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Fix planner and rewriter to follow SQL semantics for tables that are

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mentioned in FROM but not elsewhere in the query: such tables should be
joined over anyway.  Aside from being more standards-compliant, this allows
removal of some very ugly hacks for COUNT(*) processing.  Also, allow
HAVING clause without aggregate functions, since SQL does.  Clean up
CREATE RULE statement-list syntax the same way Bruce just fixed the
main stmtmulti production.
CAUTION: addition of a field to RangeTblEntry nodes breaks stored rules;
you will have to initdb if you have any rules.
This commit is contained in:
Tom Lane
1999-10-07 04:23:24 +00:00
parent 4040fcfa78
commit 3eb1c82277
21 changed files with 408 additions and 390 deletions
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5
src/backend/executor/execMain.c
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@ -26,7 +26,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.96 1999/09/29 16:06:02 wieck Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.97 1999/10/07 04:23:01 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1514,8 +1514,7 @@ ExecRelCheck(Relation rel, HeapTuple tuple, EState *estate)
rte->relname = nameout(&(rel->rd_rel->relname));
rte->refname = rte->relname;
rte->relid = RelationGetRelid(rel);
rte->inh = false;
rte->inFromCl = true;
/* inh, inFromCl, inJoinSet, skipAcl won't be used, leave them zero */
rtlist = lcons(rte, NIL);
econtext->ecxt_scantuple = slot; /* scan tuple slot */
econtext->ecxt_innertuple = NULL; /* inner tuple slot */