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

From: Tom Lane <tgl(at)hub(dot)org>
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql/src backend/catalog/heap.c backend/comma ...
Date: 2001-02-14 21:35:13
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-committers
CVSROOT:	/home/projects/pgsql/cvsroot
Module name:	pgsql
Changes by:	tgl(at)hub(dot)org	01/02/14 16:35:08

Modified files:
	src/backend/catalog: heap.c 
	src/backend/commands: command.c 
	src/backend/parser: analyze.c parse_clause.c parse_expr.c 
	                    parse_func.c parse_node.c parse_relation.c 
	src/backend/utils/adt: ruleutils.c 
	src/include/nodes: primnodes.h 
	src/include/parser: parse_clause.h parse_node.h parse_relation.h 
	src/include/utils: builtins.h 
	src/tools/backend: index.html 

Log message:
	Change scoping of table and join refnames to conform to SQL92: a JOIN
	clause with an alias is a <subquery> and therefore hides table references
	appearing within it, according to the spec.  This is the same as the
	preliminary patch I posted to pgsql-patches yesterday, plus some really
	grotty code in ruleutils.c to reverse-list a query tree with the correct
	alias name depending on context.  I'd rather not have done that, but unless
	we want to force another initdb for 7.1, there's no other way for now.

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