/*-------------------------------------------------------------------------
 *
 * pg_trigger_d.h
 *    Macro definitions for pg_trigger
 *
 * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * NOTES
 *  ******************************
 *  *** DO NOT EDIT THIS FILE! ***
 *  ******************************
 *
 *  It has been GENERATED by src/backend/catalog/genbki.pl
 *
 *-------------------------------------------------------------------------
 */
#ifndef PG_TRIGGER_D_H
#define PG_TRIGGER_D_H

#define TriggerRelationId 2620

#define Anum_pg_trigger_oid 1
#define Anum_pg_trigger_tgrelid 2
#define Anum_pg_trigger_tgname 3
#define Anum_pg_trigger_tgfoid 4
#define Anum_pg_trigger_tgtype 5
#define Anum_pg_trigger_tgenabled 6
#define Anum_pg_trigger_tgisinternal 7
#define Anum_pg_trigger_tgconstrrelid 8
#define Anum_pg_trigger_tgconstrindid 9
#define Anum_pg_trigger_tgconstraint 10
#define Anum_pg_trigger_tgdeferrable 11
#define Anum_pg_trigger_tginitdeferred 12
#define Anum_pg_trigger_tgnargs 13
#define Anum_pg_trigger_tgattr 14
#define Anum_pg_trigger_tgargs 15
#define Anum_pg_trigger_tgqual 16
#define Anum_pg_trigger_tgoldtable 17
#define Anum_pg_trigger_tgnewtable 18

#define Natts_pg_trigger 18


/* Bits within tgtype */
#define TRIGGER_TYPE_ROW				(1 << 0)
#define TRIGGER_TYPE_BEFORE				(1 << 1)
#define TRIGGER_TYPE_INSERT				(1 << 2)
#define TRIGGER_TYPE_DELETE				(1 << 3)
#define TRIGGER_TYPE_UPDATE				(1 << 4)
#define TRIGGER_TYPE_TRUNCATE			(1 << 5)
#define TRIGGER_TYPE_INSTEAD			(1 << 6)

#define TRIGGER_TYPE_LEVEL_MASK			(TRIGGER_TYPE_ROW)
#define TRIGGER_TYPE_STATEMENT			0

/* Note bits within TRIGGER_TYPE_TIMING_MASK aren't adjacent */
#define TRIGGER_TYPE_TIMING_MASK \
	(TRIGGER_TYPE_BEFORE | TRIGGER_TYPE_INSTEAD)
#define TRIGGER_TYPE_AFTER				0

#define TRIGGER_TYPE_EVENT_MASK \
	(TRIGGER_TYPE_INSERT | TRIGGER_TYPE_DELETE | TRIGGER_TYPE_UPDATE | TRIGGER_TYPE_TRUNCATE)

/* Macros for manipulating tgtype */
#define TRIGGER_CLEAR_TYPE(type)		((type) = 0)

#define TRIGGER_SETT_ROW(type)			((type) |= TRIGGER_TYPE_ROW)
#define TRIGGER_SETT_STATEMENT(type)	((type) |= TRIGGER_TYPE_STATEMENT)
#define TRIGGER_SETT_BEFORE(type)		((type) |= TRIGGER_TYPE_BEFORE)
#define TRIGGER_SETT_AFTER(type)		((type) |= TRIGGER_TYPE_AFTER)
#define TRIGGER_SETT_INSTEAD(type)		((type) |= TRIGGER_TYPE_INSTEAD)
#define TRIGGER_SETT_INSERT(type)		((type) |= TRIGGER_TYPE_INSERT)
#define TRIGGER_SETT_DELETE(type)		((type) |= TRIGGER_TYPE_DELETE)
#define TRIGGER_SETT_UPDATE(type)		((type) |= TRIGGER_TYPE_UPDATE)
#define TRIGGER_SETT_TRUNCATE(type)		((type) |= TRIGGER_TYPE_TRUNCATE)

#define TRIGGER_FOR_ROW(type)			((type) & TRIGGER_TYPE_ROW)
#define TRIGGER_FOR_BEFORE(type)		(((type) & TRIGGER_TYPE_TIMING_MASK) == TRIGGER_TYPE_BEFORE)
#define TRIGGER_FOR_AFTER(type)			(((type) & TRIGGER_TYPE_TIMING_MASK) == TRIGGER_TYPE_AFTER)
#define TRIGGER_FOR_INSTEAD(type)		(((type) & TRIGGER_TYPE_TIMING_MASK) == TRIGGER_TYPE_INSTEAD)
#define TRIGGER_FOR_INSERT(type)		((type) & TRIGGER_TYPE_INSERT)
#define TRIGGER_FOR_DELETE(type)		((type) & TRIGGER_TYPE_DELETE)
#define TRIGGER_FOR_UPDATE(type)		((type) & TRIGGER_TYPE_UPDATE)
#define TRIGGER_FOR_TRUNCATE(type)		((type) & TRIGGER_TYPE_TRUNCATE)

/*
 * Efficient macro for checking if tgtype matches a particular level
 * (TRIGGER_TYPE_ROW or TRIGGER_TYPE_STATEMENT), timing (TRIGGER_TYPE_BEFORE,
 * TRIGGER_TYPE_AFTER or TRIGGER_TYPE_INSTEAD), and event (TRIGGER_TYPE_INSERT,
 * TRIGGER_TYPE_DELETE, TRIGGER_TYPE_UPDATE, or TRIGGER_TYPE_TRUNCATE).  Note
 * that a tgtype can match more than one event, but only one level or timing.
 */
#define TRIGGER_TYPE_MATCHES(type, level, timing, event) \
	(((type) & (TRIGGER_TYPE_LEVEL_MASK | TRIGGER_TYPE_TIMING_MASK | (event))) == ((level) | (timing) | (event)))

/*
 * Macro to determine whether tgnewtable or tgoldtable has been specified for
 * a trigger.
 */
#define TRIGGER_USES_TRANSITION_TABLE(namepointer) \
	((namepointer) != (char *) NULL)


#endif							/* PG_TRIGGER_D_H */
