Postgresql 中文操作指南

53.21. pg_event_trigger #

目录 _pg_event_trigger_存储事件触发器。有关更多信息，请参见 Chapter 40。

The catalog pg_event_trigger stores event triggers. See Chapter 40 for more information.

Table 53.21. pg_event_trigger Columns

Column Type

Description

oid oid

Row identifier

evtname name

Trigger name (must be unique)

evtevent name

Identifies the event for which this trigger fires

evtowner oid (references pg_authid.oid)

Owner of the event trigger

evtfoid oid (references 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.