diff options
| -rw-r--r-- | src/include/commands/trigger.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/include/commands/trigger.h b/src/include/commands/trigger.h index a9d1c73679..e603a3f8dc 100644 --- a/src/include/commands/trigger.h +++ b/src/include/commands/trigger.h @@ -9,7 +9,45 @@ #ifndef TRIGGER_H #define TRIGGER_H +#include "access/tupdesc.h" +#include "access/htup.h" +#include "utils/rel.h" + +typedef uint32 TriggerAction; + +#define TRIGGER_ACTION_INSERT 0x00000000 +#define TRIGGER_ACTION_DELETE 0x00000001 +#define TRIGGER_ACTION_UPDATE 0x00000010 +#define TRIGGER_ACTION_OPMASK 0x00000011 +#define TRIGGER_ACTION_ROW 4 + +#define TRIGGER_FIRED_BY_INSERT (action) \ + (((TriggerAction) action & TRIGGER_ACTION_OPMASK) == \ + TRIGGER_ACTION_INSERT) + +#define TRIGGER_FIRED_BY_DELETE (action) \ + (((TriggerAction) action & TRIGGER_ACTION_OPMASK) == \ + TRIGGER_ACTION_DELETE) + +#define TRIGGER_FIRED_BY_UPDATE (action) \ + (((TriggerAction) action & TRIGGER_ACTION_OPMASK) == \ + TRIGGER_ACTION_UPDATE) + +#define TRIGGER_FIRED_FOR_ROW (action) \ + ((TriggerAction) action & TRIGGER_ACTION_ROW) + +#define TRIGGER_FIRED_FOR_STATEMENT (action) \ + (!TRIGGER_FIRED_FOR_ROW (action)) + + extern void CreateTrigger (CreateTrigStmt *stmt); extern void DropTrigger (DropTrigStmt *stmt); +extern HeapTuple ExecBRInsertTriggers (Relation rel, HeapTuple tuple); +extern void ExecARInsertTriggers (Relation rel, HeapTuple tuple); +extern bool ExecBRDeleteTriggers (Relation rel, ItemPointer tupleid); +extern void ExecARDeleteTriggers (Relation rel, ItemPointer tupleid); +extern HeapTuple ExecBRUpdateTriggers (Relation rel, ItemPointer tupleid, HeapTuple tuple); +extern void ExecARUpdateTriggers (Relation rel, ItemPointer tupleid, HeapTuple tuple); + #endif /* TRIGGER_H */ |