diff options
Diffstat (limited to 'src/include/commands/trigger.h')
| -rw-r--r-- | src/include/commands/trigger.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/src/include/commands/trigger.h b/src/include/commands/trigger.h index 3b735546ea5..c6d5b5413c4 100644 --- a/src/include/commands/trigger.h +++ b/src/include/commands/trigger.h @@ -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 */ |