52.21. 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
   
  
  .