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FUNCTIONS / SYSTEM ADMINISTRATION FUNCTIONS

pg_try_advisory_lock

Read PG 18 manual ↗

Obtains an exclusive session-level advisory lock if available.

Signatures & examples

pg_try_advisory_lock ( key bigint ) → boolean
Obtains an exclusive session-level advisory lock if available. This will either obtain the lock immediately and return true, or return false without waiting if the lock cannot be acquired immediately.
pg_try_advisory_lock ( key1 integer, key2 integer ) → boolean
Obtains an exclusive session-level advisory lock if available. This will either obtain the lock immediately and return true, or return false without waiting if the lock cannot be acquired immediately.
Version history 2
  1. PG 12 → 13changed
  2. PG 9.0 → 9.1changed

Definition snapshot: 2026-09-14T13:14:25.684213+00:00@99e6866c · English manual source