pgsql/src backend/catalog/heap.c backend/comma ...

From: tgl(at)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql/src backend/catalog/heap.c backend/comma ...
Date: 2002-05-12 23:43:04
Message-ID: 20020512234304.5CD3D475B40@postgresql.org
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CVSROOT: /cvsroot
Module name: pgsql
Changes by: tgl(at)postgresql(dot)org 02/05/12 19:43:04

Modified files:
src/backend/catalog: heap.c
src/backend/commands: tablecmds.c
src/backend/executor: Makefile execQual.c
src/backend/nodes: copyfuncs.c equalfuncs.c makefuncs.c
outfuncs.c readfuncs.c
src/backend/optimizer: README
src/backend/optimizer/path: allpaths.c indxpath.c pathkeys.c
src/backend/optimizer/plan: initsplan.c planner.c
src/backend/optimizer/prep: prepqual.c
src/backend/optimizer/util: clauses.c
src/backend/parser: parse_clause.c parse_coerce.c parse_expr.c
parse_func.c parse_node.c
src/backend/utils/adt: ruleutils.c
src/backend/utils/cache: lsyscache.c
src/include/catalog: catversion.h
src/include/nodes: makefuncs.h nodes.h primnodes.h
src/include/optimizer: clauses.h
src/include/parser: parse_coerce.h
src/include/utils: lsyscache.h
Removed files:
src/backend/executor: execFlatten.c
src/include/executor: execFlatten.h

Log message:
Get rid of long-since-vestigial Iter node type, in favor of adding a
returns-set boolean field in Func and Oper nodes. This allows cleaner,
more reliable tests for expressions returning sets in the planner and
parser. For example, a WHERE clause returning a set is now detected
and complained of in the parser, not only at runtime.

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