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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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6
src/backend/commands/view.c
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@ -5,7 +5,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: view.c,v 1.38 1999/10/03 23:55:27 tgl Exp $
* $Id: view.c,v 1.39 1999/10/07 04:23:00 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -225,9 +225,9 @@ UpdateRangeTableOfViewParse(char *viewName, Query *viewParse)
* table... CURRENT first, then NEW....
*/
rt_entry1 = addRangeTableEntry(NULL, (char *) viewName, "*CURRENT*",
FALSE, FALSE);
FALSE, FALSE, FALSE);
rt_entry2 = addRangeTableEntry(NULL, (char *) viewName, "*NEW*",
FALSE, FALSE);
FALSE, FALSE, FALSE);
new_rt = lcons(rt_entry2, old_rt);
new_rt = lcons(rt_entry1, new_rt);