yibin

Results 81 comments of yibin

> ``` > Find the "copyright-owner" attribute doesn't work correctly. For example: > Even when I specify copyright-owner: Bla-Bla, then on the license header, I write: > // Copyright 2022...

> @yibin87 please provide full steps that you do @kezhenxu94 Added more details in issue descriptions.

Explain Analyze: ``` mysql> explain analyze SELECT c0 FROM t1 WHERE ((CASE (t1.c0 IS NULL) WHEN true THEN 0.1 ELSE 1 END )) LIKE 1; +-------------+---------+---------+------+---------------+----------------------------------+---------------+--------+------+ | id | estRows...

The root cause is tikv's cast decimal as date is not consistent with tidb. If planner generates two-phase agg, then tikv will execute the cast decimal as date, otherwise, tidb...

Group by null is not realistic clause, MySQL even doesn't support this statement: ``` mysql> SELECT t0.c0 FROM t0 NATURAL RIGHT JOIN t1 GROUP BY NULL; ERROR 1055 (42000): Expression...

Maybe we should just report error for such statement instead of producing any output: ``` mysql> explain SELECT t0.c0 FROM t0 NATURAL RIGHT JOIN t1 GROUP BY NULL; +--------------------------------+---------+-----------+---------------+------------------------------------------------------+ |...