This page in other versions: 8.4 / 9.0 / 9.1 / 9.2 / 9.3  |  Development versions: devel  |  Unsupported versions: 7.2 / 7.3 / 7.4 / 8.0 / 8.1 / 8.2 / 8.3

47.38. pg_rewrite

The catalog pg_rewrite stores rewrite rules for tables and views.

Table 47-38. pg_rewrite Columns

Name Type References Description
oid oid   Row identifier (hidden attribute; must be explicitly selected)
rulename name   Rule name
ev_class oid pg_class.oid The table this rule is for
ev_attr int2   The column this rule is for (currently, always -1 to indicate the whole table)
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.

Add Comment

Please use this form to add your own comments regarding your experience with particular features of PostgreSQL, clarifications of the documentation, or hints for other users. Please note, this is not a support forum, and your IP address will be logged. If you have a question or need help, please see the faq, try a mailing list, or join us on IRC. Note that submissions containing URLs or other keywords commonly found in 'spam' comments may be silently discarded. Please contact the webmaster if you think this is happening to you in error.

Proceed to the comment form.

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group