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Allow CASE statement to contain *only* untyped result clauses or nulls.

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Almost worked before, but forgot one place to check.
 Reported by Tatsuo Ishii.
Still does not do the right thing if inserting into a non-string target
 column. Should look for a type coersion later, but doesn't.
This commit is contained in:
Thomas G. Lockhart
1999-09-13 04:21:21 +00:00
parent e86054e2c3
commit 400676afc9
1 changed files with 3 additions and 2 deletions
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5
src/backend/parser/parse_expr.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.50 1999/07/11 02:04:19 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.50.2.1 1999/09/13 04:21:21 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@@ -467,7 +467,8 @@ transformExpr(ParseState *pstate, Node *expr, int precedence)
* only bother with conversion if not NULL and
* different type...
*/
if (wtype && (wtype != ptype))
if (wtype && (wtype != UNKNOWNOID)
&& (wtype != ptype))
{
if (can_coerce_type(1, &wtype, &ptype))
{