3006
3155
OPT_ENABLE_LARGE_PAGES,
3007
3156
OPT_TIMED_MUTEXES,
3008
3157
OPT_OLD_STYLE_USER_LIMITS,
3158
OPT_LOG_SLOW_ADMIN_STATEMENTS,
3009
3159
OPT_TABLE_LOCK_WAIT_TIMEOUT,
3010
3160
OPT_PLUGIN_LOAD,
3011
3161
OPT_PLUGIN_DIR,
3012
3163
OPT_PORT_OPEN_TIMEOUT,
3014
3165
OPT_KEEP_FILES_ON_CREATE,
3015
3166
OPT_GENERAL_LOG,
3016
3168
OPT_THREAD_HANDLING,
3017
3169
OPT_INNODB_ROLLBACK_ON_TIMEOUT,
3018
3170
OPT_SECURE_FILE_PRIV,
3019
3171
OPT_MIN_EXAMINED_ROW_LIMIT,
3172
OPT_LOG_SLOW_SLAVE_STATEMENTS,
3021
3174
OPT_POOL_OF_THREADS,
3022
3175
OPT_SLAVE_EXEC_MODE
3026
#define LONG_TIMEOUT ((uint32_t) 3600L*24L*365L)
3179
#define LONG_TIMEOUT ((ulong) 3600L*24L*365L)
3028
3181
struct my_option my_long_options[] =
3030
{"help", '?', N_("Display this help and exit."),
3031
(char**) &opt_help, (char**) &opt_help, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
3183
{"help", '?', "Display this help and exit.",
3184
(uchar**) &opt_help, (uchar**) &opt_help, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
3033
3186
{"abort-slave-event-count", OPT_ABORT_SLAVE_EVENT_COUNT,
3034
N_("Option used by mysql-test for debugging and testing of replication."),
3035
(char**) &abort_slave_event_count, (char**) &abort_slave_event_count,
3187
"Option used by mysql-test for debugging and testing of replication.",
3188
(uchar**) &abort_slave_event_count, (uchar**) &abort_slave_event_count,
3036
3189
0, GET_INT, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3190
{"ansi", 'a', "Use ANSI SQL syntax instead of MySQL syntax. This mode will also set transaction isolation level 'serializable'.", 0, 0, 0,
3191
GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
3037
3192
{"auto-increment-increment", OPT_AUTO_INCREMENT,
3038
N_("Auto-increment columns are incremented by this"),
3039
(char**) &global_system_variables.auto_increment_increment,
3040
(char**) &max_system_variables.auto_increment_increment, 0, GET_ULONG,
3193
"Auto-increment columns are incremented by this",
3194
(uchar**) &global_system_variables.auto_increment_increment,
3195
(uchar**) &max_system_variables.auto_increment_increment, 0, GET_ULONG,
3041
3196
OPT_ARG, 1, 1, 65535, 0, 1, 0 },
3042
3197
{"auto-increment-offset", OPT_AUTO_INCREMENT_OFFSET,
3043
N_("Offset added to Auto-increment columns. Used when "
3044
"auto-increment-increment != 1"),
3045
(char**) &global_system_variables.auto_increment_offset,
3046
(char**) &max_system_variables.auto_increment_offset, 0, GET_ULONG, OPT_ARG,
3198
"Offset added to Auto-increment columns. Used when auto-increment-increment != 1",
3199
(uchar**) &global_system_variables.auto_increment_offset,
3200
(uchar**) &max_system_variables.auto_increment_offset, 0, GET_ULONG, OPT_ARG,
3047
3201
1, 1, 65535, 0, 1, 0 },
3048
3202
{"basedir", 'b',
3049
N_("Path to installation directory. All paths are usually resolved "
3050
"relative to this."),
3051
(char**) &mysql_home_ptr, (char**) &mysql_home_ptr, 0, GET_STR, REQUIRED_ARG,
3203
"Path to installation directory. All paths are usually resolved relative to this.",
3204
(uchar**) &mysql_home_ptr, (uchar**) &mysql_home_ptr, 0, GET_STR, REQUIRED_ARG,
3052
3205
0, 0, 0, 0, 0, 0},
3053
{"bind-address", OPT_BIND_ADDRESS, N_("IP address to bind to."),
3054
(char**) &my_bind_addr_str, (char**) &my_bind_addr_str, 0, GET_STR,
3206
{"big-tables", OPT_BIG_TABLES,
3207
"Allow big result sets by saving all temporary sets on file (Solves most 'table full' errors).",
3208
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
3209
{"bind-address", OPT_BIND_ADDRESS, "IP address to bind to.",
3210
(uchar**) &my_bind_addr_str, (uchar**) &my_bind_addr_str, 0, GET_STR,
3055
3211
REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3056
3212
{"binlog_format", OPT_BINLOG_FORMAT,
3057
N_("Does not have any effect without '--log-bin'. "
3058
"Tell the master the form of binary logging to use: either 'row' for "
3059
"row-based binary logging, or 'statement' for statement-based binary "
3060
"logging, or 'mixed'. 'mixed' is statement-based binary logging except "
3061
"for those statements where only row-based is correct: those which "
3062
"involve user-defined functions (i.e. UDFs) or the UUID() function; for "
3063
"those, row-based binary logging is automatically used. ")
3064
,(char**) &opt_binlog_format, (char**) &opt_binlog_format,
3213
"Does not have any effect without '--log-bin'. "
3214
"Tell the master the form of binary logging to use: either 'row' for "
3215
"row-based binary logging, or 'statement' for statement-based binary "
3216
"logging, or 'mixed'. 'mixed' is statement-based binary logging except "
3217
"for those statements where only row-based is correct: those which "
3218
"involve user-defined functions (i.e. UDFs) or the UUID() function; for "
3219
"those, row-based binary logging is automatically used. "
3220
,(uchar**) &opt_binlog_format, (uchar**) &opt_binlog_format,
3065
3221
0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3066
3222
{"binlog-do-db", OPT_BINLOG_DO_DB,
3067
N_("Tells the master it should log updates for the specified database, and "
3068
"exclude all others not explicitly mentioned."),
3223
"Tells the master it should log updates for the specified database, and exclude all others not explicitly mentioned.",
3069
3224
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3070
3225
{"binlog-ignore-db", OPT_BINLOG_IGNORE_DB,
3071
N_("Tells the master that updates to the given database should not "
3072
"be logged tothe binary log."),
3226
"Tells the master that updates to the given database should not be logged tothe binary log.",
3073
3227
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3074
3228
{"binlog-row-event-max-size", OPT_BINLOG_ROWS_EVENT_MAX_SIZE,
3075
N_("The maximum size of a row-based binary log event in bytes. Rows will "
3076
"be grouped into events smaller than this size if possible. "
3077
"The value has to be a multiple of 256."),
3078
(char**) &opt_binlog_rows_event_max_size,
3079
(char**) &opt_binlog_rows_event_max_size, 0,
3080
GET_ULONG, REQUIRED_ARG,
3081
/* def_value */ 1024, /* min_value */ 256, /* max_value */ ULONG_MAX,
3082
/* sub_size */ 0, /* block_size */ 256,
3229
"The maximum size of a row-based binary log event in bytes. Rows will be "
3230
"grouped into events smaller than this size if possible. "
3231
"The value has to be a multiple of 256.",
3232
(uchar**) &opt_binlog_rows_event_max_size,
3233
(uchar**) &opt_binlog_rows_event_max_size, 0,
3234
GET_ULONG, REQUIRED_ARG,
3235
/* def_value */ 1024, /* min_value */ 256, /* max_value */ ULONG_MAX,
3236
/* sub_size */ 0, /* block_size */ 256,
3083
3237
/* app_type */ 0
3239
#ifndef DISABLE_GRANT_OPTIONS
3240
{"bootstrap", OPT_BOOTSTRAP, "Used by mysql installation scripts.", 0, 0, 0,
3241
GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
3085
3243
{"character-set-client-handshake", OPT_CHARACTER_SET_CLIENT_HANDSHAKE,
3086
N_("Don't ignore client side character set value sent during handshake."),
3087
(char**) &opt_character_set_client_handshake,
3088
(char**) &opt_character_set_client_handshake,
3244
"Don't ignore client side character set value sent during handshake.",
3245
(uchar**) &opt_character_set_client_handshake,
3246
(uchar**) &opt_character_set_client_handshake,
3089
3247
0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0},
3090
3248
{"character-set-filesystem", OPT_CHARACTER_SET_FILESYSTEM,
3091
N_("Set the filesystem character set."),
3092
(char**) &character_set_filesystem_name,
3093
(char**) &character_set_filesystem_name,
3249
"Set the filesystem character set.",
3250
(uchar**) &character_set_filesystem_name,
3251
(uchar**) &character_set_filesystem_name,
3094
3252
0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 },
3095
{"character-set-server", 'C',
3096
N_("Set the default character set."),
3097
(char**) &default_character_set_name, (char**) &default_character_set_name,
3253
{"character-set-server", 'C', "Set the default character set.",
3254
(uchar**) &default_character_set_name, (uchar**) &default_character_set_name,
3098
3255
0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 },
3099
3256
{"character-sets-dir", OPT_CHARSETS_DIR,
3100
N_("Directory where character sets are."), (char**) &charsets_dir,
3101
(char**) &charsets_dir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3103
N_("Chroot mysqld daemon during startup."),
3104
(char**) &mysqld_chroot, (char**) &mysqld_chroot, 0, GET_STR, REQUIRED_ARG,
3257
"Directory where character sets are.", (uchar**) &charsets_dir,
3258
(uchar**) &charsets_dir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3259
{"chroot", 'r', "Chroot mysqld daemon during startup.",
3260
(uchar**) &mysqld_chroot, (uchar**) &mysqld_chroot, 0, GET_STR, REQUIRED_ARG,
3105
3261
0, 0, 0, 0, 0, 0},
3106
{"collation-server", OPT_DEFAULT_COLLATION,
3107
N_("Set the default collation."),
3108
(char**) &default_collation_name, (char**) &default_collation_name,
3262
{"collation-server", OPT_DEFAULT_COLLATION, "Set the default collation.",
3263
(uchar**) &default_collation_name, (uchar**) &default_collation_name,
3109
3264
0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 },
3110
{"completion-type", OPT_COMPLETION_TYPE,
3111
N_("Default completion type."),
3112
(char**) &global_system_variables.completion_type,
3113
(char**) &max_system_variables.completion_type, 0, GET_ULONG,
3265
{"completion-type", OPT_COMPLETION_TYPE, "Default completion type.",
3266
(uchar**) &global_system_variables.completion_type,
3267
(uchar**) &max_system_variables.completion_type, 0, GET_ULONG,
3114
3268
REQUIRED_ARG, 0, 0, 2, 0, 1, 0},
3115
{"console", OPT_CONSOLE,
3116
N_("Write error output on screen."),
3117
(char**) &opt_console, (char**) &opt_console, 0, GET_BOOL, NO_ARG, 0, 0, 0,
3269
{"console", OPT_CONSOLE, "Write error output on screen; Don't remove the console window on windows.",
3270
(uchar**) &opt_console, (uchar**) &opt_console, 0, GET_BOOL, NO_ARG, 0, 0, 0,
3119
{"core-file", OPT_WANT_CORE,
3120
N_("Write core on errors."),
3121
0, 0, 0, GET_NO_ARG,
3272
{"core-file", OPT_WANT_CORE, "Write core on errors.", 0, 0, 0, GET_NO_ARG,
3122
3273
NO_ARG, 0, 0, 0, 0, 0, 0},
3124
N_("Path to the database root."),
3125
(char**) &mysql_data_home,
3126
(char**) &mysql_data_home, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3274
{"datadir", 'h', "Path to the database root.", (uchar**) &mysql_data_home,
3275
(uchar**) &mysql_data_home, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3277
{"debug", '#', "Debug log.", (uchar**) &default_dbug_option,
3278
(uchar**) &default_dbug_option, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
3280
{"default-character-set", 'C', "Set the default character set (deprecated option, use --character-set-server instead).",
3281
(uchar**) &default_character_set_name, (uchar**) &default_character_set_name,
3282
0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 },
3283
{"default-collation", OPT_DEFAULT_COLLATION, "Set the default collation (deprecated option, use --collation-server instead).",
3284
(uchar**) &default_collation_name, (uchar**) &default_collation_name,
3285
0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 },
3127
3286
{"default-storage-engine", OPT_STORAGE_ENGINE,
3128
N_("Set the default storage engine (table type) for tables."),
3129
(char**)&default_storage_engine_str, (char**)&default_storage_engine_str,
3130
0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3131
{"default-time-zone", OPT_DEFAULT_TIME_ZONE,
3132
N_("Set the default time zone."),
3133
(char**) &default_tz_name, (char**) &default_tz_name,
3287
"Set the default storage engine (table type) for tables.",
3288
(uchar**)&default_storage_engine_str, (uchar**)&default_storage_engine_str,
3289
0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3290
{"default-table-type", OPT_STORAGE_ENGINE,
3291
"(deprecated) Use --default-storage-engine.",
3292
(uchar**)&default_storage_engine_str, (uchar**)&default_storage_engine_str,
3293
0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3294
{"default-time-zone", OPT_DEFAULT_TIME_ZONE, "Set the default time zone.",
3295
(uchar**) &default_tz_name, (uchar**) &default_tz_name,
3134
3296
0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 },
3135
{"delay-key-write", OPT_DELAY_KEY_WRITE,
3136
N_("Type of DELAY_KEY_WRITE."),
3297
{"delay-key-write", OPT_DELAY_KEY_WRITE, "Type of DELAY_KEY_WRITE.",
3137
3298
0,0,0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
3299
{"delay-key-write-for-all-tables", OPT_DELAY_KEY_WRITE_ALL,
3300
"Don't flush key buffers between writes for any MyISAM table (Deprecated option, use --delay-key-write=all instead).",
3301
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
3138
3302
{"disconnect-slave-event-count", OPT_DISCONNECT_SLAVE_EVENT_COUNT,
3139
N_("Option used by mysql-test for debugging and testing of replication."),
3140
(char**) &disconnect_slave_event_count,
3141
(char**) &disconnect_slave_event_count, 0, GET_INT, REQUIRED_ARG, 0, 0, 0,
3303
"Option used by mysql-test for debugging and testing of replication.",
3304
(uchar**) &disconnect_slave_event_count,
3305
(uchar**) &disconnect_slave_event_count, 0, GET_INT, REQUIRED_ARG, 0, 0, 0,
3143
3307
#ifdef HAVE_STACK_TRACE_ON_SEGV
3144
{"enable-pstack", OPT_DO_PSTACK,
3145
N_("Print a symbolic stack trace on failure."),
3146
(char**) &opt_do_pstack, (char**) &opt_do_pstack, 0, GET_BOOL, NO_ARG, 0, 0,
3308
{"enable-pstack", OPT_DO_PSTACK, "Print a symbolic stack trace on failure.",
3309
(uchar**) &opt_do_pstack, (uchar**) &opt_do_pstack, 0, GET_BOOL, NO_ARG, 0, 0,
3148
3311
#endif /* HAVE_STACK_TRACE_ON_SEGV */
3149
3312
{"engine-condition-pushdown",
3150
3313
OPT_ENGINE_CONDITION_PUSHDOWN,
3151
N_("Push supported query conditions to the storage engine."),
3152
(char**) &global_system_variables.engine_condition_pushdown,
3153
(char**) &global_system_variables.engine_condition_pushdown,
3314
"Push supported query conditions to the storage engine.",
3315
(uchar**) &global_system_variables.engine_condition_pushdown,
3316
(uchar**) &global_system_variables.engine_condition_pushdown,
3154
3317
0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0},
3155
3318
/* See how it's handled in get_one_option() */
3157
N_("Used for debugging; Use at your own risk!"),
3158
0, 0, 0, GET_LONG, OPT_ARG, 0, 0, 0, 0, 0, 0},
3159
{"flush", OPT_FLUSH,
3160
N_("Flush tables to disk between SQL commands."),
3161
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
3319
{"exit-info", 'T', "Used for debugging; Use at your own risk!", 0, 0, 0,
3320
GET_LONG, OPT_ARG, 0, 0, 0, 0, 0, 0},
3321
{"flush", OPT_FLUSH, "Flush tables to disk between SQL commands.", 0, 0, 0,
3322
GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
3162
3323
/* We must always support the next option to make scripts like mysqltest
3163
3324
easier to do */
3164
3325
{"gdb", OPT_DEBUGGING,
3165
N_("Set up signals usable for debugging"),
3166
(char**) &opt_debugging, (char**) &opt_debugging,
3326
"Set up signals usable for debugging",
3327
(uchar**) &opt_debugging, (uchar**) &opt_debugging,
3167
3328
0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
3168
{"init-connect", OPT_INIT_CONNECT,
3169
N_("Command(s) that are executed for each new connection"),
3170
(char**) &opt_init_connect, (char**) &opt_init_connect, 0, GET_STR_ALLOC,
3329
{"general-log", OPT_GENERAL_LOG,
3330
"Enable|disable general log", (uchar**) &opt_log,
3331
(uchar**) &opt_log, 0, GET_BOOL, OPT_ARG, 0, 0, 0, 0, 0, 0},
3332
{"init-connect", OPT_INIT_CONNECT, "Command(s) that are executed for each new connection",
3333
(uchar**) &opt_init_connect, (uchar**) &opt_init_connect, 0, GET_STR_ALLOC,
3171
3334
REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3172
{"init-file", OPT_INIT_FILE,
3173
N_("Read SQL commands from this file at startup."),
3174
(char**) &opt_init_file, (char**) &opt_init_file, 0, GET_STR, REQUIRED_ARG,
3335
{"init-file", OPT_INIT_FILE, "Read SQL commands from this file at startup.",
3336
(uchar**) &opt_init_file, (uchar**) &opt_init_file, 0, GET_STR, REQUIRED_ARG,
3175
3337
0, 0, 0, 0, 0, 0},
3176
{"init-slave", OPT_INIT_SLAVE,
3177
N_("Command(s) that are executed when a slave connects to this master"),
3178
(char**) &opt_init_slave, (char**) &opt_init_slave, 0, GET_STR_ALLOC,
3338
{"init-slave", OPT_INIT_SLAVE, "Command(s) that are executed when a slave connects to this master",
3339
(uchar**) &opt_init_slave, (uchar**) &opt_init_slave, 0, GET_STR_ALLOC,
3179
3340
REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3180
3341
{"language", 'L',
3182
(char**) &language_ptr, (char**) &language_ptr, 0, GET_STR, REQUIRED_ARG,
3342
"Client error messages in given language. May be given as a full path.",
3343
(uchar**) &language_ptr, (uchar**) &language_ptr, 0, GET_STR, REQUIRED_ARG,
3183
3344
0, 0, 0, 0, 0, 0},
3184
3345
{"lc-time-names", OPT_LC_TIME_NAMES,
3185
N_("Set the language used for the month names and the days of the week."),
3186
(char**) &lc_time_names_name,
3187
(char**) &lc_time_names_name,
3346
"Set the language used for the month names and the days of the week.",
3347
(uchar**) &lc_time_names_name,
3348
(uchar**) &lc_time_names_name,
3188
3349
0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 },
3189
3350
{"local-infile", OPT_LOCAL_INFILE,
3190
N_("Enable/disable LOAD DATA LOCAL INFILE (takes values 1|0)."),
3191
(char**) &opt_local_infile,
3192
(char**) &opt_local_infile, 0, GET_BOOL, OPT_ARG,
3351
"Enable/disable LOAD DATA LOCAL INFILE (takes values 1|0).",
3352
(uchar**) &opt_local_infile,
3353
(uchar**) &opt_local_infile, 0, GET_BOOL, OPT_ARG,
3193
3354
1, 0, 0, 0, 0, 0},
3195
N_("Log connections and queries to file."),
3196
(char**) &opt_logname,
3197
(char**) &opt_logname, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
3355
{"log", 'l', "Log connections and queries to file.", (uchar**) &opt_logname,
3356
(uchar**) &opt_logname, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
3198
3357
{"log-bin", OPT_BIN_LOG,
3199
N_("Log update queries in binary format. Optional argument is the "
3200
"location for the binary log files.(Strongly "
3201
"recommended to avoid replication problems if server's hostname "
3203
(char**) &opt_bin_logname, (char**) &opt_bin_logname, 0, GET_STR_ALLOC,
3358
"Log update queries in binary format. Optional (but strongly recommended "
3359
"to avoid replication problems if server's hostname changes) argument "
3360
"should be the chosen location for the binary log files.",
3361
(uchar**) &opt_bin_logname, (uchar**) &opt_bin_logname, 0, GET_STR_ALLOC,
3204
3362
OPT_ARG, 0, 0, 0, 0, 0, 0},
3205
3363
{"log-bin-index", OPT_BIN_LOG_INDEX,
3206
N_("File that holds the names for last binary log files."),
3207
(char**) &opt_binlog_index_name, (char**) &opt_binlog_index_name, 0, GET_STR,
3364
"File that holds the names for last binary log files.",
3365
(uchar**) &opt_binlog_index_name, (uchar**) &opt_binlog_index_name, 0, GET_STR,
3208
3366
REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3209
{"log-error", OPT_ERROR_LOG_FILE,
3210
N_("Error log file."),
3211
(char**) &log_error_file_ptr, (char**) &log_error_file_ptr, 0, GET_STR,
3212
OPT_ARG, 0, 0, 0, 0, 0, 0},
3213
{"log-isam", OPT_ISAM_LOG,
3214
N_("Log all MyISAM changes to file."),
3215
(char**) &myisam_log_filename, (char**) &myisam_log_filename, 0, GET_STR,
3216
OPT_ARG, 0, 0, 0, 0, 0, 0},
3368
This option starts with "log-bin" to emphasize that it is specific of
3371
{"log-bin-trust-function-creators", OPT_LOG_BIN_TRUST_FUNCTION_CREATORS,
3372
"If equal to 0 (the default), then when --log-bin is used, creation of "
3373
"a stored function (or trigger) is allowed only to users having the SUPER privilege "
3374
"and only if this stored function (trigger) may not break binary logging."
3375
"Note that if ALL connections to this server ALWAYS use row-based binary "
3376
"logging, the security issues do not exist and the binary logging cannot "
3377
"break, so you can safely set this to 1."
3378
,(uchar**) &trust_function_creators, (uchar**) &trust_function_creators, 0,
3379
GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
3380
{"log-error", OPT_ERROR_LOG_FILE, "Error log file.",
3381
(uchar**) &log_error_file_ptr, (uchar**) &log_error_file_ptr, 0, GET_STR,
3382
OPT_ARG, 0, 0, 0, 0, 0, 0},
3383
{"log-isam", OPT_ISAM_LOG, "Log all MyISAM changes to file.",
3384
(uchar**) &myisam_log_filename, (uchar**) &myisam_log_filename, 0, GET_STR,
3385
OPT_ARG, 0, 0, 0, 0, 0, 0},
3386
{"log-long-format", '0',
3387
"Log some extra information to update log. Please note that this option is deprecated; see --log-short-format option.",
3388
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
3389
#ifdef WITH_CSV_STORAGE_ENGINE
3390
{"log-output", OPT_LOG_OUTPUT,
3391
"Syntax: log-output[=value[,value...]], where \"value\" could be TABLE, "
3393
(uchar**) &log_output_str, (uchar**) &log_output_str, 0,
3394
GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
3396
{"log-queries-not-using-indexes", OPT_LOG_QUERIES_NOT_USING_INDEXES,
3397
"Log queries that are executed without benefit of any index to the slow log if it is open.",
3398
(uchar**) &opt_log_queries_not_using_indexes, (uchar**) &opt_log_queries_not_using_indexes,
3399
0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
3400
{"log-short-format", OPT_SHORT_LOG_FORMAT,
3401
"Don't log extra information to update and slow-query logs.",
3402
(uchar**) &opt_short_log_format, (uchar**) &opt_short_log_format,
3403
0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
3217
3404
{"log-slave-updates", OPT_LOG_SLAVE_UPDATES,
3218
N_("Tells the slave to log the updates from the slave thread to the binary "
3219
"log. You will need to turn it on if you plan to "
3220
"daisy-chain the slaves."),
3221
(char**) &opt_log_slave_updates, (char**) &opt_log_slave_updates,
3405
"Tells the slave to log the updates from the slave thread to the binary log. You will need to turn it on if you plan to daisy-chain the slaves.",
3406
(uchar**) &opt_log_slave_updates, (uchar**) &opt_log_slave_updates, 0, GET_BOOL,
3223
3407
NO_ARG, 0, 0, 0, 0, 0, 0},
3408
{"log-slow-admin-statements", OPT_LOG_SLOW_ADMIN_STATEMENTS,
3409
"Log slow OPTIMIZE, ANALYZE, ALTER and other administrative statements to the slow log if it is open.",
3410
(uchar**) &opt_log_slow_admin_statements,
3411
(uchar**) &opt_log_slow_admin_statements,
3412
0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
3413
{"log-slow-slave-statements", OPT_LOG_SLOW_SLAVE_STATEMENTS,
3414
"Log slow statements executed by slave thread to the slow log if it is open.",
3415
(uchar**) &opt_log_slow_slave_statements,
3416
(uchar**) &opt_log_slow_slave_statements,
3417
0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
3418
{"log-slow-queries", OPT_SLOW_QUERY_LOG,
3419
"Log slow queries to a table or log file. Defaults logging to table mysql.slow_log or hostname-slow.log if --log-output=file is used. Must be enabled to activate other slow log options.",
3420
(uchar**) &opt_slow_logname, (uchar**) &opt_slow_logname, 0, GET_STR, OPT_ARG,
3224
3422
{"log-tc", OPT_LOG_TC,
3225
N_("Path to transaction coordinator log (used for transactions that affect "
3226
"more than one storage engine, when binary log is disabled)"),
3227
(char**) &opt_tc_log_file, (char**) &opt_tc_log_file, 0, GET_STR,
3423
"Path to transaction coordinator log (used for transactions that affect "
3424
"more than one storage engine, when binary log is disabled)",
3425
(uchar**) &opt_tc_log_file, (uchar**) &opt_tc_log_file, 0, GET_STR,
3228
3426
REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3229
3427
#ifdef HAVE_MMAP
3230
{"log-tc-size", OPT_LOG_TC_SIZE,
3231
N_("Size of transaction coordinator log."),
3232
(char**) &opt_tc_log_size, (char**) &opt_tc_log_size, 0, GET_ULONG,
3428
{"log-tc-size", OPT_LOG_TC_SIZE, "Size of transaction coordinator log.",
3429
(uchar**) &opt_tc_log_size, (uchar**) &opt_tc_log_size, 0, GET_ULONG,
3233
3430
REQUIRED_ARG, TC_LOG_MIN_SIZE, TC_LOG_MIN_SIZE, ULONG_MAX, 0,
3234
3431
TC_LOG_PAGE_SIZE, 0},
3236
{"log-warnings", 'W',
3237
N_("Log some not critical warnings to the log file."),
3238
(char**) &global_system_variables.log_warnings,
3239
(char**) &max_system_variables.log_warnings, 0, GET_ULONG, OPT_ARG, 1, 0, 0,
3433
{"log-warnings", 'W', "Log some not critical warnings to the log file.",
3434
(uchar**) &global_system_variables.log_warnings,
3435
(uchar**) &max_system_variables.log_warnings, 0, GET_ULONG, OPT_ARG, 1, 0, 0,
3241
3437
{"low-priority-updates", OPT_LOW_PRIORITY_UPDATES,
3242
N_("INSERT/DELETE/UPDATE has lower priority than selects."),
3243
(char**) &global_system_variables.low_priority_updates,
3244
(char**) &max_system_variables.low_priority_updates,
3438
"INSERT/DELETE/UPDATE has lower priority than selects.",
3439
(uchar**) &global_system_variables.low_priority_updates,
3440
(uchar**) &max_system_variables.low_priority_updates,
3245
3441
0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
3246
3442
{"master-info-file", OPT_MASTER_INFO_FILE,
3247
N_("The location and name of the file that remembers the master and "
3248
"where the I/O replication thread is in the master's binlogs."),
3249
(char**) &master_info_file, (char**) &master_info_file, 0, GET_STR,
3443
"The location and name of the file that remembers the master and where the I/O replication \
3444
thread is in the master's binlogs.",
3445
(uchar**) &master_info_file, (uchar**) &master_info_file, 0, GET_STR,
3250
3446
REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3251
3447
{"master-retry-count", OPT_MASTER_RETRY_COUNT,
3252
N_("The number of tries the slave will make to connect to the master "
3253
"before giving up."),
3254
(char**) &master_retry_count, (char**) &master_retry_count, 0, GET_ULONG,
3448
"The number of tries the slave will make to connect to the master before giving up.",
3449
(uchar**) &master_retry_count, (uchar**) &master_retry_count, 0, GET_ULONG,
3255
3450
REQUIRED_ARG, 3600*24, 0, 0, 0, 0, 0},
3256
3451
{"max-binlog-dump-events", OPT_MAX_BINLOG_DUMP_EVENTS,
3257
N_("Option used by mysql-test for debugging and testing of replication."),
3258
(char**) &max_binlog_dump_events, (char**) &max_binlog_dump_events, 0,
3452
"Option used by mysql-test for debugging and testing of replication.",
3453
(uchar**) &max_binlog_dump_events, (uchar**) &max_binlog_dump_events, 0,
3259
3454
GET_INT, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3260
{"memlock", OPT_MEMLOCK,
3261
N_("Lock mysqld in memory."),
3262
(char**) &locked_in_memory,
3263
(char**) &locked_in_memory, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
3455
{"memlock", OPT_MEMLOCK, "Lock mysqld in memory.", (uchar**) &locked_in_memory,
3456
(uchar**) &locked_in_memory, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
3264
3457
{"myisam-recover", OPT_MYISAM_RECOVER,
3265
N_("Syntax: myisam-recover[=option[,option...]], where option can be "
3266
"DEFAULT, BACKUP, FORCE or QUICK."),
3267
(char**) &myisam_recover_options_str, (char**) &myisam_recover_options_str, 0,
3458
"Syntax: myisam-recover[=option[,option...]], where option can be DEFAULT, BACKUP, FORCE or QUICK.",
3459
(uchar**) &myisam_recover_options_str, (uchar**) &myisam_recover_options_str, 0,
3268
3460
GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
3270
N_("Use very new possible 'unsafe' functions."),
3271
(char**) &global_system_variables.new_mode,
3272
(char**) &max_system_variables.new_mode,
3461
{"new", 'n', "Use very new possible 'unsafe' functions.",
3462
(uchar**) &global_system_variables.new_mode,
3463
(uchar**) &max_system_variables.new_mode,
3273
3464
0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
3274
3465
{"old-alter-table", OPT_OLD_ALTER_TABLE,
3275
N_("Use old, non-optimized alter table."),
3276
(char**) &global_system_variables.old_alter_table,
3277
(char**) &max_system_variables.old_alter_table, 0, GET_BOOL, NO_ARG,
3279
{"pid-file", OPT_PID_FILE,
3280
N_("Pid file used by safe_mysqld."),
3281
(char**) &pidfile_name_ptr, (char**) &pidfile_name_ptr, 0, GET_STR,
3466
"Use old, non-optimized alter table.",
3467
(uchar**) &global_system_variables.old_alter_table,
3468
(uchar**) &max_system_variables.old_alter_table, 0, GET_BOOL, NO_ARG,
3470
{"old-passwords", OPT_OLD_PASSWORDS, "Use old password encryption method (needed for 4.0 and older clients).",
3471
(uchar**) &global_system_variables.old_passwords,
3472
(uchar**) &max_system_variables.old_passwords, 0, GET_BOOL, NO_ARG,
3474
{"old-style-user-limits", OPT_OLD_STYLE_USER_LIMITS,
3475
"Enable old-style user limits (before 5.0.3 user resources were counted per each user+host vs. per account)",
3476
(uchar**) &opt_old_style_user_limits, (uchar**) &opt_old_style_user_limits,
3477
0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
3478
{"pid-file", OPT_PID_FILE, "Pid file used by safe_mysqld.",
3479
(uchar**) &pidfile_name_ptr, (uchar**) &pidfile_name_ptr, 0, GET_STR,
3282
3480
REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3284
N_("Port number to use for connection or 0 for default to, in "
3285
"order of preference, my.cnf, $DRIZZLE_TCP_PORT, "
3286
"built-in default (" STRINGIFY_ARG(DRIZZLE_PORT) ")."),
3287
(char**) &mysqld_port,
3288
(char**) &mysqld_port, 0, GET_UINT, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3481
{"port", 'P', "Port number to use for connection or 0 for default to, in "
3482
"order of preference, my.cnf, $MYSQL_TCP_PORT, "
3483
#if MYSQL_PORT_DEFAULT == 0
3486
"built-in default (" STRINGIFY_ARG(MYSQL_PORT) ").",
3487
(uchar**) &mysqld_port,
3488
(uchar**) &mysqld_port, 0, GET_UINT, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3289
3489
{"port-open-timeout", OPT_PORT_OPEN_TIMEOUT,
3290
N_("Maximum time in seconds to wait for the port to become free. "
3291
"(Default: no wait)"),
3292
(char**) &mysqld_port_timeout,
3293
(char**) &mysqld_port_timeout, 0, GET_UINT, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3490
"Maximum time in seconds to wait for the port to become free. "
3491
"(Default: no wait)", (uchar**) &mysqld_port_timeout,
3492
(uchar**) &mysqld_port_timeout, 0, GET_UINT, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3294
3493
{"relay-log", OPT_RELAY_LOG,
3295
N_("The location and name to use for relay logs."),
3296
(char**) &opt_relay_logname, (char**) &opt_relay_logname, 0,
3494
"The location and name to use for relay logs.",
3495
(uchar**) &opt_relay_logname, (uchar**) &opt_relay_logname, 0,
3297
3496
GET_STR_ALLOC, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3298
3497
{"relay-log-index", OPT_RELAY_LOG_INDEX,
3299
N_("The location and name to use for the file that keeps a list of the "
3300
"last relay logs."),
3301
(char**) &opt_relaylog_index_name, (char**) &opt_relaylog_index_name, 0,
3498
"The location and name to use for the file that keeps a list of the last \
3500
(uchar**) &opt_relaylog_index_name, (uchar**) &opt_relaylog_index_name, 0,
3302
3501
GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3303
3502
{"relay-log-info-file", OPT_RELAY_LOG_INFO_FILE,
3304
N_("The location and name of the file that remembers where the SQL "
3305
"replication thread is in the relay logs."),
3306
(char**) &relay_log_info_file, (char**) &relay_log_info_file, 0, GET_STR,
3503
"The location and name of the file that remembers where the SQL replication \
3504
thread is in the relay logs.",
3505
(uchar**) &relay_log_info_file, (uchar**) &relay_log_info_file, 0, GET_STR,
3307
3506
REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3308
3507
{"replicate-do-db", OPT_REPLICATE_DO_DB,
3309
N_("Tells the slave thread to restrict replication to the specified "
3310
"database. To specify more than one database, use the directive "
3311
"multiple times, once for each database. Note that this will only work "
3312
"if you do not use cross-database queries such as UPDATE "
3313
"some_db.some_table SET foo='bar' while having selected a different or "
3314
"no database. If you need cross database updates to work, use "
3315
"replicate-wild-do-table=db_name.%."),
3508
"Tells the slave thread to restrict replication to the specified database. To specify more than one database, use the directive multiple times, once for each database. Note that this will only work if you do not use cross-database queries such as UPDATE some_db.some_table SET foo='bar' while having selected a different or no database. If you need cross database updates to work, make sure you have 3.23.28 or later, and use replicate-wild-do-table=db_name.%.",
3316
3509
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3317
3510
{"replicate-do-table", OPT_REPLICATE_DO_TABLE,
3318
N_("Tells the slave thread to restrict replication to the specified table. "
3319
"To specify more than one table, use the directive multiple times, once "
3320
"for each table. This will work for cross-database updates, in contrast "
3321
"to replicate-do-db."),
3511
"Tells the slave thread to restrict replication to the specified table. To specify more than one table, use the directive multiple times, once for each table. This will work for cross-database updates, in contrast to replicate-do-db.",
3322
3512
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3323
3513
{"replicate-ignore-db", OPT_REPLICATE_IGNORE_DB,
3324
N_("Tells the slave thread to not replicate to the specified database. To "
3325
"specify more than one database to ignore, use the directive multiple "
3326
"times, once for each database. This option will not work if you use "
3327
"cross database updates. If you need cross database updates to work, "
3328
"use replicate-wild-ignore-table=db_name.%. "),
3514
"Tells the slave thread to not replicate to the specified database. To specify more than one database to ignore, use the directive multiple times, once for each database. This option will not work if you use cross database updates. If you need cross database updates to work, make sure you have 3.23.28 or later, and use replicate-wild-ignore-table=db_name.%. ",
3329
3515
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3330
3516
{"replicate-ignore-table", OPT_REPLICATE_IGNORE_TABLE,
3331
N_("Tells the slave thread to not replicate to the specified table. To "
3332
"specify more than one table to ignore, use the directive multiple "
3333
"times, once for each table. This will work for cross-datbase updates, "
3334
"in contrast to replicate-ignore-db."),
3517
"Tells the slave thread to not replicate to the specified table. To specify more than one table to ignore, use the directive multiple times, once for each table. This will work for cross-datbase updates, in contrast to replicate-ignore-db.",
3335
3518
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3336
3519
{"replicate-rewrite-db", OPT_REPLICATE_REWRITE_DB,
3337
N_("Updates to a database with a different name than the original. "
3338
"Example: replicate-rewrite-db=master_db_name->slave_db_name."),
3520
"Updates to a database with a different name than the original. Example: replicate-rewrite-db=master_db_name->slave_db_name.",
3339
3521
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3340
3522
{"replicate-same-server-id", OPT_REPLICATE_SAME_SERVER_ID,
3341
N_("In replication, if set to 1, do not skip events having our server id. "
3342
"Default value is 0 (to break infinite loops in circular replication). "
3343
"Can't be set to 1 if --log-slave-updates is used."),
3344
(char**) &replicate_same_server_id,
3345
(char**) &replicate_same_server_id,
3523
"In replication, if set to 1, do not skip events having our server id. \
3524
Default value is 0 (to break infinite loops in circular replication). \
3525
Can't be set to 1 if --log-slave-updates is used.",
3526
(uchar**) &replicate_same_server_id,
3527
(uchar**) &replicate_same_server_id,
3346
3528
0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
3347
3529
{"replicate-wild-do-table", OPT_REPLICATE_WILD_DO_TABLE,
3348
N_("Tells the slave thread to restrict replication to the tables that "
3349
"match the specified wildcard pattern. To specify more than one table, "
3350
"use the directive multiple times, once for each table. This will work "
3351
"for cross-database updates. Example: replicate-wild-do-table=foo%.bar% "
3352
"will replicate only updates to tables in all databases that start with "
3353
"foo and whose table names start with bar."),
3530
"Tells the slave thread to restrict replication to the tables that match the specified wildcard pattern. To specify more than one table, use the directive multiple times, once for each table. This will work for cross-database updates. Example: replicate-wild-do-table=foo%.bar% will replicate only updates to tables in all databases that start with foo and whose table names start with bar.",
3354
3531
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3355
3532
{"replicate-wild-ignore-table", OPT_REPLICATE_WILD_IGNORE_TABLE,
3356
N_("Tells the slave thread to not replicate to the tables that match the "
3357
"given wildcard pattern. To specify more than one table to ignore, use "
3358
"the directive multiple times, once for each table. This will work for "
3359
"cross-database updates. Example: replicate-wild-ignore-table=foo%.bar% "
3360
"will not do updates to tables in databases that start with foo and "
3361
"whose table names start with bar."),
3533
"Tells the slave thread to not replicate to the tables that match the given wildcard pattern. To specify more than one table to ignore, use the directive multiple times, once for each table. This will work for cross-database updates. Example: replicate-wild-ignore-table=foo%.bar% will not do updates to tables in databases that start with foo and whose table names start with bar.",
3362
3534
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3363
3535
// In replication, we may need to tell the other servers how to connect
3364
3536
{"report-host", OPT_REPORT_HOST,
3365
N_("Hostname or IP of the slave to be reported to to the master during "
3366
"slave registration. Will appear in the output of SHOW SLAVE HOSTS. "
3367
"Leave unset if you do not want the slave to register itself with the "
3368
"master. Note that it is not sufficient for the master to simply read "
3369
"the IP of the slave off the socket once the slave connects. Due to NAT "
3370
"and other routing issues, that IP may not be valid for connecting to "
3371
"the slave from the master or other hosts."),
3372
(char**) &report_host, (char**) &report_host, 0, GET_STR, REQUIRED_ARG, 0, 0,
3537
"Hostname or IP of the slave to be reported to to the master during slave registration. Will appear in the output of SHOW SLAVE HOSTS. Leave unset if you do not want the slave to register itself with the master. Note that it is not sufficient for the master to simply read the IP of the slave off the socket once the slave connects. Due to NAT and other routing issues, that IP may not be valid for connecting to the slave from the master or other hosts.",
3538
(uchar**) &report_host, (uchar**) &report_host, 0, GET_STR, REQUIRED_ARG, 0, 0,
3374
3540
{"report-password", OPT_REPORT_PASSWORD, "Undocumented.",
3375
(char**) &report_password, (char**) &report_password, 0, GET_STR,
3541
(uchar**) &report_password, (uchar**) &report_password, 0, GET_STR,
3376
3542
REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3377
3543
{"report-port", OPT_REPORT_PORT,
3378
N_("Port for connecting to slave reported to the master during slave "
3379
"registration. Set it only if the slave is listening on a non-default "
3380
"port or if you have a special tunnel from the master or other clients "
3381
"to the slave. If not sure, leave this option unset."),
3382
(char**) &report_port, (char**) &report_port, 0, GET_UINT, REQUIRED_ARG,
3383
DRIZZLE_PORT, 0, 0, 0, 0, 0},
3384
{"safe-mode", OPT_SAFE,
3385
N_("Skip some optimize stages (for testing)."),
3544
"Port for connecting to slave reported to the master during slave registration. Set it only if the slave is listening on a non-default port or if you have a special tunnel from the master or other clients to the slave. If not sure, leave this option unset.",
3545
(uchar**) &report_port, (uchar**) &report_port, 0, GET_UINT, REQUIRED_ARG,
3546
MYSQL_PORT, 0, 0, 0, 0, 0},
3547
{"safe-mode", OPT_SAFE, "Skip some optimize stages (for testing).",
3386
3548
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
3387
3549
{"secure-file-priv", OPT_SECURE_FILE_PRIV,
3388
N_("Limit LOAD DATA, SELECT ... OUTFILE, and LOAD_FILE() to files "
3389
"within specified directory"),
3390
(char**) &opt_secure_file_priv, (char**) &opt_secure_file_priv, 0,
3550
"Limit LOAD DATA, SELECT ... OUTFILE, and LOAD_FILE() to files within specified directory",
3551
(uchar**) &opt_secure_file_priv, (uchar**) &opt_secure_file_priv, 0,
3391
3552
GET_STR_ALLOC, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3392
3553
{"server-id", OPT_SERVER_ID,
3393
N_("Uniquely identifies the server instance in the community of "
3394
"replication partners."),
3395
(char**) &server_id, (char**) &server_id, 0, GET_ULONG, REQUIRED_ARG, 0, 0, 0,
3554
"Uniquely identifies the server instance in the community of replication partners.",
3555
(uchar**) &server_id, (uchar**) &server_id, 0, GET_ULONG, REQUIRED_ARG, 0, 0, 0,
3397
{"skip-new", OPT_SKIP_NEW,
3398
N_("Don't use new, possible wrong routines."),
3557
{"set-variable", 'O',
3558
"Change the value of a variable. Please note that this option is deprecated;you can set variables directly with --variable-name=value.",
3559
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3560
{"skip-new", OPT_SKIP_NEW, "Don't use new, possible wrong routines.",
3399
3561
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
3400
3562
{"skip-slave-start", OPT_SKIP_SLAVE_START,
3401
N_("If set, slave is not autostarted."),
3402
(char**) &opt_skip_slave_start,
3403
(char**) &opt_skip_slave_start, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
3563
"If set, slave is not autostarted.", (uchar**) &opt_skip_slave_start,
3564
(uchar**) &opt_skip_slave_start, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
3404
3565
{"skip-stack-trace", OPT_SKIP_STACK_TRACE,
3405
N_("Don't print a stack trace on failure."),
3406
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0,
3566
"Don't print a stack trace on failure.", 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0,
3568
{"skip-symlink", OPT_SKIP_SYMLINKS, "Don't allow symlinking of tables. Deprecated option. Use --skip-symbolic-links instead.",
3569
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
3408
3570
{"skip-thread-priority", OPT_SKIP_PRIOR,
3409
N_("Don't give threads different priorities."),
3410
0, 0, 0, GET_NO_ARG, NO_ARG,
3571
"Don't give threads different priorities.", 0, 0, 0, GET_NO_ARG, NO_ARG,
3411
3572
DEFAULT_SKIP_THREAD_PRIORITY, 0, 0, 0, 0, 0},
3412
3573
{"slave-load-tmpdir", OPT_SLAVE_LOAD_TMPDIR,
3413
N_("The location where the slave should put its temporary files when "
3414
"replicating a LOAD DATA INFILE command."),
3415
(char**) &slave_load_tmpdir, (char**) &slave_load_tmpdir, 0, GET_STR_ALLOC,
3574
"The location where the slave should put its temporary files when \
3575
replicating a LOAD DATA INFILE command.",
3576
(uchar**) &slave_load_tmpdir, (uchar**) &slave_load_tmpdir, 0, GET_STR_ALLOC,
3416
3577
REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3417
3578
{"slave-skip-errors", OPT_SLAVE_SKIP_ERRORS,
3418
N_("Tells the slave thread to continue replication when a query event "
3419
"returns an error from the provided list."),
3579
"Tells the slave thread to continue replication when a query event returns an error from the provided list.",
3420
3580
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3421
3581
{"slave-exec-mode", OPT_SLAVE_EXEC_MODE,
3422
N_("Modes for how replication events should be executed. Legal values are "
3423
"STRICT (default) and IDEMPOTENT. In IDEMPOTENT mode, replication will "
3424
"not stop for operations that are idempotent. In STRICT mode, "
3425
"replication will stop on any unexpected difference between the master "
3427
(char**) &slave_exec_mode_str, (char**) &slave_exec_mode_str,
3428
0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3582
"Modes for how replication events should be executed. Legal values are STRICT (default) and IDEMPOTENT. In IDEMPOTENT mode, replication will not stop for operations that are idempotent. In STRICT mode, replication will stop on any unexpected difference between the master and the slave.",
3583
(uchar**) &slave_exec_mode_str, (uchar**) &slave_exec_mode_str, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3584
{"slow-query-log", OPT_SLOW_LOG,
3585
"Enable|disable slow query log", (uchar**) &opt_slow_log,
3586
(uchar**) &opt_slow_log, 0, GET_BOOL, OPT_ARG, 0, 0, 0, 0, 0, 0},
3587
{"sporadic-binlog-dump-fail", OPT_SPORADIC_BINLOG_DUMP_FAIL,
3588
"Option used by mysql-test for debugging and testing of replication.",
3589
(uchar**) &opt_sporadic_binlog_dump_fail,
3590
(uchar**) &opt_sporadic_binlog_dump_fail, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0,
3429
3592
{"sql-bin-update-same", OPT_SQL_BIN_UPDATE_SAME,
3593
"The update log is deprecated since version 5.0, is replaced by the binary \
3594
log and this option does nothing anymore.",
3431
3595
0, 0, 0, GET_DISABLED, NO_ARG, 0, 0, 0, 0, 0, 0},
3432
{"symbolic-links", 's',
3433
N_("Enable symbolic link support."),
3434
(char**) &my_use_symdir, (char**) &my_use_symdir, 0, GET_BOOL, NO_ARG,
3596
{"symbolic-links", 's', "Enable symbolic link support.",
3597
(uchar**) &my_use_symdir, (uchar**) &my_use_symdir, 0, GET_BOOL, NO_ARG,
3436
3599
The system call realpath() produces warnings under valgrind and
3437
3600
purify. These are not suppressed: instead we disable symlinks
3440
3603
IF_PURIFY(0,1), 0, 0, 0, 0, 0},
3441
3604
{"sysdate-is-now", OPT_SYSDATE_IS_NOW,
3442
N_("Non-default option to alias SYSDATE() to NOW() to make it "
3443
"safe-replicable."),
3444
(char**) &global_system_variables.sysdate_is_now,
3605
"Non-default option to alias SYSDATE() to NOW() to make it safe-replicable. Since 5.0, SYSDATE() returns a `dynamic' value different for different invocations, even within the same statement.",
3606
(uchar**) &global_system_variables.sysdate_is_now,
3445
3607
0, 0, GET_BOOL, NO_ARG, 0, 0, 1, 0, 1, 0},
3446
3608
{"tc-heuristic-recover", OPT_TC_HEURISTIC_RECOVER,
3447
N_("Decision to use in heuristic recover process. Possible values are "
3448
"COMMIT or ROLLBACK."),
3449
(char**) &opt_tc_heuristic_recover, (char**) &opt_tc_heuristic_recover,
3609
"Decision to use in heuristic recover process. Possible values are COMMIT or ROLLBACK.",
3610
(uchar**) &opt_tc_heuristic_recover, (uchar**) &opt_tc_heuristic_recover,
3450
3611
0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3451
3612
{"temp-pool", OPT_TEMP_POOL,
3452
N_("Using this option will cause most temporary files created to use a "
3453
"small set of names, rather than a unique name for each new file."),
3454
(char**) &use_temp_pool, (char**) &use_temp_pool, 0, GET_BOOL, NO_ARG, 1,
3613
"Using this option will cause most temporary files created to use a small set of names, rather than a unique name for each new file.",
3614
(uchar**) &use_temp_pool, (uchar**) &use_temp_pool, 0, GET_BOOL, NO_ARG, 1,
3455
3615
0, 0, 0, 0, 0},
3456
3616
{"timed_mutexes", OPT_TIMED_MUTEXES,
3457
N_("Specify whether to time mutexes (only InnoDB mutexes are currently "
3459
(char**) &timed_mutexes, (char**) &timed_mutexes, 0, GET_BOOL, NO_ARG, 0,
3617
"Specify whether to time mutexes (only InnoDB mutexes are currently supported)",
3618
(uchar**) &timed_mutexes, (uchar**) &timed_mutexes, 0, GET_BOOL, NO_ARG, 0,
3460
3619
0, 0, 0, 0, 0},
3461
3620
{"tmpdir", 't',
3462
N_("Path for temporary files. Several paths may be specified, separated "
3464
", in this case they are used in a round-robin fashion."),
3465
(char**) &opt_mysql_tmpdir,
3466
(char**) &opt_mysql_tmpdir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3621
"Path for temporary files. Several paths may be specified, separated by a "
3623
", in this case they are used in a round-robin fashion.",
3624
(uchar**) &opt_mysql_tmpdir,
3625
(uchar**) &opt_mysql_tmpdir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3467
3626
{"transaction-isolation", OPT_TX_ISOLATION,
3468
N_("Default transaction isolation level."),
3469
0, 0, 0, GET_STR, REQUIRED_ARG, 0,
3627
"Default transaction isolation level.", 0, 0, 0, GET_STR, REQUIRED_ARG, 0,
3470
3628
0, 0, 0, 0, 0},
3472
N_("Run mysqld daemon as user."),
3473
0, 0, 0, GET_STR, REQUIRED_ARG,
3629
{"use-symbolic-links", 's', "Enable symbolic link support. Deprecated option; use --symbolic-links instead.",
3630
(uchar**) &my_use_symdir, (uchar**) &my_use_symdir, 0, GET_BOOL, NO_ARG,
3631
IF_PURIFY(0,1), 0, 0, 0, 0, 0},
3632
{"user", 'u', "Run mysqld daemon as user.", 0, 0, 0, GET_STR, REQUIRED_ARG,
3474
3633
0, 0, 0, 0, 0, 0},
3476
N_("Output version information and exit."),
3477
0, 0, 0, GET_NO_ARG,
3634
{"verbose", 'v', "Used with --help option for detailed help",
3635
(uchar**) &opt_verbose, (uchar**) &opt_verbose, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
3637
{"version", 'V', "Output version information and exit.", 0, 0, 0, GET_NO_ARG,
3478
3638
NO_ARG, 0, 0, 0, 0, 0, 0},
3479
{"back_log", OPT_BACK_LOG,
3480
N_("The number of outstanding connection requests MySQL can have. This "
3481
"comes into play when the main MySQL thread gets very many connection "
3482
"requests in a very short time."),
3483
(char**) &back_log, (char**) &back_log, 0, GET_ULONG,
3639
{"warnings", 'W', "Deprecated; use --log-warnings instead.",
3640
(uchar**) &global_system_variables.log_warnings,
3641
(uchar**) &max_system_variables.log_warnings, 0, GET_ULONG, OPT_ARG,
3642
1, 0, ULONG_MAX, 0, 0, 0},
3643
{ "back_log", OPT_BACK_LOG,
3644
"The number of outstanding connection requests MySQL can have. This comes into play when the main MySQL thread gets very many connection requests in a very short time.",
3645
(uchar**) &back_log, (uchar**) &back_log, 0, GET_ULONG,
3484
3646
REQUIRED_ARG, 50, 1, 65535, 0, 1, 0 },
3485
{ "binlog_cache_size", OPT_BINLOG_CACHE_SIZE,
3486
N_("The size of the cache to hold the SQL statements for the binary log "
3487
"during a transaction. If you often use big, multi-statement "
3488
"transactions you can increase this to get more performance."),
3489
(char**) &binlog_cache_size, (char**) &binlog_cache_size, 0, GET_ULONG,
3490
REQUIRED_ARG, 32*1024L, IO_SIZE, ULONG_MAX, 0, IO_SIZE, 0},
3491
{ "bulk_insert_buffer_size", OPT_BULK_INSERT_BUFFER_SIZE,
3492
N_("Size of tree cache used in bulk insert optimisation. Note that this is "
3493
"a limit per thread!"),
3494
(char**) &global_system_variables.bulk_insert_buff_size,
3495
(char**) &max_system_variables.bulk_insert_buff_size,
3496
0, GET_ULONG, REQUIRED_ARG, 8192*1024, 0, ULONG_MAX, 0, 1, 0},
3497
{ "connect_timeout", OPT_CONNECT_TIMEOUT,
3498
N_("The number of seconds the mysqld server is waiting for a connect "
3499
"packet before responding with 'Bad handshake'."),
3500
(char**) &connect_timeout, (char**) &connect_timeout,
3501
0, GET_ULONG, REQUIRED_ARG, CONNECT_TIMEOUT, 2, LONG_TIMEOUT, 0, 1, 0 },
3647
{"binlog_cache_size", OPT_BINLOG_CACHE_SIZE,
3648
"The size of the cache to hold the SQL statements for the binary log during a transaction. If you often use big, multi-statement transactions you can increase this to get more performance.",
3649
(uchar**) &binlog_cache_size, (uchar**) &binlog_cache_size, 0, GET_ULONG,
3650
REQUIRED_ARG, 32*1024L, IO_SIZE, ULONG_MAX, 0, IO_SIZE, 0},
3651
{"bulk_insert_buffer_size", OPT_BULK_INSERT_BUFFER_SIZE,
3652
"Size of tree cache used in bulk insert optimisation. Note that this is a limit per thread!",
3653
(uchar**) &global_system_variables.bulk_insert_buff_size,
3654
(uchar**) &max_system_variables.bulk_insert_buff_size,
3655
0, GET_ULONG, REQUIRED_ARG, 8192*1024, 0, ULONG_MAX, 0, 1, 0},
3656
{"connect_timeout", OPT_CONNECT_TIMEOUT,
3657
"The number of seconds the mysqld server is waiting for a connect packet before responding with 'Bad handshake'.",
3658
(uchar**) &connect_timeout, (uchar**) &connect_timeout,
3659
0, GET_ULONG, REQUIRED_ARG, CONNECT_TIMEOUT, 2, LONG_TIMEOUT, 0, 1, 0 },
3502
3660
{ "date_format", OPT_DATE_FORMAT,
3503
N_("The DATE format (For future)."),
3504
(char**) &opt_date_time_formats[DRIZZLE_TIMESTAMP_DATE],
3505
(char**) &opt_date_time_formats[DRIZZLE_TIMESTAMP_DATE],
3661
"The DATE format (For future).",
3662
(uchar**) &opt_date_time_formats[MYSQL_TIMESTAMP_DATE],
3663
(uchar**) &opt_date_time_formats[MYSQL_TIMESTAMP_DATE],
3506
3664
0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3507
3665
{ "datetime_format", OPT_DATETIME_FORMAT,
3508
N_("The DATETIME/TIMESTAMP format (for future)."),
3509
(char**) &opt_date_time_formats[DRIZZLE_TIMESTAMP_DATETIME],
3510
(char**) &opt_date_time_formats[DRIZZLE_TIMESTAMP_DATETIME],
3666
"The DATETIME/TIMESTAMP format (for future).",
3667
(uchar**) &opt_date_time_formats[MYSQL_TIMESTAMP_DATETIME],
3668
(uchar**) &opt_date_time_formats[MYSQL_TIMESTAMP_DATETIME],
3511
3669
0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3512
3670
{ "default_week_format", OPT_DEFAULT_WEEK_FORMAT,
3513
N_("The default week format used by WEEK() functions."),
3514
(char**) &global_system_variables.default_week_format,
3515
(char**) &max_system_variables.default_week_format,
3671
"The default week format used by WEEK() functions.",
3672
(uchar**) &global_system_variables.default_week_format,
3673
(uchar**) &max_system_variables.default_week_format,
3516
3674
0, GET_ULONG, REQUIRED_ARG, 0, 0, 7L, 0, 1, 0},
3517
{ "div_precision_increment", OPT_DIV_PRECINCREMENT,
3518
N_("Precision of the result of '/' operator will be increased on that "
3520
(char**) &global_system_variables.div_precincrement,
3521
(char**) &max_system_variables.div_precincrement, 0, GET_ULONG,
3675
{"div_precision_increment", OPT_DIV_PRECINCREMENT,
3676
"Precision of the result of '/' operator will be increased on that value.",
3677
(uchar**) &global_system_variables.div_precincrement,
3678
(uchar**) &max_system_variables.div_precincrement, 0, GET_ULONG,
3522
3679
REQUIRED_ARG, 4, 0, DECIMAL_MAX_SCALE, 0, 0, 0},
3523
{ "expire_logs_days", OPT_EXPIRE_LOGS_DAYS,
3524
N_("If non-zero, binary logs will be purged after expire_logs_days "
3525
"days; possible purges happen at startup and at binary log rotation."),
3526
(char**) &expire_logs_days,
3527
(char**) &expire_logs_days, 0, GET_ULONG,
3528
REQUIRED_ARG, 0, 0, 99, 0, 1, 0},
3680
{"expire_logs_days", OPT_EXPIRE_LOGS_DAYS,
3681
"If non-zero, binary logs will be purged after expire_logs_days "
3682
"days; possible purges happen at startup and at binary log rotation.",
3683
(uchar**) &expire_logs_days,
3684
(uchar**) &expire_logs_days, 0, GET_ULONG,
3685
REQUIRED_ARG, 0, 0, 99, 0, 1, 0},
3686
{ "flush_time", OPT_FLUSH_TIME,
3687
"A dedicated thread is created to flush all tables at the given interval.",
3688
(uchar**) &flush_time, (uchar**) &flush_time, 0, GET_ULONG, REQUIRED_ARG,
3689
FLUSH_TIME, 0, LONG_TIMEOUT, 0, 1, 0},
3529
3690
{ "group_concat_max_len", OPT_GROUP_CONCAT_MAX_LEN,
3530
N_("The maximum length of the result of function group_concat."),
3531
(char**) &global_system_variables.group_concat_max_len,
3532
(char**) &max_system_variables.group_concat_max_len, 0, GET_ULONG,
3691
"The maximum length of the result of function group_concat.",
3692
(uchar**) &global_system_variables.group_concat_max_len,
3693
(uchar**) &max_system_variables.group_concat_max_len, 0, GET_ULONG,
3533
3694
REQUIRED_ARG, 1024, 4, ULONG_MAX, 0, 1, 0},
3534
{ "interactive_timeout", OPT_INTERACTIVE_TIMEOUT,
3535
N_("The number of seconds the server waits for activity on an interactive "
3536
"connection before closing it."),
3537
(char**) &global_system_variables.net_interactive_timeout,
3538
(char**) &max_system_variables.net_interactive_timeout, 0,
3695
{"interactive_timeout", OPT_INTERACTIVE_TIMEOUT,
3696
"The number of seconds the server waits for activity on an interactive connection before closing it.",
3697
(uchar**) &global_system_variables.net_interactive_timeout,
3698
(uchar**) &max_system_variables.net_interactive_timeout, 0,
3539
3699
GET_ULONG, REQUIRED_ARG, NET_WAIT_TIMEOUT, 1, LONG_TIMEOUT, 0, 1, 0},
3540
{ "join_buffer_size", OPT_JOIN_BUFF_SIZE,
3541
N_("The size of the buffer that is used for full joins."),
3542
(char**) &global_system_variables.join_buff_size,
3543
(char**) &max_system_variables.join_buff_size, 0, GET_ULONG,
3700
{"join_buffer_size", OPT_JOIN_BUFF_SIZE,
3701
"The size of the buffer that is used for full joins.",
3702
(uchar**) &global_system_variables.join_buff_size,
3703
(uchar**) &max_system_variables.join_buff_size, 0, GET_ULONG,
3544
3704
REQUIRED_ARG, 128*1024L, IO_SIZE*2+MALLOC_OVERHEAD, ULONG_MAX,
3545
3705
MALLOC_OVERHEAD, IO_SIZE, 0},
3546
3706
{"keep_files_on_create", OPT_KEEP_FILES_ON_CREATE,
3547
N_("Don't overwrite stale .MYD and .MYI even if no directory is specified."),
3548
(char**) &global_system_variables.keep_files_on_create,
3549
(char**) &max_system_variables.keep_files_on_create,
3707
"Don't overwrite stale .MYD and .MYI even if no directory is specified.",
3708
(uchar**) &global_system_variables.keep_files_on_create,
3709
(uchar**) &max_system_variables.keep_files_on_create,
3550
3710
0, GET_BOOL, OPT_ARG, 0, 0, 0, 0, 0, 0},
3551
3711
{"key_buffer_size", OPT_KEY_BUFFER_SIZE,
3552
N_("The size of the buffer used for index blocks for MyISAM tables. "
3553
"Increase this to get better index handling (for all reads and multiple "
3554
"writes) to as much as you can afford;"),
3555
(char**) &dflt_key_cache_var.param_buff_size,
3712
"The size of the buffer used for index blocks for MyISAM tables. Increase this to get better index handling (for all reads and multiple writes) to as much as you can afford; 64M on a 256M machine that mainly runs MySQL is quite common.",
3713
(uchar**) &dflt_key_cache_var.param_buff_size,
3557
3715
0, (GET_ULL | GET_ASK_ADDR),
3558
3716
REQUIRED_ARG, KEY_CACHE_SIZE, MALLOC_OVERHEAD, SIZE_T_MAX, MALLOC_OVERHEAD,
3560
3718
{"key_cache_age_threshold", OPT_KEY_CACHE_AGE_THRESHOLD,
3561
N_("This characterizes the number of hits a hot block has to be untouched "
3562
"until it is considered aged enough to be downgraded to a warm block. "
3563
"This specifies the percentage ratio of that number of hits to the "
3564
"total number of blocks in key cache"),
3565
(char**) &dflt_key_cache_var.param_age_threshold,
3567
0, (GET_ULONG | GET_ASK_ADDR), REQUIRED_ARG,
3719
"This characterizes the number of hits a hot block has to be untouched until it is considered aged enough to be downgraded to a warm block. This specifies the percentage ratio of that number of hits to the total number of blocks in key cache",
3720
(uchar**) &dflt_key_cache_var.param_age_threshold,
3722
0, (GET_ULONG | GET_ASK_ADDR), REQUIRED_ARG,
3568
3723
300, 100, ULONG_MAX, 0, 100, 0},
3569
3724
{"key_cache_block_size", OPT_KEY_CACHE_BLOCK_SIZE,
3570
N_("The default size of key cache blocks"),
3571
(char**) &dflt_key_cache_var.param_block_size,
3725
"The default size of key cache blocks",
3726
(uchar**) &dflt_key_cache_var.param_block_size,
3573
3728
0, (GET_ULONG | GET_ASK_ADDR), REQUIRED_ARG,
3574
3729
KEY_CACHE_BLOCK_SIZE, 512, 1024 * 16, 0, 512, 0},
3575
3730
{"key_cache_division_limit", OPT_KEY_CACHE_DIVISION_LIMIT,
3576
N_("The minimum percentage of warm blocks in key cache"),
3577
(char**) &dflt_key_cache_var.param_division_limit,
3731
"The minimum percentage of warm blocks in key cache",
3732
(uchar**) &dflt_key_cache_var.param_division_limit,
3579
3734
0, (GET_ULONG | GET_ASK_ADDR) , REQUIRED_ARG, 100,
3580
3735
1, 100, 0, 1, 0},
3581
3736
{"long_query_time", OPT_LONG_QUERY_TIME,
3582
N_("Log all queries that have taken more than long_query_time seconds to "
3583
"execute to file. The argument will be treated as a decimal value with "
3584
"microsecond precission."),
3585
(char**) &long_query_time, (char**) &long_query_time, 0, GET_DOUBLE,
3737
"Log all queries that have taken more than long_query_time seconds to execute to file. "
3738
"The argument will be treated as a decimal value with microsecond precission.",
3739
(uchar**) &long_query_time, (uchar**) &long_query_time, 0, GET_DOUBLE,
3586
3740
REQUIRED_ARG, 10, 0, LONG_TIMEOUT, 0, 0, 0},
3741
{"lower_case_table_names", OPT_LOWER_CASE_TABLE_NAMES,
3742
"If set to 1 table names are stored in lowercase on disk and table names will be case-insensitive. Should be set to 2 if you are using a case insensitive file system",
3743
(uchar**) &lower_case_table_names,
3744
(uchar**) &lower_case_table_names, 0, GET_UINT, OPT_ARG,
3745
#ifdef FN_NO_CASE_SENCE
3587
3751
{"max_allowed_packet", OPT_MAX_ALLOWED_PACKET,
3588
N_("Max packetlength to send/receive from to server."),
3589
(char**) &global_system_variables.max_allowed_packet,
3590
(char**) &max_system_variables.max_allowed_packet, 0, GET_ULONG,
3752
"Max packetlength to send/receive from to server.",
3753
(uchar**) &global_system_variables.max_allowed_packet,
3754
(uchar**) &max_system_variables.max_allowed_packet, 0, GET_ULONG,
3591
3755
REQUIRED_ARG, 1024*1024L, 1024, 1024L*1024L*1024L, MALLOC_OVERHEAD, 1024, 0},
3592
3756
{"max_binlog_cache_size", OPT_MAX_BINLOG_CACHE_SIZE,
3593
N_("Can be used to restrict the total size used to cache a "
3594
"multi-transaction query."),
3595
(char**) &max_binlog_cache_size, (char**) &max_binlog_cache_size, 0,
3757
"Can be used to restrict the total size used to cache a multi-transaction query.",
3758
(uchar**) &max_binlog_cache_size, (uchar**) &max_binlog_cache_size, 0,
3596
3759
GET_ULONG, REQUIRED_ARG, ULONG_MAX, IO_SIZE, ULONG_MAX, 0, IO_SIZE, 0},
3597
3760
{"max_binlog_size", OPT_MAX_BINLOG_SIZE,
3598
N_("Binary log will be rotated automatically when the size exceeds this "
3599
"value. Will also apply to relay logs if max_relay_log_size is 0. "
3600
"The minimum value for this variable is 4096."),
3601
(char**) &max_binlog_size, (char**) &max_binlog_size, 0, GET_ULONG,
3761
"Binary log will be rotated automatically when the size exceeds this \
3762
value. Will also apply to relay logs if max_relay_log_size is 0. \
3763
The minimum value for this variable is 4096.",
3764
(uchar**) &max_binlog_size, (uchar**) &max_binlog_size, 0, GET_ULONG,
3602
3765
REQUIRED_ARG, 1024*1024L*1024L, IO_SIZE, 1024*1024L*1024L, 0, IO_SIZE, 0},
3603
3766
{"max_connect_errors", OPT_MAX_CONNECT_ERRORS,
3604
N_("If there is more than this number of interrupted connections from a "
3605
"host this host will be blocked from further connections."),
3606
(char**) &max_connect_errors, (char**) &max_connect_errors, 0, GET_ULONG,
3607
REQUIRED_ARG, MAX_CONNECT_ERRORS, 1, ULONG_MAX, 0, 1, 0},
3767
"If there is more than this number of interrupted connections from a host this host will be blocked from further connections.",
3768
(uchar**) &max_connect_errors, (uchar**) &max_connect_errors, 0, GET_ULONG,
3769
REQUIRED_ARG, MAX_CONNECT_ERRORS, 1, ULONG_MAX, 0, 1, 0},
3608
3770
// Default max_connections of 151 is larger than Apache's default max
3609
3771
// children, to avoid "too many connections" error in a common setup
3610
3772
{"max_connections", OPT_MAX_CONNECTIONS,
3611
N_("The number of simultaneous clients allowed."),
3612
(char**) &max_connections,
3613
(char**) &max_connections, 0, GET_ULONG, REQUIRED_ARG, 151, 1, 100000, 0, 1,
3773
"The number of simultaneous clients allowed.", (uchar**) &max_connections,
3774
(uchar**) &max_connections, 0, GET_ULONG, REQUIRED_ARG, 151, 1, 100000, 0, 1,
3615
3776
{"max_error_count", OPT_MAX_ERROR_COUNT,
3616
N_("Max number of errors/warnings to store for a statement."),
3617
(char**) &global_system_variables.max_error_count,
3618
(char**) &max_system_variables.max_error_count,
3777
"Max number of errors/warnings to store for a statement.",
3778
(uchar**) &global_system_variables.max_error_count,
3779
(uchar**) &max_system_variables.max_error_count,
3619
3780
0, GET_ULONG, REQUIRED_ARG, DEFAULT_ERROR_COUNT, 0, 65535, 0, 1, 0},
3620
3781
{"max_heap_table_size", OPT_MAX_HEP_TABLE_SIZE,
3621
N_("Don't allow creation of heap tables bigger than this."),
3622
(char**) &global_system_variables.max_heap_table_size,
3623
(char**) &max_system_variables.max_heap_table_size, 0, GET_ULL,
3782
"Don't allow creation of heap tables bigger than this.",
3783
(uchar**) &global_system_variables.max_heap_table_size,
3784
(uchar**) &max_system_variables.max_heap_table_size, 0, GET_ULL,
3624
3785
REQUIRED_ARG, 16*1024*1024L, 16384, MAX_MEM_TABLE_SIZE,
3625
3786
MALLOC_OVERHEAD, 1024, 0},
3626
3787
{"max_join_size", OPT_MAX_JOIN_SIZE,
3627
N_("Joins that are probably going to read more than max_join_size records "
3628
"return an error."),
3629
(char**) &global_system_variables.max_join_size,
3630
(char**) &max_system_variables.max_join_size, 0, GET_HA_ROWS, REQUIRED_ARG,
3631
INT32_MAX, 1, INT32_MAX, 0, 1, 0},
3632
{"max_length_for_sort_data", OPT_MAX_LENGTH_FOR_SORT_DATA,
3633
N_("Max number of bytes in sorted records."),
3634
(char**) &global_system_variables.max_length_for_sort_data,
3635
(char**) &max_system_variables.max_length_for_sort_data, 0, GET_ULONG,
3636
REQUIRED_ARG, 1024, 4, 8192*1024L, 0, 1, 0},
3788
"Joins that are probably going to read more than max_join_size records return an error.",
3789
(uchar**) &global_system_variables.max_join_size,
3790
(uchar**) &max_system_variables.max_join_size, 0, GET_HA_ROWS, REQUIRED_ARG,
3791
~0L, 1, ~0L, 0, 1, 0},
3792
{"max_length_for_sort_data", OPT_MAX_LENGTH_FOR_SORT_DATA,
3793
"Max number of bytes in sorted records.",
3794
(uchar**) &global_system_variables.max_length_for_sort_data,
3795
(uchar**) &max_system_variables.max_length_for_sort_data, 0, GET_ULONG,
3796
REQUIRED_ARG, 1024, 4, 8192*1024L, 0, 1, 0},
3637
3797
{"max_relay_log_size", OPT_MAX_RELAY_LOG_SIZE,
3638
N_("If non-zero: relay log will be rotated automatically when the size "
3639
"exceeds this value; if zero (the default): when the size exceeds "
3640
"max_binlog_size. 0 excepted, the minimum value for this variable "
3642
(char**) &max_relay_log_size, (char**) &max_relay_log_size, 0, GET_ULONG,
3798
"If non-zero: relay log will be rotated automatically when the size exceeds this value; if zero (the default): when the size exceeds max_binlog_size. 0 excepted, the minimum value for this variable is 4096.",
3799
(uchar**) &max_relay_log_size, (uchar**) &max_relay_log_size, 0, GET_ULONG,
3643
3800
REQUIRED_ARG, 0L, 0L, 1024*1024L*1024L, 0, IO_SIZE, 0},
3644
3801
{ "max_seeks_for_key", OPT_MAX_SEEKS_FOR_KEY,
3645
N_("Limit assumed max number of seeks when looking up rows based on a key"),
3646
(char**) &global_system_variables.max_seeks_for_key,
3647
(char**) &max_system_variables.max_seeks_for_key, 0, GET_ULONG,
3802
"Limit assumed max number of seeks when looking up rows based on a key",
3803
(uchar**) &global_system_variables.max_seeks_for_key,
3804
(uchar**) &max_system_variables.max_seeks_for_key, 0, GET_ULONG,
3648
3805
REQUIRED_ARG, ULONG_MAX, 1, ULONG_MAX, 0, 1, 0 },
3649
3806
{"max_sort_length", OPT_MAX_SORT_LENGTH,
3650
N_("The number of bytes to use when sorting BLOB or TEXT values "
3651
"(only the first max_sort_length bytes of each value are used; the "
3652
"rest are ignored)."),
3653
(char**) &global_system_variables.max_sort_length,
3654
(char**) &max_system_variables.max_sort_length, 0, GET_ULONG,
3807
"The number of bytes to use when sorting BLOB or TEXT values (only the first max_sort_length bytes of each value are used; the rest are ignored).",
3808
(uchar**) &global_system_variables.max_sort_length,
3809
(uchar**) &max_system_variables.max_sort_length, 0, GET_ULONG,
3655
3810
REQUIRED_ARG, 1024, 4, 8192*1024L, 0, 1, 0},
3656
3811
{"max_tmp_tables", OPT_MAX_TMP_TABLES,
3657
N_("Maximum number of temporary tables a client can keep open at a time."),
3658
(char**) &global_system_variables.max_tmp_tables,
3659
(char**) &max_system_variables.max_tmp_tables, 0, GET_ULONG,
3812
"Maximum number of temporary tables a client can keep open at a time.",
3813
(uchar**) &global_system_variables.max_tmp_tables,
3814
(uchar**) &max_system_variables.max_tmp_tables, 0, GET_ULONG,
3660
3815
REQUIRED_ARG, 32, 1, ULONG_MAX, 0, 1, 0},
3661
3816
{"max_write_lock_count", OPT_MAX_WRITE_LOCK_COUNT,
3662
N_("After this many write locks, allow some read locks to run in between."),
3663
(char**) &max_write_lock_count, (char**) &max_write_lock_count, 0, GET_ULONG,
3817
"After this many write locks, allow some read locks to run in between.",
3818
(uchar**) &max_write_lock_count, (uchar**) &max_write_lock_count, 0, GET_ULONG,
3664
3819
REQUIRED_ARG, ULONG_MAX, 1, ULONG_MAX, 0, 1, 0},
3665
3820
{"min_examined_row_limit", OPT_MIN_EXAMINED_ROW_LIMIT,
3666
N_("Don't log queries which examine less than min_examined_row_limit "
3668
(char**) &global_system_variables.min_examined_row_limit,
3669
(char**) &max_system_variables.min_examined_row_limit, 0, GET_ULONG,
3670
REQUIRED_ARG, 0, 0, ULONG_MAX, 0, 1L, 0},
3821
"Don't log queries which examine less than min_examined_row_limit rows to file.",
3822
(uchar**) &global_system_variables.min_examined_row_limit,
3823
(uchar**) &max_system_variables.min_examined_row_limit, 0, GET_ULONG,
3824
REQUIRED_ARG, 0, 0, ULONG_MAX, 0, 1L, 0},
3671
3825
{"myisam_block_size", OPT_MYISAM_BLOCK_SIZE,
3672
N_("Block size to be used for MyISAM index pages."),
3673
(char**) &opt_myisam_block_size,
3674
(char**) &opt_myisam_block_size, 0, GET_ULONG, REQUIRED_ARG,
3826
"Block size to be used for MyISAM index pages.",
3827
(uchar**) &opt_myisam_block_size,
3828
(uchar**) &opt_myisam_block_size, 0, GET_ULONG, REQUIRED_ARG,
3675
3829
MI_KEY_BLOCK_LENGTH, MI_MIN_KEY_BLOCK_LENGTH, MI_MAX_KEY_BLOCK_LENGTH,
3676
3830
0, MI_MIN_KEY_BLOCK_LENGTH, 0},
3677
3831
{"myisam_data_pointer_size", OPT_MYISAM_DATA_POINTER_SIZE,
3678
N_("Default pointer size to be used for MyISAM tables."),
3679
(char**) &myisam_data_pointer_size,
3680
(char**) &myisam_data_pointer_size, 0, GET_ULONG, REQUIRED_ARG,
3832
"Default pointer size to be used for MyISAM tables.",
3833
(uchar**) &myisam_data_pointer_size,
3834
(uchar**) &myisam_data_pointer_size, 0, GET_ULONG, REQUIRED_ARG,
3681
3835
6, 2, 7, 0, 1, 0},
3836
{"myisam_max_extra_sort_file_size", OPT_MYISAM_MAX_EXTRA_SORT_FILE_SIZE,
3837
"Deprecated option",
3838
(uchar**) &global_system_variables.myisam_max_extra_sort_file_size,
3839
(uchar**) &max_system_variables.myisam_max_extra_sort_file_size,
3840
0, GET_ULL, REQUIRED_ARG, (ulonglong) MI_MAX_TEMP_LENGTH,
3841
0, (ulonglong) MAX_FILE_SIZE, 0, 1, 0},
3682
3842
{"myisam_max_sort_file_size", OPT_MYISAM_MAX_SORT_FILE_SIZE,
3683
N_("Don't use the fast sort index method to created index if the "
3684
"temporary file would get bigger than this."),
3685
(char**) &global_system_variables.myisam_max_sort_file_size,
3686
(char**) &max_system_variables.myisam_max_sort_file_size, 0,
3687
GET_ULL, REQUIRED_ARG, (int64_t) LONG_MAX, 0, (uint64_t) MAX_FILE_SIZE,
3843
"Don't use the fast sort index method to created index if the temporary file would get bigger than this.",
3844
(uchar**) &global_system_variables.myisam_max_sort_file_size,
3845
(uchar**) &max_system_variables.myisam_max_sort_file_size, 0,
3846
GET_ULL, REQUIRED_ARG, (longlong) LONG_MAX, 0, (ulonglong) MAX_FILE_SIZE,
3688
3847
0, 1024*1024, 0},
3689
3848
{"myisam_repair_threads", OPT_MYISAM_REPAIR_THREADS,
3690
N_("Number of threads to use when repairing MyISAM tables. The value of "
3691
"1 disables parallel repair."),
3692
(char**) &global_system_variables.myisam_repair_threads,
3693
(char**) &max_system_variables.myisam_repair_threads, 0,
3849
"Number of threads to use when repairing MyISAM tables. The value of 1 disables parallel repair.",
3850
(uchar**) &global_system_variables.myisam_repair_threads,
3851
(uchar**) &max_system_variables.myisam_repair_threads, 0,
3694
3852
GET_ULONG, REQUIRED_ARG, 1, 1, ULONG_MAX, 0, 1, 0},
3695
3853
{"myisam_sort_buffer_size", OPT_MYISAM_SORT_BUFFER_SIZE,
3696
N_("The buffer that is allocated when sorting the index when doing a "
3697
"REPAIR or when creating indexes with CREATE INDEX or ALTER TABLE."),
3698
(char**) &global_system_variables.myisam_sort_buff_size,
3699
(char**) &max_system_variables.myisam_sort_buff_size, 0,
3700
GET_ULONG, REQUIRED_ARG, 8192*1024, 4, INT32_MAX, 0, 1, 0},
3854
"The buffer that is allocated when sorting the index when doing a REPAIR or when creating indexes with CREATE INDEX or ALTER TABLE.",
3855
(uchar**) &global_system_variables.myisam_sort_buff_size,
3856
(uchar**) &max_system_variables.myisam_sort_buff_size, 0,
3857
GET_ULONG, REQUIRED_ARG, 8192*1024, 4, ~0L, 0, 1, 0},
3701
3858
{"myisam_stats_method", OPT_MYISAM_STATS_METHOD,
3702
N_("Specifies how MyISAM index statistics collection code should threat "
3703
"NULLs. Possible values of name are 'nulls_unequal' "
3704
"(default behavior), "
3705
"'nulls_equal' (emulate MySQL 4.0 behavior), and 'nulls_ignored'."),
3706
(char**) &myisam_stats_method_str, (char**) &myisam_stats_method_str, 0,
3859
"Specifies how MyISAM index statistics collection code should threat NULLs. "
3860
"Possible values of name are \"nulls_unequal\" (default behavior for 4.1/5.0), "
3861
"\"nulls_equal\" (emulate 4.0 behavior), and \"nulls_ignored\".",
3862
(uchar**) &myisam_stats_method_str, (uchar**) &myisam_stats_method_str, 0,
3707
3863
GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3708
3864
{"net_buffer_length", OPT_NET_BUFFER_LENGTH,
3709
N_("Buffer length for TCP/IP and socket communication."),
3710
(char**) &global_system_variables.net_buffer_length,
3711
(char**) &max_system_variables.net_buffer_length, 0, GET_ULONG,
3865
"Buffer length for TCP/IP and socket communication.",
3866
(uchar**) &global_system_variables.net_buffer_length,
3867
(uchar**) &max_system_variables.net_buffer_length, 0, GET_ULONG,
3712
3868
REQUIRED_ARG, 16384, 1024, 1024*1024L, 0, 1024, 0},
3713
3869
{"net_read_timeout", OPT_NET_READ_TIMEOUT,
3714
N_("Number of seconds to wait for more data from a connection before "
3715
"aborting the read."),
3716
(char**) &global_system_variables.net_read_timeout,
3717
(char**) &max_system_variables.net_read_timeout, 0, GET_ULONG,
3870
"Number of seconds to wait for more data from a connection before aborting the read.",
3871
(uchar**) &global_system_variables.net_read_timeout,
3872
(uchar**) &max_system_variables.net_read_timeout, 0, GET_ULONG,
3718
3873
REQUIRED_ARG, NET_READ_TIMEOUT, 1, LONG_TIMEOUT, 0, 1, 0},
3719
3874
{"net_retry_count", OPT_NET_RETRY_COUNT,
3720
N_("If a read on a communication port is interrupted, retry this many "
3721
"times before giving up."),
3722
(char**) &global_system_variables.net_retry_count,
3723
(char**) &max_system_variables.net_retry_count,0,
3875
"If a read on a communication port is interrupted, retry this many times before giving up.",
3876
(uchar**) &global_system_variables.net_retry_count,
3877
(uchar**) &max_system_variables.net_retry_count,0,
3724
3878
GET_ULONG, REQUIRED_ARG, MYSQLD_NET_RETRY_COUNT, 1, ULONG_MAX, 0, 1, 0},
3725
3879
{"net_write_timeout", OPT_NET_WRITE_TIMEOUT,
3726
N_("Number of seconds to wait for a block to be written to a connection "
3727
"before aborting the write."),
3728
(char**) &global_system_variables.net_write_timeout,
3729
(char**) &max_system_variables.net_write_timeout, 0, GET_ULONG,
3880
"Number of seconds to wait for a block to be written to a connection before aborting the write.",
3881
(uchar**) &global_system_variables.net_write_timeout,
3882
(uchar**) &max_system_variables.net_write_timeout, 0, GET_ULONG,
3730
3883
REQUIRED_ARG, NET_WRITE_TIMEOUT, 1, LONG_TIMEOUT, 0, 1, 0},
3731
{ "old", OPT_OLD_MODE,
3732
N_("Use compatible behavior."),
3733
(char**) &global_system_variables.old_mode,
3734
(char**) &max_system_variables.old_mode, 0, GET_BOOL, NO_ARG,
3884
{ "old", OPT_OLD_MODE, "Use compatible behavior.",
3885
(uchar**) &global_system_variables.old_mode,
3886
(uchar**) &max_system_variables.old_mode, 0, GET_BOOL, NO_ARG,
3735
3887
0, 0, 0, 0, 0, 0},
3736
3888
{"open_files_limit", OPT_OPEN_FILES_LIMIT,
3737
N_("If this is not 0, then mysqld will use this value to reserve file "
3738
"descriptors to use with setrlimit(). If this value is 0 then mysqld "
3739
"will reserve max_connections*5 or max_connections + table_cache*2 "
3740
"(whichever is larger) number of files."),
3741
(char**) &open_files_limit, (char**) &open_files_limit, 0, GET_ULONG,
3889
"If this is not 0, then mysqld will use this value to reserve file descriptors to use with setrlimit(). If this value is 0 then mysqld will reserve max_connections*5 or max_connections + table_cache*2 (whichever is larger) number of files.",
3890
(uchar**) &open_files_limit, (uchar**) &open_files_limit, 0, GET_ULONG,
3742
3891
REQUIRED_ARG, 0, 0, OS_FILE_LIMIT, 0, 1, 0},
3743
3892
{"optimizer_prune_level", OPT_OPTIMIZER_PRUNE_LEVEL,
3744
N_("Controls the heuristic(s) applied during query optimization to prune "
3745
"less-promising partial plans from the optimizer search space. Meaning: "
3746
"0 - do not apply any heuristic, thus perform exhaustive search; "
3747
"1 - prune plans based on number of retrieved rows."),
3748
(char**) &global_system_variables.optimizer_prune_level,
3749
(char**) &max_system_variables.optimizer_prune_level,
3893
"Controls the heuristic(s) applied during query optimization to prune less-promising partial plans from the optimizer search space. Meaning: 0 - do not apply any heuristic, thus perform exhaustive search; 1 - prune plans based on number of retrieved rows.",
3894
(uchar**) &global_system_variables.optimizer_prune_level,
3895
(uchar**) &max_system_variables.optimizer_prune_level,
3750
3896
0, GET_ULONG, OPT_ARG, 1, 0, 1, 0, 1, 0},
3751
3897
{"optimizer_search_depth", OPT_OPTIMIZER_SEARCH_DEPTH,
3752
N_("Maximum depth of search performed by the query optimizer. Values "
3753
"larger than the number of relations in a query result in better query "
3754
"plans, but take longer to compile a query. Smaller values than the "
3755
"number of tables in a relation result in faster optimization, but may "
3756
"produce very bad query plans. If set to 0, the system will "
3757
"automatically pick a reasonable value; if set to MAX_TABLES+2, the "
3758
"optimizer will switch to the original find_best (used for "
3759
"testing/comparison)."),
3760
(char**) &global_system_variables.optimizer_search_depth,
3761
(char**) &max_system_variables.optimizer_search_depth,
3898
"Maximum depth of search performed by the query optimizer. Values larger than the number of relations in a query result in better query plans, but take longer to compile a query. Smaller values than the number of tables in a relation result in faster optimization, but may produce very bad query plans. If set to 0, the system will automatically pick a reasonable value; if set to MAX_TABLES+2, the optimizer will switch to the original find_best (used for testing/comparison).",
3899
(uchar**) &global_system_variables.optimizer_search_depth,
3900
(uchar**) &max_system_variables.optimizer_search_depth,
3762
3901
0, GET_ULONG, OPT_ARG, MAX_TABLES+1, 0, MAX_TABLES+2, 0, 1, 0},
3763
3902
{"plugin_dir", OPT_PLUGIN_DIR,
3764
N_("Directory for plugins."),
3765
(char**) &opt_plugin_dir_ptr, (char**) &opt_plugin_dir_ptr, 0,
3903
"Directory for plugins.",
3904
(uchar**) &opt_plugin_dir_ptr, (uchar**) &opt_plugin_dir_ptr, 0,
3766
3905
GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3767
3906
{"plugin_load", OPT_PLUGIN_LOAD,
3768
N_("Optional comma separated list of plugins to load, where each plugin is "
3769
"identified by the name of the shared library. "
3770
"[for example: --plugin_load=libmd5udf.so]"),
3771
(char**) &opt_plugin_load, (char**) &opt_plugin_load, 0,
3907
"Optional colon separated list of plugins to load, where each plugin is "
3908
"identified by name and path to library seperated by an equals.",
3909
(uchar**) &opt_plugin_load, (uchar**) &opt_plugin_load, 0,
3772
3910
GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3773
3911
{"preload_buffer_size", OPT_PRELOAD_BUFFER_SIZE,
3774
N_("The size of the buffer that is allocated when preloading indexes"),
3775
(char**) &global_system_variables.preload_buff_size,
3776
(char**) &max_system_variables.preload_buff_size, 0, GET_ULONG,
3912
"The size of the buffer that is allocated when preloading indexes",
3913
(uchar**) &global_system_variables.preload_buff_size,
3914
(uchar**) &max_system_variables.preload_buff_size, 0, GET_ULONG,
3777
3915
REQUIRED_ARG, 32*1024L, 1024, 1024*1024*1024L, 0, 1, 0},
3778
3916
{"query_alloc_block_size", OPT_QUERY_ALLOC_BLOCK_SIZE,
3779
N_("Allocation block size for query parsing and execution"),
3780
(char**) &global_system_variables.query_alloc_block_size,
3781
(char**) &max_system_variables.query_alloc_block_size, 0, GET_ULONG,
3917
"Allocation block size for query parsing and execution",
3918
(uchar**) &global_system_variables.query_alloc_block_size,
3919
(uchar**) &max_system_variables.query_alloc_block_size, 0, GET_ULONG,
3782
3920
REQUIRED_ARG, QUERY_ALLOC_BLOCK_SIZE, 1024, ULONG_MAX, 0, 1024, 0},
3783
3921
{"query_prealloc_size", OPT_QUERY_PREALLOC_SIZE,
3784
N_("Persistent buffer for query parsing and execution"),
3785
(char**) &global_system_variables.query_prealloc_size,
3786
(char**) &max_system_variables.query_prealloc_size, 0, GET_ULONG,
3922
"Persistent buffer for query parsing and execution",
3923
(uchar**) &global_system_variables.query_prealloc_size,
3924
(uchar**) &max_system_variables.query_prealloc_size, 0, GET_ULONG,
3787
3925
REQUIRED_ARG, QUERY_ALLOC_PREALLOC_SIZE, QUERY_ALLOC_PREALLOC_SIZE,
3788
3926
ULONG_MAX, 0, 1024, 0},
3789
3927
{"range_alloc_block_size", OPT_RANGE_ALLOC_BLOCK_SIZE,
3790
N_("Allocation block size for storing ranges during optimization"),
3791
(char**) &global_system_variables.range_alloc_block_size,
3792
(char**) &max_system_variables.range_alloc_block_size, 0, GET_ULONG,
3928
"Allocation block size for storing ranges during optimization",
3929
(uchar**) &global_system_variables.range_alloc_block_size,
3930
(uchar**) &max_system_variables.range_alloc_block_size, 0, GET_ULONG,
3793
3931
REQUIRED_ARG, RANGE_ALLOC_BLOCK_SIZE, RANGE_ALLOC_BLOCK_SIZE, ULONG_MAX,
3795
3933
{"read_buffer_size", OPT_RECORD_BUFFER,
3796
N_("Each thread that does a sequential scan allocates a buffer of this "
3797
"size for each table it scans. If you do many sequential scans, you may "
3798
"want to increase this value."),
3799
(char**) &global_system_variables.read_buff_size,
3800
(char**) &max_system_variables.read_buff_size,0, GET_ULONG, REQUIRED_ARG,
3801
128*1024L, IO_SIZE*2+MALLOC_OVERHEAD, INT32_MAX, MALLOC_OVERHEAD, IO_SIZE,
3934
"Each thread that does a sequential scan allocates a buffer of this size for each table it scans. If you do many sequential scans, you may want to increase this value.",
3935
(uchar**) &global_system_variables.read_buff_size,
3936
(uchar**) &max_system_variables.read_buff_size,0, GET_ULONG, REQUIRED_ARG,
3937
128*1024L, IO_SIZE*2+MALLOC_OVERHEAD, INT_MAX32, MALLOC_OVERHEAD, IO_SIZE,
3803
3939
{"read_only", OPT_READONLY,
3804
N_("Make all non-temporary tables read-only, with the exception for "
3805
"replication (slave) threads and users with the SUPER privilege"),
3806
(char**) &opt_readonly,
3807
(char**) &opt_readonly,
3940
"Make all non-temporary tables read-only, with the exception for replication (slave) threads and users with the SUPER privilege",
3941
(uchar**) &opt_readonly,
3942
(uchar**) &opt_readonly,
3808
3943
0, GET_BOOL, NO_ARG, 0, 0, 1, 0, 1, 0},
3809
3944
{"read_rnd_buffer_size", OPT_RECORD_RND_BUFFER,
3810
N_("When reading rows in sorted order after a sort, the rows are read "
3811
"through this buffer to avoid a disk seeks. If not set, then it's set "
3812
"to the value of record_buffer."),
3813
(char**) &global_system_variables.read_rnd_buff_size,
3814
(char**) &max_system_variables.read_rnd_buff_size, 0,
3945
"When reading rows in sorted order after a sort, the rows are read through this buffer to avoid a disk seeks. If not set, then it's set to the value of record_buffer.",
3946
(uchar**) &global_system_variables.read_rnd_buff_size,
3947
(uchar**) &max_system_variables.read_rnd_buff_size, 0,
3815
3948
GET_ULONG, REQUIRED_ARG, 256*1024L, 64 /*IO_SIZE*2+MALLOC_OVERHEAD*/ ,
3816
INT32_MAX, MALLOC_OVERHEAD, 1 /* Small lower limit to be able to test MRR */, 0},
3949
INT_MAX32, MALLOC_OVERHEAD, 1 /* Small lower limit to be able to test MRR */, 0},
3817
3950
{"record_buffer", OPT_RECORD_BUFFER,
3818
3951
"Alias for read_buffer_size",
3819
(char**) &global_system_variables.read_buff_size,
3820
(char**) &max_system_variables.read_buff_size,0, GET_ULONG, REQUIRED_ARG,
3821
128*1024L, IO_SIZE*2+MALLOC_OVERHEAD,
3822
INT32_MAX, MALLOC_OVERHEAD, IO_SIZE, 0},
3952
(uchar**) &global_system_variables.read_buff_size,
3953
(uchar**) &max_system_variables.read_buff_size,0, GET_ULONG, REQUIRED_ARG,
3954
128*1024L, IO_SIZE*2+MALLOC_OVERHEAD, INT_MAX32, MALLOC_OVERHEAD, IO_SIZE, 0},
3823
3955
{"relay_log_purge", OPT_RELAY_LOG_PURGE,
3824
N_("0 = do not purge relay logs. "
3825
"1 = purge them as soon as they are no more needed."),
3826
(char**) &relay_log_purge,
3827
(char**) &relay_log_purge, 0, GET_BOOL, NO_ARG,
3956
"0 = do not purge relay logs. 1 = purge them as soon as they are no more needed.",
3957
(uchar**) &relay_log_purge,
3958
(uchar**) &relay_log_purge, 0, GET_BOOL, NO_ARG,
3828
3959
1, 0, 1, 0, 1, 0},
3829
3960
{"relay_log_space_limit", OPT_RELAY_LOG_SPACE_LIMIT,
3830
N_("Maximum space to use for all relay logs."),
3831
(char**) &relay_log_space_limit,
3832
(char**) &relay_log_space_limit, 0, GET_ULL, REQUIRED_ARG, 0L, 0L,
3833
(int64_t) ULONG_MAX, 0, 1, 0},
3961
"Maximum space to use for all relay logs.",
3962
(uchar**) &relay_log_space_limit,
3963
(uchar**) &relay_log_space_limit, 0, GET_ULL, REQUIRED_ARG, 0L, 0L,
3964
(longlong) ULONG_MAX, 0, 1, 0},
3834
3965
{"slave_compressed_protocol", OPT_SLAVE_COMPRESSED_PROTOCOL,
3835
N_("Use compression on master/slave protocol."),
3836
(char**) &opt_slave_compressed_protocol,
3837
(char**) &opt_slave_compressed_protocol,
3966
"Use compression on master/slave protocol.",
3967
(uchar**) &opt_slave_compressed_protocol,
3968
(uchar**) &opt_slave_compressed_protocol,
3838
3969
0, GET_BOOL, NO_ARG, 0, 0, 1, 0, 1, 0},
3839
3970
{"slave_net_timeout", OPT_SLAVE_NET_TIMEOUT,
3840
N_("Number of seconds to wait for more data from a master/slave connection "
3841
"before aborting the read."),
3842
(char**) &slave_net_timeout, (char**) &slave_net_timeout, 0,
3971
"Number of seconds to wait for more data from a master/slave connection before aborting the read.",
3972
(uchar**) &slave_net_timeout, (uchar**) &slave_net_timeout, 0,
3843
3973
GET_ULONG, REQUIRED_ARG, SLAVE_NET_TIMEOUT, 1, LONG_TIMEOUT, 0, 1, 0},
3844
3974
{"slave_transaction_retries", OPT_SLAVE_TRANS_RETRIES,
3845
N_("Number of times the slave SQL thread will retry a transaction in case "
3846
"it failed with a deadlock or elapsed lock wait timeout, "
3847
"before giving up and stopping."),
3848
(char**) &slave_trans_retries, (char**) &slave_trans_retries, 0,
3849
GET_ULONG, REQUIRED_ARG, 10L, 0L, (int64_t) ULONG_MAX, 0, 1, 0},
3975
"Number of times the slave SQL thread will retry a transaction in case "
3976
"it failed with a deadlock or elapsed lock wait timeout, "
3977
"before giving up and stopping.",
3978
(uchar**) &slave_trans_retries, (uchar**) &slave_trans_retries, 0,
3979
GET_ULONG, REQUIRED_ARG, 10L, 0L, (longlong) ULONG_MAX, 0, 1, 0},
3850
3980
{"slave-allow-batching", OPT_SLAVE_ALLOW_BATCHING,
3851
N_("Allow slave to batch requests."),
3852
(char**) &slave_allow_batching, (char**) &slave_allow_batching,
3981
"Allow slave to batch requests.",
3982
(uchar**) &slave_allow_batching, (uchar**) &slave_allow_batching,
3853
3983
0, GET_BOOL, NO_ARG, 0, 0, 1, 0, 1, 0},
3854
3984
{"slow_launch_time", OPT_SLOW_LAUNCH_TIME,
3855
N_("If creating the thread takes longer than this value (in seconds), the "
3856
"Slow_launch_threads counter will be incremented."),
3857
(char**) &slow_launch_time, (char**) &slow_launch_time, 0, GET_ULONG,
3985
"If creating the thread takes longer than this value (in seconds), the Slow_launch_threads counter will be incremented.",
3986
(uchar**) &slow_launch_time, (uchar**) &slow_launch_time, 0, GET_ULONG,
3858
3987
REQUIRED_ARG, 2L, 0L, LONG_TIMEOUT, 0, 1, 0},
3859
3988
{"sort_buffer_size", OPT_SORT_BUFFER,
3860
N_("Each thread that needs to do a sort allocates a buffer of this size."),
3861
(char**) &global_system_variables.sortbuff_size,
3862
(char**) &max_system_variables.sortbuff_size, 0, GET_ULONG, REQUIRED_ARG,
3989
"Each thread that needs to do a sort allocates a buffer of this size.",
3990
(uchar**) &global_system_variables.sortbuff_size,
3991
(uchar**) &max_system_variables.sortbuff_size, 0, GET_ULONG, REQUIRED_ARG,
3863
3992
MAX_SORT_MEMORY, MIN_SORT_MEMORY+MALLOC_OVERHEAD*2, ULONG_MAX,
3864
3993
MALLOC_OVERHEAD, 1, 0},
3865
3994
{"sync-binlog", OPT_SYNC_BINLOG,
3866
N_("Synchronously flush binary log to disk after every #th event. "
3867
"Use 0 (default) to disable synchronous flushing."),
3868
(char**) &sync_binlog_period, (char**) &sync_binlog_period, 0, GET_ULONG,
3995
"Synchronously flush binary log to disk after every #th event. "
3996
"Use 0 (default) to disable synchronous flushing.",
3997
(uchar**) &sync_binlog_period, (uchar**) &sync_binlog_period, 0, GET_ULONG,
3869
3998
REQUIRED_ARG, 0, 0, ULONG_MAX, 0, 1, 0},
3999
{"sync-frm", OPT_SYNC_FRM, "Sync .frm to disk on create. Enabled by default.",
4000
(uchar**) &opt_sync_frm, (uchar**) &opt_sync_frm, 0, GET_BOOL, NO_ARG, 1, 0,
4002
{"table_cache", OPT_TABLE_OPEN_CACHE,
4003
"Deprecated; use --table_open_cache instead.",
4004
(uchar**) &table_cache_size, (uchar**) &table_cache_size, 0, GET_ULONG,
4005
REQUIRED_ARG, TABLE_OPEN_CACHE_DEFAULT, 1, 512*1024L, 0, 1, 0},
3870
4006
{"table_definition_cache", OPT_TABLE_DEF_CACHE,
3871
N_("The number of cached table definitions."),
3872
(char**) &table_def_size, (char**) &table_def_size,
4007
"The number of cached table definitions.",
4008
(uchar**) &table_def_size, (uchar**) &table_def_size,
3873
4009
0, GET_ULONG, REQUIRED_ARG, 128, 1, 512*1024L, 0, 1, 0},
3874
4010
{"table_open_cache", OPT_TABLE_OPEN_CACHE,
3875
N_("The number of cached open tables."),
3876
(char**) &table_cache_size, (char**) &table_cache_size, 0, GET_ULONG,
4011
"The number of cached open tables.",
4012
(uchar**) &table_cache_size, (uchar**) &table_cache_size, 0, GET_ULONG,
3877
4013
REQUIRED_ARG, TABLE_OPEN_CACHE_DEFAULT, 1, 512*1024L, 0, 1, 0},
3878
4014
{"table_lock_wait_timeout", OPT_TABLE_LOCK_WAIT_TIMEOUT,
3879
N_("Timeout in seconds to wait for a table level lock before returning an "
3880
"error. Used only if the connection has active cursors."),
3881
(char**) &table_lock_wait_timeout, (char**) &table_lock_wait_timeout,
4015
"Timeout in seconds to wait for a table level lock before returning an "
4016
"error. Used only if the connection has active cursors.",
4017
(uchar**) &table_lock_wait_timeout, (uchar**) &table_lock_wait_timeout,
3882
4018
0, GET_ULONG, REQUIRED_ARG, 50, 1, 1024 * 1024 * 1024, 0, 1, 0},
3883
4019
{"thread_cache_size", OPT_THREAD_CACHE_SIZE,
3884
N_("How many threads we should keep in a cache for reuse."),
3885
(char**) &thread_cache_size, (char**) &thread_cache_size, 0, GET_ULONG,
4020
"How many threads we should keep in a cache for reuse.",
4021
(uchar**) &thread_cache_size, (uchar**) &thread_cache_size, 0, GET_ULONG,
3886
4022
REQUIRED_ARG, 0, 0, 16384, 0, 1, 0},
3887
4023
{"thread_pool_size", OPT_THREAD_CACHE_SIZE,
3888
N_("How many threads we should create to handle query requests in case of "
3889
"'thread_handling=pool-of-threads'"),
3890
(char**) &thread_pool_size, (char**) &thread_pool_size, 0, GET_ULONG,
4024
"How many threads we should create to handle query requests in case of 'thread_handling=pool-of-threads'",
4025
(uchar**) &thread_pool_size, (uchar**) &thread_pool_size, 0, GET_ULONG,
3891
4026
REQUIRED_ARG, 20, 1, 16384, 0, 1, 0},
3892
4027
{"thread_stack", OPT_THREAD_STACK,
3893
N_("The stack size for each thread."),
3894
(char**) &my_thread_stack_size,
3895
(char**) &my_thread_stack_size, 0, GET_ULONG,
3896
REQUIRED_ARG,DEFAULT_THREAD_STACK,
4028
"The stack size for each thread.", (uchar**) &my_thread_stack_size,
4029
(uchar**) &my_thread_stack_size, 0, GET_ULONG, REQUIRED_ARG,DEFAULT_THREAD_STACK,
3897
4030
1024L*128L, ULONG_MAX, 0, 1024, 0},
3898
4031
{ "time_format", OPT_TIME_FORMAT,
3899
N_("The TIME format (for future)."),
3900
(char**) &opt_date_time_formats[DRIZZLE_TIMESTAMP_TIME],
3901
(char**) &opt_date_time_formats[DRIZZLE_TIMESTAMP_TIME],
4032
"The TIME format (for future).",
4033
(uchar**) &opt_date_time_formats[MYSQL_TIMESTAMP_TIME],
4034
(uchar**) &opt_date_time_formats[MYSQL_TIMESTAMP_TIME],
3902
4035
0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
3903
4036
{"tmp_table_size", OPT_TMP_TABLE_SIZE,
3904
N_("If an internal in-memory temporary table exceeds this size, MySQL will"
3905
" automatically convert it to an on-disk MyISAM table."),
3906
(char**) &global_system_variables.tmp_table_size,
3907
(char**) &max_system_variables.tmp_table_size, 0, GET_ULL,
4037
"If an internal in-memory temporary table exceeds this size, MySQL will"
4038
" automatically convert it to an on-disk MyISAM table.",
4039
(uchar**) &global_system_variables.tmp_table_size,
4040
(uchar**) &max_system_variables.tmp_table_size, 0, GET_ULL,
3908
4041
REQUIRED_ARG, 16*1024*1024L, 1024, MAX_MEM_TABLE_SIZE, 0, 1, 0},
3909
4042
{"transaction_alloc_block_size", OPT_TRANS_ALLOC_BLOCK_SIZE,
3910
N_("Allocation block size for transactions to be stored in binary log"),
3911
(char**) &global_system_variables.trans_alloc_block_size,
3912
(char**) &max_system_variables.trans_alloc_block_size, 0, GET_ULONG,
4043
"Allocation block size for transactions to be stored in binary log",
4044
(uchar**) &global_system_variables.trans_alloc_block_size,
4045
(uchar**) &max_system_variables.trans_alloc_block_size, 0, GET_ULONG,
3913
4046
REQUIRED_ARG, QUERY_ALLOC_BLOCK_SIZE, 1024, ULONG_MAX, 0, 1024, 0},
3914
4047
{"transaction_prealloc_size", OPT_TRANS_PREALLOC_SIZE,
3915
N_("Persistent buffer for transactions to be stored in binary log"),
3916
(char**) &global_system_variables.trans_prealloc_size,
3917
(char**) &max_system_variables.trans_prealloc_size, 0, GET_ULONG,
4048
"Persistent buffer for transactions to be stored in binary log",
4049
(uchar**) &global_system_variables.trans_prealloc_size,
4050
(uchar**) &max_system_variables.trans_prealloc_size, 0, GET_ULONG,
3918
4051
REQUIRED_ARG, TRANS_ALLOC_PREALLOC_SIZE, 1024, ULONG_MAX, 0, 1024, 0},
3919
4052
{"wait_timeout", OPT_WAIT_TIMEOUT,
3920
N_("The number of seconds the server waits for activity on a connection "
3921
"before closing it."),
3922
(char**) &global_system_variables.net_wait_timeout,
3923
(char**) &max_system_variables.net_wait_timeout, 0, GET_ULONG,
3924
REQUIRED_ARG, NET_WAIT_TIMEOUT, 1, LONG_TIMEOUT,
4053
"The number of seconds the server waits for activity on a connection before closing it.",
4054
(uchar**) &global_system_variables.net_wait_timeout,
4055
(uchar**) &max_system_variables.net_wait_timeout, 0, GET_ULONG,
4056
REQUIRED_ARG, NET_WAIT_TIMEOUT, 1, IF_WIN(INT_MAX32/1000, LONG_TIMEOUT),
3926
4058
{0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}
3929
static int show_net_compression(THD *thd __attribute__((unused)),
3931
char *buff __attribute__((unused)))
4061
static int show_net_compression(THD *thd, SHOW_VAR *var, char *buff)
3933
4063
var->type= SHOW_MY_BOOL;
3934
4064
var->value= (char *)&thd->net.compress;
3938
static st_show_var_func_container
3939
show_net_compression_cont= { &show_net_compression };
3941
4068
static int show_starttime(THD *thd, SHOW_VAR *var, char *buff)
3943
4070
var->type= SHOW_LONG;