mariadb/storage/xtradb/handler/i_s.h
2017-05-19 12:29:37 +03:00

159 lines
6.2 KiB
C

/*****************************************************************************
Copyright (c) 2007, 2013, Oracle and/or its affiliates. All Rights Reserved.
Copyrigth (c) 2014, 2017, MariaDB Corporation.
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
*****************************************************************************/
/**************************************************//**
@file handler/i_s.h
InnoDB INFORMATION SCHEMA tables interface to MySQL.
Created July 18, 2007 Vasil Dimov
Modified Dec 29, 2014 Jan Lindström
*******************************************************/
#ifndef i_s_h
#define i_s_h
const char plugin_author[] = "Oracle Corporation";
const char maria_plugin_author[] = "MariaDB Corporation";
#define st_mysql_plugin st_maria_plugin
extern struct st_maria_plugin i_s_innodb_trx;
extern struct st_mysql_plugin i_s_innodb_trx;
extern struct st_mysql_plugin i_s_innodb_locks;
extern struct st_mysql_plugin i_s_innodb_lock_waits;
extern struct st_mysql_plugin i_s_innodb_cmp;
extern struct st_mysql_plugin i_s_innodb_cmp_reset;
extern struct st_mysql_plugin i_s_innodb_cmp_per_index;
extern struct st_mysql_plugin i_s_innodb_cmp_per_index_reset;
extern struct st_mysql_plugin i_s_innodb_cmpmem;
extern struct st_mysql_plugin i_s_innodb_cmpmem_reset;
extern struct st_mysql_plugin i_s_innodb_metrics;
extern struct st_mysql_plugin i_s_innodb_ft_default_stopword;
extern struct st_mysql_plugin i_s_innodb_ft_deleted;
extern struct st_mysql_plugin i_s_innodb_ft_being_deleted;
extern struct st_mysql_plugin i_s_innodb_ft_index_cache;
extern struct st_mysql_plugin i_s_innodb_ft_index_table;
extern struct st_mysql_plugin i_s_innodb_ft_config;
extern struct st_mysql_plugin i_s_innodb_buffer_page;
extern struct st_mysql_plugin i_s_innodb_buffer_page_lru;
extern struct st_mysql_plugin i_s_innodb_buffer_stats;
extern struct st_mysql_plugin i_s_innodb_sys_tables;
extern struct st_mysql_plugin i_s_innodb_sys_tablestats;
extern struct st_mysql_plugin i_s_innodb_sys_indexes;
extern struct st_mysql_plugin i_s_innodb_sys_columns;
extern struct st_mysql_plugin i_s_innodb_sys_fields;
extern struct st_mysql_plugin i_s_innodb_sys_foreign;
extern struct st_mysql_plugin i_s_innodb_sys_foreign_cols;
extern struct st_mysql_plugin i_s_innodb_sys_tablespaces;
extern struct st_mysql_plugin i_s_innodb_sys_datafiles;
extern struct st_mysql_plugin i_s_innodb_changed_pages;
extern struct st_mysql_plugin i_s_innodb_mutexes;
extern struct st_maria_plugin i_s_innodb_tablespaces_encryption;
extern struct st_maria_plugin i_s_innodb_tablespaces_scrubbing;
extern struct st_mysql_plugin i_s_innodb_sys_semaphore_waits;
extern struct st_mysql_plugin i_s_innodb_changed_page_bitmaps;
/** maximum number of buffer page info we would cache. */
#define MAX_BUF_INFO_CACHED 10000
#define OK(expr) \
if ((expr) != 0) { \
DBUG_RETURN(1); \
}
#define BREAK_IF(expr) if ((expr)) break
#define RETURN_IF_INNODB_NOT_STARTED(plugin_name) \
do { \
if (!srv_was_started) { \
push_warning_printf(thd, Sql_condition::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 && !defined __clang__
#ifdef HAVE_C99_INITIALIZERS
#define STRUCT_FLD(name, value) .name = value
#else
#define STRUCT_FLD(name, value) name: value
#endif /* HAVE_C99_INITIALIZERS */
#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)}
/** Fields on INFORMATION_SCHEMA.SYS_SEMAMPHORE_WAITS table */
#define SYS_SEMAPHORE_WAITS_THREAD_ID 0
#define SYS_SEMAPHORE_WAITS_OBJECT_NAME 1
#define SYS_SEMAPHORE_WAITS_FILE 2
#define SYS_SEMAPHORE_WAITS_LINE 3
#define SYS_SEMAPHORE_WAITS_WAIT_TIME 4
#define SYS_SEMAPHORE_WAITS_WAIT_OBJECT 5
#define SYS_SEMAPHORE_WAITS_WAIT_TYPE 6
#define SYS_SEMAPHORE_WAITS_HOLDER_THREAD_ID 7
#define SYS_SEMAPHORE_WAITS_HOLDER_FILE 8
#define SYS_SEMAPHORE_WAITS_HOLDER_LINE 9
#define SYS_SEMAPHORE_WAITS_CREATED_FILE 10
#define SYS_SEMAPHORE_WAITS_CREATED_LINE 11
#define SYS_SEMAPHORE_WAITS_WRITER_THREAD 12
#define SYS_SEMAPHORE_WAITS_RESERVATION_MODE 13
#define SYS_SEMAPHORE_WAITS_READERS 14
#define SYS_SEMAPHORE_WAITS_WAITERS_FLAG 15
#define SYS_SEMAPHORE_WAITS_LOCK_WORD 16
#define SYS_SEMAPHORE_WAITS_LAST_READER_FILE 17
#define SYS_SEMAPHORE_WAITS_LAST_READER_LINE 18
#define SYS_SEMAPHORE_WAITS_LAST_WRITER_FILE 19
#define SYS_SEMAPHORE_WAITS_LAST_WRITER_LINE 20
#define SYS_SEMAPHORE_WAITS_OS_WAIT_COUNT 21
/*******************************************************************//**
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 */
int
field_store_ulint(
/*==============*/
Field* field, /*!< in/out: target field for storage */
ulint n); /*!< in: value to store */
/*******************************************************************//**
Auxiliary function to store char* value in MYSQL_TYPE_STRING field.
@return 0 on success */
int
field_store_string(
/*===============*/
Field* field, /*!< in/out: target field for storage */
const char* str); /*!< in: NUL-terminated utf-8 string,
or NULL */
#endif /* i_s_h */