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ha_innodb.cc
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ha_innodb.cc
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/*****************************************************************************
Copyright (c) 2000, 2018, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2013, 2018, MariaDB Corporation.
Copyright (c) 2008, 2009 Google Inc.
Copyright (c) 2009, Percona Inc.
Copyright (c) 2012, Facebook Inc.
Copyright (c) 2013, 2018, MariaDB Corporation.
Portions of this file contain modifications contributed and copyrighted by
Google, Inc. Those modifications are gratefully acknowledged and are described
briefly in the InnoDB documentation. The contributions by Google are
incorporated with their permission, and subject to the conditions contained in
the file COPYING.Google.
Portions of this file contain modifications contributed and copyrighted
by Percona Inc.. Those modifications are
gratefully acknowledged and are described briefly in the InnoDB
documentation. The contributions by Percona Inc. are incorporated with
their permission, and subject to the conditions contained in the file
COPYING.Percona.
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
*****************************************************************************/
#define MYSQL_SERVER
#include <sql_table.h> // explain_filename, nz2, EXPLAIN_PARTITIONS_AS_COMMENT,
// EXPLAIN_FILENAME_MAX_EXTRA_LENGTH
#include <sql_acl.h> // PROCESS_ACL
#include <debug_sync.h> // DEBUG_SYNC
#include <my_base.h> // HA_OPTION_*
#include <mysys_err.h>
#include <innodb_priv.h>
#include <table_cache.h>
#include <my_check_opt.h>
#ifdef _WIN32
#include <io.h>
#endif
#include <my_service_manager.h>
/** @file ha_innodb.cc */
/* Include necessary InnoDB headers */
#include "univ.i"
#include "buf0dump.h"
#include "buf0lru.h"
#include "buf0flu.h"
#include "buf0dblwr.h"
#include "btr0sea.h"
#include "btr0defragment.h"
#include "os0file.h"
#include "os0thread.h"
#include "srv0start.h"
#include "srv0srv.h"
#include "trx0roll.h"
#include "trx0trx.h"
#include "trx0sys.h"
#include "rem0types.h"
#include "row0ins.h"
#include "row0mysql.h"
#include "row0sel.h"
#include "row0upd.h"
#include "log0log.h"
#include "log0online.h"
#include "lock0lock.h"
#include "dict0crea.h"
#include "btr0cur.h"
#include "btr0btr.h"
#include "fsp0fsp.h"
#include "sync0sync.h"
#include "fil0fil.h"
#include "fil0crypt.h"
#include "trx0xa.h"
#include "row0merge.h"
#include "dict0boot.h"
#include "dict0stats.h"
#include "dict0stats_bg.h"
#include "ha_prototypes.h"
#include "ut0mem.h"
#include "ut0timer.h"
#include "ibuf0ibuf.h"
#include "dict0dict.h"
#include "srv0mon.h"
#include "api0api.h"
#include "api0misc.h"
#include "pars0pars.h"
#include "fts0fts.h"
#include "fts0types.h"
#include "row0import.h"
#include "row0quiesce.h"
#include "row0mysql.h"
#ifdef UNIV_DEBUG
#include "trx0purge.h"
#endif /* UNIV_DEBUG */
#include "fts0priv.h"
#include "page0zip.h"
#include "fil0pagecompress.h"
#define thd_get_trx_isolation(X) ((enum_tx_isolation)thd_tx_isolation(X))
#ifdef MYSQL_DYNAMIC_PLUGIN
#define tc_size 400
#define tdc_size 400
#endif
#include "ha_innodb.h"
#include "i_s.h"
#include "xtradb_i_s.h"
#include <string>
#include <sstream>
#include <mysql/plugin.h>
#include <mysql/service_wsrep.h>
# ifndef MYSQL_PLUGIN_IMPORT
# define MYSQL_PLUGIN_IMPORT /* nothing */
# endif /* MYSQL_PLUGIN_IMPORT */
#ifdef WITH_WSREP
#include "dict0priv.h"
#include "../storage/innobase/include/ut0byte.h"
#include <mysql/service_md5.h>
class binlog_trx_data;
extern handlerton *binlog_hton;
extern MYSQL_PLUGIN_IMPORT mysql_mutex_t LOCK_wsrep_rollback;
extern MYSQL_PLUGIN_IMPORT mysql_cond_t COND_wsrep_rollback;
extern MYSQL_PLUGIN_IMPORT wsrep_aborting_thd_t wsrep_aborting_thd;
static inline wsrep_ws_handle_t*
wsrep_ws_handle(THD* thd, const trx_t* trx) {
return wsrep_ws_handle_for_trx(wsrep_thd_ws_handle(thd),
(wsrep_trx_id_t)trx->id);
}
extern TC_LOG* tc_log;
extern void wsrep_cleanup_transaction(THD *thd);
static int
wsrep_abort_transaction(handlerton* hton, THD *bf_thd, THD *victim_thd,
my_bool signal);
static void
wsrep_fake_trx_id(handlerton* hton, THD *thd);
static int innobase_wsrep_set_checkpoint(handlerton* hton, const XID* xid);
static int innobase_wsrep_get_checkpoint(handlerton* hton, XID* xid);
#endif /* WITH_WSREP */
/** to protect innobase_open_files */
static mysql_mutex_t innobase_share_mutex;
/** to force correct commit order in binlog */
static ulong commit_threads = 0;
static mysql_cond_t commit_cond;
static mysql_mutex_t commit_cond_m;
static mysql_mutex_t pending_checkpoint_mutex;
static bool innodb_inited = 0;
#define INSIDE_HA_INNOBASE_CC
#define EQ_CURRENT_THD(thd) ((thd) == current_thd)
static struct handlerton* innodb_hton_ptr;
static const long AUTOINC_OLD_STYLE_LOCKING = 0;
static const long AUTOINC_NEW_STYLE_LOCKING = 1;
static const long AUTOINC_NO_LOCKING = 2;
static long innobase_mirrored_log_groups;
static long innobase_log_buffer_size;
static long innobase_additional_mem_pool_size;
static long innobase_file_io_threads;
static long innobase_open_files;
static long innobase_autoinc_lock_mode;
static ulong innobase_commit_concurrency = 0;
static ulong innobase_read_io_threads;
static ulong innobase_write_io_threads;
static long innobase_buffer_pool_instances = 1;
static ulong innobase_log_block_size;
static long long innobase_buffer_pool_size, innobase_log_file_size;
/** Deprecated option that has no effect. */
static my_bool innodb_buffer_pool_populate;
/** Percentage of the buffer pool to reserve for 'old' blocks.
Connected to buf_LRU_old_ratio. */
static uint innobase_old_blocks_pct;
/** Maximum on-disk size of change buffer in terms of percentage
of the buffer pool. */
static uint innobase_change_buffer_max_size = CHANGE_BUFFER_DEFAULT_SIZE;
/* The default values for the following char* start-up parameters
are determined in innobase_init below: */
static char* innobase_data_home_dir = NULL;
static char* innobase_data_file_path = NULL;
static char* innobase_file_format_name = NULL;
static char* innobase_change_buffering = NULL;
static char* innobase_enable_monitor_counter = NULL;
static char* innobase_disable_monitor_counter = NULL;
static char* innobase_reset_monitor_counter = NULL;
static char* innobase_reset_all_monitor_counter = NULL;
/* The highest file format being used in the database. The value can be
set by user, however, it will be adjusted to the newer file format if
a table of such format is created/opened. */
static char* innobase_file_format_max = NULL;
static char* innobase_file_flush_method = NULL;
/* This variable can be set in the server configure file, specifying
stopword table to be used */
static char* innobase_server_stopword_table = NULL;
/* Below we have boolean-valued start-up parameters, and their default
values */
static ulong innobase_fast_shutdown = 1;
static my_bool innobase_file_format_check = TRUE;
#ifdef UNIV_LOG_ARCHIVE
static my_bool innobase_log_archive = FALSE;
static char* innobase_log_arch_dir = NULL;
#endif /* UNIV_LOG_ARCHIVE */
static my_bool innobase_use_atomic_writes = FALSE;
static my_bool innobase_use_fallocate = TRUE;
static my_bool innobase_use_doublewrite = TRUE;
static my_bool innobase_use_checksums = TRUE;
static my_bool innobase_locks_unsafe_for_binlog = FALSE;
static my_bool innobase_rollback_on_timeout = FALSE;
static my_bool innobase_create_status_file = FALSE;
static my_bool innobase_stats_on_metadata = TRUE;
static my_bool innobase_large_prefix = FALSE;
static my_bool innodb_optimize_fulltext_only = FALSE;
static char* internal_innobase_data_file_path = NULL;
static char* innodb_version_str = (char*) INNODB_VERSION_STR;
extern uint srv_fil_crypt_rotate_key_age;
extern uint srv_n_fil_crypt_iops;
extern my_bool srv_immediate_scrub_data_uncompressed;
extern my_bool srv_background_scrub_data_uncompressed;
extern my_bool srv_background_scrub_data_compressed;
extern uint srv_background_scrub_data_interval;
extern uint srv_background_scrub_data_check_interval;
#ifdef UNIV_DEBUG
extern my_bool srv_scrub_force_testing;
#endif
/** Possible values for system variable "innodb_stats_method". The values
are defined the same as its corresponding MyISAM system variable
"myisam_stats_method"(see "myisam_stats_method_names"), for better usability */
static const char* innodb_stats_method_names[] = {
"nulls_equal",
"nulls_unequal",
"nulls_ignored",
NullS
};
/** Used to define an enumerate type of the system variable innodb_stats_method.
This is the same as "myisam_stats_method_typelib" */
static TYPELIB innodb_stats_method_typelib = {
array_elements(innodb_stats_method_names) - 1,
"innodb_stats_method_typelib",
innodb_stats_method_names,
NULL
};
/** Possible values for system variables "innodb_checksum_algorithm" and
"innodb_log_checksum_algorithm". */
UNIV_INTERN
const char* innodb_checksum_algorithm_names[] = {
"CRC32",
"STRICT_CRC32",
"INNODB",
"STRICT_INNODB",
"NONE",
"STRICT_NONE",
NullS
};
/** Used to define an enumerate type of the system variables
innodb_checksum_algorithm and innodb_log_checksum_algorithm. */
UNIV_INTERN
TYPELIB innodb_checksum_algorithm_typelib = {
array_elements(innodb_checksum_algorithm_names) - 1,
"innodb_checksum_algorithm_typelib",
innodb_checksum_algorithm_names,
NULL
};
/** Possible values for system variable "innodb_cleaner_lsn_age_factor". */
static const char* innodb_cleaner_lsn_age_factor_names[] = {
"LEGACY",
"HIGH_CHECKPOINT",
NullS
};
/** Enumeration for innodb_cleaner_lsn_age_factor. */
static TYPELIB innodb_cleaner_lsn_age_factor_typelib = {
array_elements(innodb_cleaner_lsn_age_factor_names) - 1,
"innodb_cleaner_lsn_age_factor_typelib",
innodb_cleaner_lsn_age_factor_names,
NULL
};
/** Possible values for system variable "innodb_foreground_preflush". */
static const char* innodb_foreground_preflush_names[] = {
"SYNC_PREFLUSH",
"EXPONENTIAL_BACKOFF",
NullS
};
/* Enumeration for innodb_foreground_preflush. */
static TYPELIB innodb_foreground_preflush_typelib = {
array_elements(innodb_foreground_preflush_names) - 1,
"innodb_foreground_preflush_typelib",
innodb_foreground_preflush_names,
NULL
};
/** Possible values for system variable "innodb_empty_free_list_algorithm". */
static const char* innodb_empty_free_list_algorithm_names[] = {
"LEGACY",
"BACKOFF",
NullS
};
/** Enumeration for innodb_empty_free_list_algorithm. */
static TYPELIB innodb_empty_free_list_algorithm_typelib = {
array_elements(innodb_empty_free_list_algorithm_names) - 1,
"innodb_empty_free_list_algorithm_typelib",
innodb_empty_free_list_algorithm_names,
NULL
};
/** Possible values of the parameter innodb_lock_schedule_algorithm */
static const char* innodb_lock_schedule_algorithm_names[] = {
"fcfs",
"vats",
NullS
};
/** Used to define an enumerate type of the system variable
innodb_lock_schedule_algorithm. */
static TYPELIB innodb_lock_schedule_algorithm_typelib = {
array_elements(innodb_lock_schedule_algorithm_names) - 1,
"innodb_lock_schedule_algorithm_typelib",
innodb_lock_schedule_algorithm_names,
NULL
};
/** Possible values for system variable "innodb_default_row_format". */
static const char* innodb_default_row_format_names[] = {
"redundant",
"compact",
"dynamic",
NullS
};
/** Used to define an enumerate type of the system variable
innodb_default_row_format. */
static TYPELIB innodb_default_row_format_typelib = {
array_elements(innodb_default_row_format_names) - 1,
"innodb_default_row_format_typelib",
innodb_default_row_format_names,
NULL
};
/* The following counter is used to convey information to InnoDB
about server activity: in case of normal DML ops it is not
sensible to call srv_active_wake_master_thread after each
operation, we only do it every INNOBASE_WAKE_INTERVAL'th step. */
#define INNOBASE_WAKE_INTERVAL 32
static ulong innobase_active_counter = 0;
static hash_table_t* innobase_open_tables;
/** Allowed values of innodb_change_buffering */
static const char* innobase_change_buffering_values[IBUF_USE_COUNT] = {
"none", /* IBUF_USE_NONE */
"inserts", /* IBUF_USE_INSERT */
"deletes", /* IBUF_USE_DELETE_MARK */
"changes", /* IBUF_USE_INSERT_DELETE_MARK */
"purges", /* IBUF_USE_DELETE */
"all" /* IBUF_USE_ALL */
};
/** Note we cannot use rec_format_enum because we do not allow
COMPRESSED row format for innodb_default_row_format option. */
enum default_row_format_enum {
DEFAULT_ROW_FORMAT_REDUNDANT = 0,
DEFAULT_ROW_FORMAT_COMPACT = 1,
DEFAULT_ROW_FORMAT_DYNAMIC = 2
};
/** Convert an InnoDB ROW_FORMAT value.
@param[in] row_format row_format from "innodb_default_row_format"
@return converted ROW_FORMAT */
static rec_format_t get_row_format(ulong row_format)
{
switch (row_format) {
case DEFAULT_ROW_FORMAT_REDUNDANT:
return REC_FORMAT_REDUNDANT;
case DEFAULT_ROW_FORMAT_COMPACT:
return REC_FORMAT_COMPACT;
case DEFAULT_ROW_FORMAT_DYNAMIC:
return REC_FORMAT_DYNAMIC;
default:
ut_ad(0);
return REC_FORMAT_COMPACT;
}
}
static ulong innodb_default_row_format;
/* Call back function array defined by MySQL and used to
retrieve FTS results. */
const struct _ft_vft ft_vft_result = {NULL,
innobase_fts_find_ranking,
innobase_fts_close_ranking,
innobase_fts_retrieve_ranking,
NULL};
const struct _ft_vft_ext ft_vft_ext_result = {innobase_fts_get_version,
innobase_fts_flags,
innobase_fts_retrieve_docid,
innobase_fts_count_matches};
#ifdef HAVE_PSI_INTERFACE
/* Keys to register pthread mutexes/cond in the current file with
performance schema */
static mysql_pfs_key_t innobase_share_mutex_key;
static mysql_pfs_key_t commit_cond_mutex_key;
static mysql_pfs_key_t commit_cond_key;
static mysql_pfs_key_t pending_checkpoint_mutex_key;
static PSI_mutex_info all_pthread_mutexes[] = {
{&commit_cond_mutex_key, "commit_cond_mutex", 0},
{&innobase_share_mutex_key, "innobase_share_mutex", 0},
{&pending_checkpoint_mutex_key, "pending_checkpoint_mutex", 0}
};
static PSI_cond_info all_innodb_conds[] = {
{&commit_cond_key, "commit_cond", 0}
};
# ifdef UNIV_PFS_MUTEX
/* all_innodb_mutexes array contains mutexes that are
performance schema instrumented if "UNIV_PFS_MUTEX"
is defined */
static PSI_mutex_info all_innodb_mutexes[] = {
{&autoinc_mutex_key, "autoinc_mutex", 0},
# ifndef PFS_SKIP_BUFFER_MUTEX_RWLOCK
{&buffer_block_mutex_key, "buffer_block_mutex", 0},
# endif /* !PFS_SKIP_BUFFER_MUTEX_RWLOCK */
{&buf_pool_zip_mutex_key, "buf_pool_zip_mutex", 0},
{&buf_pool_LRU_list_mutex_key, "buf_pool_LRU_list_mutex", 0},
{&buf_pool_free_list_mutex_key, "buf_pool_free_list_mutex", 0},
{&buf_pool_zip_free_mutex_key, "buf_pool_zip_free_mutex", 0},
{&buf_pool_zip_hash_mutex_key, "buf_pool_zip_hash_mutex", 0},
{&buf_pool_flush_state_mutex_key, "buf_pool_flush_state_mutex", 0},
{&cache_last_read_mutex_key, "cache_last_read_mutex", 0},
{&dict_foreign_err_mutex_key, "dict_foreign_err_mutex", 0},
{&dict_sys_mutex_key, "dict_sys_mutex", 0},
{&file_format_max_mutex_key, "file_format_max_mutex", 0},
{&fil_system_mutex_key, "fil_system_mutex", 0},
{&flush_list_mutex_key, "flush_list_mutex", 0},
{&fts_bg_threads_mutex_key, "fts_bg_threads_mutex", 0},
{&fts_delete_mutex_key, "fts_delete_mutex", 0},
{&fts_optimize_mutex_key, "fts_optimize_mutex", 0},
{&fts_doc_id_mutex_key, "fts_doc_id_mutex", 0},
{&fts_pll_tokenize_mutex_key, "fts_pll_tokenize_mutex", 0},
{&log_flush_order_mutex_key, "log_flush_order_mutex", 0},
{&hash_table_mutex_key, "hash_table_mutex", 0},
{&ibuf_bitmap_mutex_key, "ibuf_bitmap_mutex", 0},
{&ibuf_mutex_key, "ibuf_mutex", 0},
{&ibuf_pessimistic_insert_mutex_key,
"ibuf_pessimistic_insert_mutex", 0},
# ifndef HAVE_ATOMIC_BUILTINS
{&server_mutex_key, "server_mutex", 0},
# endif /* !HAVE_ATOMIC_BUILTINS */
{&log_bmp_sys_mutex_key, "log_bmp_sys_mutex", 0},
{&log_sys_mutex_key, "log_sys_mutex", 0},
# ifdef UNIV_MEM_DEBUG
{&mem_hash_mutex_key, "mem_hash_mutex", 0},
# endif /* UNIV_MEM_DEBUG */
{&mem_pool_mutex_key, "mem_pool_mutex", 0},
{&mutex_list_mutex_key, "mutex_list_mutex", 0},
{&page_zip_stat_per_index_mutex_key, "page_zip_stat_per_index_mutex", 0},
{&purge_sys_bh_mutex_key, "purge_sys_bh_mutex", 0},
{&recv_sys_mutex_key, "recv_sys_mutex", 0},
{&recv_writer_mutex_key, "recv_writer_mutex", 0},
{&rseg_mutex_key, "rseg_mutex", 0},
# ifdef UNIV_SYNC_DEBUG
{&rw_lock_debug_mutex_key, "rw_lock_debug_mutex", 0},
# endif /* UNIV_SYNC_DEBUG */
{&rw_lock_list_mutex_key, "rw_lock_list_mutex", 0},
{&rw_lock_mutex_key, "rw_lock_mutex", 0},
{&srv_dict_tmpfile_mutex_key, "srv_dict_tmpfile_mutex", 0},
{&srv_innodb_monitor_mutex_key, "srv_innodb_monitor_mutex", 0},
{&srv_misc_tmpfile_mutex_key, "srv_misc_tmpfile_mutex", 0},
{&srv_monitor_file_mutex_key, "srv_monitor_file_mutex", 0},
# ifdef UNIV_SYNC_DEBUG
{&sync_thread_mutex_key, "sync_thread_mutex", 0},
# endif /* UNIV_SYNC_DEBUG */
{&buf_dblwr_mutex_key, "buf_dblwr_mutex", 0},
{&trx_undo_mutex_key, "trx_undo_mutex", 0},
{&srv_sys_mutex_key, "srv_sys_mutex", 0},
{&lock_sys_mutex_key, "lock_mutex", 0},
{&lock_sys_wait_mutex_key, "lock_wait_mutex", 0},
{&trx_mutex_key, "trx_mutex", 0},
{&srv_sys_tasks_mutex_key, "srv_threads_mutex", 0},
/* mutex with os_fast_mutex_ interfaces */
# ifndef PFS_SKIP_EVENT_MUTEX
{&event_os_mutex_key, "event_os_mutex", 0},
# endif /* PFS_SKIP_EVENT_MUTEX */
{&os_mutex_key, "os_mutex", 0},
#ifndef HAVE_ATOMIC_BUILTINS
{&srv_conc_mutex_key, "srv_conc_mutex", 0},
#endif /* !HAVE_ATOMIC_BUILTINS */
#ifndef HAVE_ATOMIC_BUILTINS_64
{&monitor_mutex_key, "monitor_mutex", 0},
#endif /* !HAVE_ATOMIC_BUILTINS_64 */
{&ut_list_mutex_key, "ut_list_mutex", 0},
{&trx_sys_mutex_key, "trx_sys_mutex", 0},
{&zip_pad_mutex_key, "zip_pad_mutex", 0},
};
# endif /* UNIV_PFS_MUTEX */
# ifdef UNIV_PFS_RWLOCK
/* all_innodb_rwlocks array contains rwlocks that are
performance schema instrumented if "UNIV_PFS_RWLOCK"
is defined */
static PSI_rwlock_info all_innodb_rwlocks[] = {
# ifdef UNIV_LOG_ARCHIVE
{&archive_lock_key, "archive_lock", 0},
# endif /* UNIV_LOG_ARCHIVE */
{&btr_search_latch_key, "btr_search_latch", 0},
# ifndef PFS_SKIP_BUFFER_MUTEX_RWLOCK
{&buf_block_lock_key, "buf_block_lock", 0},
# endif /* !PFS_SKIP_BUFFER_MUTEX_RWLOCK */
# ifdef UNIV_SYNC_DEBUG
{&buf_block_debug_latch_key, "buf_block_debug_latch", 0},
# endif /* UNIV_SYNC_DEBUG */
{&dict_operation_lock_key, "dict_operation_lock", 0},
{&fil_space_latch_key, "fil_space_latch", 0},
{&checkpoint_lock_key, "checkpoint_lock", 0},
{&fts_cache_rw_lock_key, "fts_cache_rw_lock", 0},
{&fts_cache_init_rw_lock_key, "fts_cache_init_rw_lock", 0},
{&trx_i_s_cache_lock_key, "trx_i_s_cache_lock", 0},
{&trx_purge_latch_key, "trx_purge_latch", 0},
{&index_tree_rw_lock_key, "index_tree_rw_lock", 0},
{&index_online_log_key, "index_online_log", 0},
{&dict_table_stats_key, "dict_table_stats", 0},
{&hash_table_rw_lock_key, "hash_table_locks", 0}
};
# endif /* UNIV_PFS_RWLOCK */
# ifdef UNIV_PFS_THREAD
/* all_innodb_threads array contains threads that are
performance schema instrumented if "UNIV_PFS_THREAD"
is defined */
static PSI_thread_info all_innodb_threads[] = {
{&trx_rollback_clean_thread_key, "trx_rollback_clean_thread", 0},
{&io_handler_thread_key, "io_handler_thread", 0},
{&srv_lock_timeout_thread_key, "srv_lock_timeout_thread", 0},
{&srv_error_monitor_thread_key, "srv_error_monitor_thread", 0},
{&srv_monitor_thread_key, "srv_monitor_thread", 0},
{&srv_master_thread_key, "srv_master_thread", 0},
{&srv_purge_thread_key, "srv_purge_thread", 0},
{&buf_page_cleaner_thread_key, "page_cleaner_thread", 0},
{&buf_lru_manager_thread_key, "lru_manager_thread", 0},
{&recv_writer_thread_key, "recv_writer_thread", 0},
{&srv_log_tracking_thread_key, "srv_redo_log_follow_thread", 0}
};
# endif /* UNIV_PFS_THREAD */
# ifdef UNIV_PFS_IO
/* all_innodb_files array contains the type of files that are
performance schema instrumented if "UNIV_PFS_IO" is defined */
static PSI_file_info all_innodb_files[] = {
{&innodb_file_data_key, "innodb_data_file", 0},
{&innodb_file_log_key, "innodb_log_file", 0},
{&innodb_file_temp_key, "innodb_temp_file", 0},
{&innodb_file_bmp_key, "innodb_bmp_file", 0}
};
# endif /* UNIV_PFS_IO */
#endif /* HAVE_PSI_INTERFACE */
/** Always normalize table name to lower case on Windows */
#ifdef __WIN__
#define normalize_table_name(norm_name, name) \
normalize_table_name_low(norm_name, name, TRUE)
#else
#define normalize_table_name(norm_name, name) \
normalize_table_name_low(norm_name, name, FALSE)
#endif /* __WIN__ */
/** Set up InnoDB API callback function array */
ib_cb_t innodb_api_cb[] = {
(ib_cb_t) ib_cursor_open_table,
(ib_cb_t) ib_cursor_read_row,
(ib_cb_t) ib_cursor_insert_row,
(ib_cb_t) ib_cursor_delete_row,
(ib_cb_t) ib_cursor_update_row,
(ib_cb_t) ib_cursor_moveto,
(ib_cb_t) ib_cursor_first,
(ib_cb_t) ib_cursor_next,
(ib_cb_t) ib_cursor_last,
(ib_cb_t) ib_cursor_set_match_mode,
(ib_cb_t) ib_sec_search_tuple_create,
(ib_cb_t) ib_clust_read_tuple_create,
(ib_cb_t) ib_tuple_delete,
(ib_cb_t) ib_tuple_copy,
(ib_cb_t) ib_tuple_read_u8,
(ib_cb_t) ib_tuple_write_u8,
(ib_cb_t) ib_tuple_read_u16,
(ib_cb_t) ib_tuple_write_u16,
(ib_cb_t) ib_tuple_read_u32,
(ib_cb_t) ib_tuple_write_u32,
(ib_cb_t) ib_tuple_read_u64,
(ib_cb_t) ib_tuple_write_u64,
(ib_cb_t) ib_tuple_read_i8,
(ib_cb_t) ib_tuple_write_i8,
(ib_cb_t) ib_tuple_read_i16,
(ib_cb_t) ib_tuple_write_i16,
(ib_cb_t) ib_tuple_read_i32,
(ib_cb_t) ib_tuple_write_i32,
(ib_cb_t) ib_tuple_read_i64,
(ib_cb_t) ib_tuple_write_i64,
(ib_cb_t) ib_tuple_get_n_cols,
(ib_cb_t) ib_col_set_value,
(ib_cb_t) ib_col_get_value,
(ib_cb_t) ib_col_get_meta,
(ib_cb_t) ib_trx_begin,
(ib_cb_t) ib_trx_commit,
(ib_cb_t) ib_trx_rollback,
(ib_cb_t) ib_trx_start,
(ib_cb_t) ib_trx_release,
(ib_cb_t) ib_trx_state,
(ib_cb_t) ib_cursor_lock,
(ib_cb_t) ib_cursor_close,
(ib_cb_t) ib_cursor_new_trx,
(ib_cb_t) ib_cursor_reset,
(ib_cb_t) ib_open_table_by_name,
(ib_cb_t) ib_col_get_name,
(ib_cb_t) ib_table_truncate,
(ib_cb_t) ib_cursor_open_index_using_name,
(ib_cb_t) ib_close_thd,
(ib_cb_t) ib_cfg_get_cfg,
(ib_cb_t) ib_cursor_set_memcached_sync,
(ib_cb_t) ib_cursor_set_cluster_access,
(ib_cb_t) ib_cursor_commit_trx,
(ib_cb_t) ib_cfg_trx_level,
(ib_cb_t) ib_tuple_get_n_user_cols,
(ib_cb_t) ib_cursor_set_lock_mode,
(ib_cb_t) ib_cursor_clear_trx,
(ib_cb_t) ib_get_idx_field_name,
(ib_cb_t) ib_trx_get_start_time,
(ib_cb_t) ib_cfg_bk_commit_interval,
(ib_cb_t) ib_cursor_stmt_begin,
(ib_cb_t) ib_trx_read_only
};
static void innodb_remember_check_sysvar_funcs();
mysql_var_check_func check_sysvar_enum;
static MYSQL_THDVAR_UINT(default_encryption_key_id, PLUGIN_VAR_RQCMDARG,
"Default encryption key id used for table encryption.",
NULL, NULL,
FIL_DEFAULT_ENCRYPTION_KEY, 1, UINT_MAX32, 0);
/**
Structure for CREATE TABLE options (table options).
It needs to be called ha_table_option_struct.
The option values can be specified in the CREATE TABLE at the end:
CREATE TABLE ( ... ) *here*
*/
ha_create_table_option innodb_table_option_list[]=
{
/* With this option user can enable page compression feature for the
table */
HA_TOPTION_BOOL("PAGE_COMPRESSED", page_compressed, 0),
/* With this option user can set zip compression level for page
compression for this table*/
HA_TOPTION_NUMBER("PAGE_COMPRESSION_LEVEL", page_compression_level, 0, 1, 9, 1),
/* With this option user can enable atomic writes feature for this table */
HA_TOPTION_ENUM("ATOMIC_WRITES", atomic_writes, "DEFAULT,ON,OFF", 0),
/* With this option the user can enable encryption for the table */
HA_TOPTION_ENUM("ENCRYPTED", encryption, "DEFAULT,YES,NO", 0),
/* With this option the user defines the key identifier using for the encryption */
HA_TOPTION_SYSVAR("ENCRYPTION_KEY_ID", encryption_key_id, default_encryption_key_id),
HA_TOPTION_END
};
/**
Test a file path whether it is same as mysql data directory path.
@param path null terminated character string
@return
@retval TRUE The path is different from mysql data directory.
@retval FALSE The path is same as mysql data directory.
*/
static bool is_mysql_datadir_path(const char *path)
{
if (path == NULL)
return false;
char mysql_data_dir[FN_REFLEN], path_dir[FN_REFLEN];
convert_dirname(path_dir, path, NullS);
convert_dirname(mysql_data_dir, mysql_unpacked_real_data_home, NullS);
size_t mysql_data_home_len= dirname_length(mysql_data_dir);
size_t path_len = dirname_length(path_dir);
if (path_len < mysql_data_home_len)
return true;
if (!lower_case_file_system)
return(memcmp(mysql_data_dir, path_dir, mysql_data_home_len));
return(files_charset_info->coll->strnncoll(files_charset_info,
(uchar *) path_dir, path_len,
(uchar *) mysql_data_dir,
mysql_data_home_len,
TRUE));
}
static int mysql_tmpfile_path(const char *path, const char *prefix)
{
DBUG_ASSERT(path != NULL);
DBUG_ASSERT((strlen(path) + strlen(prefix)) <= FN_REFLEN);
char filename[FN_REFLEN];
File fd = create_temp_file(filename, path, prefix,
#ifdef __WIN__
O_BINARY | O_TRUNC | O_SEQUENTIAL |
O_SHORT_LIVED |
#endif /* __WIN__ */
O_CREAT | O_EXCL | O_RDWR | O_TEMPORARY,
MYF(MY_WME));
if (fd >= 0) {
#ifndef __WIN__
/*
This can be removed once the following bug is fixed:
Bug #28903 create_temp_file() doesn't honor O_TEMPORARY option
(file not removed) (Unix)
*/
unlink(filename);
#endif /* !__WIN__ */
}
return fd;
}
/*************************************************************//**
Check whether valid argument given to innodb_ft_*_stopword_table.
This function is registered as a callback with MySQL.
@return 0 for valid stopword table */
static
int
innodb_stopword_table_validate(
/*===========================*/
THD* thd, /*!< in: thread handle */
struct st_mysql_sys_var* var, /*!< in: pointer to system
variable */
void* save, /*!< out: immediate result
for update function */
struct st_mysql_value* value); /*!< in: incoming string */
/** Validate passed-in "value" is a valid directory name.
This function is registered as a callback with MySQL.
@param[in,out] thd thread handle
@param[in] var pointer to system variable
@param[out] save immediate result for update
@param[in] value incoming string
@return 0 for valid name */
static
int
innodb_tmpdir_validate(
THD* thd,
struct st_mysql_sys_var* var,
void* save,
struct st_mysql_value* value)
{
char* alter_tmp_dir;
char* innodb_tmp_dir;
char buff[OS_FILE_MAX_PATH];
int len = sizeof(buff);
char tmp_abs_path[FN_REFLEN + 2];
ut_ad(save != NULL);
ut_ad(value != NULL);
if (check_global_access(thd, FILE_ACL)) {
push_warning_printf(
thd, Sql_condition::WARN_LEVEL_WARN,
ER_WRONG_ARGUMENTS,
"InnoDB: FILE Permissions required");
*static_cast<const char**>(save) = NULL;
return(1);
}
alter_tmp_dir = (char*) value->val_str(value, buff, &len);
if (!alter_tmp_dir) {
*static_cast<const char**>(save) = alter_tmp_dir;
return(0);
}
if (strlen(alter_tmp_dir) > FN_REFLEN) {
push_warning_printf(
thd, Sql_condition::WARN_LEVEL_WARN,
ER_WRONG_ARGUMENTS,
"Path length should not exceed %d bytes", FN_REFLEN);
*static_cast<const char**>(save) = NULL;
return(1);
}
my_realpath(tmp_abs_path, alter_tmp_dir, 0);
size_t tmp_abs_len = strlen(tmp_abs_path);
if (my_access(tmp_abs_path, F_OK)) {
push_warning_printf(
thd, Sql_condition::WARN_LEVEL_WARN,
ER_WRONG_ARGUMENTS,
"InnoDB: Path doesn't exist.");
*static_cast<const char**>(save) = NULL;
return(1);
} else if (my_access(tmp_abs_path, R_OK | W_OK)) {
push_warning_printf(
thd, Sql_condition::WARN_LEVEL_WARN,
ER_WRONG_ARGUMENTS,
"InnoDB: Server doesn't have permission in "
"the given location.");
*static_cast<const char**>(save) = NULL;
return(1);
}
MY_STAT stat_info_dir;
if (my_stat(tmp_abs_path, &stat_info_dir, MYF(0))) {
if ((stat_info_dir.st_mode & S_IFDIR) != S_IFDIR) {
push_warning_printf(
thd, Sql_condition::WARN_LEVEL_WARN,
ER_WRONG_ARGUMENTS,
"Given path is not a directory. ");
*static_cast<const char**>(save) = NULL;
return(1);
}
}
if (!is_mysql_datadir_path(tmp_abs_path)) {
push_warning_printf(
thd, Sql_condition::WARN_LEVEL_WARN,
ER_WRONG_ARGUMENTS,
"InnoDB: Path Location should not be same as "
"mysql data directory location.");
*static_cast<const char**>(save) = NULL;
return(1);
}
innodb_tmp_dir = static_cast<char*>(
thd_memdup(thd, tmp_abs_path, tmp_abs_len + 1));
*static_cast<const char**>(save) = innodb_tmp_dir;
return(0);
}
/** "GEN_CLUST_INDEX" is the name reserved for InnoDB default
system clustered index when there is no primary key. */
const char innobase_index_reserve_name[] = "GEN_CLUST_INDEX";
/************************************************************//**
Synchronously read and parse the redo log up to the last
checkpoint to write the changed page bitmap.
@return 0 to indicate success. Current implementation cannot fail. */
static
my_bool
innobase_flush_changed_page_bitmaps() __attribute__((unused));
/*==================================*/
/************************************************************//**
Delete all the bitmap files for data less than the specified LSN.
If called with lsn == 0 (i.e. set by RESET request) or
IB_ULONGLONG_MAX, restart the bitmap file sequence, otherwise
continue it.
@return 0 to indicate success, 1 for failure. */
static
my_bool
innobase_purge_changed_page_bitmaps(
/*================================*/
ulonglong lsn) __attribute__((unused)); /*!< in: LSN to purge files up to */
/** Empty free list algorithm.
Checks if buffer pool is big enough to enable backoff algorithm.
InnoDB empty free list algorithm backoff requires free pages
from LRU for the best performance.
buf_LRU_buf_pool_running_out cancels query if 1/4 of
buffer pool belongs to LRU or freelist.
At the same time buf_flush_LRU_list_batch
keeps up to BUF_LRU_MIN_LEN in LRU.
In order to avoid deadlock baclkoff requires buffer pool
to be at least 4*BUF_LRU_MIN_LEN,
but flush peformance is bad because of trashing
and additional BUF_LRU_MIN_LEN pages are requested.
@param[in] algorithm desired algorithm from srv_empty_free_list_t
@return true if it's possible to enable backoff. */
static inline
bool
innodb_empty_free_list_algorithm_allowed(
srv_empty_free_list_t algorithm)
{
long long buf_pool_pages = srv_buf_pool_size / srv_page_size
/ srv_buf_pool_instances;
return(buf_pool_pages >= BUF_LRU_MIN_LEN * (4 + 1)
|| algorithm != SRV_EMPTY_FREE_LIST_BACKOFF);
}
/** Get the list of foreign keys referencing a specified table
table.
@param thd The thread handle
@param path Path to the table
@param f_key_list[out] The list of foreign keys
@return error code or zero for success */
static
int
innobase_get_parent_fk_list(
THD* thd,
const char* path,
List<FOREIGN_KEY_INFO>* f_key_list) __attribute__((unused));
/******************************************************************//**
Maps a MySQL trx isolation level code to the InnoDB isolation level code
@return InnoDB isolation level */
static inline
ulint
innobase_map_isolation_level(
/*=========================*/
enum_tx_isolation iso); /*!< in: MySQL isolation level code */
/* Enable / disable checkpoints */
static int innobase_checkpoint_state(handlerton *hton, bool disable)
{
if (disable)
(void) log_disable_checkpoint();
else
log_enable_checkpoint();
return 0;
}
/*************************************************************//**
Check for a valid value of innobase_compression_algorithm.
@return 0 for valid innodb_compression_algorithm. */
static
int
innodb_compression_algorithm_validate(
/*==================================*/
THD* thd, /*!< in: thread handle */
struct st_mysql_sys_var* var, /*!< in: pointer to system
variable */
void* save, /*!< out: immediate result
for update function */
struct st_mysql_value* value); /*!< in: incoming string */
static
int
innodb_encrypt_tables_validate(
/*==================================*/
THD* thd, /*!< in: thread handle */
struct st_mysql_sys_var* var, /*!< in: pointer to system
variable */