Function str_to_date is incompatible with Mysql

[qw4990]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. What did you do?
   If possible, provide a recipe for reproducing the error.

mysql> select str_to_date('15-01-2001 2:59:58.999', '%d-%m-%Y %H:%i:%s.%f');

2. What did you expect to see?
   In Mysql

mysql> select str_to_date('15-01-2001 2:59:58.999', '%d-%m-%Y %H:%i:%s.%f');
+---------------------------------------------------------------+
| str_to_date('15-01-2001 2:59:58.999', '%d-%m-%Y %H:%i:%s.%f') |
+---------------------------------------------------------------+
| 2001-01-15 02:59:58.999000                                    |
+---------------------------------------------------------------+
1 row in set (0.00 sec)

3. What did you see instead?
   In TiDB

mysql> select str_to_date('15-01-2001 2:59:58.999', '%d-%m-%Y %H:%i:%s.%f');
+---------------------------------------------------------------+
| str_to_date('15-01-2001 2:59:58.999', '%d-%m-%Y %H:%i:%s.%f') |
+---------------------------------------------------------------+
| NULL                                                          |
+---------------------------------------------------------------+
1 row in set, 1 warning (0.00 sec)

4. What version of TiDB are you using (tidb-server -V or run select tidb_version(); on TiDB)?

mysql> select tidb_version()
    -> ;
+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| tidb_version()                                                                                                                                                                                                                                                                                                                     |
+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Release Version: v3.0.0-beta-197-g52c8267a7
Git Commit Hash: 52c8267a735dbb5e14b07c361ab8caa3efff5631
Git Branch: master
UTC Build Time: 2019-03-12 06:53:10
GoVersion: go version go1.12 darwin/amd64
Race Enabled: false
TiKV Min Version: 2.1.0-alpha.1-ff3dd160846b7d1aed9079c389fc188f7f5ea13e
Check Table Before Drop: false |
+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)