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/*-------------------------------------------------------------------------
*
* pg_trigger.h
*
*
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* NOTES
* the genbki.sh script reads this file and generates .bki
* information from the DATA() statements.
*
*-------------------------------------------------------------------------
*/
#ifndef PG_TRIGGER_H
#define PG_TRIGGER_H
/* ----------------
* postgres.h contains the system type definintions and the
* CATALOG(), BOOTSTRAP and DATA() sugar words so this file
* can be read by both genbki.sh and the C compiler.
* ----------------
*/
/* ----------------
* pg_trigger definition. cpp turns this into
* typedef struct FormData_pg_trigger
* ----------------
*/
CATALOG(pg_trigger) BOOTSTRAP
{
Oid tgrelid; /* triggered relation */
NameData tgname; /* trigger' name */
Oid tgfoid; /* OID of function to be called */
int2 tgtype; /* BEFORE/AFTER UPDATE/DELETE/INSERT
* ROW/STATEMENT */
bool tgenabled; /* trigger is enabled/disabled */
bool tgisconstraint; /* trigger is a RI constraint */
NameData tgconstrname; /* RI constraint name */
Oid tgconstrrelid; /* RI table of foreign key definition */
/* in the case of ON DELETE or ON UPDATE */
bool tgdeferrable; /* RI trigger is deferrable */
bool tginitdeferred; /* RI trigger is deferred initially */
int2 tgnargs; /* # of extra arguments in tgargs */
int2vector tgattr; /* UPDATE of attr1, attr2 ... (NI) */
bytea tgargs; /* first\000second\000tgnargs\000 */
} FormData_pg_trigger;
/* ----------------
* Form_pg_trigger corresponds to a pointer to a tuple with
* the format of pg_trigger relation.
* ----------------
*/
typedef FormData_pg_trigger *Form_pg_trigger;
/* ----------------
* compiler constants for pg_trigger
* ----------------
*/
#define Natts_pg_trigger 13
#define Anum_pg_trigger_tgrelid 1
#define Anum_pg_trigger_tgname 2
#define Anum_pg_trigger_tgfoid 3
#define Anum_pg_trigger_tgtype 4
#define Anum_pg_trigger_tgenabled 5
#define Anum_pg_trigger_tgisconstraint 6
#define Anum_pg_trigger_tgconstrname 7
#define Anum_pg_trigger_tgconstrrelid 8
#define Anum_pg_trigger_tgdeferrable 9
#define Anum_pg_trigger_tginitdeferred 10
#define Anum_pg_trigger_tgnargs 11
#define Anum_pg_trigger_tgattr 12
#define Anum_pg_trigger_tgargs 13
#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_CLEAR_TYPE(type) (type = 0)
#define TRIGGER_SETT_ROW(type) (type |= TRIGGER_TYPE_ROW)
#define TRIGGER_SETT_BEFORE(type) (type |= TRIGGER_TYPE_BEFORE)
#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_FOR_ROW(type) (type & TRIGGER_TYPE_ROW)
#define TRIGGER_FOR_BEFORE(type) (type & TRIGGER_TYPE_BEFORE)
#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)
#endif /* PG_TRIGGER_H */
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