Incorrect error message for tidb_gc_life_time of less than 10m

[dveeden]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

mysql> set global tidb_gc_life_time='10m0s';
Query OK, 0 rows affected (0.01 sec)

mysql> set global tidb_gc_life_time='9m0s';
ERROR 1232 (42000): Incorrect argument type to variable 'tidb_gc_life_time'
mysql> set global tidb_gc_life_time='9m59s';
ERROR 1232 (42000): Incorrect argument type to variable 'tidb_gc_life_time'
mysql> set global tidb_gc_life_time='9m60s';
Query OK, 0 rows affected (0.00 sec)

mysql> select tidb_version();
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| tidb_version()                                                                                                                                                                                                                                                                                                     |
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Release Version: v5.0.0
Edition: Community
Git Commit Hash: bdac0885cd11bdf571aad9353bfc24e13554b91c
Git Branch: heads/refs/tags/v5.0.0
UTC Build Time: 2021-04-06 16:36:29
GoVersion: go1.13
Race Enabled: false
TiKV Min Version: v3.0.0-60965b006877ca7234adaced7890d7b029ed1306
Check Table Before Drop: false |
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)

2. What did you expect to see? (Required)

Either the value being accepted or an error indicating that the value is out of bounds.

3. What did you see instead (Required)

Error about the type of the argument

4. What is your TiDB version? (Required)