*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/commands/conversioncmds.c,v 1.35 2008/06/19 00:46:04 alvherre Exp $
+ * $PostgreSQL: pgsql/src/backend/commands/conversioncmds.c,v 1.36 2008/11/14 17:40:56 tgl Exp $
*
*-------------------------------------------------------------------------
*/
funcoid = LookupFuncName(func_name, sizeof(funcargs) / sizeof(Oid),
funcargs, false);
+ /* Check it returns VOID, else it's probably the wrong function */
+ if (get_func_rettype(funcoid) != VOIDOID)
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("encoding conversion function %s must return type \"void\"",
+ NameListToString(func_name))));
+
/* Check we have EXECUTE rights for the function */
aclresult = pg_proc_aclcheck(funcoid, GetUserId(), ACL_EXECUTE);
if (aclresult != ACLCHECK_OK)