/
ha_mroonga.cpp
17173 lines (15679 loc) · 512 KB
/
ha_mroonga.cpp
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/* -*- c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Copyright(C) 2010 Tetsuro IKEDA
Copyright(C) 2010-2013 Kentoku SHIBA
Copyright(C) 2011-2017 Kouhei Sutou <kou@clear-code.com>
Copyright(C) 2013 Kenji Maruyama <mmmaru777@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "mrn_mysql.h"
#include "mrn_mysql_compat.h"
#ifdef USE_PRAGMA_IMPLEMENTATION
#pragma implementation
#endif
#include <sql_plugin.h>
#include <sql_show.h>
#include <key.h>
#include <tztime.h>
#include <sql_base.h>
#include <sql_select.h>
#include <item_sum.h>
#ifdef MRN_HAVE_BINLOG_H
# include <binlog.h>
#endif
#ifdef MRN_HAVE_SQL_OPTIMIZER_H
# include <sql_optimizer.h>
#endif
#include <ft_global.h>
#include <spatial.h>
#include <mysql.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef WIN32
# include <math.h>
# include <direct.h>
# define MRN_TABLE_SHARE_LOCK_SHARE_PROC "?key_TABLE_SHARE_LOCK_share@@3IA"
# define MRN_TABLE_SHARE_LOCK_HA_DATA_PROC "?key_TABLE_SHARE_LOCK_ha_data@@3IA"
# ifdef _WIN64
# define MRN_BINLOG_FILTER_PROC "?binlog_filter@@3PEAVRpl_filter@@EA"
# define MRN_MY_TZ_UTC_PROC "?my_tz_UTC@@3PEAVTime_zone@@EA"
# else
# define MRN_BINLOG_FILTER_PROC "?binlog_filter@@3PAVRpl_filter@@A"
# define MRN_MY_TZ_UTC_PROC "?my_tz_UTC@@3PAVTime_zone@@A"
# endif
#else
# include <dirent.h>
# include <unistd.h>
#endif
#include "mrn_err.h"
#include "mrn_table.hpp"
#include <groonga/plugin.h>
#include "ha_mroonga.hpp"
#include <mrn_path_mapper.hpp>
#include <mrn_index_table_name.hpp>
#include <mrn_index_column_name.hpp>
#include <mrn_debug_column_access.hpp>
#include <mrn_auto_increment_value_lock.hpp>
#include <mrn_external_lock.hpp>
#include <mrn_match_escalation_threshold_scope.hpp>
#include <mrn_multiple_column_key_codec.hpp>
#include <mrn_field_normalizer.hpp>
#include <mrn_encoding.hpp>
#include <mrn_parameters_parser.hpp>
#include <mrn_lock.hpp>
#include <mrn_condition_converter.hpp>
#include <mrn_time_converter.hpp>
#include <mrn_smart_grn_obj.hpp>
#include <mrn_database_manager.hpp>
#include <mrn_context_pool.hpp>
#include <mrn_grn.hpp>
#include <mrn_value_decoder.hpp>
#include <mrn_database_repairer.hpp>
#include <mrn_operation.hpp>
#include <mrn_column_name.hpp>
#include <mrn_count_skip_checker.hpp>
#include <mrn_variables.hpp>
#include <mrn_query_parser.hpp>
#include <mrn_smart_bitmap.hpp>
#include <mrn_table_fields_offset_mover.hpp>
#ifdef MRN_SUPPORT_FOREIGN_KEYS
# include <sql_table.h>
#endif
#ifdef MRN_SUPPORT_CUSTOM_OPTIONS
# include <create_options.h>
#endif
// for debug
#define MRN_CLASS_NAME "ha_mroonga"
#define MRN_SHORT_TEXT_SIZE (1 << 12) // 4Kbytes
#define MRN_TEXT_SIZE (1 << 16) // 64Kbytes
#define MRN_LONG_TEXT_SIZE (1 << 31) // 2Gbytes
#ifdef MRN_HAVE_TDC_LOCK_TABLE_SHARE
# ifdef MRN_TABLE_SHARE_TDC_IS_POINTER
# define mrn_open_mutex(share) &((share)->tdc->LOCK_table_share)
# else
# define mrn_open_mutex(share) &((share)->tdc.LOCK_table_share)
# endif
# define mrn_open_mutex_lock(share) do { \
TABLE_SHARE *share_ = share; \
if (share_ && share_->tmp_table == NO_TMP_TABLE) { \
mysql_mutex_lock(mrn_open_mutex(share_)); \
} \
} while (0)
# define mrn_open_mutex_unlock(share) do { \
TABLE_SHARE *share_ = share; \
if (share_ && share_->tmp_table == NO_TMP_TABLE) { \
mysql_mutex_unlock(mrn_open_mutex(share_)); \
} \
} while (0)
#else
# ifdef DBUG_OFF
# ifndef _WIN32
extern mysql_mutex_t LOCK_open;
# endif
# endif
static mysql_mutex_t *mrn_LOCK_open;
# define mrn_open_mutex_lock(share) mysql_mutex_lock(mrn_LOCK_open)
# define mrn_open_mutex_unlock(share) mysql_mutex_unlock(mrn_LOCK_open)
#endif
#if MYSQL_VERSION_ID >= 50600
# define MRN_NEED_M_LOCK_TYPE_CHECK_FOR_WRAPPER_EXTERNAL_LOCK
#endif
#ifdef MRN_MARIADB_P
# if MYSQL_VERSION_ID >= 100200
# define MRN_ORDER_IS_ASC(order) ((order)->direction == ORDER::ORDER_ASC)
# else
# define MRN_ORDER_IS_ASC(order) ((order)->asc)
# endif
#else
# if MYSQL_VERSION_ID >= 50603
# define MRN_ORDER_IS_ASC(order) ((order)->direction == ORDER::ORDER_ASC)
# else
# define MRN_ORDER_IS_ASC(order) ((order)->asc)
# endif
#endif
#define MRN_STRINGIFY(macro_or_string) MRN_STRINGIFY_ARG(macro_or_string)
#define MRN_STRINGIFY_ARG(contents) #contents
#define MRN_PLUGIN_NAME mroonga
#define MRN_PLUGIN_NAME_STRING "Mroonga"
#define MRN_STATUS_VARIABLE_NAME_PREFIX_STRING "Mroonga"
#ifdef MRN_MARIADB_P
# define st_mysql_plugin st_maria_plugin
# define mrn_declare_plugin(NAME) maria_declare_plugin(NAME)
# define mrn_declare_plugin_end maria_declare_plugin_end
# define MRN_PLUGIN_LAST_VALUES MRN_VERSION, MariaDB_PLUGIN_MATURITY_STABLE
#else
# define mrn_declare_plugin(NAME) mysql_declare_plugin(NAME)
# define mrn_declare_plugin_end mysql_declare_plugin_end
# define MRN_PLUGIN_LAST_VALUES NULL, 0
#endif
#if MYSQL_VERSION_ID >= 100007 && defined(MRN_MARIADB_P)
# define MRN_THD_GET_AUTOINC(thd, off, inc) thd_get_autoinc(thd, off, inc)
# define MRN_GET_ERR_MSG(code) my_get_err_msg(code)
#else
# define MRN_THD_GET_AUTOINC(thd, off, inc) \
{ \
*(off) = thd->variables.auto_increment_offset; \
*(inc) = thd->variables.auto_increment_increment; \
}
# define MRN_GET_ERR_MSG(code) ER(code)
#endif
#if MYSQL_VERSION_ID >= 50706 && !defined(MRN_MARIADB_P)
# define MRN_LEX_GET_TABLE_LIST(lex) (lex)->select_lex->table_list.first
#else
# define MRN_LEX_GET_TABLE_LIST(lex) (lex)->select_lex.table_list.first
#endif
#if MYSQL_VERSION_ID >= 50706 && !defined(MRN_MARIADB_P)
# define MRN_KEYTYPE_FOREIGN KEYTYPE_FOREIGN
#else
# define MRN_KEYTYPE_FOREIGN Key::FOREIGN_KEY
#endif
#if MYSQL_VERSION_ID >= 50706 && !defined(MRN_MARIADB_P)
# define mrn_calculate_key_len(table, key_index, buffer, keypart_map) \
calculate_key_len(table, key_index, keypart_map)
#else
# define mrn_calculate_key_len(table, key_index, buffer, keypart_map) \
calculate_key_len(table, key_index, buffer, keypart_map)
#endif
#if MYSQL_VERSION_ID >= 50706 && !defined(MRN_MARIADB_P)
# define MRN_TABLE_LIST_GET_DERIVED(table_list) NULL
#else
# define MRN_TABLE_LIST_GET_DERIVED(table_list) (table_list)->derived
#endif
#if MYSQL_VERSION_ID >= 50706 && !defined(MRN_MARIADB_P)
# define MRN_GEOMETRY_FREE(geometry)
#else
# define MRN_GEOMETRY_FREE(geometry) delete (geometry)
#endif
Rpl_filter *mrn_binlog_filter;
Time_zone *mrn_my_tz_UTC;
#ifdef MRN_HAVE_TABLE_DEF_CACHE
HASH *mrn_table_def_cache;
#endif
#ifdef MRN_HAVE_PSI_MEMORY_KEY
PSI_memory_key mrn_memory_key;
static PSI_memory_info mrn_all_memory_keys[]=
{
{&mrn_memory_key, "Mroonga", 0}
};
#endif
static const char *INDEX_COLUMN_NAME = "index";
static const char *MRN_PLUGIN_AUTHOR = "The Mroonga project";
#ifdef __cplusplus
extern "C" {
#endif
#ifdef HAVE_PSI_INTERFACE
# ifdef WIN32
# ifdef MRN_TABLE_SHARE_HAVE_LOCK_SHARE
PSI_mutex_key *mrn_table_share_lock_share;
# endif
PSI_mutex_key *mrn_table_share_lock_ha_data;
# endif
static PSI_mutex_key mrn_open_tables_mutex_key;
static PSI_mutex_key mrn_long_term_share_mutex_key;
static PSI_mutex_key mrn_allocated_thds_mutex_key;
PSI_mutex_key mrn_share_mutex_key;
PSI_mutex_key mrn_long_term_share_auto_inc_mutex_key;
static PSI_mutex_key mrn_log_mutex_key;
static PSI_mutex_key mrn_query_log_mutex_key;
static PSI_mutex_key mrn_db_manager_mutex_key;
static PSI_mutex_key mrn_context_pool_mutex_key;
static PSI_mutex_key mrn_operations_mutex_key;
# if (!defined(MRN_MARIADB_P) && MYSQL_VERSION_ID >= 80002)
# define MRN_MUTEXT_INFO_ENTRY(key, name, flags, volatility) \
{key, name, flags, volatility}
# else
# define MRN_MUTEXT_INFO_ENTRY(key, name, flags, volatility) \
{key, name, flags}
# endif
static PSI_mutex_info mrn_mutexes[] =
{
MRN_MUTEXT_INFO_ENTRY(&mrn_open_tables_mutex_key,
"mrn::open_tables", PSI_FLAG_GLOBAL, 0),
MRN_MUTEXT_INFO_ENTRY(&mrn_long_term_share_mutex_key,
"mrn::long_term_share", PSI_FLAG_GLOBAL, 0),
MRN_MUTEXT_INFO_ENTRY(&mrn_allocated_thds_mutex_key,
"mrn::allocated_thds", PSI_FLAG_GLOBAL, 0),
MRN_MUTEXT_INFO_ENTRY(&mrn_share_mutex_key,
"mrn::share", 0, 0),
MRN_MUTEXT_INFO_ENTRY(&mrn_long_term_share_auto_inc_mutex_key,
"mrn::long_term_share::auto_inc", 0, 0),
MRN_MUTEXT_INFO_ENTRY(&mrn_log_mutex_key,
"mrn::log", PSI_FLAG_GLOBAL, 0),
MRN_MUTEXT_INFO_ENTRY(&mrn_query_log_mutex_key,
"mrn::query_log", PSI_FLAG_GLOBAL, 0),
MRN_MUTEXT_INFO_ENTRY(&mrn_db_manager_mutex_key,
"mrn::DatabaseManager", PSI_FLAG_GLOBAL, 0),
MRN_MUTEXT_INFO_ENTRY(&mrn_context_pool_mutex_key,
"mrn::ContextPool", PSI_FLAG_GLOBAL, 0),
MRN_MUTEXT_INFO_ENTRY(&mrn_operations_mutex_key,
"mrn::Operations", PSI_FLAG_GLOBAL, 0)
};
#endif
/* global variables */
handlerton *mrn_hton_ptr;
HASH mrn_open_tables;
mysql_mutex_t mrn_open_tables_mutex;
HASH mrn_long_term_share;
mysql_mutex_t mrn_long_term_share_mutex;
HASH mrn_allocated_thds;
mysql_mutex_t mrn_allocated_thds_mutex;
/* internal variables */
static grn_ctx mrn_ctx;
static mysql_mutex_t mrn_log_mutex;
static mysql_mutex_t mrn_query_log_mutex;
static grn_obj *mrn_db;
static grn_ctx mrn_db_manager_ctx;
static mysql_mutex_t mrn_db_manager_mutex;
mrn::DatabaseManager *mrn_db_manager = NULL;
static mysql_mutex_t mrn_context_pool_mutex;
mrn::ContextPool *mrn_context_pool = NULL;
static mysql_mutex_t mrn_operations_mutex;
#ifdef WIN32
static inline double round(double x)
{
return (floor(x + 0.5));
}
#endif
static void mrn_init_encoding_map()
{
mrn::encoding::init();
}
static int mrn_change_encoding(grn_ctx *ctx, const CHARSET_INFO *charset)
{
return mrn::encoding::set(ctx, charset);
}
#if !defined(DBUG_OFF) && !defined(_lint)
static const char *mrn_inspect_thr_lock_type(enum thr_lock_type lock_type)
{
const char *inspected = "<unknown>";
switch (lock_type) {
case TL_IGNORE:
inspected = "TL_IGNORE";
break;
case TL_UNLOCK:
inspected = "TL_UNLOCK";
break;
case TL_READ_DEFAULT:
inspected = "TL_READ_DEFAULT";
break;
case TL_READ:
inspected = "TL_READ";
break;
case TL_READ_WITH_SHARED_LOCKS:
inspected = "TL_READ_WITH_SHARED_LOCKS";
break;
case TL_READ_HIGH_PRIORITY:
inspected = "TL_READ_HIGH_PRIORITY";
break;
case TL_READ_NO_INSERT:
inspected = "TL_READ_NO_INSERT";
break;
case TL_WRITE_ALLOW_WRITE:
inspected = "TL_WRITE_ALLOW_WRITE";
break;
#ifdef MRN_HAVE_TL_WRITE_CONCURRENT_DEFAULT
case TL_WRITE_CONCURRENT_DEFAULT:
inspected = "TL_WRITE_CONCURRENT_DEFAULT";
break;
#endif
case TL_WRITE_CONCURRENT_INSERT:
inspected = "TL_WRITE_CONCURRENT_INSERT";
break;
#ifdef MRN_HAVE_TL_WRITE_DELAYED
case TL_WRITE_DELAYED:
inspected = "TL_WRITE_DELAYED";
break;
#endif
case TL_WRITE_DEFAULT:
inspected = "TL_WRITE_DEFAULT";
break;
case TL_WRITE_LOW_PRIORITY:
inspected = "TL_WRITE_LOW_PRIORITY";
break;
case TL_WRITE:
inspected = "TL_WRITE";
break;
case TL_WRITE_ONLY:
inspected = "TL_WRITE_ONLY";
break;
}
return inspected;
}
static const char *mrn_inspect_extra_function(enum ha_extra_function operation)
{
const char *inspected = "<unknown>";
switch (operation) {
case HA_EXTRA_NORMAL:
inspected = "HA_EXTRA_NORMAL";
break;
case HA_EXTRA_QUICK:
inspected = "HA_EXTRA_QUICK";
break;
case HA_EXTRA_NOT_USED:
inspected = "HA_EXTRA_NOT_USED";
break;
case HA_EXTRA_CACHE:
inspected = "HA_EXTRA_CACHE";
break;
case HA_EXTRA_NO_CACHE:
inspected = "HA_EXTRA_NO_CACHE";
break;
case HA_EXTRA_NO_READCHECK:
inspected = "HA_EXTRA_NO_READCHECK";
break;
case HA_EXTRA_READCHECK:
inspected = "HA_EXTRA_READCHECK";
break;
case HA_EXTRA_KEYREAD:
inspected = "HA_EXTRA_KEYREAD";
break;
case HA_EXTRA_NO_KEYREAD:
inspected = "HA_EXTRA_NO_KEYREAD";
break;
case HA_EXTRA_NO_USER_CHANGE:
inspected = "HA_EXTRA_NO_USER_CHANGE";
break;
case HA_EXTRA_KEY_CACHE:
inspected = "HA_EXTRA_KEY_CACHE";
break;
case HA_EXTRA_NO_KEY_CACHE:
inspected = "HA_EXTRA_NO_KEY_CACHE";
break;
case HA_EXTRA_WAIT_LOCK:
inspected = "HA_EXTRA_WAIT_LOCK";
break;
case HA_EXTRA_NO_WAIT_LOCK:
inspected = "HA_EXTRA_NO_WAIT_LOCK";
break;
case HA_EXTRA_WRITE_CACHE:
inspected = "HA_EXTRA_WRITE_CACHE";
break;
case HA_EXTRA_FLUSH_CACHE:
inspected = "HA_EXTRA_FLUSH_CACHE";
break;
case HA_EXTRA_NO_KEYS:
inspected = "HA_EXTRA_NO_KEYS";
break;
case HA_EXTRA_KEYREAD_CHANGE_POS:
inspected = "HA_EXTRA_KEYREAD_CHANGE_POS";
break;
case HA_EXTRA_REMEMBER_POS:
inspected = "HA_EXTRA_REMEMBER_POS";
break;
case HA_EXTRA_RESTORE_POS:
inspected = "HA_EXTRA_RESTORE_POS";
break;
case HA_EXTRA_REINIT_CACHE:
inspected = "HA_EXTRA_REINIT_CACHE";
break;
case HA_EXTRA_FORCE_REOPEN:
inspected = "HA_EXTRA_FORCE_REOPEN";
break;
case HA_EXTRA_FLUSH:
inspected = "HA_EXTRA_FLUSH";
break;
case HA_EXTRA_NO_ROWS:
inspected = "HA_EXTRA_NO_ROWS";
break;
case HA_EXTRA_RESET_STATE:
inspected = "HA_EXTRA_RESET_STATE";
break;
case HA_EXTRA_IGNORE_DUP_KEY:
inspected = "HA_EXTRA_IGNORE_DUP_KEY";
break;
case HA_EXTRA_NO_IGNORE_DUP_KEY:
inspected = "HA_EXTRA_NO_IGNORE_DUP_KEY";
break;
case HA_EXTRA_PREPARE_FOR_DROP:
inspected = "HA_EXTRA_PREPARE_FOR_DROP";
break;
case HA_EXTRA_PREPARE_FOR_UPDATE:
inspected = "HA_EXTRA_PREPARE_FOR_UPDATE";
break;
case HA_EXTRA_PRELOAD_BUFFER_SIZE:
inspected = "HA_EXTRA_PRELOAD_BUFFER_SIZE";
break;
case HA_EXTRA_CHANGE_KEY_TO_UNIQUE:
inspected = "HA_EXTRA_CHANGE_KEY_TO_UNIQUE";
break;
case HA_EXTRA_CHANGE_KEY_TO_DUP:
inspected = "HA_EXTRA_CHANGE_KEY_TO_DUP";
break;
case HA_EXTRA_KEYREAD_PRESERVE_FIELDS:
inspected = "HA_EXTRA_KEYREAD_PRESERVE_FIELDS";
break;
case HA_EXTRA_MMAP:
inspected = "HA_EXTRA_MMAP";
break;
case HA_EXTRA_IGNORE_NO_KEY:
inspected = "HA_EXTRA_IGNORE_NO_KEY";
break;
case HA_EXTRA_NO_IGNORE_NO_KEY:
inspected = "HA_EXTRA_NO_IGNORE_NO_KEY";
break;
case HA_EXTRA_MARK_AS_LOG_TABLE:
inspected = "HA_EXTRA_MARK_AS_LOG_TABLE";
break;
case HA_EXTRA_WRITE_CAN_REPLACE:
inspected = "HA_EXTRA_WRITE_CAN_REPLACE";
break;
case HA_EXTRA_WRITE_CANNOT_REPLACE:
inspected = "HA_EXTRA_WRITE_CANNOT_REPLACE";
break;
case HA_EXTRA_DELETE_CANNOT_BATCH:
inspected = "HA_EXTRA_DELETE_CANNOT_BATCH";
break;
case HA_EXTRA_UPDATE_CANNOT_BATCH:
inspected = "HA_EXTRA_UPDATE_CANNOT_BATCH";
break;
case HA_EXTRA_INSERT_WITH_UPDATE:
inspected = "HA_EXTRA_INSERT_WITH_UPDATE";
break;
case HA_EXTRA_PREPARE_FOR_RENAME:
inspected = "HA_EXTRA_PREPARE_FOR_RENAME";
break;
case HA_EXTRA_ADD_CHILDREN_LIST:
inspected = "HA_EXTRA_ADD_CHILDREN_LIST";
break;
case HA_EXTRA_ATTACH_CHILDREN:
inspected = "HA_EXTRA_ATTACH_CHILDREN";
break;
case HA_EXTRA_IS_ATTACHED_CHILDREN:
inspected = "HA_EXTRA_IS_ATTACHED_CHILDREN";
break;
case HA_EXTRA_DETACH_CHILDREN:
inspected = "HA_EXTRA_DETACH_CHILDREN";
break;
case HA_EXTRA_BEGIN_ALTER_COPY:
inspected = "HA_EXTRA_BEGIN_ALTER_COPY";
break;
case HA_EXTRA_END_ALTER_COPY:
inspected = "HA_EXTRA_END_ALTER_COPY";
break;
case HA_EXTRA_FAKE_START_STMT:
inspected = "HA_EXTRA_FAKE_START_STMT";
break;
#ifdef MRN_HAVE_HA_EXTRA_EXPORT
case HA_EXTRA_EXPORT:
inspected = "HA_EXTRA_EXPORT";
break;
#endif
#ifdef MRN_HAVE_HA_EXTRA_SECONDARY_SORT_ROWID
case HA_EXTRA_SECONDARY_SORT_ROWID:
inspected = "HA_EXTRA_SECONDARY_SORT_ROWID";
break;
#endif
#ifdef MRN_HAVE_HA_EXTRA_DETACH_CHILD
case HA_EXTRA_DETACH_CHILD:
inspected = "HA_EXTRA_DETACH_CHILD";
break;
#endif
#ifdef MRN_HAVE_HA_EXTRA_PREPARE_FOR_FORCED_CLOSE
case HA_EXTRA_PREPARE_FOR_FORCED_CLOSE:
inspected = "HA_EXTRA_PREPARE_FOR_FORCED_CLOSE";
break;
#endif
#ifdef MRN_HAVE_HA_EXTRA_SKIP_SERIALIZABLE_DD_VIEW
case HA_EXTRA_SKIP_SERIALIZABLE_DD_VIEW:
inspected = "HA_EXTRA_SKIP_SERIALIZABLE_DD_VIEW";
break;
#endif
#ifdef MRN_HAVE_HA_EXTRA_BEGIN_ALTER_COPY
case HA_EXTRA_BEGIN_ALTER_COPY:
inspected = "HA_EXTRA_BEGIN_ALTER_COPY";
break;
#endif
#ifdef MRN_HAVE_HA_EXTRA_END_ALTER_COPY
case HA_EXTRA_END_ALTER_COPY:
inspected = "HA_EXTRA_END_ALTER_COPY";
break;
#endif
#ifdef MRN_HAVE_HA_EXTRA_NO_AUTOINC_LOCKING
case HA_EXTRA_NO_AUTOINC_LOCKING:
inspected = "HA_EXTRA_NO_AUTOINC_LOCKING";
break;
#endif
}
return inspected;
}
#endif
static uchar *mrn_open_tables_get_key(const uchar *record,
size_t *length,
my_bool not_used __attribute__ ((unused)))
{
MRN_DBUG_ENTER_FUNCTION();
MRN_SHARE *share = reinterpret_cast<MRN_SHARE *>(const_cast<uchar *>(record));
*length = share->table_name_length;
DBUG_RETURN(reinterpret_cast<uchar *>(share->table_name));
}
static uchar *mrn_long_term_share_get_key(const uchar *record,
size_t *length,
my_bool not_used __attribute__ ((unused)))
{
MRN_DBUG_ENTER_FUNCTION();
MRN_LONG_TERM_SHARE *long_term_share =
reinterpret_cast<MRN_LONG_TERM_SHARE *>(const_cast<uchar *>(record));
*length = long_term_share->table_name_length;
DBUG_RETURN(reinterpret_cast<uchar *>(long_term_share->table_name));
}
/* status */
static long mrn_count_skip = 0;
static long mrn_fast_order_limit = 0;
/* logging */
static char *mrn_log_file_path = NULL;
static FILE *mrn_log_file = NULL;
static bool mrn_log_file_opened = false;
static grn_log_level mrn_log_level_default = GRN_LOG_DEFAULT_LEVEL;
static ulong mrn_log_level = mrn_log_level_default;
static char *mrn_query_log_file_path = NULL;
char *mrn_default_tokenizer = NULL;
char *mrn_default_wrapper_engine = NULL;
static int mrn_lock_timeout = grn_get_lock_timeout();
static char *mrn_libgroonga_version = const_cast<char *>(grn_get_version());
static char *mrn_version = const_cast<char *>(MRN_VERSION);
static char *mrn_vector_column_delimiter = NULL;
static mrn_bool mrn_libgroonga_support_zlib = false;
static mrn_bool mrn_libgroonga_support_lz4 = false;
static mrn_bool mrn_libgroonga_support_zstd = false;
static mrn_bool mrn_enable_operations_recording = true;
#ifdef MRN_SUPPORT_THDVAR_SET
static const char *mrn_boolean_mode_sytnax_flag_names[] = {
"DEFAULT",
"SYNTAX_QUERY",
"SYNTAX_SCRIPT",
"ALLOW_COLUMN",
"ALLOW_UPDATE",
"ALLOW_LEADING_NOT",
NullS
};
static TYPELIB mrn_boolean_mode_syntax_flags_typelib = {
array_elements(mrn_boolean_mode_sytnax_flag_names) - 1,
"",
mrn_boolean_mode_sytnax_flag_names,
NULL
};
#endif
#ifdef MRN_GROONGA_EMBEDDED
static mrn_bool mrn_libgroonga_embedded = true;
#else
static mrn_bool mrn_libgroonga_embedded = false;
#endif
static mrn::variables::ActionOnError mrn_action_on_fulltext_query_error_default =
mrn::variables::ACTION_ON_ERROR_ERROR_AND_LOG;
static void mrn_logger_log(grn_ctx *ctx, grn_log_level level,
const char *timestamp, const char *title,
const char *message, const char *location,
void *user_data)
{
const char level_marks[] = " EACewnid-";
if (mrn_log_file_opened) {
mrn::Lock lock(&mrn_log_mutex);
fprintf(mrn_log_file,
"%s|%c|%08x|%s\n",
timestamp,
level_marks[level],
static_cast<uint>((ulong)(pthread_self())),
message);
fflush(mrn_log_file);
}
}
static grn_logger mrn_logger = {
mrn_log_level_default,
GRN_LOG_TIME|GRN_LOG_MESSAGE,
NULL,
mrn_logger_log,
NULL,
NULL
};
static uchar *mrn_allocated_thds_get_key(const uchar *record,
size_t *length,
my_bool not_used __attribute__ ((unused)))
{
MRN_DBUG_ENTER_FUNCTION();
*length = sizeof(THD *);
DBUG_RETURN(const_cast<uchar *>(record));
}
/* system functions */
static struct st_mysql_storage_engine storage_engine_structure =
{ MYSQL_HANDLERTON_INTERFACE_VERSION };
#if MYSQL_VERSION_ID >= 50706 && !defined(MRN_MARIADB_P)
# define MRN_STATUS_VARIABLE_ENTRY(name, value, type, scope) \
{name, value, type, scope}
#else
# define MRN_STATUS_VARIABLE_ENTRY(name, value, type, scope) \
{name, value, type}
#endif
static struct st_mysql_show_var mrn_status_variables[] =
{
MRN_STATUS_VARIABLE_ENTRY(MRN_STATUS_VARIABLE_NAME_PREFIX_STRING "_count_skip",
(char *)&mrn_count_skip,
SHOW_LONG,
SHOW_SCOPE_GLOBAL),
MRN_STATUS_VARIABLE_ENTRY(MRN_STATUS_VARIABLE_NAME_PREFIX_STRING "_fast_order_limit",
(char *)&mrn_fast_order_limit,
SHOW_LONG,
SHOW_SCOPE_GLOBAL),
MRN_STATUS_VARIABLE_ENTRY(NullS, NullS, SHOW_LONG, SHOW_SCOPE_GLOBAL)
};
static const char *mrn_log_level_type_names[] = {
"NONE",
"EMERG",
"ALERT",
"CRIT",
"ERROR",
"WARNING",
"NOTICE",
"INFO",
"DEBUG",
"DUMP",
NullS
};
static TYPELIB mrn_log_level_typelib = {
array_elements(mrn_log_level_type_names) - 1,
"mrn_log_level_typelib",
mrn_log_level_type_names,
NULL
};
static void mrn_log_level_update(THD *thd, struct st_mysql_sys_var *var,
void *var_ptr, const void *save)
{
MRN_DBUG_ENTER_FUNCTION();
ulong new_value = *static_cast<const ulong *>(save);
ulong old_value = mrn_log_level;
mrn_log_level = new_value;
mrn_logger.max_level = static_cast<grn_log_level>(mrn_log_level);
grn_logger_set(&mrn_ctx, &mrn_logger);
grn_ctx *ctx = grn_ctx_open(0);
mrn_change_encoding(ctx, system_charset_info);
GRN_LOG(ctx, GRN_LOG_NOTICE, "log level changed from '%s' to '%s'",
mrn_log_level_type_names[old_value],
mrn_log_level_type_names[new_value]);
grn_ctx_fin(ctx);
DBUG_VOID_RETURN;
}
static MYSQL_SYSVAR_ENUM(log_level, mrn_log_level,
PLUGIN_VAR_RQCMDARG,
"logging level",
NULL,
mrn_log_level_update,
static_cast<ulong>(mrn_log_level),
&mrn_log_level_typelib);
static void mrn_log_file_update(THD *thd, struct st_mysql_sys_var *var,
void *var_ptr, const void *save)
{
MRN_DBUG_ENTER_FUNCTION();
const char *new_value = *((const char **)save);
char **old_value_ptr = (char **)var_ptr;
grn_ctx *ctx = &mrn_ctx;
mrn_change_encoding(ctx, system_charset_info);
const char *new_log_file_name;
new_log_file_name = *old_value_ptr;
if (strcmp(*old_value_ptr, new_value) == 0) {
GRN_LOG(ctx, GRN_LOG_NOTICE,
"log file isn't changed "
"because the requested path isn't different: <%s>",
new_value);
} else {
GRN_LOG(ctx, GRN_LOG_NOTICE,
"log file is changed: <%s> -> <%s>",
*old_value_ptr, new_value);
int log_file_open_errno = 0;
{
mrn::Lock lock(&mrn_log_mutex);
FILE *new_log_file;
new_log_file = fopen(new_value, "a");
if (new_log_file) {
if (mrn_log_file_opened) {
fclose(mrn_log_file);
}
mrn_log_file = new_log_file;
mrn_log_file_opened = true;
} else {
log_file_open_errno = errno;
}
}
if (log_file_open_errno == 0) {
GRN_LOG(ctx, GRN_LOG_NOTICE,
"log file is changed: <%s> -> <%s>",
*old_value_ptr, new_value);
new_log_file_name = new_value;
} else {
if (mrn_log_file) {
GRN_LOG(ctx, GRN_LOG_ERROR,
"log file isn't changed "
"because the requested path can't be opened: <%s>: <%s>",
new_value, strerror(log_file_open_errno));
} else {
GRN_LOG(ctx, GRN_LOG_ERROR,
"log file can't be opened: <%s>: <%s>",
new_value, strerror(log_file_open_errno));
}
}
}
#ifdef MRN_NEED_FREE_STRING_MEMALLOC_PLUGIN_VAR
char *old_log_file_name = *old_value_ptr;
*old_value_ptr = mrn_my_strdup(new_log_file_name, MYF(MY_WME));
my_free(old_log_file_name);
#else
*old_value_ptr = mrn_my_strdup(new_log_file_name, MYF(MY_WME));
#endif
DBUG_VOID_RETURN;
}
static MYSQL_SYSVAR_STR(log_file, mrn_log_file_path,
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_MEMALLOC,
"log file for " MRN_PLUGIN_NAME_STRING,
NULL,
mrn_log_file_update,
MRN_LOG_FILE_PATH);
static void mrn_query_log_file_update(THD *thd, struct st_mysql_sys_var *var,
void *var_ptr, const void *save)
{
MRN_DBUG_ENTER_FUNCTION();
const char *new_value = *((const char **)save);
char **old_value_ptr = (char **)var_ptr;
const char *normalized_new_value = NULL;
grn_ctx *ctx = &mrn_ctx;
mrn_change_encoding(ctx, system_charset_info);
const char *new_query_log_file_name;
new_query_log_file_name = *old_value_ptr;
bool need_update = false;
if (!*old_value_ptr) {
if (new_value && new_value[0] != '\0') {
GRN_LOG(ctx, GRN_LOG_NOTICE,
"query log is enabled: <%s>",
new_value);
need_update = true;
normalized_new_value = new_value;
} else {
GRN_LOG(ctx, GRN_LOG_NOTICE,
"query log file is still disabled");
}
} else {
if (!new_value || new_value[0] == '\0') {
GRN_LOG(ctx, GRN_LOG_NOTICE,
"query log file is disabled: <%s>",
*old_value_ptr);
need_update = true;
normalized_new_value = NULL;
} else if (strcmp(*old_value_ptr, new_value) == 0) {
GRN_LOG(ctx, GRN_LOG_NOTICE,
"query log file isn't changed "
"because the requested path isn't different: <%s>",
new_value);
} else {
GRN_LOG(ctx, GRN_LOG_NOTICE,
"query log file is changed: <%s> -> <%s>",
*old_value_ptr, new_value);
need_update = true;
normalized_new_value = new_value;
}
}
if (need_update) {
{ // TODO: Remove me when Groonga 7.0.5 is released.
mrn::Lock lock(&mrn_query_log_mutex);
grn_default_query_logger_set_path(normalized_new_value);
}
grn_query_logger_reopen(ctx);
new_query_log_file_name = normalized_new_value;
}
#ifdef MRN_NEED_FREE_STRING_MEMALLOC_PLUGIN_VAR
char *old_query_log_file_name = *old_value_ptr;
#endif
if (new_query_log_file_name) {
*old_value_ptr = mrn_my_strdup(new_query_log_file_name, MYF(0));
} else {
*old_value_ptr = NULL;
}
#ifdef MRN_NEED_FREE_STRING_MEMALLOC_PLUGIN_VAR
my_free(old_query_log_file_name);
#endif
DBUG_VOID_RETURN;
}
static MYSQL_SYSVAR_STR(query_log_file, mrn_query_log_file_path,
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_MEMALLOC,
"query log file for " MRN_PLUGIN_NAME_STRING,
NULL,
mrn_query_log_file_update,
NULL);
static void mrn_default_tokenizer_update(THD *thd, struct st_mysql_sys_var *var,
void *var_ptr, const void *save)
{
MRN_DBUG_ENTER_FUNCTION();
const char *new_value = *((const char **)save);
char **old_value_ptr = (char **)var_ptr;
grn_ctx *ctx = &mrn_ctx;
mrn_change_encoding(ctx, system_charset_info);
if (strcmp(*old_value_ptr, new_value) == 0) {
GRN_LOG(ctx, GRN_LOG_NOTICE,
"default tokenizer for fulltext index isn't changed "
"because the requested default tokenizer isn't different: <%s>",
new_value);
} else {
GRN_LOG(ctx, GRN_LOG_NOTICE,
"default tokenizer for fulltext index is changed: <%s> -> <%s>",
*old_value_ptr, new_value);
}
#ifdef MRN_NEED_FREE_STRING_MEMALLOC_PLUGIN_VAR
my_free(*old_value_ptr);
*old_value_ptr = mrn_my_strdup(new_value, MYF(MY_WME));
#else
*old_value_ptr = (char *)new_value;
#endif
DBUG_VOID_RETURN;
}
static MYSQL_SYSVAR_STR(default_parser, mrn_default_tokenizer,
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_MEMALLOC,
"default fulltext parser "
"(Deprecated. Use mroonga_default_tokenizer instead.)",
NULL,
mrn_default_tokenizer_update,
MRN_DEFAULT_TOKENIZER);
static MYSQL_SYSVAR_STR(default_tokenizer, mrn_default_tokenizer,
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_MEMALLOC,
"default tokenizer for fulltext index",
NULL,
mrn_default_tokenizer_update,
MRN_DEFAULT_TOKENIZER);
static MYSQL_THDVAR_BOOL(
dry_write, /* name */
PLUGIN_VAR_OPCMDARG, /* options */
"If dry_write is true, any write operations are ignored.", /* comment */
NULL, /* check */
NULL, /* update */
false /* default */
);
static MYSQL_THDVAR_BOOL(
enable_optimization, /* name */
PLUGIN_VAR_OPCMDARG, /* options */
"If enable_optimization is true, some optimizations will be applied.", /* comment */
NULL, /* check */
NULL, /* update */
true /* default */
);
static MYSQL_THDVAR_LONGLONG(match_escalation_threshold,
PLUGIN_VAR_RQCMDARG,
"The threshold to determin whether search method is escalated",
NULL,
NULL,
grn_get_default_match_escalation_threshold(),
-1,
INT_MAX64,
0);
static void mrn_vector_column_delimiter_update(THD *thd, struct st_mysql_sys_var *var,
void *var_ptr, const void *save)