| Bug #69022 | add one column in "show variables" to show the read-only attribute | ||
|---|---|---|---|
| Submitted: | 21 Apr 2013 11:56 | Modified: | 21 Apr 2013 12:04 |
| Reporter: | xiaobin lin (OCA) | Email Updates: | |
| Status: | Verified | Impact on me: | |
| Category: | MySQL Server: Options | Severity: | S4 (Feature request) |
| Version: | 5.5+ | OS: | Any |
| Assigned to: | CPU Architecture: | Any | |
| Tags: | Contribution, read-only, show variables | ||
[21 Apr 2013 12:04]
MySQL Verification Team
Thank you for a feature request and contribution!

Description: A new column in the result of "show variables" to show whether the variable is read-only. How to repeat: as above Suggested fix: simple patch based on 5.6.10 --- sql/sql_show.cc (revision 1) +++ sql/sql_show.cc (working copy) @@ -2589,6 +2589,8 @@ thd->count_cuted_fields= CHECK_FIELD_IGNORE; table->field[1]->set_notnull(); + table->field[2]->store(((sys_var *)(var->value))->is_readonly() ? "Y" : "N", 1, charset); + mysql_mutex_unlock(&LOCK_global_system_variables); if (schema_table_store_record(thd, table)) @@ -7768,6 +7770,7 @@ {"VARIABLE_NAME", 64, MYSQL_TYPE_STRING, 0, 0, "Variable_name", SKIP_OPEN_TABLE}, {"VARIABLE_VALUE", 1024, MYSQL_TYPE_STRING, 0, 1, "Value", SKIP_OPEN_TABLE}, + {"READ-ONLY", 64, MYSQL_TYPE_STRING, 0, 0, "Read_only", SKIP_OPEN_TABLE}, {0, 0, MYSQL_TYPE_STRING, 0, 0, 0, SKIP_OPEN_TABLE} };