SHOW ANALYZE STATUS

SHOW ANALYZE STATUS 语句提供 TiDB 正在执行的统计信息收集任务以及有限条历史任务记录。

语法图

ShowStmt:

ShowStmt

ShowTargetFilterable:

ShowTargetFilterable

示例

create table t(x int, index idx(x)) partition by hash(x) partition 4; analyze table t; show analyze status;
+--------------+------------+----------------+-------------------+----------------+---------------------+----------+ | Table_schema | Table_name | Partition_name | Job_info | Processed_rows | Start_time | State | +--------------+------------+----------------+-------------------+----------------+---------------------+----------+ | test | t | p1 | analyze columns | 0 | 2020-05-25 17:23:55 | finished | | test | t | p0 | analyze columns | 0 | 2020-05-25 17:23:55 | finished | | test | t | p0 | analyze index idx | 0 | 2020-05-25 17:23:55 | finished | | test | t | p1 | analyze index idx | 0 | 2020-05-25 17:23:55 | finished | | test | t | p2 | analyze index idx | 0 | 2020-05-25 17:23:55 | finished | | test | t | p3 | analyze index idx | 0 | 2020-05-25 17:23:55 | finished | | test | t | p3 | analyze columns | 0 | 2020-05-25 17:23:55 | finished | | test | t | p2 | analyze columns | 0 | 2020-05-25 17:23:55 | finished | +--------------+------------+----------------+-------------------+----------------+---------------------+----------+ 8 rows in set (0.00 sec)

MySQL 兼容性

该语句是 TiDB 对 MySQL 语法的扩展。

另请参阅