51.44. pg_rewrite

The catalog pg_rewrite stores rewrite rules for tables and views.

Table 51.44. pg_rewrite Columns

NameTypeReferencesDescription
oidoid Row identifier (hidden attribute; must be explicitly selected)
rulenamename Rule name
ev_classoidpg_class.oidThe table this rule is for
ev_typechar Event type that the rule is for: 1 = SELECT , 2 = UPDATE , 3 = INSERT , 4 = DELETE
ev_enabledchar 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_insteadbool True if the rule is an INSTEAD rule
ev_qualpg_node_tree Expression tree (in the form of a nodeToString() representation) for the rule's qualifying condition
ev_actionpg_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.