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Commit1547ee0

Browse files
Jan WieckJan Wieck
Jan Wieck
authored and
Jan Wieck
committed
This is part#1 for of the DEFERRED CONSTRAINT TRIGGER support.
Implements the CREATE CONSTRAINT TRIGGER and SET CONSTRAINTS commands.TODO: Generic builtin trigger procedures Automatic execution of appropriate CREATE CONSTRAINT... at CREATE TABLE Support of new trigger type in pg_dump Swapping of huge # of events to diskJan
1 parentd810338 commit1547ee0

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20 files changed

+1473
-245
lines changed

20 files changed

+1473
-245
lines changed

‎src/backend/access/transam/xact.c

Lines changed: 23 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@
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*
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*
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* IDENTIFICATION
10-
* $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.54 1999/09/28 11:41:03 vadim Exp $
10+
* $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.55 1999/09/29 16:05:55 wieck Exp $
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*
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* NOTES
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*Transaction aborts can now occur two ways:
@@ -149,6 +149,7 @@
149149
#include"commands/async.h"
150150
#include"commands/sequence.h"
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#include"commands/vacuum.h"
152+
#include"commands/trigger.h"
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#include"libpq/be-fsstubs.h"
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#include"storage/proc.h"
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#include"storage/sinval.h"
@@ -865,6 +866,12 @@ StartTransaction()
865866
*/
866867
InitNoNameRelList();
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869+
/* ----------------
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*Tell the trigger manager to we're starting a transaction
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* ----------------
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*/
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DeferredTriggerBeginXact();
874+
868875
/* ----------------
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*done with start processing, set current transaction
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*state to "in progress"
@@ -904,6 +911,14 @@ CommitTransaction()
904911
if (s->state!=TRANS_INPROGRESS)
905912
elog(NOTICE,"CommitTransaction and not in in-progress state ");
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914+
/* ----------------
915+
*Tell the trigger manager that this transaction is about to be
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*committed. He'll invoke all trigger deferred until XACT before
917+
*we really start on committing the transaction.
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* ----------------
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*/
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DeferredTriggerEndXact();
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/* ----------------
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*set the current transaction state information
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*appropriately during the abort processing
@@ -992,6 +1007,13 @@ AbortTransaction()
9921007
if (s->state!=TRANS_INPROGRESS)
9931008
elog(NOTICE,"AbortTransaction and not in in-progress state ");
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1010+
/* ----------------
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*Tell the trigger manager that this transaction is about to be
1012+
*aborted.
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* ----------------
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*/
1015+
DeferredTriggerAbortXact();
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/* ----------------
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*set the current transaction state information
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*appropriately during the abort processing

‎src/backend/catalog/heap.c

Lines changed: 2 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@
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*
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*
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* IDENTIFICATION
10-
* $Header: /cvsroot/pgsql/src/backend/catalog/heap.c,v 1.98 1999/09/24 00:24:11 tgl Exp $
10+
* $Header: /cvsroot/pgsql/src/backend/catalog/heap.c,v 1.99 1999/09/29 16:05:56 wieck Exp $
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*
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*
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* INTERFACE ROUTINES
@@ -1468,8 +1468,7 @@ heap_destroy_with_catalog(char *relname)
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RelationRemoveRules(rid);
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/* triggers */
1471-
if (rel->rd_rel->reltriggers>0)
1472-
RelationRemoveTriggers(rel);
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RelationRemoveTriggers(rel);
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/* ----------------
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*delete attribute tuples

‎src/backend/catalog/indexing.c

Lines changed: 4 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/catalog/indexing.c,v 1.45 1999/09/18 19:06:33 tgl Exp $
11+
* $Header: /cvsroot/pgsql/src/backend/catalog/indexing.c,v 1.46 1999/09/29 16:05:56 wieck Exp $
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*
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*-------------------------------------------------------------------------
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*/
@@ -52,7 +52,9 @@ char *Name_pg_attrdef_indices[Num_pg_attrdef_indices] = {AttrDefaultIndex};
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5353
char*Name_pg_relcheck_indices[Num_pg_relcheck_indices]= {RelCheckIndex};
5454

55-
char*Name_pg_trigger_indices[Num_pg_trigger_indices]= {TriggerRelidIndex};
55+
char*Name_pg_trigger_indices[Num_pg_trigger_indices]= {TriggerRelidIndex,
56+
TriggerConstrNameIndex,
57+
TriggerConstrRelidIndex};
5658

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5860
staticHeapTupleCatalogIndexFetchTuple(RelationheapRelation,

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