PostgreSQL 9.4.0 Documentation
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# 48.21. `pg_event_trigger`

The catalog `pg_event_trigger` stores event triggers. See Chapter 37 for more information.

Table 48-21. `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.

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