November 13, 2025: PostgreSQL 18.1, 17.7, 16.11, 15.15, 14.20, and 13.23 Released!
Supported Versions: Current (18) / 17 / 16 / 15 / 14
Development Versions: devel
Unsupported versions: 13 / 12 / 11 / 10 / 9.6 / 9.5 / 9.4 / 9.3 / 9.2 / 9.1 / 9.0 / 8.4 / 8.3 / 8.2 / 8.1 / 8.0 / 7.4 / 7.3 / 7.2
This documentation is for an unsupported version of PostgreSQL.
You may want to view the same page for the current version, or one of the other supported versions listed above instead.
51.43. pg_rewrite
Prev  Up Chapter 51. System Catalogs Home  Next

51.43. pg_rewrite

The catalog pg_rewrite stores rewrite rules for tables and views.

Table 51.43. pg_rewrite Columns

Column Type

Description

oid oid

Row identifier

rulename name

Rule name

ev_class oid (references pg_class.oid)

The table this rule is for

ev_type char

Event type that the rule is for: 1 = SELECT, 2 = UPDATE, 3 = INSERT, 4 = DELETE

ev_enabled char

Controls in which session_replication_role modes the rule fires. O = rule fires in “origin” and “local” modes, D = rule is disabled, R = rule fires in “replica” mode, A = rule fires always.

is_instead bool

True if the rule is an INSTEAD rule

ev_qual pg_node_tree

Expression tree (in the form of a nodeToString() representation) for the rule's qualifying condition

ev_action pg_node_tree

Query tree (in the form of a nodeToString() representation) for the rule's action

Note

pg_class.relhasrules must be true if a table has any rules in this catalog.

Prev  Up  Next
51.42. pg_replication_origin  Home  51.44. pg_seclabel