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