The view pg_rules provides access to useful information about query rewrite rules.
Table 42-40. pg_rules Columns
|schemaname||name||pg_namespace.nspname||name of schema containing table|
|tablename||name||pg_class.relname||name of table the rule is for|
|rulename||name||pg_rewrite.rulename||name of rule|
|definition||text||rule definition (a reconstructed creation command)|
The pg_rules view excludes the ON SELECT rules of views; those can be seen in pg_views.