mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 20:12:31 +01:00
d11829654c
manually checked every change, reverted incorrect or stupid changes.
558 lines
20 KiB
C++
558 lines
20 KiB
C++
/* Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef MYSQLD_INCLUDED
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#define MYSQLD_INCLUDED
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#include "my_global.h" /* MYSQL_PLUGIN_IMPORT, FN_REFLEN, FN_EXTLEN */
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#include "sql_bitmap.h" /* Bitmap */
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#include "my_decimal.h" /* my_decimal */
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#include "mysql_com.h" /* SERVER_VERSION_LENGTH */
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#include "my_atomic.h" /* my_atomic_rwlock_t */
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#include "mysql/psi/mysql_file.h" /* MYSQL_FILE */
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#include "sql_list.h" /* I_List */
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class THD;
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struct handlerton;
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class Time_zone;
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struct scheduler_functions;
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typedef struct st_mysql_const_lex_string LEX_CSTRING;
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typedef struct st_mysql_show_var SHOW_VAR;
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#if MAX_INDEXES <= 64
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typedef Bitmap<64> key_map; /* Used for finding keys */
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#else
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typedef Bitmap<((MAX_INDEXES+7)/8*8)> key_map; /* Used for finding keys */
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#endif
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/* Bits from testflag */
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#define TEST_PRINT_CACHED_TABLES 1
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#define TEST_NO_KEY_GROUP 2
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#define TEST_MIT_THREAD 4
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#define TEST_BLOCKING 8
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#define TEST_KEEP_TMP_TABLES 16
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#define TEST_READCHECK 64 /**< Force use of readcheck */
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#define TEST_NO_EXTRA 128
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#define TEST_CORE_ON_SIGNAL 256 /**< Give core if signal */
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#define TEST_SIGINT 1024 /**< Allow sigint on threads */
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#define TEST_SYNCHRONIZATION 2048 /**< get server to do sleep in
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some places */
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/* Function prototypes */
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void kill_mysql(void);
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void close_connection(THD *thd, uint sql_errno= 0);
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void handle_connection_in_main_thread(THD *thd);
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void create_thread_to_handle_connection(THD *thd);
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void unlink_thd(THD *thd);
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bool one_thread_per_connection_end(THD *thd, bool put_in_cache);
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void flush_thread_cache();
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void refresh_status(THD *thd);
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bool is_secure_file_path(char *path);
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extern "C" MYSQL_PLUGIN_IMPORT CHARSET_INFO *system_charset_info;
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extern MYSQL_PLUGIN_IMPORT CHARSET_INFO *files_charset_info ;
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extern MYSQL_PLUGIN_IMPORT CHARSET_INFO *national_charset_info;
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extern MYSQL_PLUGIN_IMPORT CHARSET_INFO *table_alias_charset;
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/**
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Character set of the buildin error messages loaded from errmsg.sys.
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*/
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extern CHARSET_INFO *error_message_charset_info;
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extern CHARSET_INFO *character_set_filesystem;
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extern MY_BITMAP temp_pool;
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extern bool opt_large_files, server_id_supplied;
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extern bool opt_update_log, opt_bin_log, opt_error_log;
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extern my_bool opt_log, opt_slow_log;
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extern my_bool opt_backup_history_log;
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extern my_bool opt_backup_progress_log;
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extern ulonglong log_output_options;
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extern ulong log_backup_output_options;
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extern my_bool opt_log_queries_not_using_indexes;
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extern bool opt_disable_networking, opt_skip_show_db;
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extern bool opt_skip_name_resolve;
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extern bool opt_ignore_builtin_innodb;
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extern my_bool opt_character_set_client_handshake;
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extern bool volatile abort_loop;
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extern bool in_bootstrap;
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extern uint volatile thread_count;
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extern uint connection_count;
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extern my_bool opt_safe_user_create;
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extern my_bool opt_safe_show_db, opt_local_infile, opt_myisam_use_mmap;
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extern my_bool opt_slave_compressed_protocol, use_temp_pool;
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extern ulong slave_exec_mode_options;
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extern ulonglong slave_type_conversions_options;
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extern my_bool read_only, opt_readonly;
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extern my_bool lower_case_file_system;
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extern my_bool opt_enable_named_pipe, opt_sync_frm, opt_allow_suspicious_udfs;
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extern my_bool opt_secure_auth;
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extern char* opt_secure_file_priv;
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extern char* opt_secure_backup_file_priv;
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extern size_t opt_secure_backup_file_priv_len;
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extern my_bool opt_log_slow_admin_statements, opt_log_slow_slave_statements;
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extern my_bool sp_automatic_privileges, opt_noacl;
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extern my_bool opt_old_style_user_limits, trust_function_creators;
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extern uint opt_crash_binlog_innodb;
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extern char *shared_memory_base_name, *mysqld_unix_port;
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extern my_bool opt_enable_shared_memory;
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extern ulong opt_replicate_events_marked_for_skip;
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extern char *default_tz_name;
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extern Time_zone *default_tz;
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extern char *default_storage_engine;
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extern bool opt_endinfo, using_udf_functions;
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extern my_bool locked_in_memory;
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extern bool opt_using_transactions;
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extern ulong max_long_data_size;
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extern ulong current_pid;
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extern ulong expire_logs_days;
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extern my_bool relay_log_recovery;
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extern uint sync_binlog_period, sync_relaylog_period,
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sync_relayloginfo_period, sync_masterinfo_period;
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extern ulong opt_tc_log_size, tc_log_max_pages_used, tc_log_page_size;
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extern ulong tc_log_page_waits;
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extern my_bool relay_log_purge, opt_innodb_safe_binlog, opt_innodb;
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extern my_bool relay_log_recovery;
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extern uint test_flags,select_errors,ha_open_options;
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extern uint protocol_version, mysqld_port, dropping_tables;
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extern ulong delay_key_write_options;
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extern char *opt_logname, *opt_slow_logname, *opt_bin_logname,
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*opt_relay_logname;
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extern char *opt_backup_history_logname, *opt_backup_progress_logname,
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*opt_backup_settings_name;
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extern const char *log_output_str;
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extern const char *log_backup_output_str;
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extern char *mysql_home_ptr, *pidfile_name_ptr;
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extern char glob_hostname[FN_REFLEN], mysql_home[FN_REFLEN];
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extern char pidfile_name[FN_REFLEN], system_time_zone[30], *opt_init_file;
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extern char default_logfile_name[FN_REFLEN];
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extern char log_error_file[FN_REFLEN], *opt_tc_log_file;
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extern const double log_10[309];
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extern ulonglong keybuff_size;
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extern ulonglong thd_startup_options;
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extern ulong thread_id;
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extern ulong binlog_cache_use, binlog_cache_disk_use;
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extern ulong binlog_stmt_cache_use, binlog_stmt_cache_disk_use;
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extern ulong aborted_threads,aborted_connects;
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extern ulong delayed_insert_timeout;
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extern ulong delayed_insert_limit, delayed_queue_size;
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extern ulong delayed_insert_threads, delayed_insert_writes;
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extern ulong delayed_rows_in_use,delayed_insert_errors;
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extern ulong slave_open_temp_tables;
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extern ulonglong query_cache_size;
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extern ulong query_cache_min_res_unit;
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extern ulong slow_launch_threads, slow_launch_time;
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extern ulong table_cache_size, table_def_size;
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extern MYSQL_PLUGIN_IMPORT ulong max_connections;
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extern ulong max_connect_errors, connect_timeout;
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extern my_bool slave_allow_batching;
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extern my_bool allow_slave_start;
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extern LEX_CSTRING reason_slave_blocked;
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extern ulong slave_trans_retries;
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extern uint slave_net_timeout;
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extern int max_user_connections;
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extern ulong what_to_log,flush_time;
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extern ulong max_prepared_stmt_count, prepared_stmt_count;
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extern ulong open_files_limit;
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extern ulonglong binlog_cache_size, binlog_stmt_cache_size;
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extern ulonglong max_binlog_cache_size, max_binlog_stmt_cache_size;
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extern ulong max_binlog_size, max_relay_log_size;
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extern ulong slave_max_allowed_packet;
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extern ulong opt_binlog_rows_event_max_size;
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extern ulong rpl_recovery_rank, thread_cache_size;
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extern ulong stored_program_cache_size;
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extern ulong back_log;
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extern char language[FN_REFLEN];
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extern "C" MYSQL_PLUGIN_IMPORT ulong server_id;
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extern ulong concurrency;
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extern time_t server_start_time, flush_status_time;
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extern char *opt_mysql_tmpdir, mysql_charsets_dir[];
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extern int mysql_unpacked_real_data_home_len;
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extern MYSQL_PLUGIN_IMPORT MY_TMPDIR mysql_tmpdir_list;
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extern const char *first_keyword, *delayed_user, *binary_keyword;
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extern MYSQL_PLUGIN_IMPORT const char *my_localhost;
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extern MYSQL_PLUGIN_IMPORT const char **errmesg; /* Error messages */
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extern const char *myisam_recover_options_str;
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extern const char *in_left_expr_name, *in_additional_cond, *in_having_cond;
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extern SHOW_VAR status_vars[];
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extern struct system_variables max_system_variables;
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extern struct system_status_var global_status_var;
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extern struct my_rnd_struct sql_rand;
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extern const char *opt_date_time_formats[];
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extern handlerton *partition_hton;
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extern handlerton *myisam_hton;
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extern handlerton *heap_hton;
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extern const char *load_default_groups[];
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extern struct my_option my_long_options[];
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extern int mysqld_server_started;
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extern "C" MYSQL_PLUGIN_IMPORT int orig_argc;
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extern "C" MYSQL_PLUGIN_IMPORT char **orig_argv;
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extern pthread_attr_t connection_attrib;
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extern MYSQL_FILE *bootstrap_file;
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extern my_bool old_mode;
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extern LEX_STRING opt_init_connect, opt_init_slave;
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extern int bootstrap_error;
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extern I_List<THD> threads;
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extern char err_shared_dir[];
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extern TYPELIB thread_handling_typelib;
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/*
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THR_MALLOC is a key which will be used to set/get MEM_ROOT** for a thread,
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using my_pthread_setspecific_ptr()/my_thread_getspecific_ptr().
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*/
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extern pthread_key(MEM_ROOT**,THR_MALLOC);
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#ifdef HAVE_PSI_INTERFACE
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#ifdef HAVE_MMAP
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extern PSI_mutex_key key_PAGE_lock, key_LOCK_sync, key_LOCK_active,
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key_LOCK_pool;
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#endif /* HAVE_MMAP */
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#ifdef HAVE_OPENSSL
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extern PSI_mutex_key key_LOCK_des_key_file;
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#endif
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extern PSI_mutex_key key_BINLOG_LOCK_index, key_BINLOG_LOCK_prep_xids,
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key_delayed_insert_mutex, key_hash_filo_lock, key_LOCK_active_mi,
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key_LOCK_connection_count, key_LOCK_crypt, key_LOCK_delayed_create,
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key_LOCK_delayed_insert, key_LOCK_delayed_status, key_LOCK_error_log,
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key_LOCK_gdl, key_LOCK_global_system_variables,
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key_LOCK_logger, key_LOCK_manager,
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key_LOCK_prepared_stmt_count,
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key_LOCK_rpl_status, key_LOCK_server_started, key_LOCK_status,
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key_LOCK_table_share, key_LOCK_thd_data,
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key_LOCK_user_conn, key_LOG_LOCK_log,
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key_master_info_data_lock, key_master_info_run_lock,
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key_master_info_sleep_lock,
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key_mutex_slave_reporting_capability_err_lock, key_relay_log_info_data_lock,
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key_relay_log_info_log_space_lock, key_relay_log_info_run_lock,
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key_relay_log_info_sleep_lock,
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key_structure_guard_mutex, key_TABLE_SHARE_LOCK_ha_data,
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key_LOCK_error_messages, key_LOCK_thread_count, key_PARTITION_LOCK_auto_inc;
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extern PSI_mutex_key key_RELAYLOG_LOCK_index;
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extern PSI_mutex_key key_LOCK_stats,
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key_LOCK_global_user_client_stats, key_LOCK_global_table_stats,
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key_LOCK_global_index_stats, key_LOCK_wakeup_ready;
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extern PSI_rwlock_key key_rwlock_LOCK_grant, key_rwlock_LOCK_logger,
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key_rwlock_LOCK_sys_init_connect, key_rwlock_LOCK_sys_init_slave,
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key_rwlock_LOCK_system_variables_hash, key_rwlock_query_cache_query_lock;
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#ifdef HAVE_MMAP
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extern PSI_cond_key key_PAGE_cond, key_COND_active, key_COND_pool;
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#endif /* HAVE_MMAP */
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extern PSI_cond_key key_BINLOG_COND_prep_xids, key_BINLOG_update_cond,
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key_COND_cache_status_changed, key_COND_manager,
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key_COND_rpl_status, key_COND_server_started,
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key_delayed_insert_cond, key_delayed_insert_cond_client,
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key_item_func_sleep_cond, key_master_info_data_cond,
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key_master_info_start_cond, key_master_info_stop_cond,
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key_master_info_sleep_cond,
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key_relay_log_info_data_cond, key_relay_log_info_log_space_cond,
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key_relay_log_info_start_cond, key_relay_log_info_stop_cond,
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key_relay_log_info_sleep_cond,
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key_TABLE_SHARE_cond, key_user_level_lock_cond,
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key_COND_thread_count, key_COND_thread_cache, key_COND_flush_thread_cache;
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extern PSI_cond_key key_RELAYLOG_update_cond, key_COND_wakeup_ready;
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extern PSI_cond_key key_RELAYLOG_COND_queue_busy;
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extern PSI_cond_key key_TC_LOG_MMAP_COND_queue_busy;
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extern PSI_thread_key key_thread_bootstrap, key_thread_delayed_insert,
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key_thread_handle_manager, key_thread_kill_server, key_thread_main,
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key_thread_one_connection, key_thread_signal_hand;
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extern PSI_file_key key_file_binlog, key_file_binlog_index, key_file_casetest,
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key_file_dbopt, key_file_des_key_file, key_file_ERRMSG, key_select_to_file,
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key_file_fileparser, key_file_frm, key_file_global_ddl_log, key_file_load,
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key_file_loadfile, key_file_log_event_data, key_file_log_event_info,
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key_file_master_info, key_file_misc, key_file_partition,
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key_file_pid, key_file_relay_log_info, key_file_send_file, key_file_tclog,
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key_file_trg, key_file_trn, key_file_init;
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extern PSI_file_key key_file_query_log, key_file_slow_log;
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extern PSI_file_key key_file_relaylog, key_file_relaylog_index;
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void init_server_psi_keys();
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#endif /* HAVE_PSI_INTERFACE */
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#ifndef __WIN__
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extern pthread_t signal_thread;
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#endif
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#ifdef HAVE_OPENSSL
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extern struct st_VioSSLFd * ssl_acceptor_fd;
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#endif /* HAVE_OPENSSL */
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/*
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The following variables were under INNODB_COMPABILITY_HOOKS
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*/
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extern my_bool opt_large_pages;
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extern uint opt_large_page_size;
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extern char lc_messages_dir[FN_REFLEN];
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extern char *lc_messages_dir_ptr, *log_error_file_ptr;
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extern MYSQL_PLUGIN_IMPORT char reg_ext[FN_EXTLEN];
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extern MYSQL_PLUGIN_IMPORT uint reg_ext_length;
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extern MYSQL_PLUGIN_IMPORT uint lower_case_table_names;
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extern MYSQL_PLUGIN_IMPORT bool mysqld_embedded;
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extern ulong specialflag;
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extern uint mysql_data_home_len;
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extern uint mysql_real_data_home_len;
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extern const char *mysql_real_data_home_ptr;
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extern ulong thread_handling;
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extern MYSQL_PLUGIN_IMPORT char *mysql_data_home;
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extern "C" MYSQL_PLUGIN_IMPORT char server_version[SERVER_VERSION_LENGTH];
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extern MYSQL_PLUGIN_IMPORT char mysql_real_data_home[];
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extern char mysql_unpacked_real_data_home[];
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extern MYSQL_PLUGIN_IMPORT struct system_variables global_system_variables;
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extern char default_logfile_name[FN_REFLEN];
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#define mysql_tmpdir (my_tmpdir(&mysql_tmpdir_list))
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extern MYSQL_PLUGIN_IMPORT const key_map key_map_empty;
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extern MYSQL_PLUGIN_IMPORT key_map key_map_full; /* Should be threaded as const */
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/*
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Server mutex locks and condition variables.
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*/
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extern mysql_mutex_t
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LOCK_user_locks, LOCK_status,
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LOCK_error_log, LOCK_delayed_insert, LOCK_short_uuid_generator,
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LOCK_delayed_status, LOCK_delayed_create, LOCK_crypt, LOCK_timezone,
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LOCK_slave_list, LOCK_active_mi, LOCK_manager,
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LOCK_global_system_variables, LOCK_user_conn,
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LOCK_prepared_stmt_count, LOCK_error_messages, LOCK_connection_count;
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extern MYSQL_PLUGIN_IMPORT mysql_mutex_t LOCK_thread_count;
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#ifdef HAVE_OPENSSL
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extern mysql_mutex_t LOCK_des_key_file;
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#endif
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extern mysql_mutex_t LOCK_server_started;
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extern mysql_cond_t COND_server_started;
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extern mysql_rwlock_t LOCK_grant, LOCK_sys_init_connect, LOCK_sys_init_slave;
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extern mysql_rwlock_t LOCK_system_variables_hash;
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extern mysql_cond_t COND_thread_count;
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extern mysql_cond_t COND_manager;
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extern int32 thread_running;
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extern my_atomic_rwlock_t thread_running_lock;
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extern char *opt_ssl_ca, *opt_ssl_capath, *opt_ssl_cert, *opt_ssl_cipher,
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*opt_ssl_key;
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extern MYSQL_PLUGIN_IMPORT pthread_key(THD*, THR_THD);
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#ifdef MYSQL_SERVER
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/**
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only options that need special treatment in get_one_option() deserve
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to be listed below
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*/
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enum options_mysqld
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{
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OPT_to_set_the_start_number=256,
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OPT_BIND_ADDRESS,
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OPT_BINLOG_DO_DB,
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OPT_BINLOG_FORMAT,
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OPT_BINLOG_IGNORE_DB,
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OPT_BIN_LOG,
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OPT_LOG_BASENAME,
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OPT_BOOTSTRAP,
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OPT_CONSOLE,
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OPT_DEBUG_SYNC_TIMEOUT,
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OPT_DELAY_KEY_WRITE_ALL,
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OPT_DEPRECATED_OPTION,
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OPT_ISAM_LOG,
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OPT_KEY_BUFFER_SIZE,
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OPT_KEY_CACHE_AGE_THRESHOLD,
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OPT_KEY_CACHE_BLOCK_SIZE,
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OPT_KEY_CACHE_DIVISION_LIMIT,
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OPT_KEY_CACHE_PARTITIONS,
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OPT_LOWER_CASE_TABLE_NAMES,
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OPT_ONE_THREAD,
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OPT_POOL_OF_THREADS,
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OPT_REPLICATE_DO_DB,
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OPT_REPLICATE_DO_TABLE,
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OPT_REPLICATE_IGNORE_DB,
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OPT_REPLICATE_IGNORE_TABLE,
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OPT_REPLICATE_REWRITE_DB,
|
|
OPT_REPLICATE_WILD_DO_TABLE,
|
|
OPT_REPLICATE_WILD_IGNORE_TABLE,
|
|
OPT_SAFE,
|
|
OPT_SERVER_ID,
|
|
OPT_SKIP_HOST_CACHE,
|
|
OPT_SKIP_LOCK,
|
|
OPT_SKIP_PRIOR,
|
|
OPT_SKIP_RESOLVE,
|
|
OPT_SKIP_STACK_TRACE,
|
|
OPT_SKIP_SYMLINKS,
|
|
OPT_SLOW_QUERY_LOG,
|
|
OPT_SSL_CA,
|
|
OPT_SSL_CAPATH,
|
|
OPT_SSL_CERT,
|
|
OPT_SSL_CIPHER,
|
|
OPT_SSL_KEY,
|
|
OPT_UPDATE_LOG,
|
|
OPT_WANT_CORE,
|
|
OPT_ENGINE_CONDITION_PUSHDOWN,
|
|
OPT_LOG_ERROR,
|
|
OPT_MAX_LONG_DATA_SIZE
|
|
};
|
|
#endif
|
|
|
|
/**
|
|
Query type constants (usable as bitmap flags).
|
|
*/
|
|
enum enum_query_type
|
|
{
|
|
/// Nothing specific, ordinary SQL query.
|
|
QT_ORDINARY= 0,
|
|
/// In utf8.
|
|
QT_TO_SYSTEM_CHARSET= (1 << 0),
|
|
/// Without character set introducers.
|
|
QT_WITHOUT_INTRODUCERS= (1 << 1),
|
|
/// view internal representation (like QT_ORDINARY except ORDER BY clause)
|
|
QT_VIEW_INTERNAL= (1 << 2)
|
|
};
|
|
|
|
/* query_id */
|
|
typedef int64 query_id_t;
|
|
extern query_id_t global_query_id;
|
|
extern my_atomic_rwlock_t global_query_id_lock;
|
|
|
|
void unireg_end(void) __attribute__((noreturn));
|
|
|
|
/* increment query_id and return it. */
|
|
inline query_id_t next_query_id()
|
|
{
|
|
query_id_t id;
|
|
my_atomic_rwlock_wrlock(&global_query_id_lock);
|
|
id= my_atomic_add64(&global_query_id, 1);
|
|
my_atomic_rwlock_wrunlock(&global_query_id_lock);
|
|
return (id+1);
|
|
}
|
|
|
|
inline query_id_t get_query_id()
|
|
{
|
|
query_id_t id;
|
|
my_atomic_rwlock_wrlock(&global_query_id_lock);
|
|
id= my_atomic_load64(&global_query_id);
|
|
my_atomic_rwlock_wrunlock(&global_query_id_lock);
|
|
return id;
|
|
}
|
|
|
|
|
|
/*
|
|
TODO: Replace this with an inline function.
|
|
*/
|
|
#ifndef EMBEDDED_LIBRARY
|
|
extern "C" void unireg_abort(int exit_code) __attribute__((noreturn));
|
|
#else
|
|
extern "C" void unireg_clear(int exit_code);
|
|
#define unireg_abort(exit_code) do { unireg_clear(exit_code); DBUG_RETURN(exit_code); } while(0)
|
|
#endif
|
|
|
|
inline void table_case_convert(char * name, uint length)
|
|
{
|
|
if (lower_case_table_names)
|
|
files_charset_info->cset->casedn(files_charset_info,
|
|
name, length, name, length);
|
|
}
|
|
|
|
inline ulong sql_rnd_with_mutex()
|
|
{
|
|
mysql_mutex_lock(&LOCK_thread_count);
|
|
ulong tmp=(ulong) (my_rnd(&sql_rand) * 0xffffffff); /* make all bits random */
|
|
mysql_mutex_unlock(&LOCK_thread_count);
|
|
return tmp;
|
|
}
|
|
|
|
inline int32
|
|
inc_thread_running()
|
|
{
|
|
int32 num_thread_running;
|
|
my_atomic_rwlock_wrlock(&thread_running_lock);
|
|
num_thread_running= my_atomic_add32(&thread_running, 1);
|
|
my_atomic_rwlock_wrunlock(&thread_running_lock);
|
|
return (num_thread_running+1);
|
|
}
|
|
|
|
inline int32
|
|
dec_thread_running()
|
|
{
|
|
int32 num_thread_running;
|
|
my_atomic_rwlock_wrlock(&thread_running_lock);
|
|
num_thread_running= my_atomic_add32(&thread_running, -1);
|
|
my_atomic_rwlock_wrunlock(&thread_running_lock);
|
|
return (num_thread_running-1);
|
|
}
|
|
|
|
inline int32
|
|
get_thread_running()
|
|
{
|
|
int32 num_thread_running;
|
|
my_atomic_rwlock_wrlock(&thread_running_lock);
|
|
num_thread_running= my_atomic_load32(&thread_running);
|
|
my_atomic_rwlock_wrunlock(&thread_running_lock);
|
|
return num_thread_running;
|
|
}
|
|
|
|
void set_server_version(void);
|
|
|
|
#if defined(MYSQL_DYNAMIC_PLUGIN) && defined(_WIN32)
|
|
extern "C" THD *_current_thd_noinline();
|
|
#define _current_thd() _current_thd_noinline()
|
|
#else
|
|
/*
|
|
THR_THD is a key which will be used to set/get THD* for a thread,
|
|
using my_pthread_setspecific_ptr()/my_thread_getspecific_ptr().
|
|
*/
|
|
extern pthread_key(THD*, THR_THD);
|
|
inline THD *_current_thd(void)
|
|
{
|
|
return my_pthread_getspecific_ptr(THD*,THR_THD);
|
|
}
|
|
#endif
|
|
#define current_thd _current_thd()
|
|
|
|
/*
|
|
@todo remove, make it static in ha_maria.cc
|
|
currently it's needed for sql_select.cc
|
|
*/
|
|
extern handlerton *maria_hton;
|
|
|
|
extern uint extra_connection_count;
|
|
extern my_bool opt_userstat_running, debug_assert_if_crashed_table;
|
|
extern uint mysqld_extra_port;
|
|
extern ulong opt_progress_report_time;
|
|
extern ulong extra_max_connections;
|
|
extern ulonglong denied_connections;
|
|
extern ulong thread_created;
|
|
extern scheduler_functions *thread_scheduler, *extra_thread_scheduler;
|
|
extern char *opt_log_basename;
|
|
extern my_bool opt_master_verify_checksum;
|
|
extern my_bool opt_stack_trace;
|
|
extern my_bool opt_expect_abort;
|
|
extern my_bool opt_slave_sql_verify_checksum;
|
|
extern ulong binlog_checksum_options;
|
|
extern bool max_user_connections_checking;
|
|
extern ulong opt_binlog_dbug_fsync_sleep;
|
|
|
|
extern uint internal_tmp_table_max_key_length;
|
|
extern uint internal_tmp_table_max_key_segments;
|
|
|
|
extern uint volatile global_disable_checkpoint;
|
|
extern my_bool opt_help;
|
|
|
|
#endif /* MYSQLD_INCLUDED */
|