diff options
Diffstat (limited to 'storage/perfschema/table_helper.cc')
| -rw-r--r-- | storage/perfschema/table_helper.cc | 896 |
1 files changed, 896 insertions, 0 deletions
diff --git a/storage/perfschema/table_helper.cc b/storage/perfschema/table_helper.cc new file mode 100644 index 00000000..55b13971 --- /dev/null +++ b/storage/perfschema/table_helper.cc @@ -0,0 +1,896 @@ +/* Copyright (c) 2010, 2016, Oracle and/or its affiliates. All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License, version 2.0, + as published by the Free Software Foundation. + + This program is also distributed with certain software (including + but not limited to OpenSSL) that is licensed under separate terms, + as designated in a particular file or component or in included license + documentation. The authors of MySQL hereby grant you an additional + permission to link the program and your derivative works with the + separately licensed software that they have included with MySQL. + + 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, version 2.0, 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 */ + +/** + @file storage/perfschema/table_helper.cc + Performance schema table helpers (implementation). +*/ + +#include "my_global.h" +#include "my_thread.h" +#include "pfs_engine_table.h" +#include "table_helper.h" +#include "pfs_host.h" +#include "pfs_user.h" +#include "pfs_account.h" +#include "pfs_instr.h" +#include "pfs_program.h" +#include "field.h" +#include "pfs_variable.h" + +int PFS_host_row::make_row(PFS_host *pfs) +{ + m_hostname_length= pfs->m_hostname_length; + if (m_hostname_length > sizeof(m_hostname)) + return 1; + if (m_hostname_length > 0) + memcpy(m_hostname, pfs->m_hostname, sizeof(m_hostname)); + return 0; +} + +void PFS_host_row::set_field(Field *f) +{ + if (m_hostname_length > 0) + PFS_engine_table::set_field_char_utf8(f, m_hostname, m_hostname_length); + else + f->set_null(); +} + +int PFS_user_row::make_row(PFS_user *pfs) +{ + m_username_length= pfs->m_username_length; + if (m_username_length > sizeof(m_username)) + return 1; + if (m_username_length > 0) + memcpy(m_username, pfs->m_username, sizeof(m_username)); + return 0; +} + +void PFS_user_row::set_field(Field *f) +{ + if (m_username_length > 0) + PFS_engine_table::set_field_char_utf8(f, m_username, m_username_length); + else + f->set_null(); +} + +int PFS_account_row::make_row(PFS_account *pfs) +{ + m_username_length= pfs->m_username_length; + if (m_username_length > sizeof(m_username)) + return 1; + if (m_username_length > 0) + memcpy(m_username, pfs->m_username, sizeof(m_username)); + + m_hostname_length= pfs->m_hostname_length; + if (m_hostname_length > sizeof(m_hostname)) + return 1; + if (m_hostname_length > 0) + memcpy(m_hostname, pfs->m_hostname, sizeof(m_hostname)); + + return 0; +} + +void PFS_account_row::set_field(uint index, Field *f) +{ + switch (index) + { + case 0: /* USER */ + if (m_username_length > 0) + PFS_engine_table::set_field_char_utf8(f, m_username, m_username_length); + else + f->set_null(); + break; + case 1: /* HOST */ + if (m_hostname_length > 0) + PFS_engine_table::set_field_char_utf8(f, m_hostname, m_hostname_length); + else + f->set_null(); + break; + default: + DBUG_ASSERT(false); + break; + } +} + +int PFS_digest_row::make_row(PFS_statements_digest_stat* pfs) +{ + m_schema_name_length= pfs->m_digest_key.m_schema_name_length; + if (m_schema_name_length > sizeof(m_schema_name)) + m_schema_name_length= 0; + if (m_schema_name_length > 0) + memcpy(m_schema_name, pfs->m_digest_key.m_schema_name, m_schema_name_length); + + size_t safe_byte_count= pfs->m_digest_storage.m_byte_count; + if (safe_byte_count > pfs_max_digest_length) + safe_byte_count= 0; + + /* + "0" value for byte_count indicates special entry i.e. aggregated + stats at index 0 of statements_digest_stat_array. So do not calculate + digest/digest_text as it should always be "NULL". + */ + if (safe_byte_count > 0) + { + /* + Calculate digest from MD5 HASH collected to be shown as + DIGEST in this row. + */ + MD5_HASH_TO_STRING(pfs->m_digest_storage.m_md5, m_digest); + m_digest_length= MD5_HASH_TO_STRING_LENGTH; + + /* + Calculate digest_text information from the token array collected + to be shown as DIGEST_TEXT column. + */ + compute_digest_text(&pfs->m_digest_storage, &m_digest_text); + + if (m_digest_text.length() == 0) + m_digest_length= 0; + } + else + { + m_digest_length= 0; + } + + return 0; +} + +void PFS_digest_row::set_field(uint index, Field *f) +{ + switch (index) + { + case 0: /* SCHEMA_NAME */ + if (m_schema_name_length > 0) + PFS_engine_table::set_field_varchar_utf8(f, m_schema_name, + m_schema_name_length); + else + f->set_null(); + break; + case 1: /* DIGEST */ + if (m_digest_length > 0) + PFS_engine_table::set_field_varchar_utf8(f, m_digest, + m_digest_length); + else + f->set_null(); + break; + case 2: /* DIGEST_TEXT */ + if (m_digest_text.length() > 0) + PFS_engine_table::set_field_longtext_utf8(f, m_digest_text.ptr(), + m_digest_text.length()); + else + f->set_null(); + break; + default: + DBUG_ASSERT(false); + break; + } +} + +int PFS_object_row::make_row(PFS_table_share *pfs) +{ + m_object_type= pfs->get_object_type(); + + m_schema_name_length= pfs->m_schema_name_length; + if (m_schema_name_length > sizeof(m_schema_name)) + return 1; + if (m_schema_name_length > 0) + memcpy(m_schema_name, pfs->m_schema_name, sizeof(m_schema_name)); + + m_object_name_length= pfs->m_table_name_length; + if (m_object_name_length > sizeof(m_object_name)) + return 1; + if (m_object_name_length > 0) + memcpy(m_object_name, pfs->m_table_name, sizeof(m_object_name)); + + return 0; +} + +int PFS_object_row::make_row(PFS_program *pfs) +{ + m_object_type= pfs->m_type; + + m_schema_name_length= pfs->m_schema_name_length; + if (m_schema_name_length > sizeof(m_schema_name)) + return 1; + if (m_schema_name_length > 0) + memcpy(m_schema_name, pfs->m_schema_name, sizeof(m_schema_name)); + + m_object_name_length= pfs->m_object_name_length; + if (m_object_name_length > sizeof(m_object_name)) + return 1; + if (m_object_name_length > 0) + memcpy(m_object_name, pfs->m_object_name, sizeof(m_object_name)); + + return 0; +} + +int PFS_object_row::make_row(const MDL_key *mdl) +{ + MDL_key user_lock_workaround; + switch(mdl->mdl_namespace()) + { + case MDL_key::BACKUP: + m_object_type= OBJECT_TYPE_BACKUP; + m_schema_name_length= 0; + m_object_name_length= 0; + break; + case MDL_key::SCHEMA: + m_object_type= OBJECT_TYPE_SCHEMA; + m_schema_name_length= mdl->db_name_length(); + m_object_name_length= 0; + break; + case MDL_key::TABLE: + m_object_type= OBJECT_TYPE_TABLE; + m_schema_name_length= mdl->db_name_length(); + m_object_name_length= mdl->name_length(); + break; + case MDL_key::FUNCTION: + m_object_type= OBJECT_TYPE_FUNCTION; + m_schema_name_length= mdl->db_name_length(); + m_object_name_length= mdl->name_length(); + break; + case MDL_key::PROCEDURE: + m_object_type= OBJECT_TYPE_PROCEDURE; + m_schema_name_length= mdl->db_name_length(); + m_object_name_length= mdl->name_length(); + break; + case MDL_key::PACKAGE_BODY: + m_object_type= OBJECT_TYPE_PACKAGE_BODY; + m_schema_name_length= mdl->db_name_length(); + m_object_name_length= mdl->name_length(); + break; + case MDL_key::TRIGGER: + m_object_type= OBJECT_TYPE_TRIGGER; + m_schema_name_length= mdl->db_name_length(); + m_object_name_length= mdl->name_length(); + break; + case MDL_key::EVENT: + m_object_type= OBJECT_TYPE_EVENT; + m_schema_name_length= mdl->db_name_length(); + m_object_name_length= mdl->name_length(); + break; + case MDL_key::USER_LOCK: + m_object_type= OBJECT_TYPE_USER_LEVEL_LOCK; + user_lock_workaround.mdl_key_init(MDL_key::USER_LOCK, "", mdl->db_name()); + mdl=& user_lock_workaround; + m_schema_name_length= 0; + m_object_name_length= mdl->name_length(); + break; + case MDL_key::NAMESPACE_END: + default: + m_object_type= NO_OBJECT_TYPE; + m_schema_name_length= 0; + m_object_name_length= 0; + break; + } + + if (m_schema_name_length > sizeof(m_schema_name)) + return 1; + if (m_schema_name_length > 0) + memcpy(m_schema_name, mdl->db_name(), m_schema_name_length); + + if (m_object_name_length > sizeof(m_object_name)) + return 1; + if (m_object_name_length > 0) + memcpy(m_object_name, mdl->name(), m_object_name_length); + + return 0; +} + +void PFS_object_row::set_field(uint index, Field *f) +{ + switch(index) + { + case 0: /* OBJECT_TYPE */ + set_field_object_type(f, m_object_type); + break; + case 1: /* SCHEMA_NAME */ + PFS_engine_table::set_field_varchar_utf8(f, m_schema_name, m_schema_name_length); + break; + case 2: /* OBJECT_NAME */ + PFS_engine_table::set_field_varchar_utf8(f, m_object_name, m_object_name_length); + break; + default: + DBUG_ASSERT(false); + } +} + +void PFS_object_row::set_nullable_field(uint index, Field *f) +{ + switch(index) + { + case 0: /* OBJECT_TYPE */ + if (m_object_type != NO_OBJECT_TYPE) + set_field_object_type(f, m_object_type); + else + f->set_null(); + break; + case 1: /* SCHEMA_NAME */ + if (m_schema_name_length > 0) + PFS_engine_table::set_field_varchar_utf8(f, m_schema_name, m_schema_name_length); + else + f->set_null(); + break; + case 2: /* OBJECT_NAME */ + if (m_object_name_length > 0) + PFS_engine_table::set_field_varchar_utf8(f, m_object_name, m_object_name_length); + else + f->set_null(); + break; + default: + DBUG_ASSERT(false); + } +} + +int PFS_index_row::make_row(PFS_table_share *pfs, + PFS_table_share_index *pfs_index, + uint table_index) +{ + if (m_object_row.make_row(pfs)) + return 1; + + if (pfs_index == NULL) + { + if (table_index < MAX_INDEXES) + { + m_index_name_length= sprintf(m_index_name, "(index %d)", table_index); + } + else + { + m_index_name_length= 0; + } + return 0; + } + + if (table_index < MAX_INDEXES) + { + m_index_name_length= pfs_index->m_key.m_name_length; + if (m_index_name_length > sizeof(m_index_name)) + return 1; + + memcpy(m_index_name, pfs_index->m_key.m_name, sizeof(m_index_name)); + } + else + { + m_index_name_length= 0; + } + + return 0; +} + +void PFS_index_row::set_field(uint index, Field *f) +{ + switch(index) + { + case 0: /* OBJECT_TYPE */ + case 1: /* SCHEMA_NAME */ + case 2: /* OBJECT_NAME */ + m_object_row.set_field(index, f); + break; + case 3: /* INDEX_NAME */ + if (m_index_name_length > 0) + PFS_engine_table::set_field_varchar_utf8(f, m_index_name, m_index_name_length); + else + f->set_null(); + break; + default: + DBUG_ASSERT(false); + } +} + +void PFS_statement_stat_row::set_field(uint index, Field *f) +{ + switch (index) + { + case 0: /* COUNT_STAR */ + case 1: /* SUM_TIMER_WAIT */ + case 2: /* MIN_TIMER_WAIT */ + case 3: /* AVG_TIMER_WAIT */ + case 4: /* MAX_TIMER_WAIT */ + m_timer1_row.set_field(index, f); + break; + case 5: /* SUM_LOCK_TIME */ + PFS_engine_table::set_field_ulonglong(f, m_lock_time); + break; + case 6: /* SUM_ERRORS */ + PFS_engine_table::set_field_ulonglong(f, m_error_count); + break; + case 7: /* SUM_WARNINGS */ + PFS_engine_table::set_field_ulonglong(f, m_warning_count); + break; + case 8: /* SUM_ROWS_AFFECTED */ + PFS_engine_table::set_field_ulonglong(f, m_rows_affected); + break; + case 9: /* SUM_ROWS_SENT */ + PFS_engine_table::set_field_ulonglong(f, m_rows_sent); + break; + case 10: /* SUM_ROWS_EXAMINED */ + PFS_engine_table::set_field_ulonglong(f, m_rows_examined); + break; + case 11: /* SUM_CREATED_TMP_DISK_TABLES */ + PFS_engine_table::set_field_ulonglong(f, m_created_tmp_disk_tables); + break; + case 12: /* SUM_CREATED_TMP_TABLES */ + PFS_engine_table::set_field_ulonglong(f, m_created_tmp_tables); + break; + case 13: /* SUM_SELECT_FULL_JOIN */ + PFS_engine_table::set_field_ulonglong(f, m_select_full_join); + break; + case 14: /* SUM_SELECT_FULL_RANGE_JOIN */ + PFS_engine_table::set_field_ulonglong(f, m_select_full_range_join); + break; + case 15: /* SUM_SELECT_RANGE */ + PFS_engine_table::set_field_ulonglong(f, m_select_range); + break; + case 16: /* SUM_SELECT_RANGE_CHECK */ + PFS_engine_table::set_field_ulonglong(f, m_select_range_check); + break; + case 17: /* SUM_SELECT_SCAN */ + PFS_engine_table::set_field_ulonglong(f, m_select_scan); + break; + case 18: /* SUM_SORT_MERGE_PASSES */ + PFS_engine_table::set_field_ulonglong(f, m_sort_merge_passes); + break; + case 19: /* SUM_SORT_RANGE */ + PFS_engine_table::set_field_ulonglong(f, m_sort_range); + break; + case 20: /* SUM_SORT_ROWS */ + PFS_engine_table::set_field_ulonglong(f, m_sort_rows); + break; + case 21: /* SUM_SORT_SCAN */ + PFS_engine_table::set_field_ulonglong(f, m_sort_scan); + break; + case 22: /* SUM_NO_INDEX_USED */ + PFS_engine_table::set_field_ulonglong(f, m_no_index_used); + break; + case 23: /* SUM_NO_GOOD_INDEX_USED */ + PFS_engine_table::set_field_ulonglong(f, m_no_good_index_used); + break; + default: + DBUG_ASSERT(false); + break; + } +} + +void PFS_transaction_stat_row::set_field(uint index, Field *f) +{ + switch (index) + { + case 0: /* COUNT_STAR */ + case 1: /* SUM_TIMER_WAIT */ + case 2: /* MIN_TIMER_WAIT */ + case 3: /* AVG_TIMER_WAIT */ + case 4: /* MAX_TIMER_WAIT */ + m_timer1_row.set_field(index, f); + break; + case 5: /* COUNT_READ_WRITE */ + case 6: /* SUM_TIMER_READ_WRITE */ + case 7: /* MIN_TIMER_READ_WRITE */ + case 8: /* AVG_TIMER_READ_WRITE */ + case 9: /* MAX_TIMER_READ_WRITE */ + m_read_write_row.set_field(index-5, f); + break; + case 10: /* COUNT_READ_ONLY */ + case 11: /* SUM_TIMER_READ_ONLY */ + case 12: /* MIN_TIMER_READ_ONLY */ + case 13: /* AVG_TIMER_READ_ONLY */ + case 14: /* MAX_TIMER_READ_ONLY */ + m_read_only_row.set_field(index-10, f); + break; + default: + DBUG_ASSERT(false); + break; + } +} + +void PFS_connection_stat_row::set_field(uint index, Field *f) +{ + switch (index) + { + case 0: /* CURRENT_CONNECTIONS */ + PFS_engine_table::set_field_ulonglong(f, m_current_connections); + break; + case 1: /* TOTAL_CONNECTIONS */ + PFS_engine_table::set_field_ulonglong(f, m_total_connections); + break; + default: + DBUG_ASSERT(false); + break; + } +} + +void set_field_object_type(Field *f, enum_object_type object_type) +{ + switch (object_type) + { + case OBJECT_TYPE_EVENT: + PFS_engine_table::set_field_varchar_utf8(f, "EVENT", 5); + break; + case OBJECT_TYPE_FUNCTION: + PFS_engine_table::set_field_varchar_utf8(f, "FUNCTION", 8); + break; + case OBJECT_TYPE_PROCEDURE: + PFS_engine_table::set_field_varchar_utf8(f, "PROCEDURE", 9); + break; + case OBJECT_TYPE_TABLE: + PFS_engine_table::set_field_varchar_utf8(f, "TABLE", 5); + break; + case OBJECT_TYPE_TEMPORARY_TABLE: + PFS_engine_table::set_field_varchar_utf8(f, "TEMPORARY TABLE", 15); + break; + case OBJECT_TYPE_TRIGGER: + PFS_engine_table::set_field_varchar_utf8(f, "TRIGGER", 7); + break; + case OBJECT_TYPE_BACKUP: + PFS_engine_table::set_field_varchar_utf8(f, "BACKUP", 6); + break; + case OBJECT_TYPE_SCHEMA: + PFS_engine_table::set_field_varchar_utf8(f, "SCHEMA", 6); + break; + case OBJECT_TYPE_PACKAGE_BODY: + PFS_engine_table::set_field_varchar_utf8(f, "PACKAGE BODY", 12); + break; + case OBJECT_TYPE_USER_LEVEL_LOCK: + PFS_engine_table::set_field_varchar_utf8(f, "USER LEVEL LOCK", 15); + break; + case NO_OBJECT_TYPE: + default: + DBUG_ASSERT(false); + PFS_engine_table::set_field_varchar_utf8(f, "", 0); + break; + } +} + +void set_field_lock_type(Field *f, PFS_TL_LOCK_TYPE lock_type) +{ + switch (lock_type) + { + case PFS_TL_READ: + PFS_engine_table::set_field_varchar_utf8(f, "READ", 4); + break; + case PFS_TL_READ_WITH_SHARED_LOCKS: + PFS_engine_table::set_field_varchar_utf8(f, "READ WITH SHARED LOCKS", 22); + break; + case PFS_TL_READ_HIGH_PRIORITY: + PFS_engine_table::set_field_varchar_utf8(f, "READ HIGH PRIORITY", 18); + break; + case PFS_TL_READ_NO_INSERT: + PFS_engine_table::set_field_varchar_utf8(f, "READ NO INSERT", 14); + break; + case PFS_TL_WRITE_ALLOW_WRITE: + PFS_engine_table::set_field_varchar_utf8(f, "WRITE ALLOW WRITE", 17); + break; + case PFS_TL_WRITE_CONCURRENT_INSERT: + PFS_engine_table::set_field_varchar_utf8(f, "WRITE CONCURRENT INSERT", 23); + break; + case PFS_TL_WRITE_LOW_PRIORITY: + PFS_engine_table::set_field_varchar_utf8(f, "WRITE LOW PRIORITY", 18); + break; + case PFS_TL_WRITE: + PFS_engine_table::set_field_varchar_utf8(f, "WRITE", 5); + break; + case PFS_TL_READ_EXTERNAL: + PFS_engine_table::set_field_varchar_utf8(f, "READ EXTERNAL", 13); + break; + case PFS_TL_WRITE_EXTERNAL: + PFS_engine_table::set_field_varchar_utf8(f, "WRITE EXTERNAL", 14); + break; + case PFS_TL_NONE: + f->set_null(); + break; + default: + DBUG_ASSERT(false); + } +} + +void set_field_mdl_type(Field *f, opaque_mdl_type mdl_type, bool backup) +{ + if (backup) + { + switch (mdl_type) + { + case MDL_BACKUP_START: + PFS_engine_table::set_field_varchar_utf8(f, STRING_WITH_LEN("BACKUP_START")); + break; + case MDL_BACKUP_FLUSH: + PFS_engine_table::set_field_varchar_utf8(f, STRING_WITH_LEN("BACKUP_FLUSH")); + break; + case MDL_BACKUP_WAIT_FLUSH: + PFS_engine_table::set_field_varchar_utf8(f, STRING_WITH_LEN("BACKUP_WAIT_FLUSH")); + break; + case MDL_BACKUP_WAIT_DDL: + PFS_engine_table::set_field_varchar_utf8(f, STRING_WITH_LEN("BACKUP_WAIT_DDL")); + break; + case MDL_BACKUP_WAIT_COMMIT: + PFS_engine_table::set_field_varchar_utf8(f, STRING_WITH_LEN("BACKUP_WAIT_COMMIT")); + break; + case MDL_BACKUP_FTWRL1: + PFS_engine_table::set_field_varchar_utf8(f, STRING_WITH_LEN("BACKUP_FTWRL1")); + break; + case MDL_BACKUP_FTWRL2: + PFS_engine_table::set_field_varchar_utf8(f, STRING_WITH_LEN("BACKUP_FTWRL2")); + break; + case MDL_BACKUP_DML: + PFS_engine_table::set_field_varchar_utf8(f, STRING_WITH_LEN("BACKUP_DML")); + break; + case MDL_BACKUP_TRANS_DML: + PFS_engine_table::set_field_varchar_utf8(f, STRING_WITH_LEN("BACKUP_TRANS_DML")); + break; + case MDL_BACKUP_SYS_DML: + PFS_engine_table::set_field_varchar_utf8(f, STRING_WITH_LEN("BACKUP_SYS_DML")); + break; + case MDL_BACKUP_DDL: + PFS_engine_table::set_field_varchar_utf8(f, STRING_WITH_LEN("BACKUP_DDL")); + break; + case MDL_BACKUP_BLOCK_DDL: + PFS_engine_table::set_field_varchar_utf8(f, STRING_WITH_LEN("BACKUP_BLOCK_DDL")); + break; + case MDL_BACKUP_ALTER_COPY: + PFS_engine_table::set_field_varchar_utf8(f, STRING_WITH_LEN("BACKUP_ALTER_COPY")); + break; + case MDL_BACKUP_COMMIT: + PFS_engine_table::set_field_varchar_utf8(f, STRING_WITH_LEN("BACKUP_COMMIT")); + break; + case MDL_BACKUP_END: + PFS_engine_table::set_field_varchar_utf8(f, STRING_WITH_LEN("BACKUP_END")); + break; + default: + DBUG_ASSERT(false); + } + } + else + { + enum_mdl_type e= (enum_mdl_type) mdl_type; + switch (e) + { + case MDL_INTENTION_EXCLUSIVE: + PFS_engine_table::set_field_varchar_utf8(f, "INTENTION_EXCLUSIVE", 19); + break; + case MDL_SHARED: + PFS_engine_table::set_field_varchar_utf8(f, "SHARED", 6); + break; + case MDL_SHARED_HIGH_PRIO: + PFS_engine_table::set_field_varchar_utf8(f, "SHARED_HIGH_PRIO", 16); + break; + case MDL_SHARED_READ: + PFS_engine_table::set_field_varchar_utf8(f, "SHARED_READ", 11); + break; + case MDL_SHARED_WRITE: + PFS_engine_table::set_field_varchar_utf8(f, "SHARED_WRITE", 12); + break; + case MDL_SHARED_UPGRADABLE: + PFS_engine_table::set_field_varchar_utf8(f, "SHARED_UPGRADABLE", 17); + break; + case MDL_SHARED_NO_WRITE: + PFS_engine_table::set_field_varchar_utf8(f, "SHARED_NO_WRITE", 15); + break; + case MDL_SHARED_NO_READ_WRITE: + PFS_engine_table::set_field_varchar_utf8(f, "SHARED_NO_READ_WRITE", 20); + break; + case MDL_EXCLUSIVE: + PFS_engine_table::set_field_varchar_utf8(f, "EXCLUSIVE", 9); + break; + default: + DBUG_ASSERT(false); + } + } +} + +void set_field_mdl_duration(Field *f, opaque_mdl_duration mdl_duration) +{ + enum_mdl_duration e= (enum_mdl_duration) mdl_duration; + switch (e) + { + case MDL_STATEMENT: + PFS_engine_table::set_field_varchar_utf8(f, "STATEMENT", 9); + break; + case MDL_TRANSACTION: + PFS_engine_table::set_field_varchar_utf8(f, "TRANSACTION", 11); + break; + case MDL_EXPLICIT: + PFS_engine_table::set_field_varchar_utf8(f, "EXPLICIT", 8); + break; + case MDL_DURATION_END: + default: + DBUG_ASSERT(false); + } +} + +void set_field_mdl_status(Field *f, opaque_mdl_status mdl_status) +{ + MDL_ticket::enum_psi_status e= static_cast<MDL_ticket::enum_psi_status>(mdl_status); + switch (e) + { + case MDL_ticket::PENDING: + PFS_engine_table::set_field_varchar_utf8(f, "PENDING", 7); + break; + case MDL_ticket::GRANTED: + PFS_engine_table::set_field_varchar_utf8(f, "GRANTED", 7); + break; + case MDL_ticket::PRE_ACQUIRE_NOTIFY: + PFS_engine_table::set_field_varchar_utf8(f, "PRE_ACQUIRE_NOTIFY", 18); + break; + case MDL_ticket::POST_RELEASE_NOTIFY: + PFS_engine_table::set_field_varchar_utf8(f, "POST_RELEASE_NOTIFY", 19); + break; + default: + DBUG_ASSERT(false); + } +} + +void PFS_memory_stat_row::set_field(uint index, Field *f) +{ + ssize_t val; + + switch (index) + { + case 0: /* COUNT_ALLOC */ + PFS_engine_table::set_field_ulonglong(f, m_stat.m_alloc_count); + break; + case 1: /* COUNT_FREE */ + PFS_engine_table::set_field_ulonglong(f, m_stat.m_free_count); + break; + case 2: /* SUM_NUMBER_OF_BYTES_ALLOC */ + PFS_engine_table::set_field_ulonglong(f, m_stat.m_alloc_size); + break; + case 3: /* SUM_NUMBER_OF_BYTES_FREE */ + PFS_engine_table::set_field_ulonglong(f, m_stat.m_free_size); + break; + case 4: /* LOW_COUNT_USED */ + val= m_stat.m_alloc_count - m_stat.m_free_count - m_stat.m_free_count_capacity; + PFS_engine_table::set_field_longlong(f, val); + break; + case 5: /* CURRENT_COUNT_USED */ + val= m_stat.m_alloc_count - m_stat.m_free_count; + PFS_engine_table::set_field_longlong(f, val); + break; + case 6: /* HIGH_COUNT_USED */ + val= m_stat.m_alloc_count - m_stat.m_free_count + m_stat.m_alloc_count_capacity; + PFS_engine_table::set_field_longlong(f, val); + break; + case 7: /* LOW_NUMBER_OF_BYTES_USED */ + val= m_stat.m_alloc_size - m_stat.m_free_size - m_stat.m_free_size_capacity; + PFS_engine_table::set_field_longlong(f, val); + break; + case 8: /* CURRENT_NUMBER_OF_BYTES_USED */ + val= m_stat.m_alloc_size - m_stat.m_free_size; + PFS_engine_table::set_field_longlong(f, val); + break; + case 9: /* HIGH_NUMBER_OF_BYTES_USED */ + val= m_stat.m_alloc_size - m_stat.m_free_size + m_stat.m_alloc_size_capacity; + PFS_engine_table::set_field_longlong(f, val); + break; + default: + DBUG_ASSERT(false); + break; + } +} + +void set_field_isolation_level(Field *f, enum_isolation_level iso_level) +{ + switch (iso_level) + { + case TRANS_LEVEL_READ_UNCOMMITTED: + PFS_engine_table::set_field_varchar_utf8(f, "READ UNCOMMITTED", 16); + break; + case TRANS_LEVEL_READ_COMMITTED: + PFS_engine_table::set_field_varchar_utf8(f, "READ COMMITTED", 14); + break; + case TRANS_LEVEL_REPEATABLE_READ: + PFS_engine_table::set_field_varchar_utf8(f, "REPEATABLE READ", 15); + break; + case TRANS_LEVEL_SERIALIZABLE: + PFS_engine_table::set_field_varchar_utf8(f, "SERIALIZABLE", 12); + break; + default: + DBUG_ASSERT(false); + } +} + +void set_field_xa_state(Field *f, enum_xa_transaction_state xa_state) +{ + switch (xa_state) + { + case TRANS_STATE_XA_NOTR: + PFS_engine_table::set_field_varchar_utf8(f, "NOTR", 4); + break; + case TRANS_STATE_XA_ACTIVE: + PFS_engine_table::set_field_varchar_utf8(f, "ACTIVE", 6); + break; + case TRANS_STATE_XA_IDLE: + PFS_engine_table::set_field_varchar_utf8(f, "IDLE", 4); + break; + case TRANS_STATE_XA_PREPARED: + PFS_engine_table::set_field_varchar_utf8(f, "PREPARED", 8); + break; + case TRANS_STATE_XA_ROLLBACK_ONLY: + PFS_engine_table::set_field_varchar_utf8(f, "ROLLBACK ONLY", 13); + break; + case TRANS_STATE_XA_COMMITTED: + PFS_engine_table::set_field_varchar_utf8(f, "COMMITTED", 9); + break; + default: + DBUG_ASSERT(false); + } +} + +void PFS_variable_name_row::make_row(const char* str, size_t length) +{ + DBUG_ASSERT(length <= sizeof(m_str)); + DBUG_ASSERT(length <= NAME_CHAR_LEN); + + m_length= MY_MIN(static_cast<uint>(length), NAME_CHAR_LEN); /* enforce max name length */ + if (m_length > 0) + memcpy(m_str, str, length); + m_str[m_length]= '\0'; +} + +void PFS_variable_value_row::make_row(const Status_variable *var) +{ + make_row(var->m_charset, var->m_value_str, var->m_value_length); +} + +void PFS_variable_value_row::make_row(const System_variable *var) +{ + make_row(var->m_charset, var->m_value_str, var->m_value_length); +} + +void PFS_variable_value_row::make_row(const CHARSET_INFO *cs, const char* str, size_t length) +{ + DBUG_ASSERT(cs != NULL); + DBUG_ASSERT(length <= sizeof(m_str)); + if (length > 0) + { + memcpy(m_str, str, length); + } + m_length= static_cast<uint>(length); + m_charset= cs; +} + +void PFS_variable_value_row::set_field(Field *f) +{ + PFS_engine_table::set_field_varchar(f, m_charset, m_str, m_length); +} + +void PFS_user_variable_value_row::clear() +{ + my_free(m_value); + m_value= NULL; + m_value_length= 0; +} + +void PFS_user_variable_value_row::make_row(const char* val, size_t length) +{ + if (length > 0) + { + m_value= (char*) my_malloc(PSI_NOT_INSTRUMENTED, length, MYF(0)); + m_value_length= length; + memcpy(m_value, val, length); + } + else + { + m_value= NULL; + m_value_length= 0; + } +} + |