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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/nodes/readfuncs.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.73 1999/08/21 03:48:58 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.74 1999/10/07 04:23:04 tgl Exp $
*
* NOTES
* Most of the read functions for plan nodes are tested. (In fact, they
@ -1380,6 +1380,10 @@ _readRangeTblEntry()
token = lsptok(NULL, &length); /* get :inFromCl */
local_node->inFromCl = (token[0] == 't') ? true : false;
token = lsptok(NULL, &length); /* eat :inJoinSet */
token = lsptok(NULL, &length); /* get :inJoinSet */
local_node->inJoinSet = (token[0] == 't') ? true : false;
token = lsptok(NULL, &length); /* eat :skipAcl */
token = lsptok(NULL, &length); /* get :skipAcl */
local_node->skipAcl = (token[0] == 't') ? true : false;