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Second round of fmgr changes: triggers are now invoked in new style,

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CurrentTriggerData is history.
This commit is contained in:
Tom Lane
2000-05-29 01:59:17 +00:00
parent 147ccf5c80
commit 18952f6744
41 changed files with 666 additions and 674 deletions
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17
src/include/commands/trigger.h
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@ -1,12 +1,12 @@
/*-------------------------------------------------------------------------
*
* trigger.h
* prototypes for trigger.c.
* Declarations for trigger handling.
*
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: trigger.h,v 1.19 2000/04/12 17:16:32 momjian Exp $
* $Id: trigger.h,v 1.20 2000/05/29 01:59:11 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -16,10 +16,19 @@
#include "nodes/execnodes.h"
#include "nodes/parsenodes.h"
/*
* TriggerData is the node type that is passed as fmgr "context" info
* when a function is called by the trigger manager.
*/
#define CALLED_AS_TRIGGER(fcinfo) \
((fcinfo)->context != NULL && IsA((fcinfo)->context, TriggerData))
typedef uint32 TriggerEvent;
typedef struct TriggerData
{
NodeTag type;
TriggerEvent tg_event;
Relation tg_relation;
HeapTuple tg_trigtuple;
@ -27,7 +36,7 @@ typedef struct TriggerData
Trigger *tg_trigger;
} TriggerData;
extern DLLIMPORT TriggerData *CurrentTriggerData;
/* TriggerEvent bit flags */
#define TRIGGER_EVENT_INSERT 0x00000000
#define TRIGGER_EVENT_DELETE 0x00000001
@ -136,6 +145,6 @@ extern void DeferredTriggerSaveEvent(Relation rel, int event,
* in utils/adt/ri_triggers.c
*
*/
extern bool RI_FKey_keyequal_upd(void);
extern bool RI_FKey_keyequal_upd(TriggerData *trigdata);
#endif /* TRIGGER_H */