53.45. pg_rewrite #
 The catalog pg_rewrite stores rewrite rules for tables and views. 
Table 53.45. pg_rewrite Columns
| Column Type Description | 
|---|
| 
 Row identifier | 
| 
 Rule name | 
| 
 The table this rule is for | 
| 
 Event type that the rule is for: 1 = SELECT, 2 = UPDATE, 3 = INSERT, 4 = DELETE | 
| 
  Controls in which session_replication_role modes the rule fires.  | 
| 
  True if the rule is an  | 
| 
  Expression tree (in the form of a  | 
| 
  Query tree (in the form of a  | 
Note
pg_class.relhasrules must be true if a table has any rules in this catalog.