我的书签
添加书签
移除书签pg_rewrite
The pg_rewrite system catalog table stores rewrite rules for tables and views. pg_class.relhasrules must be true if a table has any rules in this catalog.
| column | type | references | description |
|---|---|---|---|
rulename | name | Rule name. | |
ev_class | oid | pg_class.oid | The table this rule is for. |
ev_attr | int2 | The column this rule is for (currently, always zero to indicate the whole table). | |
ev_type | char | Event type that the rule is for: 1 = SELECT, 2 = UPDATE, 3 = INSERT, 4 = DELETE. | |
is_instead | boolean | True if the rule is an INSTEAD rule. | |
ev_qual | text | Expression tree (in the form of a nodeToString() representation) for the rule’s qualifying condition. | |
ev_action | text | Query tree (in the form of a nodeToString() representation) for the rule’s action. |
Parent topic: System Catalogs Definitions
