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pgsql-server/src backend/access/heap/heapam.c ...

From: tgl(at)svr1(dot)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql-server/src backend/access/heap/heapam.c ...
Date: 2003-10-01 21:30:53
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Lists: pgsql-committers
CVSROOT:	/cvsroot
Module name:	pgsql-server
Changes by:	tgl(at)svr1(dot)postgresql(dot)org	03/10/01 18:30:53

Modified files:
	src/backend/access/heap: heapam.c 
	src/backend/commands: async.c 
	src/backend/executor: execMain.c execUtils.c nodeSubplan.c 
	                      nodeSubqueryscan.c spi.c 
	src/backend/storage/ipc: sinval.c 
	src/backend/utils/adt: ri_triggers.c 
	src/backend/utils/time: tqual.c 
	src/include/access: heapam.h 
	src/include/executor: executor.h spi.h 
	src/include/nodes: execnodes.h 
	src/include/utils: tqual.h 

Log message:
	Repair RI trigger visibility problems (this time for sure ;-)) per recent
	discussion on pgsql-hackers: in READ COMMITTED mode we just have to force
	a QuerySnapshot update in the trigger, but in SERIALIZABLE mode we have
	to run the scan under a current snapshot and then complain if any rows
	would be updated/deleted that are not visible in the transaction snapshot.

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