diff --git a/TOC.md b/TOC.md index ea8659c81897..4bccc44dcc5a 100644 --- a/TOC.md +++ b/TOC.md @@ -296,6 +296,7 @@ - [`SET PASSWORD`](/sql-statements/sql-statement-set-password.md) - [`SET TRANSACTION`](/sql-statements/sql-statement-set-transaction.md) - [`SET [GLOBAL|SESSION] `](/sql-statements/sql-statement-set-variable.md) + - [`SHOW ANALYZE STATUS`](/sql-statements/sql-statement-show-analyze-status.md) - [`SHOW BINDINGS`](/sql-statements/sql-statement-show-bindings.md) - [`SHOW BUILTINS`](/sql-statements/sql-statement-show-builtins.md) - [`SHOW CHARACTER SET`](/sql-statements/sql-statement-show-character-set.md) diff --git a/sql-statements/sql-statement-show-analyze-status.md b/sql-statements/sql-statement-show-analyze-status.md new file mode 100644 index 000000000000..88648c67d6ae --- /dev/null +++ b/sql-statements/sql-statement-show-analyze-status.md @@ -0,0 +1,49 @@ +--- +title: SHOW ANALYZE STATUS +summary: TiDB 数据库中 SHOW ANALYZE STATUS 的使用概况。 +category: reference +--- + +# 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](/media/sqlgram/ShowStmt.png) + +**ShowTargetFilterable:** + +![ShowTargetFilterable](/media/sqlgram/ShowTargetFilterable.png) + +## 示例 + +{{< copyable "sql" >}} + +```sql +create table t(x int, index idx(x)) partition by hash(x) partition 4; +analyze table t; +show analyze status; +``` + +```sql ++--------------+------------+----------------+-------------------+----------------+---------------------+----------+ +| 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) +``` + +## 另请参阅 + +* [ANALYZE_STATUS 表](/system-tables/system-table-information-schema.md#analyze_status-表) \ No newline at end of file