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mariadb/storage/xtradb/handler/i_s.cc
Sergei Golubchik a3d80d952d merge with 5.1
2010-09-11 20:43:48 +02:00

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/*****************************************************************************
Copyright (c) 2007, 2009, Innobase Oy. 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 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., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/
/**************************************************//**
@file handler/i_s.cc
InnoDB INFORMATION SCHEMA tables interface to MySQL.
Created July 18, 2007 Vasil Dimov
*******************************************************/
#include <mysql_priv.h>
#include <mysqld_error.h>
#include <m_ctype.h>
#include <hash.h>
#include <myisampack.h>
#include <mysys_err.h>
#include <my_sys.h>
#include "i_s.h"
#include "innodb_patch_info.h"
#include <mysql/plugin.h>
extern "C" {
#include "trx0i_s.h"
#include "trx0trx.h" /* for TRX_QUE_STATE_STR_MAX_LEN */
#include "buf0buddy.h" /* for i_s_cmpmem */
#include "buf0buf.h" /* for buf_pool and PAGE_ZIP_MIN_SIZE */
#include "ha_prototypes.h" /* for innobase_convert_name() */
#include "srv0start.h" /* for srv_was_started */
#include "btr0btr.h" /* for btr_page_get_index_id */
#include "trx0rseg.h" /* for trx_rseg_struct */
#include "trx0sys.h" /* for trx_sys */
#include "dict0dict.h" /* for dict_sys */
#include "btr0pcur.h"
#include "buf0lru.h" /* for XTRA_LRU_[DUMP/RESTORE] */
}
static const char plugin_author[] = "Innobase Oy";
#define OK(expr) \
if ((expr) != 0) { \
DBUG_RETURN(1); \
}
#define RETURN_IF_INNODB_NOT_STARTED(plugin_name) \
do { \
if (!srv_was_started) { \
push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN, \
ER_CANT_FIND_SYSTEM_REC, \
"InnoDB: SELECTing from " \
"INFORMATION_SCHEMA.%s but " \
"the InnoDB storage engine " \
"is not installed", plugin_name); \
DBUG_RETURN(0); \
} \
} while (0)
#if !defined __STRICT_ANSI__ && defined __GNUC__ && (__GNUC__) > 2 && !defined __INTEL_COMPILER
#define STRUCT_FLD(name, value) name: value
#else
#define STRUCT_FLD(name, value) value
#endif
/* Don't use a static const variable here, as some C++ compilers (notably
HPUX aCC: HP ANSI C++ B3910B A.03.65) can't handle it. */
#define END_OF_ST_FIELD_INFO \
{STRUCT_FLD(field_name, NULL), \
STRUCT_FLD(field_length, 0), \
STRUCT_FLD(field_type, MYSQL_TYPE_NULL), \
STRUCT_FLD(value, 0), \
STRUCT_FLD(field_flags, 0), \
STRUCT_FLD(old_name, ""), \
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}
/*
Use the following types mapping:
C type ST_FIELD_INFO::field_type
---------------------------------
long MYSQL_TYPE_LONGLONG
(field_length=MY_INT64_NUM_DECIMAL_DIGITS)
long unsigned MYSQL_TYPE_LONGLONG
(field_length=MY_INT64_NUM_DECIMAL_DIGITS, field_flags=MY_I_S_UNSIGNED)
char* MYSQL_TYPE_STRING
(field_length=n)
float MYSQL_TYPE_FLOAT
(field_length=0 is ignored)
void* MYSQL_TYPE_LONGLONG
(field_length=MY_INT64_NUM_DECIMAL_DIGITS, field_flags=MY_I_S_UNSIGNED)
boolean (if else) MYSQL_TYPE_LONG
(field_length=1)
time_t MYSQL_TYPE_DATETIME
(field_length=0 ignored)
---------------------------------
*/
/* XXX these are defined in mysql_priv.h inside #ifdef MYSQL_SERVER */
bool schema_table_store_record(THD *thd, TABLE *table);
void localtime_to_TIME(MYSQL_TIME *to, struct tm *from);
bool check_global_access(THD *thd, ulong want_access);
/*******************************************************************//**
Common function to fill any of the dynamic tables:
INFORMATION_SCHEMA.innodb_trx
INFORMATION_SCHEMA.innodb_locks
INFORMATION_SCHEMA.innodb_lock_waits
@return 0 on success */
static
int
trx_i_s_common_fill_table(
/*======================*/
THD* thd, /*!< in: thread */
TABLE_LIST* tables, /*!< in/out: tables to fill */
COND* cond); /*!< in: condition (not used) */
/*******************************************************************//**
Unbind a dynamic INFORMATION_SCHEMA table.
@return 0 on success */
static
int
i_s_common_deinit(
/*==============*/
void* p); /*!< in/out: table schema object */
/*******************************************************************//**
Auxiliary function to store time_t value in MYSQL_TYPE_DATETIME
field.
@return 0 on success */
static
int
field_store_time_t(
/*===============*/
Field* field, /*!< in/out: target field for storage */
time_t time) /*!< in: value to store */
{
MYSQL_TIME my_time;
struct tm tm_time;
#if 0
/* use this if you are sure that `variables' and `time_zone'
are always initialized */
thd->variables.time_zone->gmt_sec_to_TIME(
&my_time, (my_time_t) time);
#else
localtime_r(&time, &tm_time);
localtime_to_TIME(&my_time, &tm_time);
my_time.time_type = MYSQL_TIMESTAMP_DATETIME;
#endif
return(field->store_time(&my_time, MYSQL_TIMESTAMP_DATETIME));
}
/*******************************************************************//**
Auxiliary function to store char* value in MYSQL_TYPE_STRING field.
@return 0 on success */
static
int
field_store_string(
/*===============*/
Field* field, /*!< in/out: target field for storage */
const char* str) /*!< in: NUL-terminated utf-8 string,
or NULL */
{
int ret;
if (str != NULL) {
ret = field->store(str, strlen(str),
system_charset_info);
field->set_notnull();
} else {
ret = 0; /* success */
field->set_null();
}
return(ret);
}
/*******************************************************************//**
Auxiliary function to store ulint value in MYSQL_TYPE_LONGLONG field.
If the value is ULINT_UNDEFINED then the field it set to NULL.
@return 0 on success */
static
int
field_store_ulint(
/*==============*/
Field* field, /*!< in/out: target field for storage */
ulint n) /*!< in: value to store */
{
int ret;
if (n != ULINT_UNDEFINED) {
ret = field->store(n);
field->set_notnull();
} else {
ret = 0; /* success */
field->set_null();
}
return(ret);
}
/* Fields of the dynamic table INFORMATION_SCHEMA.innodb_patches */
static ST_FIELD_INFO innodb_patches_fields_info[] =
{
#define IDX_PATCH_NAME 0
{STRUCT_FLD(field_name, "name"),
STRUCT_FLD(field_length, 255),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_PATCH_DESCR 1
{STRUCT_FLD(field_name, "description"),
STRUCT_FLD(field_length, 255),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_PATCH_COMMENT 2
{STRUCT_FLD(field_name, "comment"),
STRUCT_FLD(field_length, 100),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_PATCH_LINK 3
{STRUCT_FLD(field_name, "link"),
STRUCT_FLD(field_length, 255),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
END_OF_ST_FIELD_INFO
};
static struct st_mysql_information_schema i_s_info =
{
MYSQL_INFORMATION_SCHEMA_INTERFACE_VERSION
};
/***********************************************************************
Fill the dynamic table information_schema.innodb_patches */
static
int
innodb_patches_fill(
/*=============*/
/* out: 0 on success, 1 on failure */
THD* thd, /* in: thread */
TABLE_LIST* tables, /* in/out: tables to fill */
COND* cond) /* in: condition (ignored) */
{
TABLE* table = (TABLE *) tables->table;
int status = 0;
int i;
Field** fields;
DBUG_ENTER("innodb_patches_fill");
fields = table->field;
/* deny access to non-superusers */
if (check_global_access(thd, PROCESS_ACL)) {
DBUG_RETURN(0);
}
RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name);
for (i = 0; innodb_enhancements[i].file; i++) {
field_store_string(fields[0],innodb_enhancements[i].file);
field_store_string(fields[1],innodb_enhancements[i].name);
field_store_string(fields[2],innodb_enhancements[i].comment);
field_store_string(fields[3],innodb_enhancements[i].link);
if (schema_table_store_record(thd, table)) {
status = 1;
break;
}
}
DBUG_RETURN(status);
}
/***********************************************************************
Bind the dynamic table information_schema.innodb_patches. */
static
int
innodb_patches_init(
/*=========*/
/* out: 0 on success */
void* p) /* in/out: table schema object */
{
DBUG_ENTER("innodb_patches_init");
ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p;
schema->fields_info = innodb_patches_fields_info;
schema->fill_table = innodb_patches_fill;
DBUG_RETURN(0);
}
UNIV_INTERN struct st_mysql_plugin i_s_innodb_patches =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "XTRADB_ENHANCEMENTS"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, "Percona"),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "Enhancements applied to InnoDB plugin"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, innodb_patches_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, INNODB_VERSION_SHORT),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* reserved for dependency checking */
/* void* */
STRUCT_FLD(__reserved1, NULL)
};
UNIV_INTERN struct st_maria_plugin i_s_innodb_patches_maria =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "XTRADB_ENHANCEMENTS"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, "Percona"),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "Enhancements applied to InnoDB plugin"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, innodb_patches_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, INNODB_VERSION_SHORT),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* string version */
/* const char * */
STRUCT_FLD(version_info, "1.0"),
/* Maturity */
/* int */
STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_STABLE)
};
static ST_FIELD_INFO i_s_innodb_buffer_pool_pages_fields_info[] =
{
{STRUCT_FLD(field_name, "page_type"),
STRUCT_FLD(field_length, 64),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_MAYBE_NULL),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "space_id"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "page_no"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "lru_position"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "fix_count"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "flush_type"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
END_OF_ST_FIELD_INFO
};
static ST_FIELD_INFO i_s_innodb_buffer_pool_pages_index_fields_info[] =
{
{STRUCT_FLD(field_name, "index_id"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "space_id"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "page_no"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "n_recs"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "data_size"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "hashed"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "access_time"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "modified"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "dirty"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "old"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "lru_position"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "fix_count"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "flush_type"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
END_OF_ST_FIELD_INFO
};
static ST_FIELD_INFO i_s_innodb_buffer_pool_pages_blob_fields_info[] =
{
{STRUCT_FLD(field_name, "space_id"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "page_no"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "compressed"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "part_len"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "next_page_no"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "lru_position"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "fix_count"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "flush_type"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
END_OF_ST_FIELD_INFO
};
/***********************************************************************
Fill the dynamic table information_schema.innodb_buffer_pool_pages. */
static
int
i_s_innodb_buffer_pool_pages_fill(
/*================*/
/* out: 0 on success, 1 on failure */
THD* thd, /* in: thread */
TABLE_LIST* tables, /* in/out: tables to fill */
COND* cond) /* in: condition (ignored) */
{
TABLE* table = (TABLE *) tables->table;
int status = 0;
ulint n_chunks, n_blocks;
buf_chunk_t* chunk;
DBUG_ENTER("i_s_innodb_buffer_pool_pages_fill");
/* deny access to non-superusers */
if (check_global_access(thd, PROCESS_ACL)) {
DBUG_RETURN(0);
}
RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name);
buf_pool_mutex_enter();
chunk = buf_pool->chunks;
for (n_chunks = buf_pool->n_chunks; n_chunks--; chunk++) {
buf_block_t* block = chunk->blocks;
for (n_blocks = chunk->size; n_blocks--; block++) {
const buf_frame_t* frame = block->frame;
char page_type[64];
switch(fil_page_get_type(frame))
{
case FIL_PAGE_INDEX:
strcpy(page_type, "index");
break;
case FIL_PAGE_UNDO_LOG:
strcpy(page_type, "undo_log");
break;
case FIL_PAGE_INODE:
strcpy(page_type, "inode");
break;
case FIL_PAGE_IBUF_FREE_LIST:
strcpy(page_type, "ibuf_free_list");
break;
case FIL_PAGE_TYPE_ALLOCATED:
strcpy(page_type, "allocated");
break;
case FIL_PAGE_IBUF_BITMAP:
strcpy(page_type, "bitmap");
break;
case FIL_PAGE_TYPE_SYS:
strcpy(page_type, "sys");
break;
case FIL_PAGE_TYPE_TRX_SYS:
strcpy(page_type, "trx_sys");
break;
case FIL_PAGE_TYPE_FSP_HDR:
strcpy(page_type, "fsp_hdr");
break;
case FIL_PAGE_TYPE_XDES:
strcpy(page_type, "xdes");
break;
case FIL_PAGE_TYPE_BLOB:
strcpy(page_type, "blob");
break;
case FIL_PAGE_TYPE_ZBLOB:
strcpy(page_type, "zblob");
break;
case FIL_PAGE_TYPE_ZBLOB2:
strcpy(page_type, "zblob2");
break;
default:
sprintf(page_type, "unknown (type=%li)", fil_page_get_type(frame));
}
field_store_string(table->field[0], page_type);
table->field[1]->store(block->page.space);
table->field[2]->store(block->page.offset);
table->field[3]->store(0);
table->field[4]->store(block->page.buf_fix_count);
table->field[5]->store(block->page.flush_type);
if (schema_table_store_record(thd, table)) {
status = 1;
break;
}
}
}
buf_pool_mutex_exit();
DBUG_RETURN(status);
}
/***********************************************************************
Fill the dynamic table information_schema.innodb_buffer_pool_pages_index. */
static
int
i_s_innodb_buffer_pool_pages_index_fill(
/*================*/
/* out: 0 on success, 1 on failure */
THD* thd, /* in: thread */
TABLE_LIST* tables, /* in/out: tables to fill */
COND* cond) /* in: condition (ignored) */
{
TABLE* table = (TABLE *) tables->table;
int status = 0;
ulint n_chunks, n_blocks;
dulint index_id;
buf_chunk_t* chunk;
DBUG_ENTER("i_s_innodb_buffer_pool_pages_index_fill");
/* deny access to non-superusers */
if (check_global_access(thd, PROCESS_ACL)) {
DBUG_RETURN(0);
}
RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name);
buf_pool_mutex_enter();
chunk = buf_pool->chunks;
for (n_chunks = buf_pool->n_chunks; n_chunks--; chunk++) {
buf_block_t* block = chunk->blocks;
for (n_blocks = chunk->size; n_blocks--; block++) {
const buf_frame_t* frame = block->frame;
if (fil_page_get_type(frame) == FIL_PAGE_INDEX) {
index_id = btr_page_get_index_id(frame);
table->field[0]->store(ut_conv_dulint_to_longlong(index_id));
table->field[1]->store(block->page.space);
table->field[2]->store(block->page.offset);
table->field[3]->store(page_get_n_recs(frame));
table->field[4]->store(page_get_data_size(frame));
table->field[5]->store(block->is_hashed);
table->field[6]->store(block->page.access_time);
table->field[7]->store(block->page.newest_modification != 0);
table->field[8]->store(block->page.oldest_modification != 0);
table->field[9]->store(block->page.old);
table->field[10]->store(0);
table->field[11]->store(block->page.buf_fix_count);
table->field[12]->store(block->page.flush_type);
if (schema_table_store_record(thd, table)) {
status = 1;
break;
}
}
}
}
buf_pool_mutex_exit();
DBUG_RETURN(status);
}
/***********************************************************************
Fill the dynamic table information_schema.innodb_buffer_pool_pages_index. */
static
int
i_s_innodb_buffer_pool_pages_blob_fill(
/*================*/
/* out: 0 on success, 1 on failure */
THD* thd, /* in: thread */
TABLE_LIST* tables, /* in/out: tables to fill */
COND* cond) /* in: condition (ignored) */
{
TABLE* table = (TABLE *) tables->table;
int status = 0;
ulint n_chunks, n_blocks;
buf_chunk_t* chunk;
page_zip_des_t* block_page_zip;
ulint part_len;
ulint next_page_no;
DBUG_ENTER("i_s_innodb_buffer_pool_pages_blob_fill");
/* deny access to non-superusers */
if (check_global_access(thd, PROCESS_ACL)) {
DBUG_RETURN(0);
}
RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name);
buf_pool_mutex_enter();
chunk = buf_pool->chunks;
for (n_chunks = buf_pool->n_chunks; n_chunks--; chunk++) {
buf_block_t* block = chunk->blocks;
block_page_zip = buf_block_get_page_zip(block);
for (n_blocks = chunk->size; n_blocks--; block++) {
const buf_frame_t* frame = block->frame;
if (fil_page_get_type(frame) == FIL_PAGE_TYPE_BLOB) {
if (UNIV_LIKELY_NULL(block_page_zip)) {
part_len = 0; /* hmm, can't figure it out */
next_page_no = mach_read_from_4(
buf_block_get_frame(block)
+ FIL_PAGE_NEXT);
} else {
part_len = mach_read_from_4(
buf_block_get_frame(block)
+ FIL_PAGE_DATA
+ 0 /*BTR_BLOB_HDR_PART_LEN*/);
next_page_no = mach_read_from_4(
buf_block_get_frame(block)
+ FIL_PAGE_DATA
+ 4 /*BTR_BLOB_HDR_NEXT_PAGE_NO*/);
}
table->field[0]->store(block->page.space);
table->field[1]->store(block->page.offset);
table->field[2]->store(block_page_zip != NULL);
table->field[3]->store(part_len);
if(next_page_no == FIL_NULL)
{
table->field[4]->store(0);
} else {
table->field[4]->store(block->page.offset);
}
table->field[5]->store(0);
table->field[6]->store(block->page.buf_fix_count);
table->field[7]->store(block->page.flush_type);
if (schema_table_store_record(thd, table)) {
status = 1;
break;
}
}
}
}
buf_pool_mutex_exit();
DBUG_RETURN(status);
}
/***********************************************************************
Bind the dynamic table information_schema.innodb_buffer_pool_pages. */
static
int
i_s_innodb_buffer_pool_pages_init(
/*=========*/
/* out: 0 on success */
void* p) /* in/out: table schema object */
{
DBUG_ENTER("i_s_innodb_buffer_pool_pages_init");
ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p;
schema->fields_info = i_s_innodb_buffer_pool_pages_fields_info;
schema->fill_table = i_s_innodb_buffer_pool_pages_fill;
DBUG_RETURN(0);
}
/***********************************************************************
Bind the dynamic table information_schema.innodb_buffer_pool_pages. */
static
int
i_s_innodb_buffer_pool_pages_index_init(
/*=========*/
/* out: 0 on success */
void* p) /* in/out: table schema object */
{
DBUG_ENTER("i_s_innodb_buffer_pool_pages_index_init");
ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p;
schema->fields_info = i_s_innodb_buffer_pool_pages_index_fields_info;
schema->fill_table = i_s_innodb_buffer_pool_pages_index_fill;
DBUG_RETURN(0);
}
/***********************************************************************
Bind the dynamic table information_schema.innodb_buffer_pool_pages. */
static
int
i_s_innodb_buffer_pool_pages_blob_init(
/*=========*/
/* out: 0 on success */
void* p) /* in/out: table schema object */
{
DBUG_ENTER("i_s_innodb_buffer_pool_pages_blob_init");
ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p;
schema->fields_info = i_s_innodb_buffer_pool_pages_blob_fields_info;
schema->fill_table = i_s_innodb_buffer_pool_pages_blob_fill;
DBUG_RETURN(0);
}
UNIV_INTERN struct st_mysql_plugin i_s_innodb_buffer_pool_pages =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_BUFFER_POOL_PAGES"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, plugin_author),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "InnoDB buffer pool pages"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, i_s_innodb_buffer_pool_pages_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, 0x0100 /* 1.0 */),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* reserved for dependency checking */
/* void* */
STRUCT_FLD(__reserved1, NULL)
};
UNIV_INTERN struct st_maria_plugin i_s_innodb_buffer_pool_pages_maria =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_BUFFER_POOL_PAGES"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, plugin_author),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "InnoDB buffer pool pages"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, i_s_innodb_buffer_pool_pages_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, 0x0100 /* 1.0 */),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* string version */
/* const char * */
STRUCT_FLD(version_info, "1.0"),
/* Maturity */
/* int */
STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_STABLE)
};
UNIV_INTERN struct st_mysql_plugin i_s_innodb_buffer_pool_pages_index =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_BUFFER_POOL_PAGES_INDEX"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, plugin_author),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "InnoDB buffer pool index pages"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, i_s_innodb_buffer_pool_pages_index_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, 0x0100 /* 1.0 */),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* reserved for dependency checking */
/* void* */
STRUCT_FLD(__reserved1, NULL)
};
UNIV_INTERN struct st_maria_plugin i_s_innodb_buffer_pool_pages_index_maria =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_BUFFER_POOL_PAGES_INDEX"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, plugin_author),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "InnoDB buffer pool index pages"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, i_s_innodb_buffer_pool_pages_index_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, 0x0100 /* 1.0 */),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* string version */
/* const char * */
STRUCT_FLD(version_info, "1.0"),
/* Maturity */
/* int */
STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_STABLE)
};
UNIV_INTERN struct st_mysql_plugin i_s_innodb_buffer_pool_pages_blob =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_BUFFER_POOL_PAGES_BLOB"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, plugin_author),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "InnoDB buffer pool blob pages"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, i_s_innodb_buffer_pool_pages_blob_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, 0x0100 /* 1.0 */),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* reserved for dependency checking */
/* void* */
STRUCT_FLD(__reserved1, NULL)
};
UNIV_INTERN struct st_maria_plugin i_s_innodb_buffer_pool_pages_blob_maria =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_BUFFER_POOL_PAGES_BLOB"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, plugin_author),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "InnoDB buffer pool blob pages"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, i_s_innodb_buffer_pool_pages_blob_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, 0x0100 /* 1.0 */),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* string version */
/* const char * */
STRUCT_FLD(version_info, "1.0"),
/* Maturity */
/* int */
STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_STABLE)
};
/* Fields of the dynamic table INFORMATION_SCHEMA.innodb_trx */
static ST_FIELD_INFO innodb_trx_fields_info[] =
{
#define IDX_TRX_ID 0
{STRUCT_FLD(field_name, "trx_id"),
STRUCT_FLD(field_length, TRX_ID_MAX_LEN + 1),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_TRX_STATE 1
{STRUCT_FLD(field_name, "trx_state"),
STRUCT_FLD(field_length, TRX_QUE_STATE_STR_MAX_LEN + 1),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_TRX_STARTED 2
{STRUCT_FLD(field_name, "trx_started"),
STRUCT_FLD(field_length, 0),
STRUCT_FLD(field_type, MYSQL_TYPE_DATETIME),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_TRX_REQUESTED_LOCK_ID 3
{STRUCT_FLD(field_name, "trx_requested_lock_id"),
STRUCT_FLD(field_length, TRX_I_S_LOCK_ID_MAX_LEN + 1),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_MAYBE_NULL),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_TRX_WAIT_STARTED 4
{STRUCT_FLD(field_name, "trx_wait_started"),
STRUCT_FLD(field_length, 0),
STRUCT_FLD(field_type, MYSQL_TYPE_DATETIME),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_MAYBE_NULL),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_TRX_WEIGHT 5
{STRUCT_FLD(field_name, "trx_weight"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_TRX_MYSQL_THREAD_ID 6
{STRUCT_FLD(field_name, "trx_mysql_thread_id"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_TRX_QUERY 7
{STRUCT_FLD(field_name, "trx_query"),
STRUCT_FLD(field_length, TRX_I_S_TRX_QUERY_MAX_LEN),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_MAYBE_NULL),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
END_OF_ST_FIELD_INFO
};
/*******************************************************************//**
Read data from cache buffer and fill the INFORMATION_SCHEMA.innodb_trx
table with it.
@return 0 on success */
static
int
fill_innodb_trx_from_cache(
/*=======================*/
trx_i_s_cache_t* cache, /*!< in: cache to read from */
THD* thd, /*!< in: used to call
schema_table_store_record() */
TABLE* table) /*!< in/out: fill this table */
{
Field** fields;
ulint rows_num;
char lock_id[TRX_I_S_LOCK_ID_MAX_LEN + 1];
ulint i;
DBUG_ENTER("fill_innodb_trx_from_cache");
fields = table->field;
rows_num = trx_i_s_cache_get_rows_used(cache,
I_S_INNODB_TRX);
for (i = 0; i < rows_num; i++) {
i_s_trx_row_t* row;
char trx_id[TRX_ID_MAX_LEN + 1];
row = (i_s_trx_row_t*)
trx_i_s_cache_get_nth_row(
cache, I_S_INNODB_TRX, i);
/* trx_id */
ut_snprintf(trx_id, sizeof(trx_id), TRX_ID_FMT, row->trx_id);
OK(field_store_string(fields[IDX_TRX_ID], trx_id));
/* trx_state */
OK(field_store_string(fields[IDX_TRX_STATE],
row->trx_state));
/* trx_started */
OK(field_store_time_t(fields[IDX_TRX_STARTED],
(time_t) row->trx_started));
/* trx_requested_lock_id */
/* trx_wait_started */
if (row->trx_wait_started != 0) {
OK(field_store_string(
fields[IDX_TRX_REQUESTED_LOCK_ID],
trx_i_s_create_lock_id(
row->requested_lock_row,
lock_id, sizeof(lock_id))));
/* field_store_string() sets it no notnull */
OK(field_store_time_t(
fields[IDX_TRX_WAIT_STARTED],
(time_t) row->trx_wait_started));
fields[IDX_TRX_WAIT_STARTED]->set_notnull();
} else {
fields[IDX_TRX_REQUESTED_LOCK_ID]->set_null();
fields[IDX_TRX_WAIT_STARTED]->set_null();
}
/* trx_weight */
OK(fields[IDX_TRX_WEIGHT]->store((longlong) row->trx_weight,
true));
/* trx_mysql_thread_id */
OK(fields[IDX_TRX_MYSQL_THREAD_ID]->store(
row->trx_mysql_thread_id));
/* trx_query */
OK(field_store_string(fields[IDX_TRX_QUERY],
row->trx_query));
OK(schema_table_store_record(thd, table));
}
DBUG_RETURN(0);
}
/*******************************************************************//**
Bind the dynamic table INFORMATION_SCHEMA.innodb_trx
@return 0 on success */
static
int
innodb_trx_init(
/*============*/
void* p) /*!< in/out: table schema object */
{
ST_SCHEMA_TABLE* schema;
DBUG_ENTER("innodb_trx_init");
schema = (ST_SCHEMA_TABLE*) p;
schema->fields_info = innodb_trx_fields_info;
schema->fill_table = trx_i_s_common_fill_table;
DBUG_RETURN(0);
}
UNIV_INTERN struct st_mysql_plugin i_s_innodb_trx =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_TRX"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, plugin_author),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "InnoDB transactions"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, innodb_trx_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, INNODB_VERSION_SHORT),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* reserved for dependency checking */
/* void* */
STRUCT_FLD(__reserved1, NULL)
};
UNIV_INTERN struct st_maria_plugin i_s_innodb_trx_maria =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_TRX"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, plugin_author),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "InnoDB transactions"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, innodb_trx_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, INNODB_VERSION_SHORT),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* string version */
/* const char * */
STRUCT_FLD(version_info, "1.0"),
/* Maturity */
/* int */
STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_STABLE)
};
/* Fields of the dynamic table INFORMATION_SCHEMA.innodb_locks */
static ST_FIELD_INFO innodb_locks_fields_info[] =
{
#define IDX_LOCK_ID 0
{STRUCT_FLD(field_name, "lock_id"),
STRUCT_FLD(field_length, TRX_I_S_LOCK_ID_MAX_LEN + 1),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_LOCK_TRX_ID 1
{STRUCT_FLD(field_name, "lock_trx_id"),
STRUCT_FLD(field_length, TRX_ID_MAX_LEN + 1),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_LOCK_MODE 2
{STRUCT_FLD(field_name, "lock_mode"),
/* S[,GAP] X[,GAP] IS[,GAP] IX[,GAP] AUTO_INC UNKNOWN */
STRUCT_FLD(field_length, 32),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_LOCK_TYPE 3
{STRUCT_FLD(field_name, "lock_type"),
STRUCT_FLD(field_length, 32 /* RECORD|TABLE|UNKNOWN */),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_LOCK_TABLE 4
{STRUCT_FLD(field_name, "lock_table"),
STRUCT_FLD(field_length, 1024),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_LOCK_INDEX 5
{STRUCT_FLD(field_name, "lock_index"),
STRUCT_FLD(field_length, 1024),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_MAYBE_NULL),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_LOCK_SPACE 6
{STRUCT_FLD(field_name, "lock_space"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED | MY_I_S_MAYBE_NULL),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_LOCK_PAGE 7
{STRUCT_FLD(field_name, "lock_page"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED | MY_I_S_MAYBE_NULL),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_LOCK_REC 8
{STRUCT_FLD(field_name, "lock_rec"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED | MY_I_S_MAYBE_NULL),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_LOCK_DATA 9
{STRUCT_FLD(field_name, "lock_data"),
STRUCT_FLD(field_length, TRX_I_S_LOCK_DATA_MAX_LEN),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_MAYBE_NULL),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
END_OF_ST_FIELD_INFO
};
/*******************************************************************//**
Read data from cache buffer and fill the INFORMATION_SCHEMA.innodb_locks
table with it.
@return 0 on success */
static
int
fill_innodb_locks_from_cache(
/*=========================*/
trx_i_s_cache_t* cache, /*!< in: cache to read from */
THD* thd, /*!< in: MySQL client connection */
TABLE* table) /*!< in/out: fill this table */
{
Field** fields;
ulint rows_num;
char lock_id[TRX_I_S_LOCK_ID_MAX_LEN + 1];
ulint i;
DBUG_ENTER("fill_innodb_locks_from_cache");
fields = table->field;
rows_num = trx_i_s_cache_get_rows_used(cache,
I_S_INNODB_LOCKS);
for (i = 0; i < rows_num; i++) {
i_s_locks_row_t* row;
/* note that the decoded database or table name is
never expected to be longer than NAME_LEN;
NAME_LEN for database name
2 for surrounding quotes around database name
NAME_LEN for table name
2 for surrounding quotes around table name
1 for the separating dot (.)
9 for the #mysql50# prefix */
char buf[2 * NAME_LEN + 14];
const char* bufend;
char lock_trx_id[TRX_ID_MAX_LEN + 1];
row = (i_s_locks_row_t*)
trx_i_s_cache_get_nth_row(
cache, I_S_INNODB_LOCKS, i);
/* lock_id */
trx_i_s_create_lock_id(row, lock_id, sizeof(lock_id));
OK(field_store_string(fields[IDX_LOCK_ID],
lock_id));
/* lock_trx_id */
ut_snprintf(lock_trx_id, sizeof(lock_trx_id),
TRX_ID_FMT, row->lock_trx_id);
OK(field_store_string(fields[IDX_LOCK_TRX_ID], lock_trx_id));
/* lock_mode */
OK(field_store_string(fields[IDX_LOCK_MODE],
row->lock_mode));
/* lock_type */
OK(field_store_string(fields[IDX_LOCK_TYPE],
row->lock_type));
/* lock_table */
bufend = innobase_convert_name(buf, sizeof(buf),
row->lock_table,
strlen(row->lock_table),
thd, TRUE);
OK(fields[IDX_LOCK_TABLE]->store(buf, bufend - buf,
system_charset_info));
/* lock_index */
if (row->lock_index != NULL) {
bufend = innobase_convert_name(buf, sizeof(buf),
row->lock_index,
strlen(row->lock_index),
thd, FALSE);
OK(fields[IDX_LOCK_INDEX]->store(buf, bufend - buf,
system_charset_info));
fields[IDX_LOCK_INDEX]->set_notnull();
} else {
fields[IDX_LOCK_INDEX]->set_null();
}
/* lock_space */
OK(field_store_ulint(fields[IDX_LOCK_SPACE],
row->lock_space));
/* lock_page */
OK(field_store_ulint(fields[IDX_LOCK_PAGE],
row->lock_page));
/* lock_rec */
OK(field_store_ulint(fields[IDX_LOCK_REC],
row->lock_rec));
/* lock_data */
OK(field_store_string(fields[IDX_LOCK_DATA],
row->lock_data));
OK(schema_table_store_record(thd, table));
}
DBUG_RETURN(0);
}
/*******************************************************************//**
Bind the dynamic table INFORMATION_SCHEMA.innodb_locks
@return 0 on success */
static
int
innodb_locks_init(
/*==============*/
void* p) /*!< in/out: table schema object */
{
ST_SCHEMA_TABLE* schema;
DBUG_ENTER("innodb_locks_init");
schema = (ST_SCHEMA_TABLE*) p;
schema->fields_info = innodb_locks_fields_info;
schema->fill_table = trx_i_s_common_fill_table;
DBUG_RETURN(0);
}
UNIV_INTERN struct st_mysql_plugin i_s_innodb_locks =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_LOCKS"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, plugin_author),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "InnoDB conflicting locks"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, innodb_locks_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, INNODB_VERSION_SHORT),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* reserved for dependency checking */
/* void* */
STRUCT_FLD(__reserved1, NULL)
};
UNIV_INTERN struct st_maria_plugin i_s_innodb_locks_maria =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_LOCKS"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, plugin_author),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "InnoDB conflicting locks"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, innodb_locks_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, INNODB_VERSION_SHORT),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* string version */
/* const char * */
STRUCT_FLD(version_info, "1.0"),
/* Maturity */
/* int */
STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_STABLE)
};
/* Fields of the dynamic table INFORMATION_SCHEMA.innodb_lock_waits */
static ST_FIELD_INFO innodb_lock_waits_fields_info[] =
{
#define IDX_REQUESTING_TRX_ID 0
{STRUCT_FLD(field_name, "requesting_trx_id"),
STRUCT_FLD(field_length, TRX_ID_MAX_LEN + 1),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_REQUESTED_LOCK_ID 1
{STRUCT_FLD(field_name, "requested_lock_id"),
STRUCT_FLD(field_length, TRX_I_S_LOCK_ID_MAX_LEN + 1),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_BLOCKING_TRX_ID 2
{STRUCT_FLD(field_name, "blocking_trx_id"),
STRUCT_FLD(field_length, TRX_ID_MAX_LEN + 1),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
#define IDX_BLOCKING_LOCK_ID 3
{STRUCT_FLD(field_name, "blocking_lock_id"),
STRUCT_FLD(field_length, TRX_I_S_LOCK_ID_MAX_LEN + 1),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
END_OF_ST_FIELD_INFO
};
/*******************************************************************//**
Read data from cache buffer and fill the
INFORMATION_SCHEMA.innodb_lock_waits table with it.
@return 0 on success */
static
int
fill_innodb_lock_waits_from_cache(
/*==============================*/
trx_i_s_cache_t* cache, /*!< in: cache to read from */
THD* thd, /*!< in: used to call
schema_table_store_record() */
TABLE* table) /*!< in/out: fill this table */
{
Field** fields;
ulint rows_num;
char requested_lock_id[TRX_I_S_LOCK_ID_MAX_LEN + 1];
char blocking_lock_id[TRX_I_S_LOCK_ID_MAX_LEN + 1];
ulint i;
DBUG_ENTER("fill_innodb_lock_waits_from_cache");
fields = table->field;
rows_num = trx_i_s_cache_get_rows_used(cache,
I_S_INNODB_LOCK_WAITS);
for (i = 0; i < rows_num; i++) {
i_s_lock_waits_row_t* row;
char requesting_trx_id[TRX_ID_MAX_LEN + 1];
char blocking_trx_id[TRX_ID_MAX_LEN + 1];
row = (i_s_lock_waits_row_t*)
trx_i_s_cache_get_nth_row(
cache, I_S_INNODB_LOCK_WAITS, i);
/* requesting_trx_id */
ut_snprintf(requesting_trx_id, sizeof(requesting_trx_id),
TRX_ID_FMT, row->requested_lock_row->lock_trx_id);
OK(field_store_string(fields[IDX_REQUESTING_TRX_ID],
requesting_trx_id));
/* requested_lock_id */
OK(field_store_string(
fields[IDX_REQUESTED_LOCK_ID],
trx_i_s_create_lock_id(
row->requested_lock_row,
requested_lock_id,
sizeof(requested_lock_id))));
/* blocking_trx_id */
ut_snprintf(blocking_trx_id, sizeof(blocking_trx_id),
TRX_ID_FMT, row->blocking_lock_row->lock_trx_id);
OK(field_store_string(fields[IDX_BLOCKING_TRX_ID],
blocking_trx_id));
/* blocking_lock_id */
OK(field_store_string(
fields[IDX_BLOCKING_LOCK_ID],
trx_i_s_create_lock_id(
row->blocking_lock_row,
blocking_lock_id,
sizeof(blocking_lock_id))));
OK(schema_table_store_record(thd, table));
}
DBUG_RETURN(0);
}
/*******************************************************************//**
Bind the dynamic table INFORMATION_SCHEMA.innodb_lock_waits
@return 0 on success */
static
int
innodb_lock_waits_init(
/*===================*/
void* p) /*!< in/out: table schema object */
{
ST_SCHEMA_TABLE* schema;
DBUG_ENTER("innodb_lock_waits_init");
schema = (ST_SCHEMA_TABLE*) p;
schema->fields_info = innodb_lock_waits_fields_info;
schema->fill_table = trx_i_s_common_fill_table;
DBUG_RETURN(0);
}
UNIV_INTERN struct st_mysql_plugin i_s_innodb_lock_waits =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_LOCK_WAITS"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, "Innobase Oy"),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "InnoDB which lock is blocking which"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, innodb_lock_waits_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, INNODB_VERSION_SHORT),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* reserved for dependency checking */
/* void* */
STRUCT_FLD(__reserved1, NULL)
};
UNIV_INTERN struct st_maria_plugin i_s_innodb_lock_waits_maria =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_LOCK_WAITS"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, "Innobase Oy"),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "InnoDB which lock is blocking which"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, innodb_lock_waits_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, INNODB_VERSION_SHORT),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* string version */
/* const char * */
STRUCT_FLD(version_info, "1.0"),
/* Maturity */
/* int */
STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_STABLE)
};
/*******************************************************************//**
Common function to fill any of the dynamic tables:
INFORMATION_SCHEMA.innodb_trx
INFORMATION_SCHEMA.innodb_locks
INFORMATION_SCHEMA.innodb_lock_waits
@return 0 on success */
static
int
trx_i_s_common_fill_table(
/*======================*/
THD* thd, /*!< in: thread */
TABLE_LIST* tables, /*!< in/out: tables to fill */
COND* cond) /*!< in: condition (not used) */
{
const char* table_name;
int ret;
trx_i_s_cache_t* cache;
DBUG_ENTER("trx_i_s_common_fill_table");
/* deny access to non-superusers */
if (check_global_access(thd, PROCESS_ACL)) {
DBUG_RETURN(0);
}
/* minimize the number of places where global variables are
referenced */
cache = trx_i_s_cache;
/* which table we have to fill? */
table_name = tables->schema_table_name;
/* or table_name = tables->schema_table->table_name; */
RETURN_IF_INNODB_NOT_STARTED(table_name);
/* update the cache */
trx_i_s_cache_start_write(cache);
trx_i_s_possibly_fetch_data_into_cache(cache);
trx_i_s_cache_end_write(cache);
if (trx_i_s_cache_is_truncated(cache)) {
/* XXX show warning to user if possible */
fprintf(stderr, "Warning: data in %s truncated due to "
"memory limit of %d bytes\n", table_name,
TRX_I_S_MEM_LIMIT);
}
ret = 0;
trx_i_s_cache_start_read(cache);
if (innobase_strcasecmp(table_name, "innodb_trx") == 0) {
if (fill_innodb_trx_from_cache(
cache, thd, tables->table) != 0) {
ret = 1;
}
} else if (innobase_strcasecmp(table_name, "innodb_locks") == 0) {
if (fill_innodb_locks_from_cache(
cache, thd, tables->table) != 0) {
ret = 1;
}
} else if (innobase_strcasecmp(table_name, "innodb_lock_waits") == 0) {
if (fill_innodb_lock_waits_from_cache(
cache, thd, tables->table) != 0) {
ret = 1;
}
} else {
/* huh! what happened!? */
fprintf(stderr,
"InnoDB: trx_i_s_common_fill_table() was "
"called to fill unknown table: %s.\n"
"This function only knows how to fill "
"innodb_trx, innodb_locks and "
"innodb_lock_waits tables.\n", table_name);
ret = 1;
}
trx_i_s_cache_end_read(cache);
#if 0
DBUG_RETURN(ret);
#else
/* if this function returns something else than 0 then a
deadlock occurs between the mysqld server and mysql client,
see http://bugs.mysql.com/29900 ; when that bug is resolved
we can enable the DBUG_RETURN(ret) above */
DBUG_RETURN(0);
#endif
}
/* Fields of the dynamic table information_schema.innodb_cmp. */
static ST_FIELD_INFO i_s_cmp_fields_info[] =
{
{STRUCT_FLD(field_name, "page_size"),
STRUCT_FLD(field_length, 5),
STRUCT_FLD(field_type, MYSQL_TYPE_LONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, "Compressed Page Size"),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "compress_ops"),
STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, "Total Number of Compressions"),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "compress_ops_ok"),
STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, "Total Number of"
" Successful Compressions"),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "compress_time"),
STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, "Total Duration of Compressions,"
" in Seconds"),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "uncompress_ops"),
STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, "Total Number of Decompressions"),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "uncompress_time"),
STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, "Total Duration of Decompressions,"
" in Seconds"),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
END_OF_ST_FIELD_INFO
};
/*******************************************************************//**
Fill the dynamic table information_schema.innodb_cmp or
innodb_cmp_reset.
@return 0 on success, 1 on failure */
static
int
i_s_cmp_fill_low(
/*=============*/
THD* thd, /*!< in: thread */
TABLE_LIST* tables, /*!< in/out: tables to fill */
COND* cond, /*!< in: condition (ignored) */
ibool reset) /*!< in: TRUE=reset cumulated counts */
{
TABLE* table = (TABLE *) tables->table;
int status = 0;
DBUG_ENTER("i_s_cmp_fill_low");
/* deny access to non-superusers */
if (check_global_access(thd, PROCESS_ACL)) {
DBUG_RETURN(0);
}
RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name);
for (uint i = 0; i < PAGE_ZIP_NUM_SSIZE - 1; i++) {
page_zip_stat_t* zip_stat = &page_zip_stat[i];
table->field[0]->store(PAGE_ZIP_MIN_SIZE << i);
/* The cumulated counts are not protected by any
mutex. Thus, some operation in page0zip.c could
increment a counter between the time we read it and
clear it. We could introduce mutex protection, but it
could cause a measureable performance hit in
page0zip.c. */
table->field[1]->store(zip_stat->compressed);
table->field[2]->store(zip_stat->compressed_ok);
table->field[3]->store(
(ulong) (zip_stat->compressed_usec / 1000000));
table->field[4]->store(zip_stat->decompressed);
table->field[5]->store(
(ulong) (zip_stat->decompressed_usec / 1000000));
if (reset) {
memset(zip_stat, 0, sizeof *zip_stat);
}
if (schema_table_store_record(thd, table)) {
status = 1;
break;
}
}
DBUG_RETURN(status);
}
/*******************************************************************//**
Fill the dynamic table information_schema.innodb_cmp.
@return 0 on success, 1 on failure */
static
int
i_s_cmp_fill(
/*=========*/
THD* thd, /*!< in: thread */
TABLE_LIST* tables, /*!< in/out: tables to fill */
COND* cond) /*!< in: condition (ignored) */
{
return(i_s_cmp_fill_low(thd, tables, cond, FALSE));
}
/*******************************************************************//**
Fill the dynamic table information_schema.innodb_cmp_reset.
@return 0 on success, 1 on failure */
static
int
i_s_cmp_reset_fill(
/*===============*/
THD* thd, /*!< in: thread */
TABLE_LIST* tables, /*!< in/out: tables to fill */
COND* cond) /*!< in: condition (ignored) */
{
return(i_s_cmp_fill_low(thd, tables, cond, TRUE));
}
/*******************************************************************//**
Bind the dynamic table information_schema.innodb_cmp.
@return 0 on success */
static
int
i_s_cmp_init(
/*=========*/
void* p) /*!< in/out: table schema object */
{
DBUG_ENTER("i_s_cmp_init");
ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p;
schema->fields_info = i_s_cmp_fields_info;
schema->fill_table = i_s_cmp_fill;
DBUG_RETURN(0);
}
/*******************************************************************//**
Bind the dynamic table information_schema.innodb_cmp_reset.
@return 0 on success */
static
int
i_s_cmp_reset_init(
/*===============*/
void* p) /*!< in/out: table schema object */
{
DBUG_ENTER("i_s_cmp_reset_init");
ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p;
schema->fields_info = i_s_cmp_fields_info;
schema->fill_table = i_s_cmp_reset_fill;
DBUG_RETURN(0);
}
UNIV_INTERN struct st_mysql_plugin i_s_innodb_cmp =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_CMP"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, plugin_author),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "Statistics for the InnoDB compression"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, i_s_cmp_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, INNODB_VERSION_SHORT),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* reserved for dependency checking */
/* void* */
STRUCT_FLD(__reserved1, NULL)
};
UNIV_INTERN struct st_maria_plugin i_s_innodb_cmp_maria =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_CMP"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, plugin_author),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "Statistics for the InnoDB compression"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, i_s_cmp_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, INNODB_VERSION_SHORT),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* string version */
/* const char * */
STRUCT_FLD(version_info, "1.0"),
/* Maturity */
/* int */
STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_STABLE)
};
UNIV_INTERN struct st_mysql_plugin i_s_innodb_cmp_reset =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_CMP_RESET"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, plugin_author),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "Statistics for the InnoDB compression;"
" reset cumulated counts"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, i_s_cmp_reset_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, INNODB_VERSION_SHORT),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* reserved for dependency checking */
/* void* */
STRUCT_FLD(__reserved1, NULL)
};
UNIV_INTERN struct st_maria_plugin i_s_innodb_cmp_reset_maria =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_CMP_RESET"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, plugin_author),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "Statistics for the InnoDB compression;"
" reset cumulated counts"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, i_s_cmp_reset_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, INNODB_VERSION_SHORT),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* string version */
/* const char * */
STRUCT_FLD(version_info, "1.0"),
/* Maturity */
/* int */
STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_STABLE)
};
/* Fields of the dynamic table information_schema.innodb_cmpmem. */
static ST_FIELD_INFO i_s_cmpmem_fields_info[] =
{
{STRUCT_FLD(field_name, "page_size"),
STRUCT_FLD(field_length, 5),
STRUCT_FLD(field_type, MYSQL_TYPE_LONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, "Buddy Block Size"),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "pages_used"),
STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, "Currently in Use"),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "pages_free"),
STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, "Currently Available"),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "relocation_ops"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, "Total Number of Relocations"),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "relocation_time"),
STRUCT_FLD(field_length, MY_INT32_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, "Total Duration of Relocations,"
" in Seconds"),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
END_OF_ST_FIELD_INFO
};
/*******************************************************************//**
Fill the dynamic table information_schema.innodb_cmpmem or
innodb_cmpmem_reset.
@return 0 on success, 1 on failure */
static
int
i_s_cmpmem_fill_low(
/*================*/
THD* thd, /*!< in: thread */
TABLE_LIST* tables, /*!< in/out: tables to fill */
COND* cond, /*!< in: condition (ignored) */
ibool reset) /*!< in: TRUE=reset cumulated counts */
{
TABLE* table = (TABLE *) tables->table;
int status = 0;
DBUG_ENTER("i_s_cmpmem_fill_low");
/* deny access to non-superusers */
if (check_global_access(thd, PROCESS_ACL)) {
DBUG_RETURN(0);
}
RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name);
//buf_pool_mutex_enter();
mutex_enter(&zip_free_mutex);
for (uint x = 0; x <= BUF_BUDDY_SIZES; x++) {
buf_buddy_stat_t* buddy_stat = &buf_buddy_stat[x];
table->field[0]->store(BUF_BUDDY_LOW << x);
table->field[1]->store(buddy_stat->used);
table->field[2]->store(UNIV_LIKELY(x < BUF_BUDDY_SIZES)
? UT_LIST_GET_LEN(buf_pool->zip_free[x])
: 0);
table->field[3]->store((longlong) buddy_stat->relocated, true);
table->field[4]->store(
(ulong) (buddy_stat->relocated_usec / 1000000));
if (reset) {
/* This is protected by buf_pool_mutex. */
buddy_stat->relocated = 0;
buddy_stat->relocated_usec = 0;
}
if (schema_table_store_record(thd, table)) {
status = 1;
break;
}
}
//buf_pool_mutex_exit();
mutex_exit(&zip_free_mutex);
DBUG_RETURN(status);
}
/*******************************************************************//**
Fill the dynamic table information_schema.innodb_cmpmem.
@return 0 on success, 1 on failure */
static
int
i_s_cmpmem_fill(
/*============*/
THD* thd, /*!< in: thread */
TABLE_LIST* tables, /*!< in/out: tables to fill */
COND* cond) /*!< in: condition (ignored) */
{
return(i_s_cmpmem_fill_low(thd, tables, cond, FALSE));
}
/*******************************************************************//**
Fill the dynamic table information_schema.innodb_cmpmem_reset.
@return 0 on success, 1 on failure */
static
int
i_s_cmpmem_reset_fill(
/*==================*/
THD* thd, /*!< in: thread */
TABLE_LIST* tables, /*!< in/out: tables to fill */
COND* cond) /*!< in: condition (ignored) */
{
return(i_s_cmpmem_fill_low(thd, tables, cond, TRUE));
}
/*******************************************************************//**
Bind the dynamic table information_schema.innodb_cmpmem.
@return 0 on success */
static
int
i_s_cmpmem_init(
/*============*/
void* p) /*!< in/out: table schema object */
{
DBUG_ENTER("i_s_cmpmem_init");
ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p;
schema->fields_info = i_s_cmpmem_fields_info;
schema->fill_table = i_s_cmpmem_fill;
DBUG_RETURN(0);
}
/*******************************************************************//**
Bind the dynamic table information_schema.innodb_cmpmem_reset.
@return 0 on success */
static
int
i_s_cmpmem_reset_init(
/*==================*/
void* p) /*!< in/out: table schema object */
{
DBUG_ENTER("i_s_cmpmem_reset_init");
ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p;
schema->fields_info = i_s_cmpmem_fields_info;
schema->fill_table = i_s_cmpmem_reset_fill;
DBUG_RETURN(0);
}
UNIV_INTERN struct st_mysql_plugin i_s_innodb_cmpmem =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_CMPMEM"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, plugin_author),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "Statistics for the InnoDB compressed buffer pool"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, i_s_cmpmem_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, INNODB_VERSION_SHORT),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* reserved for dependency checking */
/* void* */
STRUCT_FLD(__reserved1, NULL)
};
UNIV_INTERN struct st_maria_plugin i_s_innodb_cmpmem_maria =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_CMPMEM"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, plugin_author),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "Statistics for the InnoDB compressed buffer pool"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, i_s_cmpmem_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, INNODB_VERSION_SHORT),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* string version */
/* const char * */
STRUCT_FLD(version_info, "1.0"),
/* Maturity */
/* int */
STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_STABLE)
};
UNIV_INTERN struct st_mysql_plugin i_s_innodb_cmpmem_reset =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_CMPMEM_RESET"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, plugin_author),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "Statistics for the InnoDB compressed buffer pool;"
" reset cumulated counts"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, i_s_cmpmem_reset_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, INNODB_VERSION_SHORT),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* reserved for dependency checking */
/* void* */
STRUCT_FLD(__reserved1, NULL)
};
UNIV_INTERN struct st_maria_plugin i_s_innodb_cmpmem_reset_maria =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_CMPMEM_RESET"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, plugin_author),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "Statistics for the InnoDB compressed buffer pool;"
" reset cumulated counts"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, i_s_cmpmem_reset_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, INNODB_VERSION_SHORT),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* string version */
/* const char * */
STRUCT_FLD(version_info, "1.0"),
/* Maturity */
/* int */
STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_STABLE)
};
/*******************************************************************//**
Unbind a dynamic INFORMATION_SCHEMA table.
@return 0 on success */
static
int
i_s_common_deinit(
/*==============*/
void* p) /*!< in/out: table schema object */
{
DBUG_ENTER("i_s_common_deinit");
/* Do nothing */
DBUG_RETURN(0);
}
/***********************************************************************
*/
static ST_FIELD_INFO i_s_innodb_rseg_fields_info[] =
{
{STRUCT_FLD(field_name, "rseg_id"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "space_id"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "zip_size"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "page_no"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "max_size"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "curr_size"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
END_OF_ST_FIELD_INFO
};
static
int
i_s_innodb_rseg_fill(
/*=================*/
THD* thd, /* in: thread */
TABLE_LIST* tables, /* in/out: tables to fill */
COND* cond) /* in: condition (ignored) */
{
TABLE* table = (TABLE *) tables->table;
int status = 0;
trx_rseg_t* rseg;
DBUG_ENTER("i_s_innodb_rseg_fill");
/* deny access to non-superusers */
if (check_global_access(thd, PROCESS_ACL)) {
DBUG_RETURN(0);
}
RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name);
rseg = UT_LIST_GET_FIRST(trx_sys->rseg_list);
while (rseg) {
table->field[0]->store(rseg->id);
table->field[1]->store(rseg->space);
table->field[2]->store(rseg->zip_size);
table->field[3]->store(rseg->page_no);
table->field[4]->store(rseg->max_size);
table->field[5]->store(rseg->curr_size);
if (schema_table_store_record(thd, table)) {
status = 1;
break;
}
rseg = UT_LIST_GET_NEXT(rseg_list, rseg);
}
DBUG_RETURN(status);
}
static
int
i_s_innodb_rseg_init(
/*=================*/
/* out: 0 on success */
void* p) /* in/out: table schema object */
{
DBUG_ENTER("i_s_innodb_rseg_init");
ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p;
schema->fields_info = i_s_innodb_rseg_fields_info;
schema->fill_table = i_s_innodb_rseg_fill;
DBUG_RETURN(0);
}
UNIV_INTERN struct st_mysql_plugin i_s_innodb_rseg =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_RSEG"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, plugin_author),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "InnoDB rollback segment information"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, i_s_innodb_rseg_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, 0x0100 /* 1.0 */),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* reserved for dependency checking */
/* void* */
STRUCT_FLD(__reserved1, NULL)
};
UNIV_INTERN struct st_maria_plugin i_s_innodb_rseg_maria =
{
/* the plugin type (a MYSQL_XXX_PLUGIN value) */
/* int */
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
/* pointer to type-specific plugin descriptor */
/* void* */
STRUCT_FLD(info, &i_s_info),
/* plugin name */
/* const char* */
STRUCT_FLD(name, "INNODB_RSEG"),
/* plugin author (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(author, plugin_author),
/* general descriptive text (for SHOW PLUGINS) */
/* const char* */
STRUCT_FLD(descr, "InnoDB rollback segment information"),
/* the plugin license (PLUGIN_LICENSE_XXX) */
/* int */
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
/* the function to invoke when plugin is loaded */
/* int (*)(void*); */
STRUCT_FLD(init, i_s_innodb_rseg_init),
/* the function to invoke when plugin is unloaded */
/* int (*)(void*); */
STRUCT_FLD(deinit, i_s_common_deinit),
/* plugin version (for SHOW PLUGINS) */
/* unsigned int */
STRUCT_FLD(version, 0x0100 /* 1.0 */),
/* struct st_mysql_show_var* */
STRUCT_FLD(status_vars, NULL),
/* struct st_mysql_sys_var** */
STRUCT_FLD(system_vars, NULL),
/* string version */
/* const char * */
STRUCT_FLD(version_info, "1.0"),
/* Maturity */
/* int */
STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_STABLE)
};
/***********************************************************************
*/
static ST_FIELD_INFO i_s_innodb_table_stats_info[] =
{
{STRUCT_FLD(field_name, "table_schema"),
STRUCT_FLD(field_length, NAME_LEN),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "table_name"),
STRUCT_FLD(field_length, NAME_LEN),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "rows"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "clust_size"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "other_size"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "modified"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
END_OF_ST_FIELD_INFO
};
static ST_FIELD_INFO i_s_innodb_index_stats_info[] =
{
{STRUCT_FLD(field_name, "table_schema"),
STRUCT_FLD(field_length, NAME_LEN),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "table_name"),
STRUCT_FLD(field_length, NAME_LEN),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "index_name"),
STRUCT_FLD(field_length, NAME_LEN),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "fields"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "row_per_keys"),
STRUCT_FLD(field_length, 256),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "index_size"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "leaf_pages"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
END_OF_ST_FIELD_INFO
};
static
int
i_s_innodb_table_stats_fill(
/*========================*/
THD* thd,
TABLE_LIST* tables,
COND* cond)
{
TABLE* i_s_table = (TABLE *) tables->table;
int status = 0;
dict_table_t* table;
DBUG_ENTER("i_s_innodb_table_stats_fill");
/* deny access to non-superusers */
if (check_global_access(thd, PROCESS_ACL)) {
DBUG_RETURN(0);
}
mutex_enter(&(dict_sys->mutex));
table = UT_LIST_GET_FIRST(dict_sys->table_LRU);
while (table) {
char buf[NAME_LEN * 2 + 2];
char* ptr;
if (table->stat_clustered_index_size == 0) {
table = UT_LIST_GET_NEXT(table_LRU, table);
continue;
}
buf[NAME_LEN * 2 + 1] = 0;
strncpy(buf, table->name, NAME_LEN * 2 + 1);
ptr = strchr(buf, '/');
if (ptr) {
*ptr = '\0';
++ptr;
} else {
ptr = buf;
}
field_store_string(i_s_table->field[0], buf);
field_store_string(i_s_table->field[1], ptr);
i_s_table->field[2]->store(table->stat_n_rows, 1);
i_s_table->field[3]->store(table->stat_clustered_index_size);
i_s_table->field[4]->store(table->stat_sum_of_other_index_sizes);
i_s_table->field[5]->store(table->stat_modified_counter);
if (schema_table_store_record(thd, i_s_table)) {
status = 1;
break;
}
table = UT_LIST_GET_NEXT(table_LRU, table);
}
mutex_exit(&(dict_sys->mutex));
DBUG_RETURN(status);
}
static
int
i_s_innodb_index_stats_fill(
/*========================*/
THD* thd,
TABLE_LIST* tables,
COND* cond)
{
TABLE* i_s_table = (TABLE *) tables->table;
int status = 0;
dict_table_t* table;
dict_index_t* index;
DBUG_ENTER("i_s_innodb_index_stats_fill");
/* deny access to non-superusers */
if (check_global_access(thd, PROCESS_ACL)) {
DBUG_RETURN(0);
}
mutex_enter(&(dict_sys->mutex));
table = UT_LIST_GET_FIRST(dict_sys->table_LRU);
while (table) {
if (table->stat_clustered_index_size == 0) {
table = UT_LIST_GET_NEXT(table_LRU, table);
continue;
}
ib_int64_t n_rows = table->stat_n_rows;
if (n_rows < 0) {
n_rows = 0;
}
index = dict_table_get_first_index(table);
while (index) {
char buff[256+1];
char row_per_keys[256+1];
char buf[NAME_LEN * 2 + 2];
char* ptr;
ulint i;
buf[NAME_LEN * 2 + 1] = 0;
strncpy(buf, table->name, NAME_LEN * 2 + 1);
ptr = strchr(buf, '/');
if (ptr) {
*ptr = '\0';
++ptr;
} else {
ptr = buf;
}
field_store_string(i_s_table->field[0], buf);
field_store_string(i_s_table->field[1], ptr);
field_store_string(i_s_table->field[2], index->name);
i_s_table->field[3]->store(index->n_uniq);
row_per_keys[0] = '\0';
/* It is remained optimistic operation still for now */
//dict_index_stat_mutex_enter(index);
if (index->stat_n_diff_key_vals) {
for (i = 1; i <= index->n_uniq; i++) {
ib_int64_t rec_per_key;
if (index->stat_n_diff_key_vals[i]) {
rec_per_key = n_rows / index->stat_n_diff_key_vals[i];
} else {
rec_per_key = n_rows;
}
ut_snprintf(buff, 256, (i == index->n_uniq)?"%llu":"%llu, ",
rec_per_key);
strncat(row_per_keys, buff, 256 - strlen(row_per_keys));
}
}
//dict_index_stat_mutex_exit(index);
field_store_string(i_s_table->field[4], row_per_keys);
i_s_table->field[5]->store(index->stat_index_size);
i_s_table->field[6]->store(index->stat_n_leaf_pages);
if (schema_table_store_record(thd, i_s_table)) {
status = 1;
break;
}
index = dict_table_get_next_index(index);
}
if (status == 1) {
break;
}
table = UT_LIST_GET_NEXT(table_LRU, table);
}
mutex_exit(&(dict_sys->mutex));
DBUG_RETURN(status);
}
static
int
i_s_innodb_table_stats_init(
/*========================*/
void* p)
{
DBUG_ENTER("i_s_innodb_table_stats_init");
ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p;
schema->fields_info = i_s_innodb_table_stats_info;
schema->fill_table = i_s_innodb_table_stats_fill;
DBUG_RETURN(0);
}
static
int
i_s_innodb_index_stats_init(
/*========================*/
void* p)
{
DBUG_ENTER("i_s_innodb_index_stats_init");
ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p;
schema->fields_info = i_s_innodb_index_stats_info;
schema->fill_table = i_s_innodb_index_stats_fill;
DBUG_RETURN(0);
}
UNIV_INTERN struct st_mysql_plugin i_s_innodb_table_stats =
{
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
STRUCT_FLD(info, &i_s_info),
STRUCT_FLD(name, "INNODB_TABLE_STATS"),
STRUCT_FLD(author, plugin_author),
STRUCT_FLD(descr, "InnoDB table statistics in memory"),
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
STRUCT_FLD(init, i_s_innodb_table_stats_init),
STRUCT_FLD(deinit, i_s_common_deinit),
STRUCT_FLD(version, 0x0100 /* 1.0 */),
STRUCT_FLD(status_vars, NULL),
STRUCT_FLD(system_vars, NULL),
STRUCT_FLD(__reserved1, NULL)
};
UNIV_INTERN struct st_maria_plugin i_s_innodb_table_stats_maria =
{
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
STRUCT_FLD(info, &i_s_info),
STRUCT_FLD(name, "INNODB_TABLE_STATS"),
STRUCT_FLD(author, plugin_author),
STRUCT_FLD(descr, "InnoDB table statistics in memory"),
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
STRUCT_FLD(init, i_s_innodb_table_stats_init),
STRUCT_FLD(deinit, i_s_common_deinit),
STRUCT_FLD(version, 0x0100 /* 1.0 */),
STRUCT_FLD(status_vars, NULL),
STRUCT_FLD(system_vars, NULL),
STRUCT_FLD(version_info, "1.0"),
STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_STABLE)
};
UNIV_INTERN struct st_mysql_plugin i_s_innodb_index_stats =
{
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
STRUCT_FLD(info, &i_s_info),
STRUCT_FLD(name, "INNODB_INDEX_STATS"),
STRUCT_FLD(author, plugin_author),
STRUCT_FLD(descr, "InnoDB index statistics in memory"),
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
STRUCT_FLD(init, i_s_innodb_index_stats_init),
STRUCT_FLD(deinit, i_s_common_deinit),
STRUCT_FLD(version, 0x0100 /* 1.0 */),
STRUCT_FLD(status_vars, NULL),
STRUCT_FLD(system_vars, NULL),
STRUCT_FLD(__reserved1, NULL)
};
UNIV_INTERN struct st_maria_plugin i_s_innodb_index_stats_maria =
{
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
STRUCT_FLD(info, &i_s_info),
STRUCT_FLD(name, "INNODB_INDEX_STATS"),
STRUCT_FLD(author, plugin_author),
STRUCT_FLD(descr, "InnoDB index statistics in memory"),
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
STRUCT_FLD(init, i_s_innodb_index_stats_init),
STRUCT_FLD(deinit, i_s_common_deinit),
STRUCT_FLD(version, 0x0100 /* 1.0 */),
STRUCT_FLD(status_vars, NULL),
STRUCT_FLD(system_vars, NULL),
STRUCT_FLD(version_info, "1.0"),
STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_STABLE)
};
/***********************************************************************
*/
static ST_FIELD_INFO i_s_innodb_admin_command_info[] =
{
{STRUCT_FLD(field_name, "result_message"),
STRUCT_FLD(field_length, 1024),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
END_OF_ST_FIELD_INFO
};
#ifndef INNODB_COMPATIBILITY_HOOKS
#error InnoDB needs MySQL to be built with #define INNODB_COMPATIBILITY_HOOKS
#endif
extern "C" {
char **thd_query(MYSQL_THD thd);
}
static
int
i_s_innodb_admin_command_fill(
/*==========================*/
THD* thd,
TABLE_LIST* tables,
COND* cond)
{
TABLE* i_s_table = (TABLE *) tables->table;
char** query_str;
char* ptr;
char quote = '\0';
const char* command_head = "XTRA_";
DBUG_ENTER("i_s_innodb_admin_command_fill");
/* deny access to non-superusers */
if (check_global_access(thd, PROCESS_ACL)) {
DBUG_RETURN(0);
}
if(thd_sql_command(thd) != SQLCOM_SELECT) {
field_store_string(i_s_table->field[0],
"SELECT command is only accepted.");
goto end_func;
}
query_str = thd_query(thd);
ptr = *query_str;
for (; *ptr; ptr++) {
if (*ptr == quote) {
quote = '\0';
} else if (quote) {
} else if (*ptr == '`' || *ptr == '"') {
quote = *ptr;
} else {
long i;
for (i = 0; command_head[i]; i++) {
if (toupper((int)(unsigned char)(ptr[i]))
!= toupper((int)(unsigned char)
(command_head[i]))) {
goto nomatch;
}
}
break;
nomatch:
;
}
}
if (!*ptr) {
field_store_string(i_s_table->field[0],
"No XTRA_* command in the SQL statement."
" Please add /*!XTRA_xxxx*/ to the SQL.");
goto end_func;
}
if (!strncasecmp("XTRA_HELLO", ptr, 10)) {
/* This is example command XTRA_HELLO */
ut_print_timestamp(stderr);
fprintf(stderr, " InnoDB: administration command test for XtraDB"
" 'XTRA_HELLO' was detected.\n");
field_store_string(i_s_table->field[0],
"Hello!");
goto end_func;
}
else if (!strncasecmp("XTRA_LRU_DUMP", ptr, 13)) {
ut_print_timestamp(stderr);
fprintf(stderr, " InnoDB: administration command 'XTRA_LRU_DUMP'"
" was detected.\n");
if (buf_LRU_file_dump()) {
field_store_string(i_s_table->field[0],
"XTRA_LRU_DUMP was succeeded.");
} else {
field_store_string(i_s_table->field[0],
"XTRA_LRU_DUMP was failed.");
}
goto end_func;
}
else if (!strncasecmp("XTRA_LRU_RESTORE", ptr, 16)) {
ut_print_timestamp(stderr);
fprintf(stderr, " InnoDB: administration command 'XTRA_LRU_RESTORE'"
" was detected.\n");
if (buf_LRU_file_restore()) {
field_store_string(i_s_table->field[0],
"XTRA_LRU_RESTORE was succeeded.");
} else {
field_store_string(i_s_table->field[0],
"XTRA_LRU_RESTORE was failed.");
}
goto end_func;
}
field_store_string(i_s_table->field[0],
"Undefined XTRA_* command.");
goto end_func;
end_func:
if (schema_table_store_record(thd, i_s_table)) {
DBUG_RETURN(1);
} else {
DBUG_RETURN(0);
}
}
static
int
i_s_innodb_admin_command_init(
/*==========================*/
void* p)
{
DBUG_ENTER("i_s_innodb_admin_command_init");
ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p;
schema->fields_info = i_s_innodb_admin_command_info;
schema->fill_table = i_s_innodb_admin_command_fill;
DBUG_RETURN(0);
}
UNIV_INTERN struct st_mysql_plugin i_s_innodb_admin_command =
{
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
STRUCT_FLD(info, &i_s_info),
STRUCT_FLD(name, "XTRADB_ADMIN_COMMAND"),
STRUCT_FLD(author, plugin_author),
STRUCT_FLD(descr, "XtraDB specific command acceptor"),
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
STRUCT_FLD(init, i_s_innodb_admin_command_init),
STRUCT_FLD(deinit, i_s_common_deinit),
STRUCT_FLD(version, 0x0100 /* 1.0 */),
STRUCT_FLD(status_vars, NULL),
STRUCT_FLD(system_vars, NULL),
STRUCT_FLD(__reserved1, NULL)
};
UNIV_INTERN struct st_maria_plugin i_s_innodb_admin_command_maria =
{
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
STRUCT_FLD(info, &i_s_info),
STRUCT_FLD(name, "XTRADB_ADMIN_COMMAND"),
STRUCT_FLD(author, plugin_author),
STRUCT_FLD(descr, "XtraDB specific command acceptor"),
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
STRUCT_FLD(init, i_s_innodb_admin_command_init),
STRUCT_FLD(deinit, i_s_common_deinit),
STRUCT_FLD(version, 0x0100 /* 1.0 */),
STRUCT_FLD(status_vars, NULL),
STRUCT_FLD(system_vars, NULL),
STRUCT_FLD(version_info, "1.0"),
STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_STABLE)
};
static ST_FIELD_INFO i_s_innodb_sys_tables_info[] =
{
{STRUCT_FLD(field_name, "SCHEMA"),
STRUCT_FLD(field_length, NAME_LEN),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "NAME"),
STRUCT_FLD(field_length, NAME_LEN),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "ID"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "N_COLS"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "TYPE"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "MIX_ID"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "MIX_LEN"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "CLUSTER_NAME"),
STRUCT_FLD(field_length, NAME_LEN),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "SPACE"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
END_OF_ST_FIELD_INFO
};
static ST_FIELD_INFO i_s_innodb_sys_indexes_info[] =
{
{STRUCT_FLD(field_name, "TABLE_ID"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "ID"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "NAME"),
STRUCT_FLD(field_length, NAME_LEN),
STRUCT_FLD(field_type, MYSQL_TYPE_STRING),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, 0),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "N_FIELDS"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "TYPE"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "SPACE"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "PAGE_NO"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
END_OF_ST_FIELD_INFO
};
static ST_FIELD_INFO i_s_innodb_sys_stats_info[] =
{
{STRUCT_FLD(field_name, "INDEX_ID"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "KEY_COLS"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
{STRUCT_FLD(field_name, "DIFF_VALS"),
STRUCT_FLD(field_length, MY_INT64_NUM_DECIMAL_DIGITS),
STRUCT_FLD(field_type, MYSQL_TYPE_LONGLONG),
STRUCT_FLD(value, 0),
STRUCT_FLD(field_flags, MY_I_S_UNSIGNED),
STRUCT_FLD(old_name, ""),
STRUCT_FLD(open_method, SKIP_OPEN_TABLE)},
END_OF_ST_FIELD_INFO
};
static
int
copy_string_field(
/*==============*/
TABLE* table,
int table_field,
const rec_t* rec,
int rec_field)
{
int status;
const byte* data;
ulint len;
/*fprintf(stderr, "copy_string_field %d %d\n", table_field, rec_field);*/
data = rec_get_nth_field_old(rec, rec_field, &len);
if (len == UNIV_SQL_NULL) {
table->field[table_field]->set_null();
status = 0; /* success */
} else {
table->field[table_field]->set_notnull();
status = table->field[table_field]->store(
(char *) data, len, system_charset_info);
}
return status;
}
static
int
copy_name_fields(
/*=============*/
TABLE* table,
int table_field_1,
const rec_t* rec,
int rec_field)
{
int status;
const byte* data;
ulint len;
data = rec_get_nth_field_old(rec, rec_field, &len);
if (len == UNIV_SQL_NULL) {
table->field[table_field_1]->set_null();
table->field[table_field_1 + 1]->set_null();
status = 0; /* success */
} else {
char buf[NAME_LEN * 2 + 2];
char* ptr;
if (len > NAME_LEN * 2 + 1) {
table->field[table_field_1]->set_null();
status = field_store_string(table->field[table_field_1 + 1],
"###TOO LONG NAME###");
goto end_func;
}
strncpy(buf, (char*)data, len);
buf[len] = '\0';
ptr = strchr(buf, '/');
if (ptr) {
*ptr = '\0';
++ptr;
status = field_store_string(table->field[table_field_1], buf);
status |= field_store_string(table->field[table_field_1 + 1], ptr);
} else {
table->field[table_field_1]->set_null();
status = field_store_string(table->field[table_field_1 + 1], buf);
}
}
end_func:
return status;
}
static
int
copy_int_field(
/*===========*/
TABLE* table,
int table_field,
const rec_t* rec,
int rec_field)
{
int status;
const byte* data;
ulint len;
/*fprintf(stderr, "copy_int_field %d %d\n", table_field, rec_field);*/
data = rec_get_nth_field_old(rec, rec_field, &len);
if (len == UNIV_SQL_NULL) {
table->field[table_field]->set_null();
status = 0; /* success */
} else {
table->field[table_field]->set_notnull();
status = table->field[table_field]->store(
mach_read_from_4(data), true);
}
return status;
}
static
int
copy_id_field(
/*==========*/
TABLE* table,
int table_field,
const rec_t* rec,
int rec_field)
{
int status;
const byte* data;
ulint len;
/*fprintf(stderr, "copy_id_field %d %d\n", table_field, rec_field);*/
data = rec_get_nth_field_old(rec, rec_field, &len);
if (len == UNIV_SQL_NULL) {
table->field[table_field]->set_null();
status = 0; /* success */
} else {
table->field[table_field]->set_notnull();
status = table->field[table_field]->store(
ut_conv_dulint_to_longlong(mach_read_from_8(data)), true);
}
return status;
}
static
int
copy_sys_tables_rec(
/*================*/
TABLE* table,
const dict_index_t* index,
const rec_t* rec
)
{
int status;
int field;
/* NAME */
field = dict_index_get_nth_col_pos(index, 0);
status = copy_name_fields(table, 0, rec, field);
if (status) {
return status;
}
/* ID */
field = dict_index_get_nth_col_pos(index, 1);
status = copy_id_field(table, 2, rec, field);
if (status) {
return status;
}
/* N_COLS */
field = dict_index_get_nth_col_pos(index, 2);
status = copy_int_field(table, 3, rec, field);
if (status) {
return status;
}
/* TYPE */
field = dict_index_get_nth_col_pos(index, 3);
status = copy_int_field(table, 4, rec, field);
if (status) {
return status;
}
/* MIX_ID */
field = dict_index_get_nth_col_pos(index, 4);
status = copy_id_field(table, 5, rec, field);
if (status) {
return status;
}
/* MIX_LEN */
field = dict_index_get_nth_col_pos(index, 5);
status = copy_int_field(table, 6, rec, field);
if (status) {
return status;
}
/* CLUSTER_NAME */
field = dict_index_get_nth_col_pos(index, 6);
status = copy_string_field(table, 7, rec, field);
if (status) {
return status;
}
/* SPACE */
field = dict_index_get_nth_col_pos(index, 7);
status = copy_int_field(table, 8, rec, field);
if (status) {
return status;
}
return 0;
}
static
int
copy_sys_indexes_rec(
/*=================*/
TABLE* table,
const dict_index_t* index,
const rec_t* rec
)
{
int status;
int field;
/* TABLE_ID */
field = dict_index_get_nth_col_pos(index, 0);
status = copy_id_field(table, 0, rec, field);
if (status) {
return status;
}
/* ID */
field = dict_index_get_nth_col_pos(index, 1);
status = copy_id_field(table, 1, rec, field);
if (status) {
return status;
}
/* NAME */
field = dict_index_get_nth_col_pos(index, 2);
status = copy_string_field(table, 2, rec, field);
if (status) {
return status;
}
/* N_FIELDS */
field = dict_index_get_nth_col_pos(index, 3);
status = copy_int_field(table, 3, rec, field);
if (status) {
return status;
}
/* TYPE */
field = dict_index_get_nth_col_pos(index, 4);
status = copy_int_field(table, 4, rec, field);
if (status) {
return status;
}
/* SPACE */
field = dict_index_get_nth_col_pos(index, 5);
status = copy_int_field(table, 5, rec, field);
if (status) {
return status;
}
/* PAGE_NO */
field = dict_index_get_nth_col_pos(index, 6);
status = copy_int_field(table, 6, rec, field);
if (status) {
return status;
}
return 0;
}
static
int
copy_sys_stats_rec(
/*===============*/
TABLE* table,
const dict_index_t* index,
const rec_t* rec
)
{
int status;
int field;
/* INDEX_ID */
field = dict_index_get_nth_col_pos(index, 0);
status = copy_id_field(table, 0, rec, field);
if (status) {
return status;
}
/* KEY_COLS */
field = dict_index_get_nth_col_pos(index, 1);
status = copy_int_field(table, 1, rec, field);
if (status) {
return status;
}
/* DIFF_VALS */
field = dict_index_get_nth_col_pos(index, 2);
status = copy_id_field(table, 2, rec, field);
if (status) {
return status;
}
return 0;
}
static
int
i_s_innodb_schema_table_fill(
/*=========================*/
THD* thd,
TABLE_LIST* tables,
COND* cond)
{
int status = 0;
TABLE* table = (TABLE *) tables->table;
const char* table_name = tables->schema_table_name;
dict_table_t* innodb_table;
dict_index_t* index;
btr_pcur_t pcur;
const rec_t* rec;
mtr_t mtr;
int id;
DBUG_ENTER("i_s_innodb_schema_table_fill");
/* deny access to non-superusers */
if (check_global_access(thd, PROCESS_ACL)) {
DBUG_RETURN(0);
}
if (innobase_strcasecmp(table_name, "innodb_sys_tables") == 0) {
id = 0;
} else if (innobase_strcasecmp(table_name, "innodb_sys_indexes") == 0) {
id = 1;
} else if (innobase_strcasecmp(table_name, "innodb_sys_stats") == 0) {
id = 2;
} else {
DBUG_RETURN(1);
}
RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name);
mutex_enter(&(dict_sys->mutex));
mtr_start(&mtr);
if (id == 0) {
innodb_table = dict_table_get_low("SYS_TABLES");
} else if (id == 1) {
innodb_table = dict_table_get_low("SYS_INDEXES");
} else {
innodb_table = dict_table_get_low("SYS_STATS");
}
index = UT_LIST_GET_FIRST(innodb_table->indexes);
btr_pcur_open_at_index_side(TRUE, index, BTR_SEARCH_LEAF, &pcur,
TRUE, &mtr);
for (;;) {
btr_pcur_move_to_next_user_rec(&pcur, &mtr);
rec = btr_pcur_get_rec(&pcur);
if (!btr_pcur_is_on_user_rec(&pcur)) {
/* end of index */
btr_pcur_close(&pcur);
mtr_commit(&mtr);
break;
}
if (rec_get_deleted_flag(rec, 0)) {
/* record marked as deleted */
btr_pcur_close(&pcur);
mtr_commit(&mtr);
continue;
}
if (id == 0) {
status = copy_sys_tables_rec(table, index, rec);
} else if (id == 1) {
status = copy_sys_indexes_rec(table, index, rec);
} else {
status = copy_sys_stats_rec(table, index, rec);
}
if (status) {
btr_pcur_close(&pcur);
mtr_commit(&mtr);
break;
}
#if 0
btr_pcur_store_position(&pcur, &mtr);
mtr_commit(&mtr);
status = schema_table_store_record(thd, table);
if (status) {
btr_pcur_close(&pcur);
break;
}
mtr_start(&mtr);
btr_pcur_restore_position(BTR_SEARCH_LEAF, &pcur, &mtr);
#else
status = schema_table_store_record(thd, table);
if (status) {
btr_pcur_close(&pcur);
mtr_commit(&mtr);
break;
}
#endif
}
mutex_exit(&(dict_sys->mutex));
DBUG_RETURN(status);
}
static
int
i_s_innodb_sys_tables_init(
/*=======================*/
void* p)
{
DBUG_ENTER("i_s_innodb_sys_tables_init");
ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p;
schema->fields_info = i_s_innodb_sys_tables_info;
schema->fill_table = i_s_innodb_schema_table_fill;
DBUG_RETURN(0);
}
static
int
i_s_innodb_sys_indexes_init(
/*========================*/
void* p)
{
DBUG_ENTER("i_s_innodb_sys_indexes_init");
ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p;
schema->fields_info = i_s_innodb_sys_indexes_info;
schema->fill_table = i_s_innodb_schema_table_fill;
DBUG_RETURN(0);
}
static
int
i_s_innodb_sys_stats_init(
/*======================*/
void* p)
{
DBUG_ENTER("i_s_innodb_sys_stats_init");
ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p;
schema->fields_info = i_s_innodb_sys_stats_info;
schema->fill_table = i_s_innodb_schema_table_fill;
DBUG_RETURN(0);
}
UNIV_INTERN struct st_mysql_plugin i_s_innodb_sys_tables =
{
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
STRUCT_FLD(info, &i_s_info),
STRUCT_FLD(name, "INNODB_SYS_TABLES"),
STRUCT_FLD(author, plugin_author),
STRUCT_FLD(descr, "InnoDB SYS_TABLES table"),
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
STRUCT_FLD(init, i_s_innodb_sys_tables_init),
STRUCT_FLD(deinit, i_s_common_deinit),
STRUCT_FLD(version, 0x0100 /* 1.0 */),
STRUCT_FLD(status_vars, NULL),
STRUCT_FLD(system_vars, NULL),
STRUCT_FLD(__reserved1, NULL)
};
UNIV_INTERN struct st_maria_plugin i_s_innodb_sys_tables_maria =
{
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
STRUCT_FLD(info, &i_s_info),
STRUCT_FLD(name, "INNODB_SYS_TABLES"),
STRUCT_FLD(author, plugin_author),
STRUCT_FLD(descr, "InnoDB SYS_TABLES table"),
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
STRUCT_FLD(init, i_s_innodb_sys_tables_init),
STRUCT_FLD(deinit, i_s_common_deinit),
STRUCT_FLD(version, 0x0100 /* 1.0 */),
STRUCT_FLD(status_vars, NULL),
STRUCT_FLD(system_vars, NULL),
STRUCT_FLD(version_info, "1.0"),
STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_BETA)
};
UNIV_INTERN struct st_mysql_plugin i_s_innodb_sys_indexes =
{
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
STRUCT_FLD(info, &i_s_info),
STRUCT_FLD(name, "INNODB_SYS_INDEXES"),
STRUCT_FLD(author, plugin_author),
STRUCT_FLD(descr, "InnoDB SYS_INDEXES table"),
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
STRUCT_FLD(init, i_s_innodb_sys_indexes_init),
STRUCT_FLD(deinit, i_s_common_deinit),
STRUCT_FLD(version, 0x0100 /* 1.0 */),
STRUCT_FLD(status_vars, NULL),
STRUCT_FLD(system_vars, NULL),
STRUCT_FLD(__reserved1, NULL)
};
UNIV_INTERN struct st_maria_plugin i_s_innodb_sys_indexes_maria =
{
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
STRUCT_FLD(info, &i_s_info),
STRUCT_FLD(name, "INNODB_SYS_INDEXES"),
STRUCT_FLD(author, plugin_author),
STRUCT_FLD(descr, "InnoDB SYS_INDEXES table"),
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
STRUCT_FLD(init, i_s_innodb_sys_indexes_init),
STRUCT_FLD(deinit, i_s_common_deinit),
STRUCT_FLD(version, 0x0100 /* 1.0 */),
STRUCT_FLD(status_vars, NULL),
STRUCT_FLD(system_vars, NULL),
STRUCT_FLD(version_info, "1.0"),
STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_BETA)
};
UNIV_INTERN struct st_mysql_plugin i_s_innodb_sys_stats =
{
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
STRUCT_FLD(info, &i_s_info),
STRUCT_FLD(name, "INNODB_SYS_STATS"),
STRUCT_FLD(author, plugin_author),
STRUCT_FLD(descr, "InnoDB SYS_STATS table"),
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
STRUCT_FLD(init, i_s_innodb_sys_stats_init),
STRUCT_FLD(deinit, i_s_common_deinit),
STRUCT_FLD(version, 0x0100 /* 1.0 */),
STRUCT_FLD(status_vars, NULL),
STRUCT_FLD(system_vars, NULL),
STRUCT_FLD(__reserved1, NULL)
};
UNIV_INTERN struct st_maria_plugin i_s_innodb_sys_stats_maria =
{
STRUCT_FLD(type, MYSQL_INFORMATION_SCHEMA_PLUGIN),
STRUCT_FLD(info, &i_s_info),
STRUCT_FLD(name, "INNODB_SYS_STATS"),
STRUCT_FLD(author, plugin_author),
STRUCT_FLD(descr, "InnoDB SYS_STATS table"),
STRUCT_FLD(license, PLUGIN_LICENSE_GPL),
STRUCT_FLD(init, i_s_innodb_sys_stats_init),
STRUCT_FLD(deinit, i_s_common_deinit),
STRUCT_FLD(version, 0x0100 /* 1.0 */),
STRUCT_FLD(status_vars, NULL),
STRUCT_FLD(system_vars, NULL),
STRUCT_FLD(version_info, "1.0"),
STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_BETA)
};
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