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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/include/parser/parse_agg.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: parse_agg.h,v 1.15 2000/04/12 17:16:45 momjian Exp $
* $Id: parse_agg.h,v 1.16 2000/09/29 18:21:40 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -17,7 +17,7 @@
#include "parser/parse_node.h"
extern void AddAggToParseState(ParseState *pstate, Aggref *aggref);
extern void parseCheckAggregates(ParseState *pstate, Query *qry);
extern void parseCheckAggregates(ParseState *pstate, Query *qry, Node *qual);
extern Aggref *ParseAgg(ParseState *pstate, char *aggname, Oid basetype,
List *args, bool agg_star, bool agg_distinct,
int precedence);