pg_rules #
   The view pg_rules provides access to
   useful information about query rewrite rules.
  
Table 52.21. pg_rules Columns
Column Type Description  | 
|---|
        Name of schema containing table  | 
        Name of table the rule is for  | 
        Name of rule  | 
        Rule definition (a reconstructed creation command)  | 
   The pg_rules view excludes the ON SELECT rules
   of views and materialized views; those can be seen in
   pg_views and pg_matviews.