PG_TRIGGER

PG_TRIGGER records the trigger information.

Name	Type	Description
tgrelid	oid	OID of the table where the trigger is located.
tgname	name	Trigger name.
tgfoid	oid	Trigger OID.
tgtype	smallint	Trigger type
tgenabled	"char"	O: The trigger fires in "origin" or "local" mode. D: The trigger is disabled. R: The trigger fires in "replica" mode. A: The trigger always fires.
tgisinternal	boolean	Internal trigger ID. If the value is true, it indicates an internal trigger.
tgconstrrelid	oid	The table referenced by the integrity constraint
tgconstrindid	oid	Index of the integrity constraint
tgconstraint	oid	OID of the constraint trigger in the pg_constraint
tgdeferrable	boolean	The constraint trigger is of the DEFERRABLE type.
tginitdeferred	boolean	whether the trigger is of the INITIALLY DEFERRED type
tgnargs	smallint	Input parameters number of the trigger function
tgattr	int2vector	Column ID specified by the trigger. If no column is specified, an empty array is used.
tgargs	bytea	Parameter transferred to the trigger
tgqual	pg_node_tree	Indicates the WHEN condition of the trigger. If the WHEN condition does not exist, the value is null.