Google Cloud · Cloud SQL for PostgreSQL · PostgreSQL 18
Support status
Supported
Original vendor label
pg_hint_plan
Engine status
Generally available
Evidence coverage
Complete list
Scope
Per PostgreSQL major
Source captured
2026-08-24
PG18 availability is confirmed by the 2025-11-20 GA release note. Set cloudsql.enable_pg_hint_plan=on, or a cloudsqlsuperuser can LOAD it for one session; no version is stated.