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NATURAL CROSS JOIN is a contradiction in terms, not to mention disallowed

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by the SQL spec and by our parser.  Thanks to Jonathan Scott for finding
this longstanding error.
This commit is contained in:
Tom Lane 2004-05-07 03:19:44 +00:00
parent 97c7cb0930
commit 573aaa52bc
1 changed files with 4 additions and 9 deletions
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13
src/backend/utils/adt/ruleutils.c
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@ -3,7 +3,7 @@
* back to source text
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.164 2004/05/05 04:48:46 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.165 2004/05/07 03:19:44 tgl Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@ -3788,14 +3788,9 @@ get_from_clause_item(Node *jtnode, Query *query, deparse_context *context)
switch (j->jointype)
{
case JOIN_INNER:
if (j->quals)
appendContextKeyword(context, "NATURAL JOIN ",
-PRETTYINDENT_JOIN,
PRETTYINDENT_JOIN, 0);
else
appendContextKeyword(context, "NATURAL CROSS JOIN ",
-PRETTYINDENT_JOIN,
PRETTYINDENT_JOIN, 0);
appendContextKeyword(context, "NATURAL JOIN ",
-PRETTYINDENT_JOIN,
PRETTYINDENT_JOIN, 0);
break;
case JOIN_LEFT:
appendContextKeyword(context, "NATURAL LEFT JOIN ",