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| author | Jan Wieck <JanWieck@Yahoo.com> | 1999-09-29 16:06:40 +0000 |
|---|---|---|
| committer | Jan Wieck <JanWieck@Yahoo.com> | 1999-09-29 16:06:40 +0000 |
| commit | 1547ee017c897725221d0752af4477121524c05b (patch) | |
| tree | 775616278865cba3e01e521812d045489e40fd9b /src/backend/access/transam/xact.c | |
| parent | d810338d29bff178101e72c810c9dcfa3223c6c0 (diff) | |
| download | postgresql-1547ee017c897725221d0752af4477121524c05b.tar.gz postgresql-1547ee017c897725221d0752af4477121524c05b.zip | |
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 disk
Jan
Diffstat (limited to 'src/backend/access/transam/xact.c')
| -rw-r--r-- | src/backend/access/transam/xact.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/src/backend/access/transam/xact.c b/src/backend/access/transam/xact.c index dc5bbcd32eb..f468e2916b1 100644 --- a/src/backend/access/transam/xact.c +++ b/src/backend/access/transam/xact.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.54 1999/09/28 11:41:03 vadim Exp $ + * $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.55 1999/09/29 16:05:55 wieck Exp $ * * NOTES * Transaction aborts can now occur two ways: @@ -149,6 +149,7 @@ #include "commands/async.h" #include "commands/sequence.h" #include "commands/vacuum.h" +#include "commands/trigger.h" #include "libpq/be-fsstubs.h" #include "storage/proc.h" #include "storage/sinval.h" @@ -866,6 +867,12 @@ StartTransaction() InitNoNameRelList(); /* ---------------- + * Tell the trigger manager to we're starting a transaction + * ---------------- + */ + DeferredTriggerBeginXact(); + + /* ---------------- * done with start processing, set current transaction * state to "in progress" * ---------------- @@ -905,6 +912,14 @@ CommitTransaction() elog(NOTICE, "CommitTransaction and not in in-progress state "); /* ---------------- + * Tell the trigger manager that this transaction is about to be + * committed. He'll invoke all trigger deferred until XACT before + * we really start on committing the transaction. + * ---------------- + */ + DeferredTriggerEndXact(); + + /* ---------------- * set the current transaction state information * appropriately during the abort processing * ---------------- @@ -993,6 +1008,13 @@ AbortTransaction() elog(NOTICE, "AbortTransaction and not in in-progress state "); /* ---------------- + * Tell the trigger manager that this transaction is about to be + * aborted. + * ---------------- + */ + DeferredTriggerAbortXact(); + + /* ---------------- * set the current transaction state information * appropriately during the abort processing * ---------------- |