The catalog pg_rewrite stores rewrite rules for tables and views.
Table 49-40. pg_rewrite Columns
|oid||oid||Row identifier (hidden attribute; must be explicitly selected)|
|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
|ev_action||pg_node_tree||Query tree (in the form of a
Note: pg_class.relhasrules must be true if a table has any rules in this catalog.
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.