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155 lines
6 KiB
C
155 lines
6 KiB
C
/*****************************************************************************
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Copyright (c) 2007, 2013, Oracle and/or its affiliates. All Rights Reserved.
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Copyrigth (c) 2014, 2017, MariaDB Corporation.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
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*****************************************************************************/
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/**************************************************//**
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@file handler/i_s.h
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InnoDB INFORMATION SCHEMA tables interface to MySQL.
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Created July 18, 2007 Vasil Dimov
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Modified Dec 29, 2014 Jan Lindström
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*******************************************************/
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#ifndef i_s_h
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#define i_s_h
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const char plugin_author[] = "Oracle Corporation";
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const char maria_plugin_author[] = "MariaDB Corporation";
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extern struct st_maria_plugin i_s_innodb_trx;
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extern struct st_maria_plugin i_s_innodb_locks;
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extern struct st_maria_plugin i_s_innodb_lock_waits;
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extern struct st_maria_plugin i_s_innodb_cmp;
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extern struct st_maria_plugin i_s_innodb_cmp_reset;
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extern struct st_maria_plugin i_s_innodb_cmp_per_index;
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extern struct st_maria_plugin i_s_innodb_cmp_per_index_reset;
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extern struct st_maria_plugin i_s_innodb_cmpmem;
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extern struct st_maria_plugin i_s_innodb_cmpmem_reset;
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extern struct st_maria_plugin i_s_innodb_metrics;
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extern struct st_maria_plugin i_s_innodb_ft_default_stopword;
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extern struct st_maria_plugin i_s_innodb_ft_deleted;
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extern struct st_maria_plugin i_s_innodb_ft_being_deleted;
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extern struct st_maria_plugin i_s_innodb_ft_index_cache;
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extern struct st_maria_plugin i_s_innodb_ft_index_table;
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extern struct st_maria_plugin i_s_innodb_ft_config;
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extern struct st_maria_plugin i_s_innodb_buffer_page;
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extern struct st_maria_plugin i_s_innodb_buffer_page_lru;
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extern struct st_maria_plugin i_s_innodb_buffer_stats;
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extern struct st_maria_plugin i_s_innodb_sys_tables;
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extern struct st_maria_plugin i_s_innodb_sys_tablestats;
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extern struct st_maria_plugin i_s_innodb_sys_indexes;
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extern struct st_maria_plugin i_s_innodb_sys_columns;
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extern struct st_maria_plugin i_s_innodb_sys_fields;
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extern struct st_maria_plugin i_s_innodb_sys_foreign;
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extern struct st_maria_plugin i_s_innodb_sys_foreign_cols;
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extern struct st_maria_plugin i_s_innodb_sys_tablespaces;
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extern struct st_maria_plugin i_s_innodb_sys_datafiles;
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extern struct st_maria_plugin i_s_innodb_mutexes;
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extern struct st_maria_plugin i_s_innodb_tablespaces_encryption;
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extern struct st_maria_plugin i_s_innodb_tablespaces_scrubbing;
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extern struct st_maria_plugin i_s_innodb_sys_semaphore_waits;
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/** maximum number of buffer page info we would cache. */
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#define MAX_BUF_INFO_CACHED 10000
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#define OK(expr) \
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if ((expr) != 0) { \
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DBUG_RETURN(1); \
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}
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#define BREAK_IF(expr) if ((expr)) break
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#define RETURN_IF_INNODB_NOT_STARTED(plugin_name) \
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do { \
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if (!srv_was_started) { \
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push_warning_printf(thd, Sql_condition::WARN_LEVEL_WARN, \
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ER_CANT_FIND_SYSTEM_REC, \
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"InnoDB: SELECTing from " \
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"INFORMATION_SCHEMA.%s but " \
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"the InnoDB storage engine " \
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"is not installed", plugin_name); \
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DBUG_RETURN(0); \
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} \
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} while (0)
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#if !defined __STRICT_ANSI__ && defined __GNUC__ && (__GNUC__) > 2 && !defined __INTEL_COMPILER && !defined __clang__
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#ifdef HAVE_C99_INITIALIZERS
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#define STRUCT_FLD(name, value) .name = value
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#else
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#define STRUCT_FLD(name, value) name: value
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#endif /* HAVE_C99_INITIALIZERS */
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#else
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#define STRUCT_FLD(name, value) value
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#endif
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/* Don't use a static const variable here, as some C++ compilers (notably
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HPUX aCC: HP ANSI C++ B3910B A.03.65) can't handle it. */
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#define END_OF_ST_FIELD_INFO \
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{STRUCT_FLD(field_name, NULL), \
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STRUCT_FLD(field_length, 0), \
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STRUCT_FLD(field_type, MYSQL_TYPE_NULL), \
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STRUCT_FLD(value, 0), \
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STRUCT_FLD(field_flags, 0), \
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STRUCT_FLD(old_name, ""), \
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STRUCT_FLD(open_method, SKIP_OPEN_TABLE)}
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/** Fields on INFORMATION_SCHEMA.SYS_SEMAMPHORE_WAITS table */
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#define SYS_SEMAPHORE_WAITS_THREAD_ID 0
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#define SYS_SEMAPHORE_WAITS_OBJECT_NAME 1
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#define SYS_SEMAPHORE_WAITS_FILE 2
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#define SYS_SEMAPHORE_WAITS_LINE 3
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#define SYS_SEMAPHORE_WAITS_WAIT_TIME 4
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#define SYS_SEMAPHORE_WAITS_WAIT_OBJECT 5
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#define SYS_SEMAPHORE_WAITS_WAIT_TYPE 6
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#define SYS_SEMAPHORE_WAITS_HOLDER_THREAD_ID 7
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#define SYS_SEMAPHORE_WAITS_HOLDER_FILE 8
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#define SYS_SEMAPHORE_WAITS_HOLDER_LINE 9
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#define SYS_SEMAPHORE_WAITS_CREATED_FILE 10
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#define SYS_SEMAPHORE_WAITS_CREATED_LINE 11
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#define SYS_SEMAPHORE_WAITS_WRITER_THREAD 12
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#define SYS_SEMAPHORE_WAITS_RESERVATION_MODE 13
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#define SYS_SEMAPHORE_WAITS_READERS 14
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#define SYS_SEMAPHORE_WAITS_WAITERS_FLAG 15
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#define SYS_SEMAPHORE_WAITS_LOCK_WORD 16
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#define SYS_SEMAPHORE_WAITS_LAST_READER_FILE 17
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#define SYS_SEMAPHORE_WAITS_LAST_READER_LINE 18
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#define SYS_SEMAPHORE_WAITS_LAST_WRITER_FILE 19
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#define SYS_SEMAPHORE_WAITS_LAST_WRITER_LINE 20
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#define SYS_SEMAPHORE_WAITS_OS_WAIT_COUNT 21
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/*******************************************************************//**
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Auxiliary function to store ulint value in MYSQL_TYPE_LONGLONG field.
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If the value is ULINT_UNDEFINED then the field it set to NULL.
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@return 0 on success */
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int
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field_store_ulint(
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/*==============*/
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Field* field, /*!< in/out: target field for storage */
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ulint n); /*!< in: value to store */
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/*******************************************************************//**
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Auxiliary function to store char* value in MYSQL_TYPE_STRING field.
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@return 0 on success */
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int
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field_store_string(
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/*===============*/
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Field* field, /*!< in/out: target field for storage */
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const char* str); /*!< in: NUL-terminated utf-8 string,
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or NULL */
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#endif /* i_s_h */
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