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Re-implement LIMIT/OFFSET as a plan node type, instead of a hack in

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ExecutorRun.  This allows LIMIT to work in a view.  Also, LIMIT in a
cursor declaration will behave in a reasonable fashion, whereas before
it was overridden by the FETCH count.
This commit is contained in:
Tom Lane
2000-10-26 21:38:24 +00:00
parent c9476bafdb
commit 2f35b4efdb
26 changed files with 572 additions and 232 deletions
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6
src/backend/executor/Makefile
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@@ -4,7 +4,7 @@
# Makefile for executor
#
# IDENTIFICATION
# $Header: /cvsroot/pgsql/src/backend/executor/Makefile,v 1.15 2000/10/05 19:11:26 tgl Exp $
# $Header: /cvsroot/pgsql/src/backend/executor/Makefile,v 1.16 2000/10/26 21:35:15 tgl Exp $
#
#-------------------------------------------------------------------------
@@ -17,8 +17,8 @@ OBJS = execAmi.o execFlatten.o execJunk.o execMain.o \
execUtils.o functions.o nodeAppend.o nodeAgg.o nodeHash.o \
nodeHashjoin.o nodeIndexscan.o nodeMaterial.o nodeMergejoin.o \
nodeNestloop.o nodeResult.o nodeSeqscan.o nodeSetOp.o nodeSort.o \
nodeUnique.o nodeGroup.o spi.o nodeSubplan.o \
nodeSubqueryscan.o nodeTidscan.o
nodeUnique.o nodeLimit.o nodeGroup.o nodeSubplan.o \
nodeSubqueryscan.o nodeTidscan.o spi.o
all: SUBSYS.o