database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-18 17:42:25 +03:00
Code Activity

Support statement-level ON TRUNCATE triggers. Simon Riggs

Browse Source
This commit is contained in:
Tom Lane
2008-03-28 00:21:56 +00:00
parent 107b3d0c23
commit 7692d8d5b7
23 changed files with 454 additions and 83 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
src/include/commands/trigger.h
View File

@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/commands/trigger.h,v 1.66 2008/01/02 23:34:42 tgl Exp $
* $PostgreSQL: pgsql/src/include/commands/trigger.h,v 1.67 2008/03/28 00:21:56 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -38,11 +38,18 @@ typedef struct TriggerData
Buffer tg_newtuplebuf;
} TriggerData;
/* TriggerEvent bit flags */
/*
* TriggerEvent bit flags
*
* Note that we assume different event types (INSERT/DELETE/UPDATE/TRUNCATE)
* can't be OR'd together in a single TriggerEvent. This is unlike the
* situation for pg_trigger rows, so pg_trigger.tgtype uses a different
* representation!
*/
#define TRIGGER_EVENT_INSERT 0x00000000
#define TRIGGER_EVENT_DELETE 0x00000001
#define TRIGGER_EVENT_UPDATE 0x00000002
#define TRIGGER_EVENT_TRUNCATE 0x00000003
#define TRIGGER_EVENT_OPMASK 0x00000003
#define TRIGGER_EVENT_ROW 0x00000004
#define TRIGGER_EVENT_BEFORE 0x00000008
@ -66,6 +73,10 @@ typedef struct TriggerData
(((TriggerEvent) (event) & TRIGGER_EVENT_OPMASK) == \
TRIGGER_EVENT_UPDATE)
#define TRIGGER_FIRED_BY_TRUNCATE(event) \
(((TriggerEvent) (event) & TRIGGER_EVENT_OPMASK) == \
TRIGGER_EVENT_TRUNCATE)
#define TRIGGER_FIRED_FOR_ROW(event) \
((TriggerEvent) (event) & TRIGGER_EVENT_ROW)
@ -140,6 +151,10 @@ extern void ExecARUpdateTriggers(EState *estate,
ResultRelInfo *relinfo,
ItemPointer tupleid,
HeapTuple newtuple);
extern void ExecBSTruncateTriggers(EState *estate,
ResultRelInfo *relinfo);
extern void ExecASTruncateTriggers(EState *estate,
ResultRelInfo *relinfo);
extern void AfterTriggerBeginXact(void);
extern void AfterTriggerBeginQuery(void);