51.44. pg_rewrite
The catalog pg_rewrite
stores rewrite rules for tables and views.
Table 51.44. pg_rewrite
Columns
Note
pg_class.relhasrules
must be true if a table has any rules in this catalog.
Last updated
The catalog pg_rewrite
stores rewrite rules for tables and views.
Table 51.44. pg_rewrite
Columns
pg_class.relhasrules
must be true if a table has any rules in this catalog.
Last updated
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_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