更新时间:2024-05-07 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)