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MDEV-6138 show sysvar's help in I_S tables

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INFORMATION_SCHEMA.SYSTEM_VARIABLES
This commit is contained in:
Sergei Golubchik
2014-09-03 20:16:51 +02:00
parent beb2422ad8
commit 513f5840f8
36 changed files with 12327 additions and 73 deletions
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28
sql/sql_show.cc
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@ -116,10 +116,7 @@ static void get_cs_converted_string_value(THD *thd,
bool use_hex);
#endif
static void
append_algorithm(TABLE_LIST *table, String *buff);
static COND * make_cond_for_info_schema(COND *cond, TABLE_LIST *table);
static void append_algorithm(TABLE_LIST *table, String *buff);
bool get_lookup_field_values(THD *, COND *, TABLE_LIST *, LOOKUP_FIELD_VALUES *);
@ -3691,7 +3688,7 @@ bool uses_only_table_name_fields(Item *item, TABLE_LIST *table)
}
static COND * make_cond_for_info_schema(COND *cond, TABLE_LIST *table)
COND *make_cond_for_info_schema(COND *cond, TABLE_LIST *table)
{
if (!cond)
return (COND*) 0;
@ -8855,6 +8852,25 @@ ST_FIELD_INFO variables_fields_info[]=
};
ST_FIELD_INFO sysvars_fields_info[]=
{
{"VARIABLE_NAME", NAME_CHAR_LEN, MYSQL_TYPE_STRING, 0, 0, 0, 0},
{"SESSION_VALUE", 1024, MYSQL_TYPE_STRING, 0, MY_I_S_MAYBE_NULL, 0, 0},
{"GLOBAL_VALUE", 1024, MYSQL_TYPE_STRING, 0, MY_I_S_MAYBE_NULL, 0, 0},
{"DEFAULT_VALUE", 1024, MYSQL_TYPE_STRING, 0, MY_I_S_MAYBE_NULL, 0, 0},
{"VARIABLE_SCOPE", NAME_CHAR_LEN, MYSQL_TYPE_STRING, 0, 0, 0, 0},
{"VARIABLE_TYPE", NAME_CHAR_LEN, MYSQL_TYPE_STRING, 0, 0, 0, 0},
{"VARIABLE_COMMENT", TABLE_COMMENT_MAXLEN, MYSQL_TYPE_STRING, 0, 0, 0, 0},
{"NUMERIC_MIN_VALUE", MY_INT64_NUM_DECIMAL_DIGITS, MYSQL_TYPE_STRING, 0, MY_I_S_MAYBE_NULL, 0, 0},
{"NUMERIC_MAX_VALUE", MY_INT64_NUM_DECIMAL_DIGITS, MYSQL_TYPE_STRING, 0, MY_I_S_MAYBE_NULL, 0, 0},
{"NUMERIC_BLOCK_SIZE", MY_INT64_NUM_DECIMAL_DIGITS, MYSQL_TYPE_STRING, 0, MY_I_S_MAYBE_NULL, 0, 0},
{"ENUM_VALUE_LIST", 65535, MYSQL_TYPE_STRING, 0, MY_I_S_MAYBE_NULL, 0, 0},
{"READ_ONLY", 3, MYSQL_TYPE_STRING, 0, 0, 0, 0},
{"COMMAND_LINE_ARGUMENT", NAME_CHAR_LEN, MYSQL_TYPE_STRING, 0, MY_I_S_MAYBE_NULL, 0, 0},
{0, 0, MYSQL_TYPE_STRING, 0, 0, 0, 0}
};
ST_FIELD_INFO processlist_fields_info[]=
{
{"ID", 4, MYSQL_TYPE_LONGLONG, 0, 0, "Id", SKIP_OPEN_TABLE},
@ -9174,6 +9190,8 @@ ST_SCHEMA_TABLE schema_tables[]=
{"STATISTICS", stat_fields_info, create_schema_table,
get_all_tables, make_old_format, get_schema_stat_record, 1, 2, 0,
OPEN_TABLE_ONLY|OPTIMIZE_I_S_TABLE},
{"SYSTEM_VARIABLES", sysvars_fields_info, create_schema_table,
fill_sysvars, make_old_format, 0, 0, -1, 0, 0},
{"TABLES", tables_fields_info, create_schema_table,
get_all_tables, make_old_format, get_schema_tables_record, 1, 2, 0,
OPTIMIZE_I_S_TABLE},