MySQL :: MySQL 8.3 Reference Manual :: 30.4.5.12 The ps_is_instrument_default

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MySQL 8.3 Reference Manual / ... / The ps_is_instrument_default_timed() Function

30.4.5.12 ps_is_instrument_default_timed() 函数

返回 YES 或 NO，以指示给定的性能模式仪表是否默认计时。

参数

in_instrument VARCHAR(128)：要检查的仪表的名称。

返回值

一个 ENUM('YES','NO') 值。

示例

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mysql> SELECT sys.ps_is_instrument_default_timed('memory/innodb/row_log_buf');
+-----------------------------------------------------------------+
| sys.ps_is_instrument_default_timed('memory/innodb/row_log_buf') |
+-----------------------------------------------------------------+
| NO                                                              |
+-----------------------------------------------------------------+
mysql> SELECT sys.ps_is_instrument_default_timed('statement/sql/alter_user');
+----------------------------------------------------------------+
| sys.ps_is_instrument_default_timed('statement/sql/alter_user') |
+----------------------------------------------------------------+
| YES                                                            |
+----------------------------------------------------------------+

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