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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 catalog pg_event_trigger stores event triggers. See Chapter 36 for more information.
Table 47-12. pg_event_trigger Columns
| Name | Type | References | Description |
|---|---|---|---|
| evtname | name | Trigger name (must be unique) | |
| evtevent | name | Identifies the event for which this trigger fires | |
| evtowner | oid | pg_authid.oid | Owner of the event trigger |
| evtfoid | oid | pg_proc.oid | The function to be called |
| evtenabled | char | Controls in which session_replication_role modes the event trigger fires. O = trigger fires in "origin" and "local" modes, D = trigger is disabled, R = trigger fires in "replica" mode, A = trigger fires always. | |
| evttags | text[] | Command tags for which this trigger will fire. If NULL, the firing of this trigger is not restricted on the basis of the command tag. |