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MDEV-6137 better help for SET/ENUM sysvars

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Auto-generate the allowed list of values for enum/set/flagset options
in --help output. But don't do that when the help text already has them.

Also, remove lists of values from help strings of various options, where
they were simply listed without any additional information.
This commit is contained in:
Sergei Golubchik 2014-06-19 12:02:23 +02:00
commit dc64ba2187
22 changed files with 263 additions and 260 deletions
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14
storage/maria/ha_maria.cc
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@ -217,9 +217,7 @@ static MYSQL_SYSVAR_ULONG(group_commit_interval, maria_group_commit_interval,
static MYSQL_SYSVAR_ENUM(log_purge_type, log_purge_type,
PLUGIN_VAR_RQCMDARG,
"Specifies how Aria transactional log will be purged. "
"Possible values of name are \"immediate\", \"external\" "
"and \"at_flush\"",
"Specifies how Aria transactional log will be purged",
NULL, NULL, TRANSLOG_PURGE_IMMIDIATE,
&maria_translog_purge_type_typelib);
@ -251,9 +249,7 @@ static MYSQL_SYSVAR_ULONG(pagecache_division_limit, pagecache_division_limit,
100, 1, 100, 1);
static MYSQL_SYSVAR_SET(recover, maria_recover_options, PLUGIN_VAR_OPCMDARG,
"Specifies how corrupted tables should be automatically repaired."
" Possible values are one or more of \"NORMAL\" (the default), "
"\"BACKUP\", \"FORCE\", or \"QUICK\".",
"Specifies how corrupted tables should be automatically repaired",
NULL, NULL, HA_RECOVER_DEFAULT, &maria_recover_typelib);
static MYSQL_THDVAR_ULONG(repair_threads, PLUGIN_VAR_RQCMDARG,
@ -268,13 +264,11 @@ static MYSQL_THDVAR_ULONGLONG(sort_buffer_size, PLUGIN_VAR_RQCMDARG,
static MYSQL_THDVAR_ENUM(stats_method, PLUGIN_VAR_RQCMDARG,
"Specifies how Aria index statistics collection code should treat "
"NULLs. Possible values are \"nulls_unequal\", \"nulls_equal\", "
"and \"nulls_ignored\".", 0, 0, 0, &maria_stats_method_typelib);
"NULLs", 0, 0, 0, &maria_stats_method_typelib);
static MYSQL_SYSVAR_ENUM(sync_log_dir, sync_log_dir, PLUGIN_VAR_RQCMDARG,
"Controls syncing directory after log file growth and new file "
"creation. Possible values are \"never\", \"newfile\" and "
"\"always\").", NULL, NULL, TRANSLOG_SYNC_DIR_NEWFILE,
"creation", NULL, NULL, TRANSLOG_SYNC_DIR_NEWFILE,
&maria_sync_log_dir_typelib);
#ifdef USE_ARIA_FOR_TMP_TABLES