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PG.CENTER connects PostgreSQL documentation, reference, and ecosystem knowledge. Maintained by Pigsty.

FUNCTIONS / SYSTEM ADMINISTRATION FUNCTIONS

pg_advisory_xact_lock

Read PG 18 manual ↗

Obtains an exclusive transaction-level advisory lock, waiting if necessary.

Signatures & examples

pg_advisory_xact_lock ( key bigint ) → void
Obtains an exclusive transaction-level advisory lock, waiting if necessary.
pg_advisory_xact_lock ( key1 integer, key2 integer ) → void
Obtains an exclusive transaction-level advisory lock, waiting if necessary.
Version history 2
  1. PG 12 → 13changed
  2. PG 9.0 → 9.1added

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