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First cut at full support for OUTER JOINs. There are still a few loose

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ends to clean up (see my message of same date to pghackers), but mostly
it works.  INITDB REQUIRED!
This commit is contained in:
Tom Lane
2000-09-12 21:07:18 +00:00
parent b5c0ab278b
commit ed5003c584
93 changed files with 6386 additions and 4262 deletions
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14
src/backend/commands/explain.c
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@ -5,7 +5,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994-5, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.57 2000/06/18 22:43:58 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.58 2000/09/12 21:06:47 tgl Exp $
*
*/
@ -229,21 +229,21 @@ explain_outNode(StringInfo str, Plan *plan, int indent, ExplainState *es)
appendStringInfo(str, " on %s",
stringStringInfo(rte->relname));
if (rte->ref != NULL)
if (rte->alias != NULL)
{
if ((strcmp(rte->ref->relname, rte->relname) != 0)
|| (length(rte->ref->attrs) > 0))
if ((strcmp(rte->alias->relname, rte->relname) != 0)
|| (length(rte->alias->attrs) > 0))
{
appendStringInfo(str, " %s",
stringStringInfo(rte->ref->relname));
stringStringInfo(rte->alias->relname));
if (length(rte->ref->attrs) > 0)
if (length(rte->alias->attrs) > 0)
{
List *c;
int firstEntry = true;
appendStringInfo(str, " (");
foreach(c, rte->ref->attrs)
foreach(c, rte->alias->attrs)
{
if (!firstEntry)
{