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MySQL 8.4 Reference Manual  /  ...  /  The ps_is_instrument_default_enabled() Function

30.4.5.11 The ps_is_instrument_default_enabled() Function

返回一个表示指定性能架构仪器是否默认启用的YESNO值。

  • in_instrument VARCHAR(128): 指定的仪器名称。

一个ENUM('YES','NO')值。

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