| 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 | bool | | 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
|