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Fix parse_agg.c to detect ungrouped Vars in sub-SELECTs; remove code

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that used to do it in planner.  That was an ancient kluge that was
never satisfactory; errors should be detected at parse time when possible.
But at the time we didn't have the support mechanism (expression_tree_walker
et al) to make it convenient to do in the parser.
This commit is contained in:
Tom Lane
2003-01-17 03:25:04 +00:00
parent a4d82dd4b4
commit b19adc1aae
6 changed files with 107 additions and 229 deletions
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3
src/include/optimizer/clauses.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: clauses.h,v 1.60 2003/01/17 02:01:21 tgl Exp $
* $Id: clauses.h,v 1.61 2003/01/17 03:25:04 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -52,7 +52,6 @@ extern bool expression_returns_set(Node *clause);
extern bool contain_subplans(Node *clause);
extern List *pull_subplans(Node *clause);
extern void check_subplans_for_ungrouped_vars(Query *query);
extern bool contain_mutable_functions(Node *clause);
extern bool contain_volatile_functions(Node *clause);