pg_notification_queue_usage () → double precisionReturns the fraction (0–1) of the asynchronous notification queue's maximum size that is currently occupied by notifications that are waiting to be processed. See LISTEN and NOTIFY for more information.
FUNCTIONS / SYSTEM INFORMATION FUNCTIONS AND OPERATORS
pg_notification_queue_usage
Read PG 18 manual ↗Returns the fraction (0–1) of the asynchronous notification queue's maximum size that is currently occupied by notifications that are waiting to be processed.
Signatures & examples
Version history 2
- PG 12 → 13changed
- PG 9.5 → 9.6added
Definition snapshot: 2026-09-14T13:14:25.684213+00:00@99e6866c · English manual source