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Note: The following description applies both to Postgres-XC and PostgreSQL if not described explicitly. You can read PostgreSQL as Postgres-XC except for version number, which is specific to each product.
The view pg_rules provides access to useful information about query rewrite rules.
Table 47-68. pg_rules Columns
| Name | Type | References | Description |
|---|---|---|---|
| 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 and materialized views; those can be seen in pg_views and pg_matviews.