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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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8
src/backend/parser/parse_func.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_func.c,v 1.59 1999/09/29 18:16:04 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_func.c,v 1.60 1999/10/07 04:23:12 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -274,7 +274,8 @@ ParseFuncOrColumn(ParseState *pstate, char *funcname, List *fargs,
rte = refnameRangeTableEntry(pstate, refname);
if (rte == NULL)
{
rte = addRangeTableEntry(pstate, refname, refname,FALSE, FALSE);
rte = addRangeTableEntry(pstate, refname, refname,
FALSE, FALSE, TRUE);
#ifdef WARN_FROM
elog(NOTICE,"Adding missing FROM-clause entry%s for table %s",
pstate->parentParseState != NULL ? " in subquery" : "",
@ -437,7 +438,8 @@ ParseFuncOrColumn(ParseState *pstate, char *funcname, List *fargs,
rte = refnameRangeTableEntry(pstate, refname);
if (rte == NULL)
{
rte = addRangeTableEntry(pstate, refname, refname,FALSE, FALSE);
rte = addRangeTableEntry(pstate, refname, refname,
FALSE, FALSE, TRUE);
#ifdef WARN_FROM
elog(NOTICE,"Adding missing FROM-clause entry%s for table %s",
pstate->parentParseState != NULL ? " in subquery" : "",