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Subselects in FROM clause, per ISO syntax: FROM (SELECT ...) [AS] alias.

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(Don't forget that an alias is required.)  Views reimplemented as expanding
to subselect-in-FROM.  Grouping, aggregates, DISTINCT in views actually
work now (he says optimistically).  No UNION support in subselects/views
yet, but I have some ideas about that.  Rule-related permissions checking
moved out of rewriter and into executor.
INITDB REQUIRED!
This commit is contained in:
Tom Lane
2000-09-29 18:21:41 +00:00
parent 6f64c2e54a
commit 3a94e789f5
77 changed files with 3176 additions and 2661 deletions
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4
src/backend/executor/Makefile
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@@ -4,7 +4,7 @@
# Makefile for executor
#
# IDENTIFICATION
# $Header: /cvsroot/pgsql/src/backend/executor/Makefile,v 1.13 2000/08/31 16:09:56 petere Exp $
# $Header: /cvsroot/pgsql/src/backend/executor/Makefile,v 1.14 2000/09/29 18:21:28 tgl Exp $
#
#-------------------------------------------------------------------------
@@ -18,7 +18,7 @@ OBJS = execAmi.o execFlatten.o execJunk.o execMain.o \
nodeHashjoin.o nodeIndexscan.o nodeMaterial.o nodeMergejoin.o \
nodeNestloop.o nodeResult.o nodeSeqscan.o nodeSort.o \
nodeUnique.o nodeGroup.o spi.o nodeSubplan.o \
nodeTidscan.o
nodeSubqueryscan.o nodeTidscan.o
all: SUBSYS.o