_type, + int link_idx +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_disable_keys_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_OTHER_SQL: + str = &spider->result_list.sqls[link_idx]; + break; + default: + DBUG_RETURN(0); + } + error_num = append_disable_keys(str, link_idx); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_disable_keys( + spider_string *str, + int link_idx +) { + int conn_link_idx = spider->conn_link_idx[link_idx]; + DBUG_ENTER("spider_oracle_handler::append_disable_keys"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(SPIDER_SQL_SQL_ALTER_TABLE_LEN + + oracle_share->db_names_str[conn_link_idx].length() + + SPIDER_SQL_DOT_LEN + + oracle_share->table_names_str[conn_link_idx].length() + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 4 + SPIDER_SQL_SQL_DISABLE_KEYS_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SQL_ALTER_TABLE_STR, + SPIDER_SQL_SQL_ALTER_TABLE_LEN); + oracle_share->append_table_name(str, conn_link_idx); + str->q_append(SPIDER_SQL_SQL_DISABLE_KEYS_STR, + SPIDER_SQL_SQL_DISABLE_KEYS_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_delete_all_rows_part( + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_delete_all_rows_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_DELETE_SQL: + str = &update_sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_delete_all_rows(str, sql_type); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_delete_all_rows( + spider_string *str, + ulong sql_type +) { + int error_num; + DBUG_ENTER("spider_oracle_handler::append_delete_all_rows"); + DBUG_PRINT("info",("spider this=%p", this)); + if (spider->sql_command == SQLCOM_TRUNCATE) + { + if ((error_num = append_truncate(str, sql_type, first_link_idx))) + DBUG_RETURN(error_num); + } else { + if ( + (error_num = append_delete(str)) || + (error_num = append_from(str, sql_type, first_link_idx)) + ) + DBUG_RETURN(error_num); + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_truncate( + spider_string *str, + ulong sql_type, + int link_idx +) { + DBUG_ENTER("spider_oracle_handler::append_truncate"); + if (str->reserve(SPIDER_SQL_TRUNCATE_TABLE_LEN + + oracle_share->db_nm_max_length + + SPIDER_SQL_DOT_LEN + oracle_share->table_nm_max_length + + /* SPIDER_SQL_NAME_QUOTE_LEN */ 4 + SPIDER_SQL_OPEN_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_TRUNCATE_TABLE_STR, SPIDER_SQL_TRUNCATE_TABLE_LEN); + table_name_pos = str->length(); + append_table_name_with_adjusting(str, link_idx, sql_type); + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_explain_select_part( + const key_range *start_key, + const key_range *end_key, + ulong sql_type, + int link_idx +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_explain_select_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_OTHER_SQL: + str = &spider->result_list.sqls[link_idx]; + break; + default: + DBUG_RETURN(0); + } + error_num = + append_explain_select(str, start_key, end_key, sql_type, link_idx); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_explain_select( + spider_string *str, + const key_range *start_key, + const key_range *end_key, + ulong sql_type, + int link_idx +) { + int error_num; + DBUG_ENTER("spider_oracle_handler::append_explain_select"); + DBUG_PRINT("info",("spider this=%p", this)); + if (str->reserve(SPIDER_SQL_EXPLAIN_SELECT_LEN)) + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + str->q_append(SPIDER_SQL_EXPLAIN_SELECT_STR, SPIDER_SQL_EXPLAIN_SELECT_LEN); + if ( + (error_num = append_from(str, sql_type, link_idx)) || + (error_num = append_key_where(str, NULL, NULL, start_key, end_key, + sql_type, FALSE)) + ) { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + DBUG_RETURN(0); +} + +/******************************************************************** + * Determine whether the current query's projection list + * consists solely of the specified column. + * + * Params IN - field_index: + * Field index of the column of interest within + * its table. + * + * Returns TRUE - if the query's projection list consists + * solely of the specified column. + * FALSE - otherwise. + ********************************************************************/ +bool spider_oracle_handler::is_sole_projection_field( uint16 field_index ) +{ + // Determine whether the projection list consists solely of the field of interest + bool is_field_in_projection_list = FALSE; + TABLE* table = spider->get_table(); + uint16 projection_field_count = 0; + uint16 projection_field_index; + Field** field; + DBUG_ENTER( "spider_oracle_handler::is_sole_projection_field" ); + + for ( field = table->field; *field; field++ ) + { + projection_field_index = ( *field )->field_index; + + if ( !( minimum_select_bit_is_set( projection_field_index ) ) ) + { + // Current field is not in the projection list + continue; + } + + projection_field_count++; + + if ( !is_field_in_projection_list ) + { + if (field_index == projection_field_index) + { + // Field of interest is in the projection list + is_field_in_projection_list = TRUE; + } + } + + if ( is_field_in_projection_list && ( projection_field_count != 1 ) ) + { + // Field of interest is not the sole column in the projection list + DBUG_RETURN( FALSE ); + } + } + + if ( is_field_in_projection_list && ( projection_field_count == 1 ) ) + { + // Field of interest is the only column in the projection list + DBUG_RETURN( TRUE ); + } + + DBUG_RETURN( FALSE ); +} + +bool spider_oracle_handler::is_bulk_insert_exec_period( + bool bulk_end +) { + DBUG_ENTER("spider_oracle_handler::is_bulk_insert_exec_period"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_PRINT("info",("spider insert_sql.length=%u", insert_sql.length())); + DBUG_PRINT("info",("spider insert_pos=%d", insert_pos)); + DBUG_PRINT("info",("spider insert_sql=%s", insert_sql.c_ptr_safe())); + if ( +/* + (bulk_end || (int) insert_sql.length() >= spider->bulk_size) && +*/ + (int) insert_sql.length() > insert_pos + ) { + DBUG_RETURN(TRUE); + } + DBUG_RETURN(FALSE); +} + +bool spider_oracle_handler::sql_is_filled_up( + ulong sql_type +) { + DBUG_ENTER("spider_oracle_handler::sql_is_filled_up"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(filled_up); +} + +bool spider_oracle_handler::sql_is_empty( + ulong sql_type +) { + bool is_empty; + DBUG_ENTER("spider_oracle_handler::sql_is_empty"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + is_empty = (sql.length() == 0); + break; + case SPIDER_SQL_TYPE_INSERT_SQL: + is_empty = (insert_sql.length() == 0); + break; + case SPIDER_SQL_TYPE_UPDATE_SQL: + case SPIDER_SQL_TYPE_DELETE_SQL: + case SPIDER_SQL_TYPE_BULK_UPDATE_SQL: + is_empty = (update_sql.length() == 0); + break; + case SPIDER_SQL_TYPE_TMP_SQL: + is_empty = (tmp_sql.length() == 0); + break; + case SPIDER_SQL_TYPE_HANDLER: + is_empty = (ha_sql.length() == 0); + break; + default: + is_empty = TRUE; + break; + } + DBUG_RETURN(is_empty); +} + +bool spider_oracle_handler::support_multi_split_read() +{ + DBUG_ENTER("spider_oracle_handler::support_multi_split_read"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(FALSE); +} + +bool spider_oracle_handler::support_bulk_update() +{ + DBUG_ENTER("spider_oracle_handler::support_bulk_update"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(FALSE); +} + +int spider_oracle_handler::bulk_tmp_table_insert() +{ + int error_num; + DBUG_ENTER("spider_oracle_handler::bulk_tmp_table_insert"); + DBUG_PRINT("info",("spider this=%p", this)); + error_num = store_sql_to_bulk_tmp_table(&update_sql, upd_tmp_tbl); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::bulk_tmp_table_insert( + int link_idx +) { + int error_num; + DBUG_ENTER("spider_oracle_handler::bulk_tmp_table_insert"); + DBUG_PRINT("info",("spider this=%p", this)); + error_num = store_sql_to_bulk_tmp_table( + &spider->result_list.update_sqls[link_idx], + spider->result_list.upd_tmp_tbls[link_idx]); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::bulk_tmp_table_end_bulk_insert() +{ + int error_num; + DBUG_ENTER("spider_oracle_handler::bulk_tmp_table_end_bulk_insert"); + DBUG_PRINT("info",("spider this=%p", this)); + if ((error_num = upd_tmp_tbl->file->ha_end_bulk_insert())) + { + DBUG_RETURN(error_num); + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::bulk_tmp_table_rnd_init() +{ + int error_num; + DBUG_ENTER("spider_oracle_handler::bulk_tmp_table_rnd_init"); + DBUG_PRINT("info",("spider this=%p", this)); + upd_tmp_tbl->file->extra(HA_EXTRA_CACHE); + if ((error_num = upd_tmp_tbl->file->ha_rnd_init(TRUE))) + { + DBUG_RETURN(error_num); + } + reading_from_bulk_tmp_table = TRUE; + DBUG_RETURN(0); +} + +int spider_oracle_handler::bulk_tmp_table_rnd_next() +{ + int error_num; + DBUG_ENTER("spider_oracle_handler::bulk_tmp_table_rnd_next"); + DBUG_PRINT("info",("spider this=%p", this)); +#if defined(MARIADB_BASE_VERSION) && MYSQL_VERSION_ID >= 50200 + error_num = upd_tmp_tbl->file->ha_rnd_next(upd_tmp_tbl->record[0]); +#else + error_num = upd_tmp_tbl->file->rnd_next(upd_tmp_tbl->record[0]); +#endif + if (!error_num) + { + error_num = restore_sql_from_bulk_tmp_table(&insert_sql, upd_tmp_tbl); + } + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::bulk_tmp_table_rnd_end() +{ + int error_num; + DBUG_ENTER("spider_oracle_handler::bulk_tmp_table_rnd_end"); + DBUG_PRINT("info",("spider this=%p", this)); + reading_from_bulk_tmp_table = FALSE; + if ((error_num = upd_tmp_tbl->file->ha_rnd_end())) + { + DBUG_RETURN(error_num); + } + DBUG_RETURN(0); +} + +bool spider_oracle_handler::need_copy_for_update( + int link_idx +) { + int all_link_idx = spider->conn_link_idx[link_idx]; + DBUG_ENTER("spider_oracle_handler::need_copy_for_update"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(!oracle_share->same_db_table_name || + spider->share->link_statuses[all_link_idx] == SPIDER_LINK_STATUS_RECOVERY); +} + +bool spider_oracle_handler::bulk_tmp_table_created() +{ + DBUG_ENTER("spider_oracle_handler::bulk_tmp_table_created"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(upd_tmp_tbl); +} + +int spider_oracle_handler::mk_bulk_tmp_table_and_bulk_start() +{ + THD *thd = spider->wide_handler->trx->thd; + TABLE *table = spider->get_table(); + DBUG_ENTER("spider_oracle_handler::mk_bulk_tmp_table_and_bulk_start"); + DBUG_PRINT("info",("spider this=%p", this)); + if (!upd_tmp_tbl) + { +#ifdef SPIDER_use_LEX_CSTRING_for_Field_blob_constructor + LEX_CSTRING field_name = {STRING_WITH_LEN("a")}; + if (!(upd_tmp_tbl = spider_mk_sys_tmp_table( + thd, table, &upd_tmp_tbl_prm, &field_name, update_sql.charset()))) +#else + if (!(upd_tmp_tbl = spider_mk_sys_tmp_table( + thd, table, &upd_tmp_tbl_prm, "a", update_sql.charset()))) +#endif + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + upd_tmp_tbl->file->extra(HA_EXTRA_WRITE_CACHE); + upd_tmp_tbl->file->ha_start_bulk_insert((ha_rows) 0); + } + DBUG_RETURN(0); +} + +void spider_oracle_handler::rm_bulk_tmp_table() +{ + DBUG_ENTER("spider_oracle_handler::rm_bulk_tmp_table"); + DBUG_PRINT("info",("spider this=%p", this)); + if (upd_tmp_tbl) + { + spider_rm_sys_tmp_table(spider->wide_handler->trx->thd, upd_tmp_tbl, + &upd_tmp_tbl_prm); + upd_tmp_tbl = NULL; + } + DBUG_VOID_RETURN; +} + +int spider_oracle_handler::store_sql_to_bulk_tmp_table( + spider_string *str, + TABLE *tmp_table +) { + int error_num; + DBUG_ENTER("spider_oracle_handler::store_sql_to_bulk_tmp_table"); + DBUG_PRINT("info",("spider this=%p", this)); + tmp_table->field[0]->set_notnull(); + tmp_table->field[0]->store(str->ptr(), str->length(), str->charset()); + if ((error_num = tmp_table->file->ha_write_row(tmp_table->record[0]))) + DBUG_RETURN(error_num); + DBUG_RETURN(0); +} + +int spider_oracle_handler::restore_sql_from_bulk_tmp_table( + spider_string *str, + TABLE *tmp_table +) { + DBUG_ENTER("spider_oracle_handler::restore_sql_from_bulk_tmp_table"); + DBUG_PRINT("info",("spider this=%p", this)); + tmp_table->field[0]->val_str(str->get_str()); + str->mem_calc(); + DBUG_RETURN(0); +} + +int spider_oracle_handler::insert_lock_tables_list( + SPIDER_CONN *conn, + int link_idx +) { + spider_db_oracle *db_conn = (spider_db_oracle *) conn->db_conn; + SPIDER_LINK_FOR_HASH *tmp_link_for_hash2 = &link_for_hash[link_idx]; + DBUG_ENTER("spider_oracle_handler::insert_lock_tables_list"); + DBUG_PRINT("info",("spider this=%p", this)); + uint old_elements = + db_conn->lock_table_hash.array.max_element; +#ifdef HASH_UPDATE_WITH_HASH_VALUE + if (my_hash_insert_with_hash_value( + &db_conn->lock_table_hash, + tmp_link_for_hash2->db_table_str_hash_value, + (uchar*) tmp_link_for_hash2)) +#else + if (my_hash_insert(&db_conn->lock_table_hash, + (uchar*) tmp_link_for_hash2)) +#endif + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + if (db_conn->lock_table_hash.array.max_element > old_elements) + { + spider_alloc_calc_mem(spider_current_trx, + db_conn->lock_table_hash, + (db_conn->lock_table_hash.array.max_element - old_elements) * + db_conn->lock_table_hash.array.size_of_element); + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_lock_tables_list( + SPIDER_CONN *conn, + int link_idx, + int *appended +) { + int error_num; + SPIDER_LINK_FOR_HASH *tmp_link_for_hash, *tmp_link_for_hash2; + int conn_link_idx = spider->conn_link_idx[link_idx]; + spider_db_oracle *db_conn = (spider_db_oracle *) conn->db_conn; + DBUG_ENTER("spider_oracle_handler::append_lock_tables_list"); + DBUG_PRINT("info",("spider this=%p", this)); + tmp_link_for_hash2 = &link_for_hash[link_idx]; + tmp_link_for_hash2->db_table_str = + &oracle_share->db_table_str[conn_link_idx]; +#ifdef SPIDER_HAS_HASH_VALUE_TYPE + tmp_link_for_hash2->db_table_str_hash_value = + oracle_share->db_table_str_hash_value[conn_link_idx]; + if (!(tmp_link_for_hash = (SPIDER_LINK_FOR_HASH *) + my_hash_search_using_hash_value( + &db_conn->lock_table_hash, + tmp_link_for_hash2->db_table_str_hash_value, + (uchar*) tmp_link_for_hash2->db_table_str->ptr(), + tmp_link_for_hash2->db_table_str->length()))) +#else + if (!(tmp_link_for_hash = (SPIDER_LINK_FOR_HASH *) my_hash_search( + &db_conn->lock_table_hash, + (uchar*) tmp_link_for_hash2->db_table_str->ptr(), + tmp_link_for_hash2->db_table_str->length()))) +#endif + { + if ((error_num = insert_lock_tables_list(conn, link_idx))) + DBUG_RETURN(error_num); + *appended = 1; + } else { + if (tmp_link_for_hash->spider->wide_handler->lock_type < + spider->wide_handler->lock_type) + { +#ifdef HASH_UPDATE_WITH_HASH_VALUE + my_hash_delete_with_hash_value( + &db_conn->lock_table_hash, + tmp_link_for_hash->db_table_str_hash_value, + (uchar*) tmp_link_for_hash); +#else + my_hash_delete(&db_conn->lock_table_hash, + (uchar*) tmp_link_for_hash); +#endif + uint old_elements = + db_conn->lock_table_hash.array.max_element; +#ifdef HASH_UPDATE_WITH_HASH_VALUE + if (my_hash_insert_with_hash_value( + &db_conn->lock_table_hash, + tmp_link_for_hash2->db_table_str_hash_value, + (uchar*) tmp_link_for_hash2)) +#else + if (my_hash_insert(&db_conn->lock_table_hash, + (uchar*) tmp_link_for_hash2)) +#endif + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + if (db_conn->lock_table_hash.array.max_element > old_elements) + { + spider_alloc_calc_mem(spider_current_trx, + db_conn->lock_table_hash, + (db_conn->lock_table_hash.array.max_element - old_elements) * + db_conn->lock_table_hash.array.size_of_element); + } + } + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::realloc_sql( + ulong *realloced +) { + THD *thd = spider->wide_handler->trx->thd; + st_spider_share *share = spider->share; + int init_sql_alloc_size = + spider_param_init_sql_alloc_size(thd, share->init_sql_alloc_size); + DBUG_ENTER("spider_oracle_handler::realloc_sql"); + DBUG_PRINT("info",("spider this=%p", this)); + if ((int) sql.alloced_length() > init_sql_alloc_size * 2) + { + sql.free(); + if (sql.real_alloc(init_sql_alloc_size)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + *realloced |= SPIDER_SQL_TYPE_SELECT_SQL; + } + if ((int) ha_sql.alloced_length() > init_sql_alloc_size * 2) + { + ha_sql.free(); + if (ha_sql.real_alloc(init_sql_alloc_size)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + *realloced |= SPIDER_SQL_TYPE_SELECT_SQL; + } + if ((int) dup_update_sql.alloced_length() > init_sql_alloc_size * 2) + { + dup_update_sql.free(); + if (dup_update_sql.real_alloc(init_sql_alloc_size)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + if ((int) insert_sql.alloced_length() > init_sql_alloc_size * 2) + { + insert_sql.free(); + if (insert_sql.real_alloc(init_sql_alloc_size)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + *realloced |= SPIDER_SQL_TYPE_INSERT_SQL; + } + if ((int) update_sql.alloced_length() > init_sql_alloc_size * 2) + { + update_sql.free(); + if (update_sql.real_alloc(init_sql_alloc_size)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + *realloced |= (SPIDER_SQL_TYPE_UPDATE_SQL | SPIDER_SQL_TYPE_DELETE_SQL); + } + update_sql.length(0); + if ((int) tmp_sql.alloced_length() > init_sql_alloc_size * 2) + { + tmp_sql.free(); + if (tmp_sql.real_alloc(init_sql_alloc_size)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + *realloced |= SPIDER_SQL_TYPE_TMP_SQL; + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::reset_sql( + ulong sql_type +) { + DBUG_ENTER("spider_oracle_handler::reset_sql"); + DBUG_PRINT("info",("spider this=%p", this)); + if (sql_type & SPIDER_SQL_TYPE_SELECT_SQL) + { + table_lock_mode = 0; + select_rownum_appended = FALSE; + sql.length(0); + } + if (sql_type & SPIDER_SQL_TYPE_INSERT_SQL) + { + insert_sql.length(0); + } + if (sql_type & (SPIDER_SQL_TYPE_UPDATE_SQL | SPIDER_SQL_TYPE_DELETE_SQL | + SPIDER_SQL_TYPE_BULK_UPDATE_SQL)) + { + update_rownum_appended = FALSE; + update_set_pos = 0; + update_sql.length(0); + } + if (sql_type & SPIDER_SQL_TYPE_TMP_SQL) + { + tmp_sql.length(0); + } + if (sql_type & SPIDER_SQL_TYPE_HANDLER) + { + ha_sql.length(0); + } + DBUG_RETURN(0); +} + +#if defined(HS_HAS_SQLCOM) && defined(HAVE_HANDLERSOCKET) +int spider_oracle_handler::reset_keys( + ulong sql_type +) { + DBUG_ENTER("spider_oracle_handler::reset_keys"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_ASSERT(0); + DBUG_RETURN(0); +} + +int spider_oracle_handler::reset_upds( + ulong sql_type +) { + DBUG_ENTER("spider_oracle_handler::reset_upds"); + DBUG_PRINT("info",("spider this=%p", this)); + hs_upds.clear(); + DBUG_RETURN(0); +} + +int spider_oracle_handler::reset_strs( + ulong sql_type +) { + DBUG_ENTER("spider_oracle_handler::reset_strs"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_ASSERT(0); + DBUG_RETURN(0); +} + +int spider_oracle_handler::reset_strs_pos( + ulong sql_type +) { + DBUG_ENTER("spider_oracle_handler::reset_strs_pos"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_ASSERT(0); + DBUG_RETURN(0); +} + +int spider_oracle_handler::push_back_upds( + SPIDER_HS_STRING_REF &info +) { + int error_num; + DBUG_ENTER("spider_oracle_handler::push_back_upds"); + DBUG_PRINT("info",("spider this=%p", this)); + error_num = hs_upds.push_back(info); + DBUG_RETURN(error_num); +} +#endif + +bool spider_oracle_handler::need_lock_before_set_sql_for_exec( + ulong sql_type +) { + DBUG_ENTER("spider_oracle_handler::need_lock_before_set_sql_for_exec"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(FALSE); +} + +#ifdef SPIDER_HAS_GROUP_BY_HANDLER +int spider_oracle_handler::set_sql_for_exec( + ulong sql_type, + int link_idx, + SPIDER_LINK_IDX_CHAIN *link_idx_chain +) { + int error_num; + SPIDER_RESULT_LIST *result_list = &spider->result_list; + int all_link_idx = spider->conn_link_idx[link_idx]; + DBUG_ENTER("spider_oracle_handler::set_sql_for_exec"); + DBUG_PRINT("info",("spider this=%p", this)); + if (sql_type & SPIDER_SQL_TYPE_SELECT_SQL) + { + if (table_lock_mode) + { + spider_string *str = &result_list->insert_sqls[link_idx]; + str->length(0); + if (str->reserve(SPIDER_SQL_LOCK_TABLE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_LOCK_TABLE_STR, SPIDER_SQL_LOCK_TABLE_LEN); + if ((error_num = oracle_share->append_table_name(str, all_link_idx))) + DBUG_RETURN(error_num); + if (table_lock_mode == SPIDER_LOCK_MODE_EXCLUSIVE) + { + if (str->reserve(SPIDER_SQL_LOCK_TABLE_EXCLUSIVE_MODE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_LOCK_TABLE_EXCLUSIVE_MODE_STR, + SPIDER_SQL_LOCK_TABLE_EXCLUSIVE_MODE_LEN); + } else if (table_lock_mode == SPIDER_LOCK_MODE_SHARED) + { + if (str->reserve(SPIDER_SQL_LOCK_TABLE_SHARE_MODE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_LOCK_TABLE_SHARE_MODE_STR, + SPIDER_SQL_LOCK_TABLE_SHARE_MODE_LEN); + } + exec_lock_sql = str; + } + + if ((error_num = spider_db_oracle_utility.reappend_tables( + spider->fields, link_idx_chain, &sql))) + DBUG_RETURN(error_num); + exec_sql = &sql; + } + DBUG_RETURN(0); +} +#endif + +int spider_oracle_handler::set_sql_for_exec( + ulong sql_type, + int link_idx +) { + int error_num; + uint tmp_pos; + SPIDER_SHARE *share = spider->share; + SPIDER_RESULT_LIST *result_list = &spider->result_list; + int all_link_idx = spider->conn_link_idx[link_idx]; + DBUG_ENTER("spider_oracle_handler::set_sql_for_exec"); + DBUG_PRINT("info",("spider this=%p", this)); + if (sql_type & (SPIDER_SQL_TYPE_SELECT_SQL | SPIDER_SQL_TYPE_TMP_SQL)) + { + if (table_lock_mode) + { + spider_string *str = &result_list->insert_sqls[link_idx]; + str->length(0); + if (str->reserve(SPIDER_SQL_LOCK_TABLE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_LOCK_TABLE_STR, SPIDER_SQL_LOCK_TABLE_LEN); + if ((error_num = oracle_share->append_table_name(str, all_link_idx))) + DBUG_RETURN(error_num); + if (table_lock_mode == SPIDER_LOCK_MODE_EXCLUSIVE) + { + if (str->reserve(SPIDER_SQL_LOCK_TABLE_EXCLUSIVE_MODE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_LOCK_TABLE_EXCLUSIVE_MODE_STR, + SPIDER_SQL_LOCK_TABLE_EXCLUSIVE_MODE_LEN); + } else if (table_lock_mode == SPIDER_LOCK_MODE_SHARED) + { + if (str->reserve(SPIDER_SQL_LOCK_TABLE_SHARE_MODE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_LOCK_TABLE_SHARE_MODE_STR, + SPIDER_SQL_LOCK_TABLE_SHARE_MODE_LEN); + } + exec_lock_sql = str; + } + + if (oracle_share->same_db_table_name || link_idx == first_link_idx) + { + if (sql_type & SPIDER_SQL_TYPE_SELECT_SQL) + exec_sql = &sql; + if (sql_type & SPIDER_SQL_TYPE_TMP_SQL) + exec_tmp_sql = &tmp_sql; + } else { + char tmp_table_name[MAX_FIELD_WIDTH * 2], + tgt_table_name[MAX_FIELD_WIDTH * 2]; + int tmp_table_name_length; + spider_string tgt_table_name_str(tgt_table_name, + MAX_FIELD_WIDTH * 2, + oracle_share->db_names_str[link_idx].charset()); + const char *table_names[2], *table_aliases[2]; + uint table_name_lengths[2], table_alias_lengths[2]; + tgt_table_name_str.init_calc_mem(212); + tgt_table_name_str.length(0); + if (result_list->tmp_table_join && spider->bka_mode != 2) + { + create_tmp_bka_table_name(tmp_table_name, &tmp_table_name_length, + link_idx); + append_table_name_with_adjusting(&tgt_table_name_str, link_idx, + SPIDER_SQL_TYPE_TMP_SQL); + table_names[0] = tmp_table_name; + table_names[1] = tgt_table_name_str.ptr(); + table_name_lengths[0] = tmp_table_name_length; + table_name_lengths[1] = tgt_table_name_str.length(); + table_aliases[0] = SPIDER_SQL_A_STR; + table_aliases[1] = SPIDER_SQL_B_STR; + table_alias_lengths[0] = SPIDER_SQL_A_LEN; + table_alias_lengths[1] = SPIDER_SQL_B_LEN; + } + if (sql_type & SPIDER_SQL_TYPE_SELECT_SQL) + { + exec_sql = &result_list->sqls[link_idx]; + if (exec_sql->copy(sql)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + else if (result_list->use_union) + { + if ((error_num = reset_union_table_name(exec_sql, link_idx, + SPIDER_SQL_TYPE_SELECT_SQL))) + DBUG_RETURN(error_num); + } else { + tmp_pos = exec_sql->length(); + exec_sql->length(table_name_pos); + if (result_list->tmp_table_join && spider->bka_mode != 2) + { + if ((error_num = spider_db_oracle_utility.append_from_with_alias( + exec_sql, table_names, table_name_lengths, + table_aliases, table_alias_lengths, 2, + &table_name_pos, TRUE)) + ) + DBUG_RETURN(error_num); + exec_sql->q_append(SPIDER_SQL_SPACE_STR, SPIDER_SQL_SPACE_LEN); + } else { + append_table_name_with_adjusting(exec_sql, link_idx, + SPIDER_SQL_TYPE_SELECT_SQL); + } + exec_sql->length(tmp_pos); + } + } + if (sql_type & SPIDER_SQL_TYPE_TMP_SQL) + { + exec_tmp_sql = &result_list->tmp_sqls[link_idx]; + if (result_list->tmp_table_join && spider->bka_mode != 2) + { + if (exec_tmp_sql->copy(tmp_sql)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + else { + tmp_pos = exec_tmp_sql->length(); + exec_tmp_sql->length(tmp_sql_pos1); + exec_tmp_sql->q_append(tmp_table_name, tmp_table_name_length); + exec_tmp_sql->length(tmp_sql_pos2); + exec_tmp_sql->q_append(tmp_table_name, tmp_table_name_length); + exec_tmp_sql->length(tmp_sql_pos3); + exec_tmp_sql->q_append(tmp_table_name, tmp_table_name_length); + exec_tmp_sql->length(tmp_pos); + } + } + } + } + } + if (sql_type & SPIDER_SQL_TYPE_INSERT_SQL) + { + if (oracle_share->same_db_table_name || link_idx == first_link_idx) + exec_insert_sql = &insert_sql; + else { + exec_insert_sql = &result_list->insert_sqls[link_idx]; + if (exec_insert_sql->copy(insert_sql)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + DBUG_PRINT("info",("spider exec_insert_sql=%s", + exec_insert_sql->c_ptr_safe())); + tmp_pos = exec_insert_sql->length(); + exec_insert_sql->length(insert_table_name_pos); + append_table_name_with_adjusting(exec_insert_sql, link_idx, + sql_type); + exec_insert_sql->length(tmp_pos); + DBUG_PRINT("info",("spider exec_insert_sql->length=%u", + exec_insert_sql->length())); + DBUG_PRINT("info",("spider exec_insert_sql=%s", + exec_insert_sql->c_ptr_safe())); + } + if (nextval_pos) + { + memcpy((uchar *) exec_insert_sql->ptr() + nextval_pos, + oracle_share->nextval_str[all_link_idx].ptr(), + oracle_share->nextval_max_length); + } + } + if (sql_type & SPIDER_SQL_TYPE_BULK_UPDATE_SQL) + { + if (reading_from_bulk_tmp_table) + { + if ( + oracle_share->same_db_table_name && + share->link_statuses[all_link_idx] != SPIDER_LINK_STATUS_RECOVERY + ) { + exec_update_sql = &insert_sql; + } else if (!spider->result_list.upd_tmp_tbls[link_idx]) + { + DBUG_RETURN(ER_SPIDER_COND_SKIP_NUM); + } else { + exec_update_sql = &spider->result_list.insert_sqls[link_idx]; + if ((error_num = restore_sql_from_bulk_tmp_table(exec_update_sql, + spider->result_list.upd_tmp_tbls[link_idx]))) + { + DBUG_RETURN(error_num); + } + } + } else { + if ( + oracle_share->same_db_table_name && + share->link_statuses[all_link_idx] != SPIDER_LINK_STATUS_RECOVERY + ) { + exec_update_sql = &update_sql; + } else { + exec_update_sql = &spider->result_list.update_sqls[link_idx]; + } + } + DBUG_PRINT("info",("spider exec_update_sql=%s", + exec_update_sql->c_ptr_safe())); + } else if (sql_type & + (SPIDER_SQL_TYPE_UPDATE_SQL | SPIDER_SQL_TYPE_DELETE_SQL)) + { + if (oracle_share->same_db_table_name || link_idx == first_link_idx) + exec_update_sql = &update_sql; + else { + exec_update_sql = &spider->result_list.update_sqls[link_idx]; + if (exec_update_sql->copy(update_sql)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + tmp_pos = exec_update_sql->length(); + exec_update_sql->length(table_name_pos); + append_table_name_with_adjusting(exec_update_sql, link_idx, + sql_type); + exec_update_sql->length(tmp_pos); + } + DBUG_PRINT("info",("spider exec_update_sql=%s", + exec_update_sql->c_ptr_safe())); + } + if (sql_type & SPIDER_SQL_TYPE_HANDLER) + { + if (spider->m_handler_id[link_idx] == ha_sql_handler_id) + exec_ha_sql = &ha_sql; + else { + exec_ha_sql = &result_list->sqls[link_idx]; + if (exec_ha_sql->copy(ha_sql)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + else { + tmp_pos = exec_ha_sql->length(); + exec_ha_sql->length(ha_table_name_pos); + append_table_name_with_adjusting(exec_ha_sql, link_idx, + SPIDER_SQL_TYPE_HANDLER); + exec_ha_sql->length(tmp_pos); + } + } + DBUG_PRINT("info",("spider exec_ha_sql=%s", + exec_ha_sql->c_ptr_safe())); + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::set_sql_for_exec( + spider_db_copy_table *tgt_ct, + ulong sql_type +) { + spider_oracle_copy_table *oracle_ct = (spider_oracle_copy_table *) tgt_ct; + DBUG_ENTER("spider_oracle_handler::set_sql_for_exec"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_INSERT_SQL: + exec_insert_sql = &oracle_ct->sql; + break; + default: + DBUG_ASSERT(0); + break; + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::execute_sql( + ulong sql_type, + SPIDER_CONN *conn, + int quick_mode, + int *need_mon +) { + spider_string *tgt_sql; + uint tgt_length; + DBUG_ENTER("spider_oracle_handler::execute_sql"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + DBUG_PRINT("info",("spider SPIDER_SQL_TYPE_SELECT_SQL")); + tgt_sql = exec_sql; + tgt_length = tgt_sql->length(); + if (table_lock_mode) + { + DBUG_PRINT("info",("spider table_lock_mode=%d", table_lock_mode)); + spider_db_oracle *db_conn = (spider_db_oracle *) conn->db_conn; + db_conn->table_lock_mode = table_lock_mode; + db_conn->exec_lock_sql = exec_lock_sql; + table_lock_mode = 0; + } + break; + case SPIDER_SQL_TYPE_INSERT_SQL: + DBUG_PRINT("info",("spider SPIDER_SQL_TYPE_SELECT_SQL")); + tgt_sql = exec_insert_sql; + tgt_length = tgt_sql->length(); + break; + case SPIDER_SQL_TYPE_UPDATE_SQL: + case SPIDER_SQL_TYPE_DELETE_SQL: + case SPIDER_SQL_TYPE_BULK_UPDATE_SQL: + DBUG_PRINT("info",("spider %s", + sql_type == SPIDER_SQL_TYPE_UPDATE_SQL ? "SPIDER_SQL_TYPE_UPDATE_SQL" : + sql_type == SPIDER_SQL_TYPE_DELETE_SQL ? "SPIDER_SQL_TYPE_DELETE_SQL" : + "SPIDER_SQL_TYPE_BULK_UPDATE_SQL" + )); + tgt_sql = exec_update_sql; + tgt_length = tgt_sql->length(); + break; + case SPIDER_SQL_TYPE_TMP_SQL: + DBUG_PRINT("info",("spider SPIDER_SQL_TYPE_TMP_SQL")); + tgt_sql = exec_tmp_sql; + tgt_length = tgt_sql->length(); + break; + case SPIDER_SQL_TYPE_DROP_TMP_TABLE_SQL: + DBUG_PRINT("info",("spider SPIDER_SQL_TYPE_DROP_TMP_TABLE_SQL")); + tgt_sql = exec_tmp_sql; + tgt_length = tmp_sql_pos5; + break; + case SPIDER_SQL_TYPE_HANDLER: + DBUG_PRINT("info",("spider SPIDER_SQL_TYPE_HANDLER")); + tgt_sql = exec_ha_sql; + tgt_length = tgt_sql->length(); + break; + default: + /* nothing to do */ + DBUG_PRINT("info",("spider default")); + DBUG_RETURN(0); + } + DBUG_RETURN(spider_db_query( + conn, + tgt_sql->ptr(), + tgt_length, + quick_mode, + need_mon + )); +} + +int spider_oracle_handler::reset() +{ + DBUG_ENTER("spider_oracle_handler::reset"); + DBUG_PRINT("info",("spider this=%p", this)); + update_sql.length(0); + DBUG_RETURN(0); +} + +int spider_oracle_handler::sts_mode_exchange( + int sts_mode +) { + DBUG_ENTER("spider_oracle_handler::sts_mode_exchange"); + DBUG_PRINT("info",("spider sts_mode=%d", sts_mode)); + DBUG_RETURN(1); +} + +int spider_oracle_handler::show_table_status( + int link_idx, + int sts_mode, + uint flag +) { + int error_num; + SPIDER_CONN *conn = spider->conns[link_idx]; + SPIDER_DB_RESULT *res; + SPIDER_SHARE *share = spider->share; + uint pos = (2 * spider->conn_link_idx[link_idx]); + ulonglong auto_increment_value = 0; + DBUG_ENTER("spider_oracle_handler::show_table_status"); + DBUG_PRINT("info",("spider sts_mode=%d", sts_mode)); + if ( + (flag & HA_STATUS_AUTO) && + (error_num = show_autoinc(link_idx)) + ) { + DBUG_RETURN(error_num); + } + + if (sts_mode == 1) + { + if (!share->stat.records) + share->stat.records = 10000; + share->stat.mean_rec_length = 65535; + share->stat.data_file_length = 65535; + share->stat.max_data_file_length = 65535; + share->stat.index_file_length = 65535; + share->stat.create_time = (time_t) 0; + share->stat.update_time = (time_t) 0; + share->stat.check_time = (time_t) 0; + } else { + pthread_mutex_assert_not_owner(&conn->mta_conn_mutex); + pthread_mutex_lock(&conn->mta_conn_mutex); + SPIDER_SET_FILE_POS(&conn->mta_conn_mutex_file_pos); + conn->need_mon = &spider->need_mons[link_idx]; + DBUG_ASSERT(!conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(!conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = TRUE; + conn->mta_conn_mutex_unlock_later = TRUE; + spider_conn_set_timeout_from_share(conn, link_idx, + spider->wide_handler->trx->thd, + share); + if ( + (error_num = spider_db_set_names(spider, conn, link_idx)) || + ( + spider_db_query( + conn, + oracle_share->show_table_status[1 + pos].ptr(), + oracle_share->show_table_status[1 + pos].length(), + -1, + &spider->need_mons[link_idx]) && + (error_num = spider_db_errorno(conn)) + ) + ) { + if ( + error_num == ER_SPIDER_REMOTE_SERVER_GONE_AWAY_NUM && + !conn->disable_reconnect + ) { + /* retry */ + if ((error_num = spider_db_ping(spider, conn, link_idx))) + { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(error_num); + } + if ((error_num = spider_db_set_names(spider, conn, link_idx))) + { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(error_num); + } + spider_conn_set_timeout_from_share(conn, link_idx, + spider->wide_handler->trx->thd, + share); + if (spider_db_query( + conn, + oracle_share->show_table_status[1 + pos].ptr(), + oracle_share->show_table_status[1 + pos].length(), + -1, + &spider->need_mons[link_idx]) + ) { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + DBUG_RETURN(spider_db_errorno(conn)); + } + } else { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(error_num); + } + } + st_spider_db_request_key request_key; + request_key.spider_thread_id = spider->wide_handler->trx->spider_thread_id; + request_key.query_id = spider->wide_handler->trx->thd->query_id; + request_key.handler = spider; + request_key.request_id = 1; + request_key.next = NULL; + if (!(res = conn->db_conn->store_result(NULL, &request_key, &error_num))) + { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + if (error_num || (error_num = spider_db_errorno(conn))) + DBUG_RETURN(error_num); + else + DBUG_RETURN(ER_QUERY_ON_FOREIGN_DATA_SOURCE); + } + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + error_num = res->fetch_table_status( + sts_mode, + share->stat + ); + auto_increment_value = share->stat.auto_increment_value; + res->free_result(); + delete res; + if (error_num) + DBUG_RETURN(error_num); + } + if (auto_increment_value > share->lgtm_tblhnd_share->auto_increment_value) + { + share->lgtm_tblhnd_share->auto_increment_value = auto_increment_value; + DBUG_PRINT("info",("spider auto_increment_value=%llu", + share->lgtm_tblhnd_share->auto_increment_value)); + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::crd_mode_exchange( + int crd_mode +) { + DBUG_ENTER("spider_oracle_handler::crd_mode_exchange"); + DBUG_PRINT("info",("spider crd_mode=%d", crd_mode)); + DBUG_RETURN(1); +} + +int spider_oracle_handler::show_index( + int link_idx, + int crd_mode +) { + int error_num; + SPIDER_CONN *conn = spider->conns[link_idx]; + SPIDER_SHARE *share = spider->share; + TABLE *table = spider->get_table(); + SPIDER_DB_RESULT *res; + int roop_count; + longlong *tmp_cardinality; + uint pos = (2 * spider->conn_link_idx[link_idx]); + DBUG_ENTER("spider_oracle_handler::show_index"); + DBUG_PRINT("info",("spider crd_mode=%d", crd_mode)); + if (crd_mode == 1) + { + for (roop_count = 0, tmp_cardinality = share->cardinality; + roop_count < (int) table->s->fields; + roop_count++, tmp_cardinality++) + { + if (!spider_bit_is_set(share->cardinality_upd, roop_count)) + { + DBUG_PRINT("info", + ("spider init column cardinality id=%d", roop_count)); + *tmp_cardinality = 1; + } + } + } else { + pthread_mutex_assert_not_owner(&conn->mta_conn_mutex); + pthread_mutex_lock(&conn->mta_conn_mutex); + SPIDER_SET_FILE_POS(&conn->mta_conn_mutex_file_pos); + conn->need_mon = &spider->need_mons[link_idx]; + DBUG_ASSERT(!conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(!conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = TRUE; + conn->mta_conn_mutex_unlock_later = TRUE; + spider_conn_set_timeout_from_share(conn, link_idx, + spider->wide_handler->trx->thd, + share); + if ( + (error_num = spider_db_set_names(spider, conn, link_idx)) || + ( + spider_db_query( + conn, + oracle_share->show_index[1 + pos].ptr(), + oracle_share->show_index[1 + pos].length(), + -1, + &spider->need_mons[link_idx]) && + (error_num = spider_db_errorno(conn)) + ) + ) { + if ( + error_num == ER_SPIDER_REMOTE_SERVER_GONE_AWAY_NUM && + !conn->disable_reconnect + ) { + /* retry */ + if ((error_num = spider_db_ping(spider, conn, link_idx))) + { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(error_num); + } + if ((error_num = spider_db_set_names(spider, conn, link_idx))) + { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(error_num); + } + spider_conn_set_timeout_from_share(conn, link_idx, + spider->wide_handler->trx->thd, + share); + if (spider_db_query( + conn, + oracle_share->show_index[1 + pos].ptr(), + oracle_share->show_index[1 + pos].length(), + -1, + &spider->need_mons[link_idx]) + ) { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + DBUG_RETURN(spider_db_errorno(conn)); + } + } else { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(error_num); + } + } + st_spider_db_request_key request_key; + request_key.spider_thread_id = spider->wide_handler->trx->spider_thread_id; + request_key.query_id = spider->wide_handler->trx->thd->query_id; + request_key.handler = spider; + request_key.request_id = 1; + request_key.next = NULL; + if (!(res = conn->db_conn->store_result(NULL, &request_key, &error_num))) + { + if (error_num || (error_num = spider_db_errorno(conn))) + { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(error_num); + } + /* no record is ok */ + } + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + if (res) + { + error_num = res->fetch_table_cardinality( + crd_mode, + table, + share->cardinality, + share->cardinality_upd, + share->bitmap_size + ); + } + for (roop_count = 0, tmp_cardinality = share->cardinality; + roop_count < (int) table->s->fields; + roop_count++, tmp_cardinality++) + { + if (!spider_bit_is_set(share->cardinality_upd, roop_count)) + { + DBUG_PRINT("info", + ("spider init column cardinality id=%d", roop_count)); + *tmp_cardinality = 1; + } + } + if (res) + { + res->free_result(); + delete res; + } + if (error_num) + DBUG_RETURN(error_num); + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::show_records( + int link_idx +) { + int error_num; + SPIDER_CONN *conn = spider->conns[link_idx]; + SPIDER_DB_RESULT *res; + SPIDER_SHARE *share = spider->share; + uint pos = spider->conn_link_idx[link_idx]; + DBUG_ENTER("spider_oracle_handler::show_records"); + pthread_mutex_assert_not_owner(&conn->mta_conn_mutex); + pthread_mutex_lock(&conn->mta_conn_mutex); + SPIDER_SET_FILE_POS(&conn->mta_conn_mutex_file_pos); + conn->need_mon = &spider->need_mons[link_idx]; + DBUG_ASSERT(!conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(!conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = TRUE; + conn->mta_conn_mutex_unlock_later = TRUE; + spider_conn_set_timeout_from_share(conn, link_idx, + spider->wide_handler->trx->thd, + share); + if ( + (error_num = spider_db_set_names(spider, conn, link_idx)) || + ( + spider_db_query( + conn, + oracle_share->show_records[pos].ptr(), + oracle_share->show_records[pos].length(), + -1, + &spider->need_mons[link_idx]) && + (error_num = spider_db_errorno(conn)) + ) + ) { + if ( + error_num == ER_SPIDER_REMOTE_SERVER_GONE_AWAY_NUM && + !conn->disable_reconnect + ) { + /* retry */ + if ((error_num = spider_db_ping(spider, conn, link_idx))) + { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_PRINT("info", ("spider error_num=%d 1", error_num)); + DBUG_RETURN(error_num); + } + if ((error_num = spider_db_set_names(spider, conn, link_idx))) + { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_PRINT("info", ("spider error_num=%d 2", error_num)); + DBUG_RETURN(error_num); + } + spider_conn_set_timeout_from_share(conn, link_idx, + spider->wide_handler->trx->thd, + share); + if (spider_db_query( + conn, + oracle_share->show_records[pos].ptr(), + oracle_share->show_records[pos].length(), + -1, + &spider->need_mons[link_idx]) + ) { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + DBUG_PRINT("info", ("spider error_num=%d 3", error_num)); + DBUG_RETURN(spider_db_errorno(conn)); + } + } else { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_PRINT("info", ("spider error_num=%d 4", error_num)); + DBUG_RETURN(error_num); + } + } + st_spider_db_request_key request_key; + request_key.spider_thread_id = spider->wide_handler->trx->spider_thread_id; + request_key.query_id = spider->wide_handler->trx->thd->query_id; + request_key.handler = spider; + request_key.request_id = 1; + request_key.next = NULL; + if (!(res = conn->db_conn->store_result(NULL, &request_key, &error_num))) + { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + if (error_num) + { + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_PRINT("info", ("spider error_num=%d 5", error_num)); + DBUG_RETURN(error_num); + } + else if (error_num || (error_num = spider_db_errorno(conn))) + { + DBUG_PRINT("info", ("spider error_num=%d 6", error_num)); + DBUG_RETURN(error_num); + } else { + DBUG_PRINT("info", ("spider error_num=%d 7", + ER_QUERY_ON_FOREIGN_DATA_SOURCE)); + DBUG_RETURN(ER_QUERY_ON_FOREIGN_DATA_SOURCE); + } + } + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + error_num = res->fetch_table_records( + 1, + spider->table_rows + ); + res->free_result(); + delete res; + if (error_num) + { + DBUG_PRINT("info", ("spider error_num=%d 7", error_num)); + DBUG_RETURN(error_num); + } + spider->wide_handler->trx->direct_aggregate_count++; + DBUG_RETURN(0); +} + +int spider_oracle_handler::show_autoinc( + int link_idx +) { + int error_num; + SPIDER_CONN *conn = spider->conns[link_idx]; + SPIDER_DB_RESULT *res; + SPIDER_SHARE *share = spider->share; + uint pos = spider->conn_link_idx[link_idx]; + ulonglong auto_increment_value; + DBUG_ENTER("spider_oracle_handler::show_autoinc"); + if (!oracle_share->show_autoinc) + DBUG_RETURN(0); + + pthread_mutex_assert_not_owner(&conn->mta_conn_mutex); + pthread_mutex_lock(&conn->mta_conn_mutex); + SPIDER_SET_FILE_POS(&conn->mta_conn_mutex_file_pos); + conn->need_mon = &spider->need_mons[link_idx]; + DBUG_ASSERT(!conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(!conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = TRUE; + conn->mta_conn_mutex_unlock_later = TRUE; + spider_conn_set_timeout_from_share(conn, link_idx, + spider->wide_handler->trx->thd, + share); + if ( + (error_num = spider_db_set_names(spider, conn, link_idx)) || + ( + spider_db_query( + conn, + oracle_share->show_autoinc[pos].ptr(), + oracle_share->show_autoinc[pos].length(), + -1, + &spider->need_mons[link_idx]) && + (error_num = spider_db_errorno(conn)) + ) + ) { + if ( + error_num == ER_SPIDER_REMOTE_SERVER_GONE_AWAY_NUM && + !conn->disable_reconnect + ) { + /* retry */ + if ((error_num = spider_db_ping(spider, conn, link_idx))) + { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_PRINT("info", ("spider error_num=%d 1", error_num)); + DBUG_RETURN(error_num); + } + if ((error_num = spider_db_set_names(spider, conn, link_idx))) + { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_PRINT("info", ("spider error_num=%d 2", error_num)); + DBUG_RETURN(error_num); + } + spider_conn_set_timeout_from_share(conn, link_idx, + spider->wide_handler->trx->thd, + share); + if (spider_db_query( + conn, + oracle_share->show_records[pos].ptr(), + oracle_share->show_records[pos].length(), + -1, + &spider->need_mons[link_idx]) + ) { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + DBUG_PRINT("info", ("spider error_num=%d 3", error_num)); + DBUG_RETURN(spider_db_errorno(conn)); + } + } else { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_PRINT("info", ("spider error_num=%d 4", error_num)); + DBUG_RETURN(error_num); + } + } + st_spider_db_request_key request_key; + request_key.spider_thread_id = spider->wide_handler->trx->spider_thread_id; + request_key.query_id = spider->wide_handler->trx->thd->query_id; + request_key.handler = spider; + request_key.request_id = 1; + request_key.next = NULL; + if (!(res = conn->db_conn->store_result(NULL, &request_key, &error_num))) + { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + if (error_num) + { + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_PRINT("info", ("spider error_num=%d 5", error_num)); + DBUG_RETURN(error_num); + } + else if ((error_num = spider_db_errorno(conn))) + { + DBUG_PRINT("info", ("spider error_num=%d 6", error_num)); + DBUG_RETURN(error_num); + } else { + DBUG_PRINT("info", ("spider error_num=%d 7", + ER_QUERY_ON_FOREIGN_DATA_SOURCE)); + DBUG_RETURN(ER_QUERY_ON_FOREIGN_DATA_SOURCE); + } + } + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + error_num = res->fetch_table_records( + 1, + auto_increment_value + ); + res->free_result(); + delete res; + if (error_num) + { + DBUG_PRINT("info", ("spider error_num=%d 7", error_num)); + DBUG_RETURN(error_num); + } + if (auto_increment_value >= + share->lgtm_tblhnd_share->auto_increment_value) + { + share->lgtm_tblhnd_share->auto_increment_value = + auto_increment_value + 1; + DBUG_PRINT("info",("spider auto_increment_value=%llu", + share->lgtm_tblhnd_share->auto_increment_value)); + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::show_last_insert_id( + int link_idx, + ulonglong &last_insert_id +) { + int error_num; + SPIDER_CONN *conn = spider->conns[link_idx]; + SPIDER_DB_RESULT *res; + uint pos = spider->conn_link_idx[link_idx]; + spider_db_oracle *db_oracle = (spider_db_oracle *) conn->db_conn; + DBUG_ENTER("spider_oracle_handler::show_last_insert_id"); + if (!oracle_share->show_last_insert_id) + { + DBUG_ASSERT(0); + last_insert_id = 0; + db_oracle->stored_last_insert_id = 0; + DBUG_RETURN(0); + } + + if ( + spider_db_query( + conn, + oracle_share->show_last_insert_id[pos].ptr(), + oracle_share->show_last_insert_id[pos].length(), + -1, + &spider->need_mons[link_idx]) && + (error_num = spider_db_errorno(conn)) + ) { + DBUG_PRINT("info", ("spider error_num=%d 4", error_num)); + DBUG_RETURN(error_num); + } + st_spider_db_request_key request_key; + request_key.spider_thread_id = spider->wide_handler->trx->spider_thread_id; + request_key.query_id = spider->wide_handler->trx->thd->query_id; + request_key.handler = spider; + request_key.request_id = 1; + request_key.next = NULL; + if (!(res = conn->db_conn->store_result(NULL, &request_key, &error_num))) + { + if (error_num || (error_num = spider_db_errorno(conn))) + { + DBUG_PRINT("info", ("spider error_num=%d 5", error_num)); + DBUG_RETURN(error_num); + } else { + DBUG_PRINT("info", ("spider error_num=%d 6", + ER_QUERY_ON_FOREIGN_DATA_SOURCE)); + DBUG_RETURN(ER_QUERY_ON_FOREIGN_DATA_SOURCE); + } + } + error_num = res->fetch_table_records( + 1, + last_insert_id + ); + res->free_result(); + delete res; + if (error_num) + { + DBUG_PRINT("info", ("spider error_num=%d 7", error_num)); + DBUG_RETURN(error_num); + } + db_oracle->stored_last_insert_id = last_insert_id; + DBUG_RETURN(0); +} + +ha_rows spider_oracle_handler::explain_select( + const key_range *start_key, + const key_range *end_key, + int link_idx +) { + int error_num; + SPIDER_CONN *conn = spider->conns[link_idx]; + SPIDER_RESULT_LIST *result_list = &spider->result_list; + spider_string *str = &result_list->sqls[link_idx]; + SPIDER_DB_RESULT *res; + ha_rows rows; + spider_db_handler *dbton_hdl = spider->dbton_handler[conn->dbton_id]; + DBUG_ENTER("spider_oracle_handler::explain_select"); + if ((error_num = dbton_hdl->append_explain_select_part( + start_key, end_key, SPIDER_SQL_TYPE_OTHER_SQL, link_idx))) + { + my_errno = error_num; + DBUG_RETURN(HA_POS_ERROR); + } + + pthread_mutex_assert_not_owner(&conn->mta_conn_mutex); + pthread_mutex_lock(&conn->mta_conn_mutex); + SPIDER_SET_FILE_POS(&conn->mta_conn_mutex_file_pos); + conn->need_mon = &spider->need_mons[link_idx]; + DBUG_ASSERT(!conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(!conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = TRUE; + conn->mta_conn_mutex_unlock_later = TRUE; + spider_conn_set_timeout_from_share(conn, link_idx, + spider->wide_handler->trx->thd, + spider->share); + if ( + (error_num = spider_db_set_names(spider, conn, link_idx)) || + ( + spider_db_query( + conn, + str->ptr(), + str->length(), + -1, + &spider->need_mons[link_idx]) && + (error_num = spider_db_errorno(conn)) + ) + ) { + if ( + error_num == ER_SPIDER_REMOTE_SERVER_GONE_AWAY_NUM && + !conn->disable_reconnect + ) { + /* retry */ + if ((error_num = spider_db_ping(spider, conn, link_idx))) + { + if (spider->check_error_mode(error_num)) + my_errno = error_num; + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(HA_POS_ERROR); + } + if ((error_num = spider_db_set_names(spider, conn, link_idx))) + { + if (spider->check_error_mode(error_num)) + my_errno = error_num; + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(HA_POS_ERROR); + } + spider_conn_set_timeout_from_share(conn, link_idx, + spider->wide_handler->trx->thd, + spider->share); + if (spider_db_query( + conn, + str->ptr(), + str->length(), + -1, + &spider->need_mons[link_idx]) + ) { + error_num = spider_db_errorno(conn); + if (spider->check_error_mode(error_num)) + my_errno = error_num; + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(HA_POS_ERROR); + } + } else { + if (spider->check_error_mode(error_num)) + my_errno = error_num; + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(HA_POS_ERROR); + } + } + st_spider_db_request_key request_key; + request_key.spider_thread_id = spider->wide_handler->trx->spider_thread_id; + request_key.query_id = spider->wide_handler->trx->thd->query_id; + request_key.handler = spider; + request_key.request_id = 1; + request_key.next = NULL; + if (!(res = conn->db_conn->store_result(NULL, &request_key, &error_num))) + { + if (error_num || (error_num = spider_db_errorno(conn))) + { + if (spider->check_error_mode(error_num)) + my_errno = error_num; + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(HA_POS_ERROR); + } else { + my_errno = ER_QUERY_ON_FOREIGN_DATA_SOURCE; + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(HA_POS_ERROR); + } + } + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + error_num = res->fetch_table_records( + 2, + rows + ); + res->free_result(); + delete res; + if (error_num) + { + my_errno = error_num; + DBUG_RETURN(HA_POS_ERROR); + } + DBUG_RETURN(rows); +} + +int spider_oracle_handler::lock_tables( + int link_idx +) { + int error_num; + SPIDER_CONN *conn = spider->conns[link_idx]; + spider_string *str = &sql; + DBUG_ENTER("spider_oracle_handler::lock_tables"); + do { + str->length(0); + if ((error_num = conn->db_conn->append_lock_tables(str))) + { + DBUG_RETURN(error_num); + } + if (str->length()) + { + pthread_mutex_assert_not_owner(&conn->mta_conn_mutex); + pthread_mutex_lock(&conn->mta_conn_mutex); + SPIDER_SET_FILE_POS(&conn->mta_conn_mutex_file_pos); + conn->need_mon = &spider->need_mons[link_idx]; + DBUG_ASSERT(!conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(!conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = TRUE; + conn->mta_conn_mutex_unlock_later = TRUE; + if ((error_num = spider_db_set_names(spider, conn, link_idx))) + { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(error_num); + } + spider_conn_set_timeout_from_share(conn, link_idx, + spider->wide_handler->trx->thd, + spider->share); + if (spider_db_query( + conn, + str->ptr(), + str->length(), + -1, + &spider->need_mons[link_idx]) + ) { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + DBUG_RETURN(spider_db_errorno(conn)); + } + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + } + if (!conn->table_locked) + { + conn->table_locked = TRUE; + spider->wide_handler->trx->locked_connections++; + } + } while (str->length()); + DBUG_RETURN(0); +} + +int spider_oracle_handler::unlock_tables( + int link_idx +) { + int error_num; + SPIDER_CONN *conn = spider->conns[link_idx]; + DBUG_ENTER("spider_oracle_handler::unlock_tables"); + if (conn->table_locked) + { + if ((error_num = conn->db_conn->commit(&spider->need_mons[link_idx]))) + { + DBUG_RETURN(error_num); + } + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::disable_keys( + SPIDER_CONN *conn, + int link_idx +) { + int error_num; + SPIDER_SHARE *share = spider->share; + spider_string *str = &spider->result_list.sqls[link_idx]; + DBUG_ENTER("spider_oracle_handler::disable_keys"); + DBUG_PRINT("info",("spider this=%p", this)); + str->length(0); + if ((error_num = append_disable_keys_part(SPIDER_SQL_TYPE_OTHER_HS, + link_idx))) + { + DBUG_RETURN(error_num); + } + pthread_mutex_assert_not_owner(&conn->mta_conn_mutex); + pthread_mutex_lock(&conn->mta_conn_mutex); + SPIDER_SET_FILE_POS(&conn->mta_conn_mutex_file_pos); + conn->need_mon = &spider->need_mons[link_idx]; + DBUG_ASSERT(!conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(!conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = TRUE; + conn->mta_conn_mutex_unlock_later = TRUE; + if ((error_num = spider_db_set_names(spider, conn, link_idx))) + { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(error_num); + } + spider_conn_set_timeout_from_share(conn, link_idx, + spider->wide_handler->trx->thd, + share); + if (spider_db_query( + conn, + str->ptr(), + str->length(), + -1, + &spider->need_mons[link_idx]) + ) { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + error_num = spider_db_errorno(conn); + DBUG_RETURN(error_num); + } + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(0); +} + +int spider_oracle_handler::enable_keys( + SPIDER_CONN *conn, + int link_idx +) { + int error_num; + SPIDER_SHARE *share = spider->share; + spider_string *str = &spider->result_list.sqls[link_idx]; + DBUG_ENTER("spider_oracle_handler::enable_keys"); + DBUG_PRINT("info",("spider this=%p", this)); + str->length(0); + if ((error_num = append_enable_keys_part(SPIDER_SQL_TYPE_OTHER_HS, + link_idx))) + { + DBUG_RETURN(error_num); + } + pthread_mutex_assert_not_owner(&conn->mta_conn_mutex); + pthread_mutex_lock(&conn->mta_conn_mutex); + SPIDER_SET_FILE_POS(&conn->mta_conn_mutex_file_pos); + conn->need_mon = &spider->need_mons[link_idx]; + DBUG_ASSERT(!conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(!conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = TRUE; + conn->mta_conn_mutex_unlock_later = TRUE; + if ((error_num = spider_db_set_names(spider, conn, link_idx))) + { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(error_num); + } + spider_conn_set_timeout_from_share(conn, link_idx, + spider->wide_handler->trx->thd, + share); + if (spider_db_query( + conn, + str->ptr(), + str->length(), + -1, + &spider->need_mons[link_idx]) + ) { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + error_num = spider_db_errorno(conn); + DBUG_RETURN(error_num); + } + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(0); +} + +int spider_oracle_handler::check_table( + SPIDER_CONN *conn, + int link_idx, + HA_CHECK_OPT* check_opt +) { + int error_num; + SPIDER_SHARE *share = spider->share; + spider_string *str = &spider->result_list.sqls[link_idx]; + DBUG_ENTER("spider_oracle_handler::check_table"); + DBUG_PRINT("info",("spider this=%p", this)); + str->length(0); + if ((error_num = append_check_table_part(SPIDER_SQL_TYPE_OTHER_HS, + link_idx, check_opt))) + { + DBUG_RETURN(error_num); + } + pthread_mutex_assert_not_owner(&conn->mta_conn_mutex); + pthread_mutex_lock(&conn->mta_conn_mutex); + SPIDER_SET_FILE_POS(&conn->mta_conn_mutex_file_pos); + conn->need_mon = &spider->need_mons[link_idx]; + DBUG_ASSERT(!conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(!conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = TRUE; + conn->mta_conn_mutex_unlock_later = TRUE; + if ((error_num = spider_db_set_names(spider, conn, link_idx))) + { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(error_num); + } + spider_conn_set_timeout_from_share(conn, link_idx, + spider->wide_handler->trx->thd, + share); + if (spider_db_query( + conn, + str->ptr(), + str->length(), + -1, + &spider->need_mons[link_idx]) + ) { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + error_num = spider_db_errorno(conn); + DBUG_RETURN(error_num); + } + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(0); +} + +int spider_oracle_handler::repair_table( + SPIDER_CONN *conn, + int link_idx, + HA_CHECK_OPT* check_opt +) { + int error_num; + SPIDER_SHARE *share = spider->share; + spider_string *str = &spider->result_list.sqls[link_idx]; + DBUG_ENTER("spider_oracle_handler::repair_table"); + DBUG_PRINT("info",("spider this=%p", this)); + str->length(0); + if ((error_num = append_repair_table_part(SPIDER_SQL_TYPE_OTHER_HS, + link_idx, check_opt))) + { + DBUG_RETURN(error_num); + } + pthread_mutex_assert_not_owner(&conn->mta_conn_mutex); + pthread_mutex_lock(&conn->mta_conn_mutex); + SPIDER_SET_FILE_POS(&conn->mta_conn_mutex_file_pos); + conn->need_mon = &spider->need_mons[link_idx]; + DBUG_ASSERT(!conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(!conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = TRUE; + conn->mta_conn_mutex_unlock_later = TRUE; + if ((error_num = spider_db_set_names(spider, conn, link_idx))) + { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(error_num); + } + spider_conn_set_timeout_from_share(conn, link_idx, + spider->wide_handler->trx->thd, + share); + if (spider_db_query( + conn, + str->ptr(), + str->length(), + -1, + &spider->need_mons[link_idx]) + ) { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + error_num = spider_db_errorno(conn); + DBUG_RETURN(error_num); + } + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(0); +} + +int spider_oracle_handler::analyze_table( + SPIDER_CONN *conn, + int link_idx +) { + int error_num; + SPIDER_SHARE *share = spider->share; + spider_string *str = &spider->result_list.sqls[link_idx]; + DBUG_ENTER("spider_oracle_handler::analyze_table"); + DBUG_PRINT("info",("spider this=%p", this)); + str->length(0); + if ((error_num = append_analyze_table_part(SPIDER_SQL_TYPE_OTHER_HS, + link_idx))) + { + DBUG_RETURN(error_num); + } + pthread_mutex_assert_not_owner(&conn->mta_conn_mutex); + pthread_mutex_lock(&conn->mta_conn_mutex); + SPIDER_SET_FILE_POS(&conn->mta_conn_mutex_file_pos); + conn->need_mon = &spider->need_mons[link_idx]; + DBUG_ASSERT(!conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(!conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = TRUE; + conn->mta_conn_mutex_unlock_later = TRUE; + if ((error_num = spider_db_set_names(spider, conn, link_idx))) + { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(error_num); + } + spider_conn_set_timeout_from_share(conn, link_idx, + spider->wide_handler->trx->thd, + share); + if (spider_db_query( + conn, + str->ptr(), + str->length(), + -1, + &spider->need_mons[link_idx]) + ) { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + error_num = spider_db_errorno(conn); + DBUG_RETURN(error_num); + } + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(0); +} + +int spider_oracle_handler::optimize_table( + SPIDER_CONN *conn, + int link_idx +) { + int error_num; + SPIDER_SHARE *share = spider->share; + spider_string *str = &spider->result_list.sqls[link_idx]; + DBUG_ENTER("spider_oracle_handler::optimize_table"); + DBUG_PRINT("info",("spider this=%p", this)); + str->length(0); + if ((error_num = append_optimize_table_part(SPIDER_SQL_TYPE_OTHER_HS, + link_idx))) + { + DBUG_RETURN(error_num); + } + pthread_mutex_assert_not_owner(&conn->mta_conn_mutex); + pthread_mutex_lock(&conn->mta_conn_mutex); + SPIDER_SET_FILE_POS(&conn->mta_conn_mutex_file_pos); + conn->need_mon = &spider->need_mons[link_idx]; + DBUG_ASSERT(!conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(!conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = TRUE; + conn->mta_conn_mutex_unlock_later = TRUE; + if ((error_num = spider_db_set_names(spider, conn, link_idx))) + { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(error_num); + } + spider_conn_set_timeout_from_share(conn, link_idx, + spider->wide_handler->trx->thd, + share); + if (spider_db_query( + conn, + str->ptr(), + str->length(), + -1, + &spider->need_mons[link_idx]) + ) { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + error_num = spider_db_errorno(conn); + DBUG_RETURN(error_num); + } + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(0); +} + +int spider_oracle_handler::flush_tables( + SPIDER_CONN *conn, + int link_idx, + bool lock +) { + int error_num; + SPIDER_SHARE *share = spider->share; + spider_string *str = &spider->result_list.sqls[link_idx]; + DBUG_ENTER("spider_oracle_handler::flush_tables"); + DBUG_PRINT("info",("spider this=%p", this)); + str->length(0); + if ((error_num = append_flush_tables_part(SPIDER_SQL_TYPE_OTHER_HS, + link_idx, lock))) + { + DBUG_RETURN(error_num); + } + spider_conn_set_timeout_from_share(conn, link_idx, + spider->wide_handler->trx->thd, + share); + pthread_mutex_assert_not_owner(&conn->mta_conn_mutex); + pthread_mutex_lock(&conn->mta_conn_mutex); + SPIDER_SET_FILE_POS(&conn->mta_conn_mutex_file_pos); + conn->need_mon = &spider->need_mons[link_idx]; + DBUG_ASSERT(!conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(!conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = TRUE; + conn->mta_conn_mutex_unlock_later = TRUE; + if (spider_db_query( + conn, + str->ptr(), + str->length(), + -1, + &spider->need_mons[link_idx]) + ) { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + error_num = spider_db_errorno(conn); + DBUG_RETURN(error_num); + } + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(0); +} + +int spider_oracle_handler::flush_logs( + SPIDER_CONN *conn, + int link_idx +) { + int error_num; + SPIDER_SHARE *share = spider->share; + DBUG_ENTER("spider_oracle_handler::flush_logs"); + DBUG_PRINT("info",("spider this=%p", this)); + spider_conn_set_timeout_from_share(conn, link_idx, + spider->wide_handler->trx->thd, + share); + pthread_mutex_assert_not_owner(&conn->mta_conn_mutex); + pthread_mutex_lock(&conn->mta_conn_mutex); + SPIDER_SET_FILE_POS(&conn->mta_conn_mutex_file_pos); + conn->need_mon = &spider->need_mons[link_idx]; + DBUG_ASSERT(!conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(!conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = TRUE; + conn->mta_conn_mutex_unlock_later = TRUE; + if (spider_db_query( + conn, + SPIDER_SQL_FLUSH_LOGS_STR, + SPIDER_SQL_FLUSH_LOGS_LEN, + -1, + &spider->need_mons[link_idx]) + ) { + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + error_num = spider_db_errorno(conn); + DBUG_RETURN(error_num); + } + DBUG_ASSERT(conn->mta_conn_mutex_lock_already); + DBUG_ASSERT(conn->mta_conn_mutex_unlock_later); + conn->mta_conn_mutex_lock_already = FALSE; + conn->mta_conn_mutex_unlock_later = FALSE; + SPIDER_CLEAR_FILE_POS(&conn->mta_conn_mutex_file_pos); + pthread_mutex_unlock(&conn->mta_conn_mutex); + DBUG_RETURN(0); +} + +int spider_oracle_handler::insert_opened_handler( + SPIDER_CONN *conn, + int link_idx +) { + spider_db_oracle *db_conn = (spider_db_oracle *) conn->db_conn; + SPIDER_LINK_FOR_HASH *tmp_link_for_hash = &link_for_hash[link_idx]; + DBUG_ASSERT(tmp_link_for_hash->spider == spider); + DBUG_ASSERT(tmp_link_for_hash->link_idx == link_idx); + uint old_elements = db_conn->handler_open_array.max_element; + DBUG_ENTER("spider_oracle_handler::insert_opened_handler"); + DBUG_PRINT("info",("spider this=%p", this)); + if (insert_dynamic(&db_conn->handler_open_array, + (uchar*) &tmp_link_for_hash)) + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + if (db_conn->handler_open_array.max_element > old_elements) + { + spider_alloc_calc_mem(spider_current_trx, + db_conn->handler_open_array, + (db_conn->handler_open_array.max_element - old_elements) * + db_conn->handler_open_array.size_of_element); + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::delete_opened_handler( + SPIDER_CONN *conn, + int link_idx +) { + spider_db_oracle *db_conn = (spider_db_oracle *) conn->db_conn; + uint roop_count, elements = db_conn->handler_open_array.elements; + SPIDER_LINK_FOR_HASH *tmp_link_for_hash; + DBUG_ENTER("spider_oracle_handler::delete_opened_handler"); + DBUG_PRINT("info",("spider this=%p", this)); + for (roop_count = 0; roop_count < elements; roop_count++) + { + get_dynamic(&db_conn->handler_open_array, (uchar *) &tmp_link_for_hash, + roop_count); + if (tmp_link_for_hash == &link_for_hash[link_idx]) + { + delete_dynamic_element(&db_conn->handler_open_array, roop_count); + break; + } + } + DBUG_ASSERT(roop_count < elements); + DBUG_RETURN(0); +} + +int spider_oracle_handler::sync_from_clone_source( + spider_db_handler *dbton_hdl +) { + DBUG_ENTER("spider_oracle_handler::sync_from_clone_source"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(0); +} + +bool spider_oracle_handler::support_use_handler( + int use_handler +) { + DBUG_ENTER("spider_oracle_handler::support_use_handler"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(FALSE); +} + +void spider_oracle_handler::minimum_select_bitmap_create() +{ + TABLE *table = spider->get_table(); + Field **field_p; + DBUG_ENTER("spider_oracle_handler::minimum_select_bitmap_create"); + memset(minimum_select_bitmap, 0, no_bytes_in_map(table->read_set)); + if ( + spider->use_index_merge || +#ifdef HA_CAN_BULK_ACCESS + (spider->is_clone && !spider->is_bulk_access_clone) +#else + spider->is_clone +#endif + ) { + /* need preparing for cmp_ref */ + TABLE_SHARE *table_share = table->s; + if ( + table_share->primary_key == MAX_KEY + ) { + /* need all columns */ + memset(minimum_select_bitmap, 0xFF, no_bytes_in_map(table->read_set)); + DBUG_VOID_RETURN; + } else { + /* need primary key columns */ + uint roop_count; + KEY *key_info; + KEY_PART_INFO *key_part; + Field *field; + key_info = &table_share->key_info[table_share->primary_key]; + key_part = key_info->key_part; + for (roop_count = 0; + roop_count < spider_user_defined_key_parts(key_info); + roop_count++) + { + field = key_part[roop_count].field; + spider_set_bit(minimum_select_bitmap, field->field_index); + } + } + } + for (field_p = table->field; *field_p; field_p++) + { + uint field_index = (*field_p)->field_index; + if ( + spider_bit_is_set(spider->searched_bitmap, field_index) || + bitmap_is_set(table->read_set, field_index) || + bitmap_is_set(table->write_set, field_index) + ) { + spider_set_bit(minimum_select_bitmap, field_index); + } + } + DBUG_VOID_RETURN; +} + +bool spider_oracle_handler::minimum_select_bit_is_set( + uint field_index +) { + DBUG_ENTER("spider_oracle_handler::minimum_select_bit_is_set"); + DBUG_PRINT("info",("spider field_index=%u", field_index)); + DBUG_PRINT("info",("spider minimum_select_bitmap=%s", + spider_bit_is_set(minimum_select_bitmap, field_index) ? + "TRUE" : "FALSE")); + DBUG_RETURN(spider_bit_is_set(minimum_select_bitmap, field_index)); +} + +void spider_oracle_handler::copy_minimum_select_bitmap( + uchar *bitmap +) { + int roop_count; + TABLE *table = spider->get_table(); + DBUG_ENTER("spider_oracle_handler::copy_minimum_select_bitmap"); + for (roop_count = 0; + roop_count < (int) ((table->s->fields + 7) / 8); + roop_count++) + { + bitmap[roop_count] = + minimum_select_bitmap[roop_count]; + DBUG_PRINT("info",("spider roop_count=%d", roop_count)); + DBUG_PRINT("info",("spider bitmap=%d", + bitmap[roop_count])); + } + DBUG_VOID_RETURN; +} + +int spider_oracle_handler::init_union_table_name_pos() +{ + DBUG_ENTER("spider_oracle_handler::init_union_table_name_pos"); + DBUG_PRINT("info",("spider this=%p", this)); + if (!union_table_name_pos_first) + { + if (!spider_bulk_malloc(spider_current_trx, 238, MYF(MY_WME), + &union_table_name_pos_first, (uint) (sizeof(SPIDER_INT_HLD)), + NullS) + ) { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + union_table_name_pos_first->next = NULL; + } + union_table_name_pos_current = union_table_name_pos_first; + union_table_name_pos_current->tgt_num = 0; + DBUG_RETURN(0); +} + +int spider_oracle_handler::set_union_table_name_pos() +{ + DBUG_ENTER("spider_oracle_handler::set_union_table_name_pos"); + DBUG_PRINT("info",("spider this=%p", this)); + if (union_table_name_pos_current->tgt_num >= SPIDER_INT_HLD_TGT_SIZE) + { + if (!union_table_name_pos_current->next) + { + if (!spider_bulk_malloc(spider_current_trx, 239, MYF(MY_WME), + &union_table_name_pos_current->next, (uint) (sizeof(SPIDER_INT_HLD)), + NullS) + ) { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + union_table_name_pos_current->next->next = NULL; + } + union_table_name_pos_current = union_table_name_pos_current->next; + union_table_name_pos_current->tgt_num = 0; + } + union_table_name_pos_current->tgt[union_table_name_pos_current->tgt_num] = + table_name_pos; + ++union_table_name_pos_current->tgt_num; + DBUG_RETURN(0); +} + +int spider_oracle_handler::reset_union_table_name( + spider_string *str, + int link_idx, + ulong sql_type +) { + DBUG_ENTER("spider_oracle_handler::reset_union_table_name"); + DBUG_PRINT("info",("spider this=%p", this)); + if (!union_table_name_pos_current) + DBUG_RETURN(0); + + SPIDER_INT_HLD *tmp_pos = union_table_name_pos_first; + uint cur_num, pos_backup = str->length(); + while(TRUE) + { + for (cur_num = 0; cur_num < tmp_pos->tgt_num; ++cur_num) + { + str->length(tmp_pos->tgt[cur_num]); + append_table_name_with_adjusting(str, link_idx, sql_type); + } + if (tmp_pos == union_table_name_pos_current) + break; + tmp_pos = tmp_pos->next; + } + str->length(pos_backup); + DBUG_RETURN(0); +} + +#ifdef SPIDER_HAS_GROUP_BY_HANDLER +int spider_oracle_handler::append_from_and_tables_part( + spider_fields *fields, + ulong sql_type +) { + int error_num; + spider_string *str; + SPIDER_TABLE_HOLDER *table_holder; + TABLE_LIST *table_list; + DBUG_ENTER("spider_oracle_handler::append_from_and_tables_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + default: + DBUG_RETURN(0); + } + fields->set_pos_to_first_table_holder(); + table_holder = fields->get_next_table_holder(); + table_list = table_holder->table->pos_in_table_list; + error_num = spider_db_oracle_utility.append_from_and_tables(fields, str, + table_list); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::reappend_tables_part( + spider_fields *fields, + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::reappend_tables_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + default: + DBUG_RETURN(0); + } + error_num = spider_db_oracle_utility.reappend_tables(fields, + link_idx_chain, str); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_where_part( + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_where_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + default: + DBUG_RETURN(0); + } + error_num = spider_db_oracle_utility.append_where(str); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_having_part( + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_having_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + default: + DBUG_RETURN(0); + } + error_num = spider_db_oracle_utility.append_having(str); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_item_type_part( + Item *item, + const char *alias, + uint alias_length, + bool use_fields, + spider_fields *fields, + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_item_type_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + default: + DBUG_RETURN(0); + } + error_num = spider_db_print_item_type(item, NULL, spider, str, + alias, alias_length, spider_dbton_oracle.dbton_id, use_fields, fields); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_list_item_select_part( + List<Item> *select, + const char *alias, + uint alias_length, + bool use_fields, + spider_fields *fields, + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_list_item_select_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_list_item_select(select, str, alias, alias_length, + use_fields, fields); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_list_item_select( + List<Item> *select, + spider_string *str, + const char *alias, + uint alias_length, + bool use_fields, + spider_fields *fields +) { + int error_num; + uint dbton_id = spider_dbton_oracle.dbton_id, length; + uint32 begin; + List_iterator_fast<Item> it(*select); + Item *item; + Field *field; + const char *item_name; + DBUG_ENTER("spider_oracle_handler::append_list_item_select"); + DBUG_PRINT("info",("spider this=%p", this)); + begin = str->length(); + while ((item = it++)) + { + if (item->const_item()) + { + DBUG_PRINT("info",("spider const item")); + continue; + } + if ((error_num = spider_db_print_item_type(item, NULL, spider, str, + alias, alias_length, dbton_id, use_fields, fields))) + { + DBUG_RETURN(error_num); + } + field = *(fields->get_next_field_ptr()); + if (field) + { + item_name = SPIDER_field_name_str(field); + length = SPIDER_field_name_length(field); + } else { + item_name = SPIDER_item_name_str(item); + length = SPIDER_item_name_length(item); + } + if (str->reserve( + SPIDER_SQL_COMMA_LEN + /* SPIDER_SQL_NAME_QUOTE_LEN */ 2 + + SPIDER_SQL_SPACE_LEN + length + )) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_SPACE_STR, SPIDER_SQL_SPACE_LEN); + if ((error_num = spider_db_oracle_utility.append_escaped_name(str, + item_name, length))) + { + DBUG_RETURN(error_num); + } + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + if (begin == str->length()) + { + /* no columns */ + if (str->reserve(SPIDER_SQL_ONE_LEN)) + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + str->q_append(SPIDER_SQL_ONE_STR, SPIDER_SQL_ONE_LEN); + } else { + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_group_by_part( + ORDER *order, + const char *alias, + uint alias_length, + bool use_fields, + spider_fields *fields, + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_group_by_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_group_by(order, str, alias, alias_length, + use_fields, fields); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_group_by( + ORDER *order, + spider_string *str, + const char *alias, + uint alias_length, + bool use_fields, + spider_fields *fields +) { + int error_num; + uint dbton_id = spider_dbton_oracle.dbton_id; + DBUG_ENTER("spider_oracle_handler::append_group_by"); + DBUG_PRINT("info",("spider this=%p", this)); + if (order) + { + if (str->reserve(SPIDER_SQL_GROUP_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_GROUP_STR, SPIDER_SQL_GROUP_LEN); + for (; order; order = order->next) + { + if ((error_num = spider_db_print_item_type((*order->item), NULL, spider, + str, alias, alias_length, dbton_id, use_fields, fields))) + { + DBUG_RETURN(error_num); + } + if (str->reserve(SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + } + DBUG_RETURN(0); +} + +int spider_oracle_handler::append_order_by_part( + ORDER *order, + const char *alias, + uint alias_length, + bool use_fields, + spider_fields *fields, + ulong sql_type +) { + int error_num; + spider_string *str; + DBUG_ENTER("spider_oracle_handler::append_order_by_part"); + DBUG_PRINT("info",("spider this=%p", this)); + switch (sql_type) + { + case SPIDER_SQL_TYPE_SELECT_SQL: + str = &sql; + break; + default: + DBUG_RETURN(0); + } + error_num = append_order_by(order, str, alias, alias_length, + use_fields, fields); + DBUG_RETURN(error_num); +} + +int spider_oracle_handler::append_order_by( + ORDER *order, + spider_string *str, + const char *alias, + uint alias_length, + bool use_fields, + spider_fields *fields +) { + int error_num; + uint dbton_id = spider_dbton_oracle.dbton_id; + DBUG_ENTER("spider_oracle_handler::append_order_by"); + DBUG_PRINT("info",("spider this=%p", this)); + if (order) + { + if (str->reserve(SPIDER_SQL_ORDER_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_ORDER_STR, SPIDER_SQL_ORDER_LEN); + for (; order; order = order->next) + { + if ((error_num = spider_db_print_item_type((*order->item), NULL, spider, + str, alias, alias_length, dbton_id, use_fields, fields))) + { + DBUG_RETURN(error_num); + } +#ifdef SPIDER_ORDER_HAS_ENUM_ORDER + if (order->direction == ORDER::ORDER_DESC) +#else + if (!order->asc) +#endif + { + if (str->reserve(SPIDER_SQL_COMMA_LEN + SPIDER_SQL_DESC_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_DESC_STR, SPIDER_SQL_DESC_LEN); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } else { + if (str->reserve(SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + } + str->length(str->length() - SPIDER_SQL_COMMA_LEN); + } + DBUG_RETURN(0); +} +#endif + +spider_oracle_copy_table::spider_oracle_copy_table( + spider_oracle_share *db_share +) : spider_db_copy_table( + db_share +), + oracle_share(db_share), + pos(0), + table_name_pos(0), + pos_diff(0), + table_lock_mode(0), + select_rownum_appended(FALSE), + first_str(NULL), + current_str(NULL) +{ + DBUG_ENTER("spider_oracle_copy_table::spider_oracle_copy_table"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_VOID_RETURN; +} + +spider_oracle_copy_table::~spider_oracle_copy_table() +{ + DBUG_ENTER("spider_oracle_copy_table::~spider_oracle_copy_table"); + DBUG_PRINT("info",("spider this=%p", this)); + while (first_str) + { + current_str = first_str; + first_str = first_str->next; + delete [] current_str; + } + DBUG_VOID_RETURN; +} + +int spider_oracle_copy_table::init() +{ + DBUG_ENTER("spider_oracle_copy_table::init"); + DBUG_PRINT("info",("spider this=%p", this)); + sql.init_calc_mem(213); + sql_part.init_calc_mem(215); + DBUG_RETURN(0); +} + +void spider_oracle_copy_table::set_sql_charset( + CHARSET_INFO *cs +) { + DBUG_ENTER("spider_oracle_copy_table::set_sql_charset"); + DBUG_PRINT("info",("spider this=%p", this)); + sql.set_charset(cs); + DBUG_VOID_RETURN; +} + +int spider_oracle_copy_table::append_select_str() +{ + DBUG_ENTER("spider_oracle_copy_table::append_select_str"); + DBUG_PRINT("info",("spider this=%p", this)); + if (sql.reserve(SPIDER_SQL_SELECT_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_SELECT_STR, SPIDER_SQL_SELECT_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_copy_table::append_insert_str( + int insert_flg +) { + DBUG_ENTER("spider_oracle_copy_table::append_insert_str"); + DBUG_PRINT("info",("spider this=%p", this)); + if (sql.reserve(SPIDER_SQL_INSERT_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_INSERT_STR, SPIDER_SQL_INSERT_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_copy_table::append_table_columns( + TABLE_SHARE *table_share +) { + int error_num; + Field **field; + DBUG_ENTER("spider_oracle_copy_table::append_table_columns"); + DBUG_PRINT("info",("spider this=%p", this)); + for (field = table_share->field; *field; field++) + { + if (sql.reserve(SPIDER_SQL_NAME_QUOTE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_NAME_QUOTE_STR, SPIDER_SQL_NAME_QUOTE_LEN); + if ((error_num = spider_db_append_name_with_quote_str(&sql, + (*field)->field_name, spider_dbton_oracle.dbton_id))) + DBUG_RETURN(error_num); + if (sql.reserve(SPIDER_SQL_NAME_QUOTE_LEN + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_NAME_QUOTE_STR, SPIDER_SQL_NAME_QUOTE_LEN); + sql.q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + sql.length(sql.length() - SPIDER_SQL_COMMA_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_copy_table::append_from_str() +{ + DBUG_ENTER("spider_oracle_copy_table::append_from_str"); + DBUG_PRINT("info",("spider this=%p", this)); + if (sql.reserve(SPIDER_SQL_FROM_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_FROM_STR, SPIDER_SQL_FROM_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_copy_table::append_table_name( + int link_idx +) { + int error_num; + DBUG_ENTER("spider_oracle_copy_table::append_table_name"); + DBUG_PRINT("info",("spider this=%p", this)); + table_name_pos = sql.length(); + error_num = oracle_share->append_table_name(&sql, link_idx); + store_link_idx = link_idx; + DBUG_RETURN(error_num); +} + +void spider_oracle_copy_table::set_sql_pos() +{ + DBUG_ENTER("spider_oracle_copy_table::set_sql_pos"); + DBUG_PRINT("info",("spider this=%p", this)); + pos = sql.length(); + DBUG_VOID_RETURN; +} + +void spider_oracle_copy_table::set_sql_to_pos() +{ + DBUG_ENTER("spider_oracle_copy_table::set_sql_to_pos"); + DBUG_PRINT("info",("spider this=%p", this)); + sql.length(pos); + DBUG_VOID_RETURN; +} + +int spider_oracle_copy_table::append_copy_where( + spider_db_copy_table *source_ct, + KEY *key_info, + ulong *last_row_pos, + ulong *last_lengths +) { + int error_num, roop_count, roop_count2; + DBUG_ENTER("spider_oracle_copy_table::append_copy_where"); + DBUG_PRINT("info",("spider this=%p", this)); + if (sql.reserve(SPIDER_SQL_WHERE_LEN + SPIDER_SQL_OPEN_PAREN_LEN)) + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + sql.q_append(SPIDER_SQL_WHERE_STR, SPIDER_SQL_WHERE_LEN); + sql.q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + Field *field; + KEY_PART_INFO *key_part = key_info->key_part; + for (roop_count = spider_user_defined_key_parts(key_info) - 1; + roop_count >= 0; roop_count--) + { + for (roop_count2 = 0; roop_count2 < roop_count; roop_count2++) + { + field = key_part[roop_count2].field; + if ((error_num = copy_key_row(source_ct, + field, &last_row_pos[field->field_index], + &last_lengths[field->field_index], + SPIDER_SQL_EQUAL_STR, SPIDER_SQL_EQUAL_LEN))) + { + DBUG_RETURN(error_num); + } + } + field = key_part[roop_count2].field; + if ((error_num = copy_key_row(source_ct, + field, &last_row_pos[field->field_index], + &last_lengths[field->field_index], + SPIDER_SQL_GT_STR, SPIDER_SQL_GT_LEN))) + { + DBUG_RETURN(error_num); + } + sql.length(sql.length() - SPIDER_SQL_AND_LEN); + if (sql.reserve(SPIDER_SQL_CLOSE_PAREN_LEN + + SPIDER_SQL_OR_LEN + SPIDER_SQL_OPEN_PAREN_LEN)) + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + sql.q_append(SPIDER_SQL_CLOSE_PAREN_STR, SPIDER_SQL_CLOSE_PAREN_LEN); + sql.q_append(SPIDER_SQL_OR_STR, SPIDER_SQL_OR_LEN); + sql.q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + } + sql.length(sql.length() - SPIDER_SQL_OR_LEN - SPIDER_SQL_OPEN_PAREN_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_copy_table::append_key_order_str( + KEY *key_info, + int start_pos, + bool desc_flg +) { + int length, error_num; + KEY_PART_INFO *key_part; + Field *field; + DBUG_ENTER("spider_oracle_copy_table::append_key_order_str"); + DBUG_PRINT("info",("spider this=%p", this)); + if (select_rownum_appended) + { + if (sql.reserve(SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_SELECT_WRAPPER_TAIL_STR, + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN); + DBUG_RETURN(0); + } + sql_part.length(0); + if (sql_part.reserve(sql.length() + SPIDER_SQL_SELECT_WRAPPER_HEAD_LEN + + SPIDER_SQL_ROW_NUMBER_HEAD_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_SELECT_WRAPPER_HEAD_STR, + SPIDER_SQL_SELECT_WRAPPER_HEAD_LEN); + sql_part.q_append(sql.ptr(), table_name_pos - SPIDER_SQL_FROM_LEN); + sql_part.q_append(SPIDER_SQL_ROW_NUMBER_HEAD_STR, + SPIDER_SQL_ROW_NUMBER_HEAD_LEN); + if ((int) spider_user_defined_key_parts(key_info) > start_pos) + { + if (desc_flg == TRUE) + { + for ( + key_part = key_info->key_part + start_pos, + length = 0; + length + start_pos < (int) spider_user_defined_key_parts(key_info); + key_part++, + length++ + ) { + field = key_part->field; + if (sql_part.reserve(SPIDER_SQL_NAME_QUOTE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_NAME_QUOTE_STR, + SPIDER_SQL_NAME_QUOTE_LEN); + if ((error_num = spider_db_append_name_with_quote_str(&sql_part, + field->field_name, spider_dbton_oracle.dbton_id))) + DBUG_RETURN(error_num); + if (key_part->key_part_flag & HA_REVERSE_SORT) + { + if (sql_part.reserve(SPIDER_SQL_NAME_QUOTE_LEN + + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_NAME_QUOTE_STR, + SPIDER_SQL_NAME_QUOTE_LEN); + sql_part.q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } else { + if (sql_part.reserve(SPIDER_SQL_NAME_QUOTE_LEN + + SPIDER_SQL_DESC_LEN + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_NAME_QUOTE_STR, + SPIDER_SQL_NAME_QUOTE_LEN); + sql_part.q_append(SPIDER_SQL_DESC_STR, SPIDER_SQL_DESC_LEN); + sql_part.q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + } + } else { + for ( + key_part = key_info->key_part + start_pos, + length = 0; + length + start_pos < (int) spider_user_defined_key_parts(key_info); + key_part++, + length++ + ) { + field = key_part->field; + if (sql_part.reserve(SPIDER_SQL_NAME_QUOTE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_NAME_QUOTE_STR, + SPIDER_SQL_NAME_QUOTE_LEN); + if ((error_num = spider_db_append_name_with_quote_str(&sql_part, + field->field_name, spider_dbton_oracle.dbton_id))) + DBUG_RETURN(error_num); + if (key_part->key_part_flag & HA_REVERSE_SORT) + { + if (sql_part.reserve(SPIDER_SQL_NAME_QUOTE_LEN + + SPIDER_SQL_DESC_LEN + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_NAME_QUOTE_STR, + SPIDER_SQL_NAME_QUOTE_LEN); + sql_part.q_append(SPIDER_SQL_DESC_STR, SPIDER_SQL_DESC_LEN); + sql_part.q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } else { + if (sql_part.reserve(SPIDER_SQL_NAME_QUOTE_LEN + + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_NAME_QUOTE_STR, + SPIDER_SQL_NAME_QUOTE_LEN); + sql_part.q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + } + } + } + if (desc_flg == TRUE) + { + if (sql_part.reserve(SPIDER_SQL_ROW_NUMBER_DESC_TAIL_LEN + + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN + sql.length() - table_name_pos + + SPIDER_SQL_FROM_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_ROW_NUMBER_DESC_TAIL_STR, + SPIDER_SQL_ROW_NUMBER_DESC_TAIL_LEN); + } else { + if (sql_part.reserve(SPIDER_SQL_ROW_NUMBER_TAIL_LEN + + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN + sql.length() - table_name_pos + + SPIDER_SQL_FROM_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_ROW_NUMBER_TAIL_STR, + SPIDER_SQL_ROW_NUMBER_TAIL_LEN); + } + pos_diff = sql_part.length() + SPIDER_SQL_FROM_LEN - table_name_pos; + sql_part.q_append(sql.ptr() + table_name_pos - SPIDER_SQL_FROM_LEN, + sql.length() - table_name_pos + SPIDER_SQL_FROM_LEN); + sql_part.q_append(SPIDER_SQL_SELECT_WRAPPER_TAIL_STR, + SPIDER_SQL_SELECT_WRAPPER_TAIL_LEN); + + if ((int) spider_user_defined_key_parts(key_info) > start_pos) + { + if (sql.reserve(SPIDER_SQL_ORDER_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_ORDER_STR, SPIDER_SQL_ORDER_LEN); + if (desc_flg == TRUE) + { + for ( + key_part = key_info->key_part + start_pos, + length = 0; + length + start_pos < (int) spider_user_defined_key_parts(key_info); + key_part++, + length++ + ) { + field = key_part->field; + if (sql.reserve(SPIDER_SQL_NAME_QUOTE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_NAME_QUOTE_STR, + SPIDER_SQL_NAME_QUOTE_LEN); + if ((error_num = spider_db_append_name_with_quote_str(&sql, + field->field_name, spider_dbton_oracle.dbton_id))) + DBUG_RETURN(error_num); + if (key_part->key_part_flag & HA_REVERSE_SORT) + { + if (sql.reserve(SPIDER_SQL_NAME_QUOTE_LEN + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_NAME_QUOTE_STR, + SPIDER_SQL_NAME_QUOTE_LEN); + sql.q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } else { + if (sql.reserve(SPIDER_SQL_NAME_QUOTE_LEN + SPIDER_SQL_DESC_LEN + + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_NAME_QUOTE_STR, + SPIDER_SQL_NAME_QUOTE_LEN); + sql.q_append(SPIDER_SQL_DESC_STR, SPIDER_SQL_DESC_LEN); + sql.q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + } + } else { + for ( + key_part = key_info->key_part + start_pos, + length = 0; + length + start_pos < (int) spider_user_defined_key_parts(key_info); + key_part++, + length++ + ) { + field = key_part->field; + if (sql.reserve(SPIDER_SQL_NAME_QUOTE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_NAME_QUOTE_STR, + SPIDER_SQL_NAME_QUOTE_LEN); + if ((error_num = spider_db_append_name_with_quote_str(&sql, + field->field_name, spider_dbton_oracle.dbton_id))) + DBUG_RETURN(error_num); + if (key_part->key_part_flag & HA_REVERSE_SORT) + { + if (sql.reserve(SPIDER_SQL_NAME_QUOTE_LEN + SPIDER_SQL_DESC_LEN + + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_NAME_QUOTE_STR, + SPIDER_SQL_NAME_QUOTE_LEN); + sql.q_append(SPIDER_SQL_DESC_STR, SPIDER_SQL_DESC_LEN); + sql.q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } else { + if (sql.reserve(SPIDER_SQL_NAME_QUOTE_LEN + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_NAME_QUOTE_STR, + SPIDER_SQL_NAME_QUOTE_LEN); + sql.q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + } + } + } + sql.length(sql.length() - SPIDER_SQL_COMMA_LEN); + } + DBUG_RETURN(0); +} + +int spider_oracle_copy_table::append_limit( + longlong offset, + longlong limit +) { + char buf[SPIDER_LONGLONG_LEN + 1]; + uint32 length; + DBUG_ENTER("spider_oracle_copy_table::append_limit"); + DBUG_PRINT("info",("spider this=%p", this)); + if (offset || limit < 9223372036854775807LL) + { + if (!select_rownum_appended) + { + select_rownum_appended = TRUE; + table_name_pos = table_name_pos + pos_diff; + if (sql.copy(sql_part)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + pos = pos + pos_diff; + } + if (offset) + { + if (sql.reserve(SPIDER_SQL_BETWEEN_LEN + SPIDER_SQL_AND_LEN + + ((SPIDER_LONGLONG_LEN) * 2))) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_BETWEEN_STR, SPIDER_SQL_BETWEEN_LEN); + length = (uint32) (my_charset_bin.longlong10_to_str)( + buf, SPIDER_LONGLONG_LEN + 1, -10, offset); + sql.q_append(buf, length); + sql.q_append(SPIDER_SQL_AND_STR, SPIDER_SQL_AND_LEN); + length = (uint32) (my_charset_bin.longlong10_to_str)( + buf, SPIDER_LONGLONG_LEN + 1, -10, limit); + sql.q_append(buf, length); + } else { + if (sql.reserve(SPIDER_SQL_HS_LTEQUAL_LEN + + (SPIDER_LONGLONG_LEN))) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_HS_LTEQUAL_STR, SPIDER_SQL_HS_LTEQUAL_LEN); + length = (uint32) (my_charset_bin.longlong10_to_str)( + buf, SPIDER_LONGLONG_LEN + 1, -10, limit); + sql.q_append(buf, length); + } + } + DBUG_RETURN(0); +} + +int spider_oracle_copy_table::append_into_str() +{ + DBUG_ENTER("spider_oracle_copy_table::append_into_str"); + DBUG_PRINT("info",("spider this=%p", this)); + if (sql.reserve(SPIDER_SQL_INTO_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_INTO_STR, SPIDER_SQL_INTO_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_copy_table::append_open_paren_str() +{ + DBUG_ENTER("spider_oracle_copy_table::append_open_paren_str"); + DBUG_PRINT("info",("spider this=%p", this)); + if (sql.reserve(SPIDER_SQL_OPEN_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_copy_table::append_values_str() +{ + DBUG_ENTER("spider_oracle_copy_table::append_values_str"); + DBUG_PRINT("info",("spider this=%p", this)); + if (sql.reserve(SPIDER_SQL_CLOSE_PAREN_LEN + SPIDER_SQL_VALUES_LEN + + SPIDER_SQL_OPEN_PAREN_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_CLOSE_PAREN_STR, SPIDER_SQL_CLOSE_PAREN_LEN); + sql.q_append(SPIDER_SQL_VALUES_STR, SPIDER_SQL_VALUES_LEN); + sql.q_append(SPIDER_SQL_OPEN_PAREN_STR, SPIDER_SQL_OPEN_PAREN_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_copy_table::append_select_lock_str( + int lock_mode +) { + DBUG_ENTER("spider_oracle_copy_table::append_select_lock_str"); + DBUG_PRINT("info",("spider this=%p", this)); + if (select_rownum_appended) + { + int error_num; + table_lock_mode = lock_mode; + sql_part.length(0); + if (sql_part.reserve(SPIDER_SQL_LOCK_TABLE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_LOCK_TABLE_STR, SPIDER_SQL_LOCK_TABLE_LEN); + if ((error_num = oracle_share->append_table_name(&sql_part, + store_link_idx))) + DBUG_RETURN(error_num); + if (lock_mode == SPIDER_LOCK_MODE_EXCLUSIVE) + { + if (sql_part.reserve(SPIDER_SQL_LOCK_TABLE_EXCLUSIVE_MODE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_LOCK_TABLE_EXCLUSIVE_MODE_STR, + SPIDER_SQL_LOCK_TABLE_EXCLUSIVE_MODE_LEN); + } else if (lock_mode == SPIDER_LOCK_MODE_SHARED) + { + if (sql_part.reserve(SPIDER_SQL_LOCK_TABLE_SHARE_MODE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql_part.q_append(SPIDER_SQL_LOCK_TABLE_SHARE_MODE_STR, + SPIDER_SQL_LOCK_TABLE_SHARE_MODE_LEN); + } + } else { + if (lock_mode == SPIDER_LOCK_MODE_EXCLUSIVE) + { + if (sql.reserve(SPIDER_SQL_FOR_UPDATE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_FOR_UPDATE_STR, SPIDER_SQL_FOR_UPDATE_LEN); + } else if (lock_mode == SPIDER_LOCK_MODE_SHARED) + { + if (sql.reserve(SPIDER_SQL_FOR_UPDATE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_FOR_UPDATE_STR, SPIDER_SQL_FOR_UPDATE_LEN); + } + } + DBUG_RETURN(0); +} + +int spider_oracle_copy_table::exec_query( + SPIDER_CONN *conn, + int quick_mode, + int *need_mon +) { + int error_num = 0; + DBUG_ENTER("spider_oracle_copy_table::exec_query"); + DBUG_PRINT("info",("spider this=%p", this)); + if (current_str) + { + spider_string *tmp_str = first_str; + while (tmp_str && tmp_str != current_str) + { + if ( + (error_num = spider_db_query(conn, tmp_str->ptr(), tmp_str->length(), + quick_mode, need_mon)) && + error_num != HA_ERR_FOUND_DUPP_KEY + ) { + break; + } + tmp_str = tmp_str->next; + } + if (tmp_str == current_str) + { + error_num = spider_db_query(conn, tmp_str->ptr(), tmp_str->length(), + quick_mode, need_mon); + } + if (error_num == HA_ERR_FOUND_DUPP_KEY) + error_num = 0; + current_str = NULL; + } else { + if (table_lock_mode) + { + DBUG_PRINT("info",("spider table_lock_mode=%d", table_lock_mode)); + spider_db_oracle *db_conn = (spider_db_oracle *) conn->db_conn; + db_conn->table_lock_mode = table_lock_mode; + db_conn->exec_lock_sql = &sql_part; + table_lock_mode = 0; + } + error_num = spider_db_query(conn, sql.ptr(), sql.length(), quick_mode, + need_mon); + } + DBUG_RETURN(error_num); +} + +int spider_oracle_copy_table::copy_key_row( + spider_db_copy_table *source_ct, + Field *field, + ulong *row_pos, + ulong *length, + const char *joint_str, + const int joint_length +) { + int error_num; + spider_string *source_str = &((spider_oracle_copy_table *) source_ct)->sql; + DBUG_ENTER("spider_oracle_copy_table::copy_key_row"); + DBUG_PRINT("info",("spider this=%p", this)); + if (sql.reserve(SPIDER_SQL_NAME_QUOTE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_NAME_QUOTE_STR, SPIDER_SQL_NAME_QUOTE_LEN); + if ((error_num = spider_db_append_name_with_quote_str(&sql, + field->field_name, spider_dbton_oracle.dbton_id))) + DBUG_RETURN(error_num); + if (sql.reserve(SPIDER_SQL_NAME_QUOTE_LEN + joint_length + *length + + SPIDER_SQL_AND_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + sql.q_append(SPIDER_SQL_NAME_QUOTE_STR, SPIDER_SQL_NAME_QUOTE_LEN); + sql.q_append(joint_str, joint_length); + sql.q_append(source_str->ptr() + *row_pos, *length); + sql.q_append(SPIDER_SQL_AND_STR, SPIDER_SQL_AND_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_copy_table::copy_row( + Field *field, + SPIDER_DB_ROW *row +) { + int error_num; + DBUG_ENTER("spider_oracle_copy_table::copy_row"); + DBUG_PRINT("info",("spider this=%p", this)); + if (row->is_null()) + { + DBUG_PRINT("info",("spider column is null")); + if (current_str->reserve(SPIDER_SQL_NULL_LEN + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + current_str->q_append(SPIDER_SQL_NULL_STR, SPIDER_SQL_NULL_LEN); + } else if (field->str_needs_quotes()) + { + DBUG_PRINT("info",("spider str_needs_quotes")); + if (current_str->reserve(SPIDER_SQL_VALUE_QUOTE_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + current_str->q_append(SPIDER_SQL_VALUE_QUOTE_STR, + SPIDER_SQL_VALUE_QUOTE_LEN); + if ((error_num = row->append_escaped_to_str(current_str, + spider_dbton_oracle.dbton_id))) + DBUG_RETURN(error_num); + if (current_str->reserve(SPIDER_SQL_VALUE_QUOTE_LEN + + SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + current_str->q_append(SPIDER_SQL_VALUE_QUOTE_STR, + SPIDER_SQL_VALUE_QUOTE_LEN); + } else { + DBUG_PRINT("info",("spider without_quotes")); + if ((error_num = row->append_to_str(current_str))) + DBUG_RETURN(error_num); + if (current_str->reserve(SPIDER_SQL_COMMA_LEN)) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + current_str->q_append(SPIDER_SQL_COMMA_STR, SPIDER_SQL_COMMA_LEN); + DBUG_RETURN(0); +} + +int spider_oracle_copy_table::copy_rows( + TABLE *table, + SPIDER_DB_ROW *row, + ulong **last_row_pos, + ulong **last_lengths +) { + int error_num; + Field **field; + ulong *lengths2, *row_pos2; + DBUG_ENTER("spider_oracle_copy_table::copy_rows"); + DBUG_PRINT("info",("spider this=%p", this)); + if (!current_str) + { + if (!first_str) + { + if (!(first_str = new spider_string[1])) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + first_str->init_calc_mem(216); + first_str->set_charset(sql.charset()); + if (first_str->reserve(sql.length())) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + first_str->q_append(sql.ptr(), sql.length()); + } else { + first_str->length(sql.length()); + } + current_str = first_str; + } else { + if (!current_str->next) + { + if (!(current_str->next = new spider_string[1])) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + current_str->next->init_calc_mem(217); + current_str->next->set_charset(sql.charset()); + if (current_str->next->reserve(sql.length())) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + current_str->next->q_append(sql.ptr(), sql.length()); + } else { + current_str->next->length(sql.length()); + } + current_str = current_str->next; + } + row_pos2 = *last_row_pos; + lengths2 = *last_lengths; + + for ( + field = table->field; + *field; + field++, + lengths2++ + ) { + *row_pos2 = current_str->length(); + if ((error_num = + copy_row(*field, row))) + DBUG_RETURN(error_num); + *lengths2 = current_str->length() - *row_pos2 - SPIDER_SQL_COMMA_LEN; + row->next(); + row_pos2++; + } + current_str->length(current_str->length() - SPIDER_SQL_COMMA_LEN); + if (current_str->reserve(SPIDER_SQL_CLOSE_PAREN_LEN)) + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + current_str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, + SPIDER_SQL_CLOSE_PAREN_LEN); + DBUG_PRINT("info",("spider current_str=%s", current_str->c_ptr_safe())); + DBUG_RETURN(0); +} + +int spider_oracle_copy_table::copy_rows( + TABLE *table, + SPIDER_DB_ROW *row +) { + int error_num; + Field **field; + DBUG_ENTER("spider_oracle_copy_table::copy_rows"); + DBUG_PRINT("info",("spider this=%p", this)); + if (!current_str) + { + if (!first_str) + { + if (!(first_str = new spider_string[1])) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + first_str->init_calc_mem(218); + first_str->set_charset(sql.charset()); + if (first_str->reserve(sql.length())) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + first_str->q_append(sql.ptr(), sql.length()); + } else { + first_str->length(sql.length()); + } + current_str = first_str; + } else { + if (!current_str->next) + { + if (!(current_str->next = new spider_string[1])) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + current_str->next->init_calc_mem(219); + current_str->next->set_charset(sql.charset()); + if (current_str->next->reserve(sql.length())) + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + current_str->next->q_append(sql.ptr(), sql.length()); + } else { + current_str->next->length(sql.length()); + } + current_str = current_str->next; + } + + for ( + field = table->field; + *field; + field++ + ) { + if ((error_num = + copy_row(*field, row))) + DBUG_RETURN(error_num); + row->next(); + } + current_str->length(current_str->length() - SPIDER_SQL_COMMA_LEN); + if (current_str->reserve(SPIDER_SQL_CLOSE_PAREN_LEN)) + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + current_str->q_append(SPIDER_SQL_CLOSE_PAREN_STR, + SPIDER_SQL_CLOSE_PAREN_LEN); + DBUG_PRINT("info",("spider current_str=%s", current_str->c_ptr_safe())); + DBUG_RETURN(0); +} + +int spider_oracle_copy_table::append_insert_terminator() +{ + DBUG_ENTER("spider_oracle_copy_table::append_insert_terminator"); + DBUG_PRINT("info",("spider this=%p", this)); + DBUG_RETURN(0); +} + +int spider_oracle_copy_table::copy_insert_values( + spider_db_copy_table *source_ct +) { + spider_oracle_copy_table *tmp_ct = (spider_oracle_copy_table *) source_ct; + spider_string *source_str = &tmp_ct->sql; + int values_length = source_str->length() - tmp_ct->pos; + const char *values_ptr = source_str->ptr() + tmp_ct->pos; + DBUG_ENTER("spider_oracle_copy_table::copy_insert_values"); + DBUG_PRINT("info",("spider this=%p", this)); + if (sql.reserve(values_length)) + { + DBUG_RETURN(HA_ERR_OUT_OF_MEM); + } + sql.q_append(values_ptr, values_length); + DBUG_RETURN(0); +} +#endif |