ANALYZE_STATUS

ANALYZE_STATUS 表提供正在执行的收集统计信息的任务以及有限条历史任务记录。

USE information_schema; DESC analyze_status;
+----------------+---------------------+------+------+---------+-------+ | Field | Type | Null | Key | Default | Extra | +----------------+---------------------+------+------+---------+-------+ | TABLE_SCHEMA | varchar(64) | YES | | NULL | | | TABLE_NAME | varchar(64) | YES | | NULL | | | PARTITION_NAME | varchar(64) | YES | | NULL | | | JOB_INFO | varchar(64) | YES | | NULL | | | PROCESSED_ROWS | bigint(20) unsigned | YES | | NULL | | | START_TIME | datetime | YES | | NULL | | | STATE | varchar(64) | YES | | NULL | | +----------------+---------------------+------+------+---------+-------+ 7 rows in set (0.00 sec)
SELECT * FROM `ANALYZE_STATUS`;
+--------------+------------+----------------+-------------------+----------------+---------------------+----------+ | TABLE_SCHEMA | TABLE_NAME | PARTITION_NAME | JOB_INFO | PROCESSED_ROWS | START_TIME | STATE | +--------------+------------+----------------+-------------------+----------------+---------------------+----------+ | test | t | | analyze index idx | 2 | 2019-06-21 19:51:14 | finished | | test | t | | analyze columns | 2 | 2019-06-21 19:51:14 | finished | | test | t1 | p0 | analyze columns | 0 | 2019-06-21 19:51:15 | finished | | test | t1 | p3 | analyze columns | 0 | 2019-06-21 19:51:15 | finished | | test | t1 | p1 | analyze columns | 0 | 2019-06-21 19:51:15 | finished | | test | t1 | p2 | analyze columns | 1 | 2019-06-21 19:51:15 | finished | +--------------+------------+----------------+-------------------+----------------+---------------------+----------+ 6 rows in set

ANALYZE_STATUS 表中列的含义如下:

  • TABLE_SCHEMA:表所属的数据库的名称。
  • TABLE_NAME:表的名称。
  • PARTITION_NAME:分区表的名称。
  • JOB_INFOANALYZE 任务的信息。
  • PROCESSED_ROWS:已经处理的行数。
  • START_TIMEANALYZE 任务的开始时间。
  • STATEANALYZE 任务的执行状态。其值可以是 pendingrunningfinished 或者 failed

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