ps_is_instrument_default_enabled

This function checks if a given Performance Schema instrument is enabled by default, returning YES or NO.

Sys Schema is available from MariaDB 10.6.

Syntax

sys.ps_is_instrument_default_enabled(instrument)

Description

ps_is_instrument_default_enabled is a stored function available with the Sys Schema.

It returns YES if the given Performance Schema instrument is enabled by default, and NO if it is not, does not exist, or is a NULL value.

Examples

SELECT sys.ps_is_instrument_default_enabled('statement/sql/select');
+--------------------------------------------------------------+
| sys.ps_is_instrument_default_enabled('statement/sql/select') |
+--------------------------------------------------------------+
| YES                                                          |
+--------------------------------------------------------------+

SELECT sys.ps_is_instrument_default_enabled('memory/sql/udf_mem');
+------------------------------------------------------------+
| sys.ps_is_instrument_default_enabled('memory/sql/udf_mem') |
+------------------------------------------------------------+
| NO                                                         |
+------------------------------------------------------------+

SELECT sys.ps_is_instrument_default_enabled('memory/sql/nonexistent');
+----------------------------------------------------------------+
| sys.ps_is_instrument_default_enabled('memory/sql/nonexistent') |
+----------------------------------------------------------------+
| NO                                                             |
+----------------------------------------------------------------+

SELECT sys.ps_is_instrument_default_enabled(NULL);
+--------------------------------------------+
| sys.ps_is_instrument_default_enabled(NULL) |
+--------------------------------------------+
| NO                                         |
+--------------------------------------------+

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