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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 * back to source text
* *
* IDENTIFICATION * 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. * 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) switch (j->jointype)
{ {
case JOIN_INNER: case JOIN_INNER:
if (j->quals) appendContextKeyword(context, "NATURAL JOIN ",
appendContextKeyword(context, "NATURAL JOIN ", -PRETTYINDENT_JOIN,
-PRETTYINDENT_JOIN, PRETTYINDENT_JOIN, 0);
PRETTYINDENT_JOIN, 0);
else
appendContextKeyword(context, "NATURAL CROSS JOIN ",
-PRETTYINDENT_JOIN,
PRETTYINDENT_JOIN, 0);
break; break;
case JOIN_LEFT: case JOIN_LEFT:
appendContextKeyword(context, "NATURAL LEFT JOIN ", appendContextKeyword(context, "NATURAL LEFT JOIN ",