PostgreSQL

PostgreSQL Elephant Logo

51.44. pg_rewrite

The catalog pg_rewrite stores rewrite rules for tables and views.

Table 51.44. pg_rewrite Columns

Name Type References Description

oid

oid

Row identifier

rulename

name

Rule name

ev_class

oid

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 “[.quote]#origin”# and “[.quote]#local”# modes, D = rule is disabled, R = rule fires in “[.quote]#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

51.43. pg_replication_origin

Home

51.45. pg_seclabel

Submit correction

If you see anything in the documentation that is not correct, does not match your experience with the particular feature or requires further clarification, please use this form to report a documentation issue.

Copyright © 1996-2023 The PostgreSQL Global Development Group