From 354bb40e75d94466e91fe6960523612c9d17ccfb Mon Sep 17 00:00:00 2001 From: Karen Arutyunov Date: Thu, 2 Nov 2017 23:11:29 +0300 Subject: Add implementation --- mysql/sql/mysqld.h | 979 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 979 insertions(+) create mode 100644 mysql/sql/mysqld.h (limited to 'mysql/sql/mysqld.h') diff --git a/mysql/sql/mysqld.h b/mysql/sql/mysqld.h new file mode 100644 index 0000000..4639fd3 --- /dev/null +++ b/mysql/sql/mysqld.h @@ -0,0 +1,979 @@ +/* Copyright (c) 2010, 2017, Oracle and/or its affiliates. All rights reserved. + + 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 St, Fifth Floor, Boston, MA 02110-1301 USA */ + +#ifndef MYSQLD_INCLUDED +#define MYSQLD_INCLUDED + +#include "my_global.h" /* MYSQL_PLUGIN_IMPORT, FN_REFLEN, FN_EXTLEN */ +#include "my_bitmap.h" /* MY_BITMAP */ +#include "my_decimal.h" /* my_decimal */ +#include "mysql_com.h" /* SERVER_VERSION_LENGTH */ +#include "my_atomic.h" /* my_atomic_add64 */ +#include "sql_cmd.h" /* SQLCOM_END */ +#include "my_thread_local.h" /* my_get_thread_local */ +#include "my_thread.h" /* my_thread_attr_t */ +#include "atomic_class.h" /* Atomic_int32 */ + +class THD; +struct handlerton; +class Time_zone; +template class Bitmap; + +typedef struct st_mysql_const_lex_string LEX_CSTRING; +typedef struct st_mysql_show_var SHOW_VAR; + +/* + This forward declaration is used from C files where the real + definition is included before. Since C does not allow repeated + typedef declarations, even when identical, the definition may not be + repeated. +*/ +#ifndef CHARSET_INFO_DEFINED +typedef struct charset_info_st CHARSET_INFO; +#endif /* CHARSET_INFO_DEFINED */ + +#if MAX_INDEXES <= 64 +typedef Bitmap<64> key_map; /* Used for finding keys */ +#elif MAX_INDEXES > 255 +#error "MAX_INDEXES values greater than 255 is not supported." +#else +typedef Bitmap<((MAX_INDEXES+7)/8*8)> key_map; /* Used for finding keys */ +#endif + + /* Bits from testflag */ +#define TEST_PRINT_CACHED_TABLES 1 +#define TEST_NO_KEY_GROUP 2 +#define TEST_MIT_THREAD 4 +/* + TEST_BLOCKING is made obsolete and is not used any + where in the code base and is retained here so that + the other bit flag values are not changed. +*/ +#define OBSOLETE_TEST_BLOCKING 8 +#define TEST_KEEP_TMP_TABLES 16 +#define TEST_READCHECK 64 /**< Force use of readcheck */ +#define TEST_NO_EXTRA 128 +#define TEST_CORE_ON_SIGNAL 256 /**< Give core if signal */ +#define TEST_NO_STACKTRACE 512 +#define TEST_SIGINT 1024 /**< Allow sigint on threads */ +#define TEST_SYNCHRONIZATION 2048 /**< get server to do sleep in + some places */ +#define TEST_DO_QUICK_LEAK_CHECK 4096 /**< Do Valgrind leak check for + each command. */ + +#define SPECIAL_NO_NEW_FUNC 2 /* Skip new functions */ +#define SPECIAL_SKIP_SHOW_DB 4 /* Don't allow 'show db' */ +#define SPECIAL_NO_RESOLVE 64 /* Don't use gethostname */ +#define SPECIAL_NO_HOST_CACHE 512 /* Don't cache hosts */ +#define SPECIAL_SHORT_LOG_FORMAT 1024 + +/* Function prototypes */ +#ifndef EMBEDDED_LIBRARY +void kill_mysql(void); +#endif +void refresh_status(THD *thd); +bool is_secure_file_path(char *path); +int handle_early_options(); +void adjust_related_options(ulong *requested_open_files); +ulong sql_rnd_with_mutex(); + +// These are needed for unit testing. +void set_remaining_args(int argc, char **argv); +int init_common_variables(); +void my_init_signals(); +bool gtid_server_init(); +void gtid_server_cleanup(); +const char *fixup_enforce_gtid_consistency_command_line(char *value_arg); + +extern "C" MYSQL_PLUGIN_IMPORT CHARSET_INFO *system_charset_info; +extern MYSQL_PLUGIN_IMPORT CHARSET_INFO *files_charset_info ; +extern MYSQL_PLUGIN_IMPORT CHARSET_INFO *national_charset_info; +extern MYSQL_PLUGIN_IMPORT CHARSET_INFO *table_alias_charset; + +enum enum_server_operational_state +{ + SERVER_BOOTING, /* Server is not operational. It is starting */ + SERVER_OPERATING, /* Server is fully initialized and operating */ + SERVER_SHUTTING_DOWN /* erver is shutting down */ +}; +enum_server_operational_state get_server_state(); + +/** + Character set of the buildin error messages loaded from errmsg.sys. +*/ +extern CHARSET_INFO *error_message_charset_info; + +extern CHARSET_INFO *character_set_filesystem; + +extern MY_BITMAP temp_pool; +extern bool opt_large_files, server_id_supplied; +extern bool opt_update_log, opt_bin_log; +extern my_bool opt_log_slave_updates; +extern my_bool opt_log_unsafe_statements; +extern bool opt_general_log, opt_slow_log, opt_general_log_raw; +extern my_bool opt_backup_history_log; +extern my_bool opt_backup_progress_log; +extern ulonglong log_output_options; +extern ulong log_backup_output_options; +extern my_bool opt_log_queries_not_using_indexes; +extern ulong opt_log_throttle_queries_not_using_indexes; +extern bool opt_disable_networking, opt_skip_show_db; +extern bool opt_skip_name_resolve; +extern my_bool opt_help; +extern my_bool opt_verbose; +extern bool opt_ignore_builtin_innodb; +extern my_bool opt_character_set_client_handshake; +extern MYSQL_PLUGIN_IMPORT bool volatile abort_loop; +extern my_bool opt_bootstrap, opt_initialize; +extern my_bool opt_safe_user_create; +extern my_bool opt_safe_show_db, opt_local_infile, opt_myisam_use_mmap; +extern my_bool opt_slave_compressed_protocol, use_temp_pool; +extern ulong slave_exec_mode_options; +extern ulonglong slave_type_conversions_options; +extern my_bool read_only, opt_readonly; +extern my_bool super_read_only, opt_super_readonly; +extern my_bool lower_case_file_system; +extern ulonglong slave_rows_search_algorithms_options; +extern my_bool opt_require_secure_transport; + +#ifdef HAVE_REPLICATION +extern my_bool opt_slave_preserve_commit_order; +#endif + +#ifndef DBUG_OFF +extern uint slave_rows_last_search_algorithm_used; +#endif +extern ulong mts_parallel_option; +extern my_bool opt_enable_named_pipe, opt_sync_frm, opt_allow_suspicious_udfs; +extern my_bool opt_secure_auth; +extern char* opt_secure_file_priv; +extern char* opt_secure_backup_file_priv; +extern size_t opt_secure_backup_file_priv_len; +extern my_bool opt_log_slow_admin_statements, opt_log_slow_slave_statements; +extern my_bool sp_automatic_privileges, opt_noacl; +extern my_bool opt_old_style_user_limits, trust_function_creators; +extern my_bool check_proxy_users, mysql_native_password_proxy_users, sha256_password_proxy_users; +extern uint opt_crash_binlog_innodb; +extern char *shared_memory_base_name, *mysqld_unix_port; +extern my_bool opt_enable_shared_memory; +extern char *default_tz_name; +extern Time_zone *default_tz; +extern char *default_storage_engine; +extern char *default_tmp_storage_engine; +extern ulong internal_tmp_disk_storage_engine; +extern bool opt_endinfo, using_udf_functions; +extern my_bool locked_in_memory; +extern bool opt_using_transactions; +extern ulong max_long_data_size; +extern ulong current_pid; +extern ulong expire_logs_days; +extern my_bool relay_log_recovery; +extern uint sync_binlog_period, sync_relaylog_period, + sync_relayloginfo_period, sync_masterinfo_period, + opt_mts_checkpoint_period, opt_mts_checkpoint_group; +extern ulong opt_tc_log_size, tc_log_max_pages_used, tc_log_page_size; +extern ulong tc_log_page_waits; +extern my_bool relay_log_purge, opt_innodb_safe_binlog, opt_innodb; +extern my_bool relay_log_recovery; +extern my_bool offline_mode; +extern my_bool opt_log_builtin_as_identified_by_password; +extern uint test_flags,select_errors,ha_open_options; +extern uint protocol_version, mysqld_port, dropping_tables; +extern ulong delay_key_write_options; +extern ulong opt_log_timestamps; +extern const char *timestamp_type_names[]; +extern char *opt_general_logname, *opt_slow_logname, *opt_bin_logname, + *opt_relay_logname; +extern char *opt_backup_history_logname, *opt_backup_progress_logname, + *opt_backup_settings_name; +extern const char *log_output_str; +extern const char *log_backup_output_str; +extern char *mysql_home_ptr, *pidfile_name_ptr; +extern char *default_auth_plugin; +extern uint default_password_lifetime; +extern char *my_bind_addr_str; +extern char glob_hostname[FN_REFLEN], mysql_home[FN_REFLEN]; +extern char pidfile_name[FN_REFLEN], system_time_zone[30], *opt_init_file; +extern char default_logfile_name[FN_REFLEN]; +extern char *opt_tc_log_file; +/*Move UUID_LENGTH from item_strfunc.h*/ +#define UUID_LENGTH (8+1+4+1+4+1+4+1+12) +extern char server_uuid[UUID_LENGTH+1]; +extern const char *server_uuid_ptr; +extern const double log_10[309]; +extern ulonglong keybuff_size; +extern ulonglong thd_startup_options; +extern ulong binlog_cache_use, binlog_cache_disk_use; +extern ulong binlog_stmt_cache_use, binlog_stmt_cache_disk_use; +extern ulong aborted_threads; +extern ulong delayed_insert_timeout; +extern ulong delayed_insert_limit, delayed_queue_size; +extern ulong delayed_insert_threads, delayed_insert_writes; +extern ulong delayed_rows_in_use,delayed_insert_errors; +extern Atomic_int32 slave_open_temp_tables; +extern ulong query_cache_size, query_cache_min_res_unit; +extern ulong slow_launch_time; +extern ulong table_cache_size, table_def_size; +extern ulong table_cache_size_per_instance, table_cache_instances; +extern MYSQL_PLUGIN_IMPORT ulong max_connections; +extern ulong max_digest_length; +extern ulong max_connect_errors, connect_timeout; +extern my_bool opt_slave_allow_batching; +extern my_bool allow_slave_start; +extern LEX_CSTRING reason_slave_blocked; +extern ulong slave_trans_retries; +extern uint slave_net_timeout; +extern ulong opt_mts_slave_parallel_workers; +extern ulonglong opt_mts_pending_jobs_size_max; +extern uint max_user_connections; +extern ulong rpl_stop_slave_timeout; +extern my_bool log_bin_use_v1_row_events; +extern ulong what_to_log,flush_time; +extern ulong max_prepared_stmt_count, prepared_stmt_count; +extern ulong open_files_limit; +extern ulong binlog_cache_size, binlog_stmt_cache_size; +extern ulonglong max_binlog_cache_size, max_binlog_stmt_cache_size; +extern int32 opt_binlog_max_flush_queue_time; +extern ulong opt_binlog_group_commit_sync_delay; +extern ulong opt_binlog_group_commit_sync_no_delay_count; +extern ulong max_binlog_size, max_relay_log_size; +extern ulong slave_max_allowed_packet; +extern ulong opt_binlog_rows_event_max_size; +extern ulong binlog_checksum_options; +extern const char *binlog_checksum_type_names[]; +extern my_bool opt_master_verify_checksum; +extern my_bool opt_slave_sql_verify_checksum; +extern uint32 gtid_executed_compression_period; +extern my_bool binlog_gtid_simple_recovery; +extern ulong binlog_error_action; +extern ulong locked_account_connection_count; +enum enum_binlog_error_action +{ + /// Ignore the error and let server continue without binlogging + IGNORE_ERROR= 0, + /// Abort the server + ABORT_SERVER= 1 +}; +extern const char *binlog_error_action_list[]; + +extern ulong stored_program_cache_size; +extern ulong back_log; +extern char language[FN_REFLEN]; +extern "C" MYSQL_PLUGIN_IMPORT ulong server_id; +extern time_t server_start_time, flush_status_time; +extern char *opt_mysql_tmpdir, mysql_charsets_dir[]; +extern size_t mysql_unpacked_real_data_home_len; +extern MYSQL_PLUGIN_IMPORT MY_TMPDIR mysql_tmpdir_list; +extern const char *show_comp_option_name[]; +extern const char *first_keyword, *binary_keyword; +extern MYSQL_PLUGIN_IMPORT const char *my_localhost; +extern const char *myisam_recover_options_str; +extern const char *in_left_expr_name, *in_additional_cond, *in_having_cond; +extern SHOW_VAR status_vars[]; +extern struct system_variables max_system_variables; +extern struct system_status_var global_status_var; +extern struct rand_struct sql_rand; +extern const char *opt_date_time_formats[]; +extern handlerton *myisam_hton; +extern handlerton *heap_hton; +extern handlerton *innodb_hton; +extern uint opt_server_id_bits; +extern ulong opt_server_id_mask; +#ifdef WITH_NDBCLUSTER_STORAGE_ENGINE +/* engine specific hook, to be made generic */ +extern int(*ndb_wait_setup_func)(ulong); +extern ulong opt_ndb_wait_setup; +#endif +extern const char *load_default_groups[]; +extern struct my_option my_long_options[]; +extern struct my_option my_long_early_options[]; +extern bool mysqld_server_started; +extern "C" MYSQL_PLUGIN_IMPORT int orig_argc; +extern "C" MYSQL_PLUGIN_IMPORT char **orig_argv; +extern my_thread_attr_t connection_attrib; +extern my_bool old_mode; +extern my_bool avoid_temporal_upgrade; +extern LEX_STRING opt_init_connect, opt_init_slave; +extern char err_shared_dir[]; +extern my_decimal decimal_zero; +#ifndef EMBEDDED_LIBRARY +extern ulong connection_errors_internal; +extern ulong connection_errors_peer_addr; +#endif +extern ulong log_warnings; +extern bool opt_log_syslog_enable; +extern char *opt_log_syslog_tag; +#ifndef _WIN32 +extern bool opt_log_syslog_include_pid; +extern char *opt_log_syslog_facility; +#endif +/** The size of the host_cache. */ +extern uint host_cache_size; +extern ulong log_error_verbosity; + +/** System variable show_compatibility_56. */ +extern my_bool show_compatibility_56; + +#if defined(EMBEDDED_LIBRARY) +extern ulong max_allowed_packet; +extern ulong net_buffer_length; +#endif + +extern LEX_CSTRING sql_statement_names[(uint) SQLCOM_END + 1]; + +/* + THR_MALLOC is a key which will be used to set/get MEM_ROOT** for a thread, + using my_set_thread_local()/my_get_thread_local(). +*/ +extern thread_local_key_t THR_MALLOC; +extern bool THR_MALLOC_initialized; + +static inline MEM_ROOT ** my_thread_get_THR_MALLOC() +{ + DBUG_ASSERT(THR_MALLOC_initialized); + return (MEM_ROOT**) my_get_thread_local(THR_MALLOC); +} + +static inline int my_thread_set_THR_MALLOC(MEM_ROOT ** hdl) +{ + DBUG_ASSERT(THR_MALLOC_initialized); + return my_set_thread_local(THR_MALLOC, hdl); +} + +/* + THR_THD is a key which will be used to set/get THD* for a thread, + using my_set_thread_local()/my_get_thread_local(). +*/ +extern MYSQL_PLUGIN_IMPORT thread_local_key_t THR_THD; +extern bool THR_THD_initialized; + +static inline THD * my_thread_get_THR_THD() +{ + DBUG_ASSERT(THR_THD_initialized); + return (THD*)my_get_thread_local(THR_THD); +} + +static inline int my_thread_set_THR_THD(THD *thd) +{ + DBUG_ASSERT(THR_THD_initialized); + return my_set_thread_local(THR_THD, thd); +} + +#ifdef HAVE_PSI_INTERFACE + +C_MODE_START + +extern PSI_mutex_key key_LOCK_tc; + +#ifdef HAVE_OPENSSL +extern PSI_mutex_key key_LOCK_des_key_file; +#endif + +extern PSI_mutex_key key_BINLOG_LOCK_commit; +extern PSI_mutex_key key_BINLOG_LOCK_commit_queue; +extern PSI_mutex_key key_BINLOG_LOCK_done; +extern PSI_mutex_key key_BINLOG_LOCK_flush_queue; +extern PSI_mutex_key key_BINLOG_LOCK_index; +extern PSI_mutex_key key_BINLOG_LOCK_log; +extern PSI_mutex_key key_BINLOG_LOCK_binlog_end_pos; +extern PSI_mutex_key key_BINLOG_LOCK_sync; +extern PSI_mutex_key key_BINLOG_LOCK_sync_queue; +extern PSI_mutex_key key_BINLOG_LOCK_xids; +extern PSI_mutex_key + key_hash_filo_lock, + key_LOCK_crypt, key_LOCK_error_log, + key_LOCK_gdl, key_LOCK_global_system_variables, + key_LOCK_lock_db, key_LOCK_logger, key_LOCK_manager, + key_LOCK_prepared_stmt_count, + key_LOCK_server_started, key_LOCK_status, + key_LOCK_sql_slave_skip_counter, + key_LOCK_slave_net_timeout, + key_LOCK_table_share, key_LOCK_thd_data, key_LOCK_thd_sysvar, + key_LOCK_user_conn, key_LOCK_uuid_generator, key_LOG_LOCK_log, + key_master_info_data_lock, key_master_info_run_lock, + key_master_info_sleep_lock, key_master_info_thd_lock, + key_mutex_slave_reporting_capability_err_lock, key_relay_log_info_data_lock, + key_relay_log_info_sleep_lock, key_relay_log_info_thd_lock, + key_relay_log_info_log_space_lock, key_relay_log_info_run_lock, + key_mutex_slave_parallel_pend_jobs, key_mutex_mts_temp_tables_lock, + key_mutex_slave_parallel_worker, + key_mutex_slave_parallel_worker_count, + key_structure_guard_mutex, key_TABLE_SHARE_LOCK_ha_data, + key_LOCK_error_messages, + key_LOCK_log_throttle_qni, key_LOCK_query_plan, key_LOCK_thd_query, + key_LOCK_cost_const, key_LOCK_current_cond; +extern PSI_mutex_key key_RELAYLOG_LOCK_commit; +extern PSI_mutex_key key_RELAYLOG_LOCK_commit_queue; +extern PSI_mutex_key key_RELAYLOG_LOCK_done; +extern PSI_mutex_key key_RELAYLOG_LOCK_flush_queue; +extern PSI_mutex_key key_RELAYLOG_LOCK_index; +extern PSI_mutex_key key_RELAYLOG_LOCK_log; +extern PSI_mutex_key key_RELAYLOG_LOCK_sync; +extern PSI_mutex_key key_RELAYLOG_LOCK_sync_queue; +extern PSI_mutex_key key_RELAYLOG_LOCK_xids; +extern PSI_mutex_key key_LOCK_sql_rand; +extern PSI_mutex_key key_gtid_ensure_index_mutex; +extern PSI_mutex_key key_mts_temp_table_LOCK; +extern PSI_mutex_key key_LOCK_reset_gtid_table; +extern PSI_mutex_key key_LOCK_compress_gtid_table; +extern PSI_mutex_key key_mts_gaq_LOCK; +extern PSI_mutex_key key_thd_timer_mutex; +extern PSI_mutex_key key_LOCK_offline_mode; +extern PSI_mutex_key key_LOCK_default_password_lifetime; +extern PSI_mutex_key key_LOCK_group_replication_handler; + +#ifdef HAVE_REPLICATION +extern PSI_mutex_key key_commit_order_manager_mutex; +extern PSI_mutex_key key_mutex_slave_worker_hash; +#endif + +extern PSI_rwlock_key key_rwlock_LOCK_grant, key_rwlock_LOCK_logger, + key_rwlock_LOCK_sys_init_connect, key_rwlock_LOCK_sys_init_slave, + key_rwlock_LOCK_system_variables_hash, key_rwlock_query_cache_query_lock, + key_rwlock_global_sid_lock, key_rwlock_gtid_mode_lock, + key_rwlock_channel_map_lock, key_rwlock_channel_lock; + +extern PSI_cond_key key_PAGE_cond, key_COND_active, key_COND_pool; +extern PSI_cond_key key_BINLOG_update_cond, + key_COND_cache_status_changed, key_COND_manager, + key_COND_server_started, + key_item_func_sleep_cond, key_master_info_data_cond, + key_master_info_start_cond, key_master_info_stop_cond, + key_master_info_sleep_cond, + key_relay_log_info_data_cond, key_relay_log_info_log_space_cond, + key_relay_log_info_start_cond, key_relay_log_info_stop_cond, + key_relay_log_info_sleep_cond, key_cond_slave_parallel_pend_jobs, + key_cond_slave_parallel_worker, key_cond_mts_gaq, + key_TABLE_SHARE_cond, key_user_level_lock_cond; +extern PSI_cond_key key_BINLOG_COND_done; +extern PSI_cond_key key_RELAYLOG_COND_done; +extern PSI_cond_key key_RELAYLOG_update_cond; +extern PSI_cond_key key_BINLOG_prep_xids_cond; +extern PSI_cond_key key_RELAYLOG_prep_xids_cond; +extern PSI_cond_key key_gtid_ensure_index_cond; +extern PSI_cond_key key_COND_compress_gtid_table; +extern PSI_cond_key key_COND_thr_lock; + +#ifdef HAVE_REPLICATION +extern PSI_cond_key key_cond_slave_worker_hash; +extern PSI_cond_key key_commit_order_manager_cond; +#endif +extern PSI_thread_key key_thread_bootstrap, + key_thread_handle_manager, key_thread_main, + key_thread_one_connection, key_thread_signal_hand, + key_thread_compress_gtid_table, key_thread_parser_service; +extern PSI_thread_key key_thread_timer_notifier; + +extern PSI_file_key key_file_map; +extern PSI_file_key key_file_binlog, key_file_binlog_cache, + key_file_binlog_index, key_file_binlog_index_cache, key_file_casetest, + key_file_dbopt, key_file_des_key_file, key_file_ERRMSG, key_select_to_file, + key_file_fileparser, key_file_frm, key_file_global_ddl_log, key_file_load, + key_file_loadfile, key_file_log_event_data, key_file_log_event_info, + key_file_master_info, key_file_misc, key_file_partition_ddl_log, + key_file_pid, key_file_relay_log_info, key_file_send_file, key_file_tclog, + key_file_trg, key_file_trn, key_file_init; +extern PSI_file_key key_file_general_log, key_file_slow_log; +extern PSI_file_key key_file_relaylog, key_file_relaylog_cache, key_file_relaylog_index, key_file_relaylog_index_cache; +extern PSI_socket_key key_socket_tcpip, key_socket_unix, key_socket_client_connection; + +void init_server_psi_keys(); + +C_MODE_END + +#endif /* HAVE_PSI_INTERFACE */ + +C_MODE_START + +extern PSI_memory_key key_memory_locked_table_list; +extern PSI_memory_key key_memory_locked_thread_list; +extern PSI_memory_key key_memory_thd_transactions; +extern PSI_memory_key key_memory_delegate; +extern PSI_memory_key key_memory_acl_mem; +extern PSI_memory_key key_memory_acl_memex; +extern PSI_memory_key key_memory_acl_cache; +extern PSI_memory_key key_memory_thd_main_mem_root; +extern PSI_memory_key key_memory_help; +extern PSI_memory_key key_memory_frm; +extern PSI_memory_key key_memory_table_share; +extern PSI_memory_key key_memory_gdl; +extern PSI_memory_key key_memory_table_triggers_list; +extern PSI_memory_key key_memory_prepared_statement_map; +extern PSI_memory_key key_memory_prepared_statement_main_mem_root; +extern PSI_memory_key key_memory_protocol_rset_root; +extern PSI_memory_key key_memory_warning_info_warn_root; +extern PSI_memory_key key_memory_sp_cache; +extern PSI_memory_key key_memory_sp_head_main_root; +extern PSI_memory_key key_memory_sp_head_execute_root; +extern PSI_memory_key key_memory_sp_head_call_root; +extern PSI_memory_key key_memory_table_mapping_root; +extern PSI_memory_key key_memory_quick_range_select_root; +extern PSI_memory_key key_memory_quick_index_merge_root; +extern PSI_memory_key key_memory_quick_ror_intersect_select_root; +extern PSI_memory_key key_memory_quick_ror_union_select_root; +extern PSI_memory_key key_memory_quick_group_min_max_select_root; +extern PSI_memory_key key_memory_test_quick_select_exec; +extern PSI_memory_key key_memory_prune_partitions_exec; +extern PSI_memory_key key_memory_binlog_recover_exec; +extern PSI_memory_key key_memory_blob_mem_storage; + +extern PSI_memory_key key_memory_Sys_var_charptr_value; +extern PSI_memory_key key_memory_THD_db; +extern PSI_memory_key key_memory_user_var_entry; +extern PSI_memory_key key_memory_user_var_entry_value; +extern PSI_memory_key key_memory_Slave_job_group_group_relay_log_name; +extern PSI_memory_key key_memory_Relay_log_info_group_relay_log_name; +extern PSI_memory_key key_memory_binlog_cache_mngr; +extern PSI_memory_key key_memory_Row_data_memory_memory; +extern PSI_memory_key key_memory_errmsgs; +extern PSI_memory_key key_memory_Event_queue_element_for_exec_names; +extern PSI_memory_key key_memory_Event_scheduler_scheduler_param; +extern PSI_memory_key key_memory_Gis_read_stream_err_msg; +extern PSI_memory_key key_memory_Geometry_objects_data; +extern PSI_memory_key key_memory_host_cache_hostname; +extern PSI_memory_key key_memory_User_level_lock; +extern PSI_memory_key key_memory_Filesort_info_record_pointers; +extern PSI_memory_key key_memory_Sort_param_tmp_buffer; +extern PSI_memory_key key_memory_Filesort_info_merge; +extern PSI_memory_key key_memory_Filesort_buffer_sort_keys; +extern PSI_memory_key key_memory_handler_errmsgs; +extern PSI_memory_key key_memory_handlerton; +extern PSI_memory_key key_memory_XID; +extern PSI_memory_key key_memory_MYSQL_LOCK; +extern PSI_memory_key key_memory_MYSQL_LOG_name; +extern PSI_memory_key key_memory_TC_LOG_MMAP_pages; +extern PSI_memory_key key_memory_my_str_malloc; +extern PSI_memory_key key_memory_MYSQL_BIN_LOG_basename; +extern PSI_memory_key key_memory_MYSQL_BIN_LOG_index; +extern PSI_memory_key key_memory_MYSQL_RELAY_LOG_basename; +extern PSI_memory_key key_memory_MYSQL_RELAY_LOG_index; +extern PSI_memory_key key_memory_rpl_filter; +extern PSI_memory_key key_memory_Security_context; +extern PSI_memory_key key_memory_NET_buff; +extern PSI_memory_key key_memory_NET_compress_packet; +extern PSI_memory_key key_memory_my_bitmap_map; +extern PSI_memory_key key_memory_QUICK_RANGE_SELECT_mrr_buf_desc; +extern PSI_memory_key key_memory_TABLE_RULE_ENT; +extern PSI_memory_key key_memory_Mutex_cond_array_Mutex_cond; +extern PSI_memory_key key_memory_Owned_gtids_sidno_to_hash; +extern PSI_memory_key key_memory_Sid_map_Node; +extern PSI_memory_key key_memory_bison_stack; +extern PSI_memory_key key_memory_TABLE_sort_io_cache; +extern PSI_memory_key key_memory_DATE_TIME_FORMAT; +extern PSI_memory_key key_memory_DDL_LOG_MEMORY_ENTRY; +extern PSI_memory_key key_memory_ST_SCHEMA_TABLE; +extern PSI_memory_key key_memory_ignored_db; +extern PSI_memory_key key_memory_SLAVE_INFO; +extern PSI_memory_key key_memory_log_event_old; +extern PSI_memory_key key_memory_HASH_ROW_ENTRY; +extern PSI_memory_key key_memory_table_def_memory; +extern PSI_memory_key key_memory_MPVIO_EXT_auth_info; +extern PSI_memory_key key_memory_LOG_POS_COORD; +extern PSI_memory_key key_memory_XID_STATE; +extern PSI_memory_key key_memory_Rpl_info_file_buffer; +extern PSI_memory_key key_memory_Rpl_info_table; +extern PSI_memory_key key_memory_binlog_pos; +extern PSI_memory_key key_memory_db_worker_hash_entry; +extern PSI_memory_key key_memory_rpl_slave_command_buffer; +extern PSI_memory_key key_memory_binlog_ver_1_event; +extern PSI_memory_key key_memory_rpl_slave_check_temp_dir; +extern PSI_memory_key key_memory_TABLE; +extern PSI_memory_key key_memory_binlog_statement_buffer; +extern PSI_memory_key key_memory_user_conn; +extern PSI_memory_key key_memory_dboptions_hash; +extern PSI_memory_key key_memory_hash_index_key_buffer; +extern PSI_memory_key key_memory_THD_handler_tables_hash; +extern PSI_memory_key key_memory_JOIN_CACHE; +extern PSI_memory_key key_memory_READ_INFO; +extern PSI_memory_key key_memory_partition_syntax_buffer; +extern PSI_memory_key key_memory_global_system_variables; +extern PSI_memory_key key_memory_THD_variables; +extern PSI_memory_key key_memory_PROFILE; +extern PSI_memory_key key_memory_LOG_name; +extern PSI_memory_key key_memory_string_iterator; +extern PSI_memory_key key_memory_frm_extra_segment_buff; +extern PSI_memory_key key_memory_frm_form_pos; +extern PSI_memory_key key_memory_frm_string; +extern PSI_memory_key key_memory_Unique_sort_buffer; +extern PSI_memory_key key_memory_Unique_merge_buffer; +extern PSI_memory_key key_memory_shared_memory_name; +extern PSI_memory_key key_memory_opt_bin_logname; +extern PSI_memory_key key_memory_Query_cache; +extern PSI_memory_key key_memory_READ_RECORD_cache; +extern PSI_memory_key key_memory_Quick_ranges; +extern PSI_memory_key key_memory_File_query_log_name; +extern PSI_memory_key key_memory_Table_trigger_dispatcher; +extern PSI_memory_key key_memory_show_slave_status_io_gtid_set; +extern PSI_memory_key key_memory_write_set_extraction; +extern PSI_memory_key key_memory_thd_timer; +extern PSI_memory_key key_memory_THD_Session_tracker; +extern PSI_memory_key key_memory_THD_Session_sysvar_resource_manager; +extern PSI_memory_key key_memory_get_all_tables; +extern PSI_memory_key key_memory_fill_schema_schemata; +extern PSI_memory_key key_memory_native_functions; +extern PSI_memory_key key_memory_JSON; + +C_MODE_END + +/* + MAINTAINER: Please keep this list in order, to limit merge collisions. + Hint: grep PSI_stage_info | sort -u +*/ +extern PSI_stage_info stage_after_create; +extern PSI_stage_info stage_allocating_local_table; +extern PSI_stage_info stage_alter_inplace_prepare; +extern PSI_stage_info stage_alter_inplace; +extern PSI_stage_info stage_alter_inplace_commit; +extern PSI_stage_info stage_changing_master; +extern PSI_stage_info stage_checking_master_version; +extern PSI_stage_info stage_checking_permissions; +extern PSI_stage_info stage_checking_privileges_on_cached_query; +extern PSI_stage_info stage_checking_query_cache_for_query; +extern PSI_stage_info stage_cleaning_up; +extern PSI_stage_info stage_closing_tables; +extern PSI_stage_info stage_compressing_gtid_table; +extern PSI_stage_info stage_connecting_to_master; +extern PSI_stage_info stage_converting_heap_to_ondisk; +extern PSI_stage_info stage_copying_to_group_table; +extern PSI_stage_info stage_copying_to_tmp_table; +extern PSI_stage_info stage_copy_to_tmp_table; +extern PSI_stage_info stage_creating_sort_index; +extern PSI_stage_info stage_creating_table; +extern PSI_stage_info stage_creating_tmp_table; +extern PSI_stage_info stage_deleting_from_main_table; +extern PSI_stage_info stage_deleting_from_reference_tables; +extern PSI_stage_info stage_discard_or_import_tablespace; +extern PSI_stage_info stage_end; +extern PSI_stage_info stage_executing; +extern PSI_stage_info stage_execution_of_init_command; +extern PSI_stage_info stage_explaining; +extern PSI_stage_info stage_finished_reading_one_binlog_switching_to_next_binlog; +extern PSI_stage_info stage_flushing_relay_log_and_master_info_repository; +extern PSI_stage_info stage_flushing_relay_log_info_file; +extern PSI_stage_info stage_freeing_items; +extern PSI_stage_info stage_fulltext_initialization; +extern PSI_stage_info stage_got_handler_lock; +extern PSI_stage_info stage_got_old_table; +extern PSI_stage_info stage_init; +extern PSI_stage_info stage_insert; +extern PSI_stage_info stage_invalidating_query_cache_entries_table; +extern PSI_stage_info stage_invalidating_query_cache_entries_table_list; +extern PSI_stage_info stage_killing_slave; +extern PSI_stage_info stage_logging_slow_query; +extern PSI_stage_info stage_making_temp_file_append_before_load_data; +extern PSI_stage_info stage_making_temp_file_create_before_load_data; +extern PSI_stage_info stage_manage_keys; +extern PSI_stage_info stage_master_has_sent_all_binlog_to_slave; +extern PSI_stage_info stage_opening_tables; +extern PSI_stage_info stage_optimizing; +extern PSI_stage_info stage_preparing; +extern PSI_stage_info stage_purging_old_relay_logs; +extern PSI_stage_info stage_query_end; +extern PSI_stage_info stage_queueing_master_event_to_the_relay_log; +extern PSI_stage_info stage_reading_event_from_the_relay_log; +extern PSI_stage_info stage_registering_slave_on_master; +extern PSI_stage_info stage_removing_duplicates; +extern PSI_stage_info stage_removing_tmp_table; +extern PSI_stage_info stage_rename; +extern PSI_stage_info stage_rename_result_table; +extern PSI_stage_info stage_requesting_binlog_dump; +extern PSI_stage_info stage_reschedule; +extern PSI_stage_info stage_searching_rows_for_update; +extern PSI_stage_info stage_sending_binlog_event_to_slave; +extern PSI_stage_info stage_sending_cached_result_to_client; +extern PSI_stage_info stage_sending_data; +extern PSI_stage_info stage_setup; +extern PSI_stage_info stage_slave_has_read_all_relay_log; +extern PSI_stage_info stage_slave_waiting_event_from_coordinator; +extern PSI_stage_info stage_slave_waiting_for_workers_to_process_queue; +extern PSI_stage_info stage_slave_waiting_worker_queue; +extern PSI_stage_info stage_slave_waiting_worker_to_free_events; +extern PSI_stage_info stage_slave_waiting_worker_to_release_partition; +extern PSI_stage_info stage_slave_waiting_workers_to_exit; +extern PSI_stage_info stage_sorting_for_group; +extern PSI_stage_info stage_sorting_for_order; +extern PSI_stage_info stage_sorting_result; +extern PSI_stage_info stage_sql_thd_waiting_until_delay; +extern PSI_stage_info stage_statistics; +extern PSI_stage_info stage_storing_result_in_query_cache; +extern PSI_stage_info stage_storing_row_into_queue; +extern PSI_stage_info stage_system_lock; +extern PSI_stage_info stage_update; +extern PSI_stage_info stage_updating; +extern PSI_stage_info stage_updating_main_table; +extern PSI_stage_info stage_updating_reference_tables; +extern PSI_stage_info stage_upgrading_lock; +extern PSI_stage_info stage_user_sleep; +extern PSI_stage_info stage_verifying_table; +extern PSI_stage_info stage_waiting_for_gtid_to_be_committed; +extern PSI_stage_info stage_waiting_for_handler_insert; +extern PSI_stage_info stage_waiting_for_handler_lock; +extern PSI_stage_info stage_waiting_for_handler_open; +extern PSI_stage_info stage_waiting_for_insert; +extern PSI_stage_info stage_waiting_for_master_to_send_event; +extern PSI_stage_info stage_waiting_for_master_update; +extern PSI_stage_info stage_waiting_for_relay_log_space; +extern PSI_stage_info stage_waiting_for_slave_mutex_on_exit; +extern PSI_stage_info stage_waiting_for_slave_thread_to_start; +extern PSI_stage_info stage_waiting_for_query_cache_lock; +extern PSI_stage_info stage_waiting_for_table_flush; +extern PSI_stage_info stage_waiting_for_the_next_event_in_relay_log; +extern PSI_stage_info stage_waiting_for_the_slave_thread_to_advance_position; +extern PSI_stage_info stage_waiting_to_finalize_termination; +extern PSI_stage_info stage_worker_waiting_for_its_turn_to_commit; +extern PSI_stage_info stage_worker_waiting_for_commit_parent; +extern PSI_stage_info stage_suspending; +extern PSI_stage_info stage_starting; +extern PSI_stage_info stage_waiting_for_no_channel_reference; +#ifdef HAVE_PSI_STATEMENT_INTERFACE +/** + Statement instrumentation keys (sql). + The last entry, at [SQLCOM_END], is for parsing errors. +*/ +extern PSI_statement_info sql_statement_info[(uint) SQLCOM_END + 1]; + +/** + Statement instrumentation keys (com). + The last entry, at [COM_END], is for packet errors. +*/ +extern PSI_statement_info com_statement_info[(uint) COM_END + 1]; + +/** + Statement instrumentation key for replication. +*/ +extern PSI_statement_info stmt_info_rpl; + +void init_sql_statement_info(); +void init_com_statement_info(); +#endif /* HAVE_PSI_STATEMENT_INTERFACE */ + +#ifndef _WIN32 +extern my_thread_t signal_thread; +#endif + +#ifdef HAVE_OPENSSL +extern struct st_VioSSLFd * ssl_acceptor_fd; +#endif /* HAVE_OPENSSL */ + +/* + The following variables were under INNODB_COMPABILITY_HOOKS + */ +extern my_bool opt_large_pages; +extern uint opt_large_page_size; +extern char lc_messages_dir[FN_REFLEN]; +extern char *lc_messages_dir_ptr; +extern const char *log_error_dest; +extern MYSQL_PLUGIN_IMPORT char reg_ext[FN_EXTLEN]; +extern MYSQL_PLUGIN_IMPORT uint reg_ext_length; +extern MYSQL_PLUGIN_IMPORT uint lower_case_table_names; +extern MYSQL_PLUGIN_IMPORT bool mysqld_embedded; + +extern long tc_heuristic_recover; + +extern ulong specialflag; +extern size_t mysql_data_home_len; +extern size_t mysql_real_data_home_len; +extern const char *mysql_real_data_home_ptr; +extern MYSQL_PLUGIN_IMPORT char *mysql_data_home; +extern "C" MYSQL_PLUGIN_IMPORT char server_version[SERVER_VERSION_LENGTH]; +extern MYSQL_PLUGIN_IMPORT char mysql_real_data_home[]; +extern char mysql_unpacked_real_data_home[]; +extern MYSQL_PLUGIN_IMPORT struct system_variables global_system_variables; +extern char default_logfile_name[FN_REFLEN]; + +#define mysql_tmpdir (my_tmpdir(&mysql_tmpdir_list)) + +extern MYSQL_PLUGIN_IMPORT const key_map key_map_empty; +extern MYSQL_PLUGIN_IMPORT key_map key_map_full; /* Should be threaded as const */ + +/* + Server mutex locks and condition variables. + */ +extern mysql_mutex_t + LOCK_item_func_sleep, LOCK_status, + LOCK_uuid_generator, + LOCK_crypt, LOCK_timezone, + LOCK_slave_list, LOCK_manager, + LOCK_global_system_variables, LOCK_user_conn, LOCK_log_throttle_qni, + LOCK_prepared_stmt_count, LOCK_error_messages, + LOCK_sql_slave_skip_counter, LOCK_slave_net_timeout, + LOCK_offline_mode, LOCK_default_password_lifetime; +#ifdef HAVE_OPENSSL +extern char* des_key_file; +extern mysql_mutex_t LOCK_des_key_file; +#endif +extern mysql_mutex_t LOCK_server_started; +extern mysql_cond_t COND_server_started; +extern mysql_mutex_t LOCK_reset_gtid_table; +extern mysql_mutex_t LOCK_compress_gtid_table; +extern mysql_cond_t COND_compress_gtid_table; +extern mysql_rwlock_t LOCK_sys_init_connect, LOCK_sys_init_slave; +extern mysql_rwlock_t LOCK_system_variables_hash; +extern mysql_cond_t COND_manager; +extern int32 thread_running; +extern mysql_mutex_t LOCK_group_replication_handler; + +extern char *opt_ssl_ca, *opt_ssl_capath, *opt_ssl_cert, *opt_ssl_cipher, + *opt_ssl_key, *opt_ssl_crl, *opt_ssl_crlpath, *opt_tls_version; + + +extern char *opt_disabled_storage_engines; +/** + only options that need special treatment in get_one_option() deserve + to be listed below +*/ +enum options_mysqld +{ + OPT_to_set_the_start_number=256, + OPT_BIND_ADDRESS, + OPT_BINLOG_CHECKSUM, + OPT_BINLOG_DO_DB, + OPT_BINLOG_FORMAT, + OPT_BINLOG_MAX_FLUSH_QUEUE_TIME, + OPT_BINLOG_IGNORE_DB, + OPT_BIN_LOG, + OPT_BOOTSTRAP, + OPT_CONSOLE, + OPT_DEBUG_SYNC_TIMEOUT, + OPT_DELAY_KEY_WRITE_ALL, + OPT_ISAM_LOG, + OPT_IGNORE_DB_DIRECTORY, + OPT_KEY_BUFFER_SIZE, + OPT_KEY_CACHE_AGE_THRESHOLD, + OPT_KEY_CACHE_BLOCK_SIZE, + OPT_KEY_CACHE_DIVISION_LIMIT, + OPT_LC_MESSAGES_DIRECTORY, + OPT_LOWER_CASE_TABLE_NAMES, + OPT_MASTER_RETRY_COUNT, + OPT_MASTER_VERIFY_CHECKSUM, + OPT_POOL_OF_THREADS, + OPT_REPLICATE_DO_DB, + OPT_REPLICATE_DO_TABLE, + OPT_REPLICATE_IGNORE_DB, + OPT_REPLICATE_IGNORE_TABLE, + OPT_REPLICATE_REWRITE_DB, + OPT_REPLICATE_WILD_DO_TABLE, + OPT_REPLICATE_WILD_IGNORE_TABLE, + OPT_SERVER_ID, + OPT_SKIP_HOST_CACHE, + OPT_SKIP_LOCK, + OPT_SKIP_NEW, + OPT_SKIP_RESOLVE, + OPT_SKIP_STACK_TRACE, + OPT_SKIP_SYMLINKS, + OPT_SLAVE_SQL_VERIFY_CHECKSUM, + OPT_SSL_CA, + OPT_SSL_CAPATH, + OPT_SSL_CERT, + OPT_SSL_CIPHER, + OPT_TLS_VERSION, + OPT_SSL_KEY, + OPT_UPDATE_LOG, + OPT_WANT_CORE, + OPT_LOG_ERROR, + OPT_MAX_LONG_DATA_SIZE, + OPT_EARLY_PLUGIN_LOAD, + OPT_PLUGIN_LOAD, + OPT_PLUGIN_LOAD_ADD, + OPT_SSL_CRL, + OPT_SSL_CRLPATH, + OPT_PFS_INSTRUMENT, + OPT_DEFAULT_AUTH, + OPT_SECURE_AUTH, + OPT_THREAD_CACHE_SIZE, + OPT_HOST_CACHE_SIZE, + OPT_TABLE_DEFINITION_CACHE, + OPT_MDL_CACHE_SIZE, + OPT_MDL_HASH_INSTANCES, + OPT_SKIP_INNODB, + OPT_AVOID_TEMPORAL_UPGRADE, + OPT_SHOW_OLD_TEMPORALS, + OPT_ENFORCE_GTID_CONSISTENCY, + OPT_TRANSACTION_READ_ONLY, + OPT_TRANSACTION_ISOLATION +}; + + +/** + 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), + /// When printing a SELECT, add its number (select_lex->number) + QT_SHOW_SELECT_NUMBER= (1 << 2), + /// Don't print a database if it's equal to the connection's database + QT_NO_DEFAULT_DB= (1 << 3), + /// When printing a derived table, don't print its expression, only alias + QT_DERIVED_TABLE_ONLY_ALIAS= (1 << 4), + /// Print in charset of Item::print() argument (typically thd->charset()). + QT_TO_ARGUMENT_CHARSET= (1 << 5), + /// Print identifiers without database's name + QT_NO_DB= (1 << 6), + /// Print identifiers without table's name + QT_NO_TABLE= (1 << 7), + /** + Change all Item_basic_constant to ? (used by query rewrite to compute + digest.) Un-resolved hints will also be printed in this format. + */ + QT_NORMALIZED_FORMAT= (1 << 8), + /** + If an expression is constant, print the expression, not the value + it evaluates to. Should be used for error messages, so that they + don't reveal values. + */ + QT_NO_DATA_EXPANSION= (1 << 9), +}; + +/* query_id */ +typedef int64 query_id_t; +extern query_id_t global_query_id; + +/* increment query_id and return it. */ +inline MY_ATTRIBUTE((warn_unused_result)) query_id_t next_query_id() +{ + query_id_t id= my_atomic_add64(&global_query_id, 1); + return (id+1); +} + +/* + TODO: Replace this with an inline function. + */ +#ifndef EMBEDDED_LIBRARY +extern "C" void unireg_abort(int exit_code) MY_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 + +#if defined(MYSQL_DYNAMIC_PLUGIN) && defined(_WIN32) +extern "C" THD *_current_thd_noinline(); +#define _current_thd() _current_thd_noinline() +#else +static inline THD *_current_thd(void) +{ + return my_thread_get_THR_THD(); +} +#endif +#define current_thd _current_thd() + +#define ER(X) ER_THD(current_thd,X) + +#endif /* MYSQLD_INCLUDED */ -- cgit v1.1