更新时间:2025-05-29 GMT+08:00

hotkey特性函数

gs_stat_get_hotkeys_info()

描述:获取本地节点查询的热词信息。

返回值类型:Tuple

示例:

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gaussdb=# SELECT * FROM  gs_stat_get_hotkeys_info() order by count, hash_value;
 database_name | schema_name |    table_name     | key_value | hash_value | count 
---------------+-------------+-------------------+-----------+------------+-------
 regression    | public      | hotkey_single_col | {22}      | 1858004829 |     2
 regression    | public      | hotkey_single_col | {11}      | 2011968649 |     2
(2 rows)

gs_stat_clean_hotkeys()

描述:清理hotkey缓存,重置hotkey状态信息。

返回值类型:bool,恒为true

示例:

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gaussdb=# SELECT * FROM  gs_stat_clean_hotkeys();
 gs_stat_clean_hotkeys 
-----------------------
 t
(1 row)