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Diffstat (limited to 'sql/unireg.h')
| -rw-r--r-- | sql/unireg.h | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/sql/unireg.h b/sql/unireg.h new file mode 100644 index 00000000..1eec3585 --- /dev/null +++ b/sql/unireg.h @@ -0,0 +1,228 @@ +#ifndef UNIREG_INCLUDED +#define UNIREG_INCLUDED + +/* + Copyright (c) 2000, 2011, Oracle and/or its affiliates. + + 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 */ + + +#include <mysql_version.h> /* FRM_VER */ + +/* Extra functions used by unireg library */ + +#ifndef NO_ALARM_LOOP +#define NO_ALARM_LOOP /* lib5 and popen can't use alarm */ +#endif + +/* These paths are converted to other systems (WIN95) before use */ + +#define LANGUAGE "english/" +#define ERRMSG_FILE "errmsg.sys" +#define TEMP_PREFIX "MY" +#define LOG_PREFIX "ML" +#define PROGDIR "bin/" +#ifndef MYSQL_DATADIR +#define MYSQL_DATADIR "data/" +#endif +#ifndef SHAREDIR +#define SHAREDIR "share/" +#endif +#ifndef PLUGINDIR +#define PLUGINDIR "lib/plugin" +#endif + +#define MAX_ERROR_RANGES 4 /* 1000-2000, 2000-3000, 3000-4000, 4000-5000 */ +#define ERRORS_PER_RANGE 1000 + +#define DEFAULT_ERRMSGS my_default_lc_messages->errmsgs->errmsgs +#define CURRENT_THD_ERRMSGS (current_thd)->variables.errmsgs + +#ifndef mysqld_error_find_printf_error_used +#define ER_DEFAULT(X) DEFAULT_ERRMSGS[((X)-ER_ERROR_FIRST) / ERRORS_PER_RANGE][(X)% ERRORS_PER_RANGE] +#define ER_THD(thd,X) ((thd)->variables.errmsgs[((X)-ER_ERROR_FIRST) / ERRORS_PER_RANGE][(X) % ERRORS_PER_RANGE]) +#define ER(X) ER_THD(current_thd, (X)) +#endif +#define ER_THD_OR_DEFAULT(thd,X) ((thd) ? ER_THD(thd, (X)) : ER_DEFAULT(X)) + +#define SPECIAL_USE_LOCKS 1 /* Lock used databases */ +#define SPECIAL_NO_NEW_FUNC 2 /* Skip new functions */ +#define SPECIAL_SKIP_SHOW_DB 4 /* Don't allow 'show db' */ +#define SPECIAL_WAIT_IF_LOCKED 8 /* Wait if locked database */ +#define SPECIAL_SAME_DB_NAME 16 /* form name = file name */ +#define SPECIAL_ENGLISH 32 /* English error messages */ +#define SPECIAL_NO_RESOLVE 64 /* Obsolete */ +#define SPECIAL_NO_PRIOR 128 /* Obsolete */ +#define SPECIAL_BIG_SELECTS 256 /* Don't use heap tables */ +#define SPECIAL_NO_HOST_CACHE 512 /* Don't cache hosts */ +#define SPECIAL_SHORT_LOG_FORMAT 1024 +#define SPECIAL_SAFE_MODE 2048 +#define SPECIAL_LOG_QUERIES_NOT_USING_INDEXES 4096 /* Obsolete */ + + /* Extern defines */ +#define store_record(A,B) memcpy((A)->B,(A)->record[0],(size_t) (A)->s->reclength) +#define restore_record(A,B) memcpy((A)->record[0],(A)->B,(size_t) (A)->s->reclength) +#define cmp_record(A,B) memcmp((A)->record[0],(A)->B,(size_t) (A)->s->reclength) +#define empty_record(A) { \ + restore_record((A),s->default_values); \ + if ((A)->s->null_bytes) \ + bfill((A)->null_flags,(A)->s->null_bytes,255); \ + } + + /* Defines for use with openfrm, openprt and openfrd */ + +#define READ_ALL (1 << 0) /* openfrm: Read all parameters */ +#define EXTRA_RECORD (1 << 3) /* Reserve space for an extra record */ +#define DELAYED_OPEN (1 << 12) /* Open table later */ +#define OPEN_VIEW_NO_PARSE (1 << 14) /* Open frm only if it's a view, + but do not parse view itself */ +/** + This flag is used in function get_all_tables() which fills + I_S tables with data which are retrieved from frm files and storage engine + The flag means that we need to open FRM file only to get necessary data. +*/ +#define OPEN_FRM_FILE_ONLY (1 << 15) +/** + This flag is used in function get_all_tables() which fills + I_S tables with data which are retrieved from frm files and storage engine + The flag means that we need to process tables only to get necessary data. + Views are not processed. +*/ +#define OPEN_TABLE_ONLY (1 << 16) +/** + This flag is used in function get_all_tables() which fills + I_S tables with data which are retrieved from frm files and storage engine + The flag means that we need to process views only to get necessary data. + Tables are not processed. +*/ +#define OPEN_VIEW_ONLY (1 << 17) +/** + This flag is used in function get_all_tables() which fills + I_S tables with data which are retrieved from frm files and storage engine. + The flag means that we need to open a view using + open_normal_and_derived_tables() function. +*/ +#define OPEN_VIEW_FULL (1 << 18) +/** + This flag is used in function get_all_tables() which fills + I_S tables with data which are retrieved from frm files and storage engine. + The flag means that I_S table uses optimization algorithm. +*/ +#define OPTIMIZE_I_S_TABLE (1 << 19) +/** + This flag is used to instruct tdc_open_view() to check metadata version. +*/ +#define CHECK_METADATA_VERSION (1 << 20) + +/* + The flag means that we need to process trigger files only. +*/ +#define OPEN_TRIGGER_ONLY (1 << 21) + +/* + Minimum length pattern before Turbo Boyer-Moore is used + for SELECT "text" LIKE "%pattern%", excluding the two + wildcards in class Item_func_like. +*/ +#define MIN_TURBOBM_PATTERN_LEN 3 + +/* + Defines for binary logging. + Do not decrease the value of BIN_LOG_HEADER_SIZE. + Do not even increase it before checking code. +*/ + +#define BIN_LOG_HEADER_SIZE 4 + +#define DEFAULT_KEY_CACHE_NAME "default" + + +/* Include prototypes for unireg */ + +#include "mysqld_error.h" +#include "structs.h" /* All structs we need */ +#include "sql_list.h" /* List<> */ +#include "field.h" /* Create_field */ + +/* + Types of values in the MariaDB extra2 frm segment. + Each value is written as + type: 1 byte + length: 1 byte (1..255) or \0 and 2 bytes. + binary value of the 'length' bytes. + + Older MariaDB servers can ignore values of unknown types if + the type code is less than 128 (EXTRA2_ENGINE_IMPORTANT). + Otherwise older (but newer than 10.0.1) servers are required + to report an error. +*/ +enum extra2_frm_value_type { + EXTRA2_TABLEDEF_VERSION=0, + EXTRA2_DEFAULT_PART_ENGINE=1, + EXTRA2_GIS=2, + EXTRA2_APPLICATION_TIME_PERIOD=3, + EXTRA2_PERIOD_FOR_SYSTEM_TIME=4, + EXTRA2_INDEX_FLAGS=5, + +#define EXTRA2_ENGINE_IMPORTANT 128 + + EXTRA2_ENGINE_TABLEOPTS=128, + EXTRA2_FIELD_FLAGS=129, + EXTRA2_FIELD_DATA_TYPE_INFO=130, + EXTRA2_PERIOD_WITHOUT_OVERLAPS=131, +}; + +enum extra2_field_flags { + VERS_OPTIMIZED_UPDATE= 1 << INVISIBLE_MAX_BITS, +}; + +enum extra2_index_flags { + EXTRA2_DEFAULT_INDEX_FLAGS, + EXTRA2_IGNORED_KEY +}; + + +static inline size_t extra2_read_len(const uchar **extra2, const uchar *end) +{ + size_t length= *(*extra2)++; + if (length) + return length; + + if ((*extra2) + 2 >= end) + return 0; + length= uint2korr(*extra2); + (*extra2)+= 2; + if (length < 256 || *extra2 + length > end) + return 0; + return length; +} + +LEX_CUSTRING build_frm_image(THD *thd, const LEX_CSTRING &table, + HA_CREATE_INFO *create_info, + List<Create_field> &create_fields, + uint keys, KEY *key_info, handler *db_file); + +#define FRM_HEADER_SIZE 64 +#define FRM_FORMINFO_SIZE 288 +#define FRM_MAX_SIZE (1024*1024) + +static inline bool is_binary_frm_header(uchar *head) +{ + return head[0] == 254 + && head[1] == 1 + && head[2] >= FRM_VER + && head[2] <= FRM_VER_CURRENT; +} + +#endif |