Merge bk-internal.mysql.com:/home/bk/mysql-5.0

into  mysql.com:/home/dlenev/src/mysql-5.0-bg13525

mysql-test/r/view.result

@@ -2529,3 +2529,13 @@ Warnings:
 Warning	1052	Column 'x' in group statement is ambiguous
 DROP VIEW v1;
 DROP TABLE t1;
+drop table if exists t1; 
+drop view if exists v1; 
+create table t1 (id int); 
+create view v1 as select * from t1; 
+drop table t1; 
+show create view v1; 
+drop view v1;
+//
+View	Create View
+v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select sql_no_cache `test`.`t1`.`id` AS `id` from `t1`

mysql-test/t/view.test

@@ -2370,3 +2370,18 @@ SELECT IF(x IS NULL, 'blank', 'not blank') AS x FROM v1 GROUP BY x;
 
 DROP VIEW v1;
 DROP TABLE t1;
+
+#
+# BUG#15943: mysql_next_result hangs on invalid SHOW CREATE VIEW
+#
+
+delimiter //;
+drop table if exists t1; 
+drop view if exists v1; 
+create table t1 (id int); 
+create view v1 as select * from t1; 
+drop table t1; 
+show create view v1; 
+drop view v1;
+//
+delimiter ;//

sql/sql_show.cc

@@ -365,12 +365,15 @@ mysqld_show_create(THD *thd, TABLE_LIST *table_list)
   {
     if (!table_list->view || thd->net.last_errno != ER_VIEW_INVALID)
       DBUG_RETURN(TRUE);
+
     /*
       Clear all messages with 'error' level status and
       issue a warning with 'warning' level status in 
       case of invalid view and last error is ER_VIEW_INVALID
     */
     mysql_reset_errors(thd, true);
+    thd->clear_error();
+
     push_warning_printf(thd,MYSQL_ERROR::WARN_LEVEL_WARN,
                         ER_VIEW_INVALID,
                         ER(ER_VIEW_INVALID),