DROP RULE
Read PG 18 manual ↗remove a rewrite rule
Syntax
DROP RULE [ IF EXISTS ] name ON table_name [ CASCADE | RESTRICT ]
Syntax diagrams
Read left to right. Branches are choices, bypasses are optional, loops repeat. Select an underlined parameter to open its rule.
Description
DROP RULE drops a rewrite rule.
Parameters
IF EXISTSDo not throw an error if the rule does not exist. A notice is issued in this case.
nameThe name of the rule to drop.
table_nameThe name (optionally schema-qualified) of the table or view that the rule applies to.
CASCADEAutomatically drop objects that depend on the rule, and in turn all objects that depend on those objects (see Section 5.15).
RESTRICTRefuse to drop the rule if any objects depend on it. This is the default.
Examples
To drop the rewrite rule newrule:
DROP RULE newrule ON mytable;
Compatibility
DROP RULE is a PostgreSQL language extension, as is the entire query rewrite system.
See Also
CREATE RULE, ALTER RULEVersion history 4
- PG 19 → 20changed
- PG 18 → 19changed
- PG 16 → 17changed
- PG 11 → 12changed
Related entries
Definition snapshot: 2026-09-14T13:14:25.700916+00:00@99e6866c · English manual source