Functions / System Information Functions And Operators

pg_notification_queue_usage

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.

Reading PG 18current·documented in 12 of 27 versions, 9.6 to 20

7.1 7.2 7.3 7.4 8.0 8.1 8.2 8.3 8.4 9.0 9.1 9.2 9.3 9.4 9.5 9.6 10 11 12 13 14 15 16 17 18 19 20

Signatures & examples

pg_notification_queue_usage () → double precision

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. See LISTEN and NOTIFY for more information.

Version history 2

12 → 13 changed
9.5 → 9.6 added

Definition snapshot: b7bd9cda · English manual source