AND ( SELECT cc.ENABLED FROM performance_schema.setup_consumers cc WHERE NAME = CONCAT(SUBSTRING_INDEX(c.NAME, '_', 2), '_current') ) = 'YES', 'YES', 'NO') END) AS IsEnabled FROM performance_schema.setup_consumers c INNER JOIN performance_schema.setup_consumers cg INNER JOIN performance_schema.setup_consumers ct WHERE cg.NAME = 'global_instrumentation' AND ct.NAME = 'thread_instrumentation' AND c.NAME = in_consumer ); END Description Determines whether a consumer is enabled (taking the consumer hierarchy into consideration) within the Performance Schema. Parameters in_consumer VARCHAR(64): The name of the consumer to check. Returns ENUM('YES', 'NO') Example mysql> SELECT sys.ps_is_consumer_enabled('events_stages_history'); +-----------------------------------------------------+ | sys.ps_is_consumer_enabled('events_stages_history') | +-----------------------------------------------------+ | NO | +-----------------------------------------------------+ 1 row in set (0.00 sec) BEGIN RETURN ( SELECT (CASE WHEN c.NAME = 'global_instrumentation' THEN c.ENABLED WHEN c.NAME = 'thread_instrumentation' THEN IF(cg.ENABLED = 'YES' AND c.ENABLED = 'YES', 'YES', 'NO') WHEN c.NAME LIKE '%\_digest' THEN IF(cg.ENABLED = 'YES' AND c.ENABLED = 'YES', 'YES', 'NO') WHEN c.NAME LIKE '%\_current' THEN IF(cg.ENABLED = 'YES' AND ct.ENABLED = 'YES' AND c.ENABLED = 'YES', 'YES', 'NO') ELSE IF(cg.ENABLED = 'YES' AND ct.ENABLED = 'YES' AND c.ENABLED = 'YES' AND ( SELECT cc.ENABLED FROM performance_schema.setup_consumers cc WHERE NAME = CONCAT(SUBSTRING_INDEX(c.NAME, '_', 2), '_current') ) = 'YES', 'YES', 'NO') END) AS IsEnabled FROM performance_schema.setup_consumers c INNER JOIN performance_schema.setup_consumers cg INNER JOIN performance_schema.setup_consumers ct WHERE cg.NAME = 'global_instrumentation' AND ct.NAME = 'thread_instrumentation' AND c.NAME = in_consumer ); END