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Nested transactions. There is still much left to do, especially on the

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performance front, but with feature freeze upon us I think it's time to
drive a stake in the ground and say that this will be in 7.5.

Alvaro Herrera, with some help from Tom Lane.
This commit is contained in:
Tom Lane
2004-07-01 00:52:04 +00:00
parent 4c9aa572fa
commit 573a71a5da
74 changed files with 4516 additions and 1144 deletions
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38
src/include/commands/trigger.h
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@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/commands/trigger.h,v 1.45 2003/11/29 22:40:59 pgsql Exp $
* $PostgreSQL: pgsql/src/include/commands/trigger.h,v 1.46 2004/07/01 00:51:40 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -151,44 +151,12 @@ extern void ExecARUpdateTriggers(EState *estate,
ItemPointer tupleid,
HeapTuple newtuple);
/*
* Deferred trigger stuff
*/
typedef struct DeferredTriggerStatusData
{
Oid dts_tgoid;
bool dts_tgisdeferred;
} DeferredTriggerStatusData;
typedef struct DeferredTriggerStatusData *DeferredTriggerStatus;
typedef struct DeferredTriggerEventItem
{
Oid dti_tgoid;
int32 dti_state;
} DeferredTriggerEventItem;
typedef struct DeferredTriggerEventData *DeferredTriggerEvent;
typedef struct DeferredTriggerEventData
{
DeferredTriggerEvent dte_next; /* list link */
int32 dte_event;
Oid dte_relid;
ItemPointerData dte_oldctid;
ItemPointerData dte_newctid;
int32 dte_n_items;
/* dte_item is actually a variable-size array, of length dte_n_items */
DeferredTriggerEventItem dte_item[1];
} DeferredTriggerEventData;
extern void DeferredTriggerInit(void);
extern void DeferredTriggerBeginXact(void);
extern void DeferredTriggerEndQuery(void);
extern void DeferredTriggerEndXact(void);
extern void DeferredTriggerAbortXact(void);
extern void DeferredTriggerBeginSubXact(void);
extern void DeferredTriggerEndSubXact(bool isCommit);
extern void DeferredTriggerSetState(ConstraintsSetStmt *stmt);