PostgreSQL 8.2.23 Documentation | ||||
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The catalog pg_trigger stores triggers on tables. See CREATE TRIGGER for more information.
Table 43-33. pg_trigger Columns
Name | Type | References | Description |
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tgrelid | oid | pg_class.oid | The table this trigger is on |
tgname | name | Trigger name (must be unique among triggers of same table) | |
tgfoid | oid | pg_proc.oid | The function to be called |
tgtype | int2 | Bit mask identifying trigger conditions | |
tgenabled | bool | True if trigger is enabled | |
tgisconstraint | bool | True if trigger implements a referential integrity constraint | |
tgconstrname | name | Referential integrity constraint name | |
tgconstrrelid | oid | pg_class.oid | The table referenced by an referential integrity constraint |
tgdeferrable | bool | True if deferrable | |
tginitdeferred | bool | True if initially deferred | |
tgnargs | int2 | Number of argument strings passed to trigger function | |
tgattr | int2vector | Currently unused | |
tgargs | bytea | Argument strings to pass to trigger, each NULL-terminated |
Note: pg_class.reltriggers needs to agree with the number of triggers found in this table for the given relation.