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-rw-r--r--mysql-test/main/union.test21
1 files changed, 15 insertions, 6 deletions
diff --git a/mysql-test/main/union.test b/mysql-test/main/union.test
index a90d27e161d..33adbb4603d 100644
--- a/mysql-test/main/union.test
+++ b/mysql-test/main/union.test
@@ -1210,11 +1210,11 @@ select 4
order by max(42) + max(1) + max(1) + max(1) + max(1) + max(1)
;
+--error ER_AGGREGATE_ORDER_FOR_UNION
eval $my_stmt;
+--error ER_AGGREGATE_ORDER_FOR_UNION
eval prepare stmt1 from '$my_stmt';
-execute stmt1;
-execute stmt1;
let $my_stmt=
select 1 as foo
@@ -1227,13 +1227,11 @@ union
order by max(42) + max(1) + max(1) + max(1) + max(1) + max(1)
;
+--error ER_AGGREGATE_ORDER_FOR_UNION
eval $my_stmt;
+--error ER_AGGREGATE_ORDER_FOR_UNION
eval prepare stmt1 from '$my_stmt';
-execute stmt1;
-execute stmt1;
-
-deallocate prepare stmt1;
--echo End of 5.1 tests
@@ -1663,6 +1661,17 @@ eval EXPLAIN EXTENDED $q;
DROP TABLE t1,t2;
+--echo #
+--echo # MDEV-10120: Wrong result of UNION .. ORDER BY GROUP_CONCAT()
+--echo #
+
+CREATE TABLE t1 (a INT);
+INSERT t1 VALUES (1),(2),(3);
+
+--error ER_AGGREGATE_ORDER_FOR_UNION
+(SELECT 1 AS a) UNION (SELECT a FROM t1 GROUP BY a) ORDER BY GROUP_CONCAT(a);
+DROP TABLE t1;
+
--echo #
--echo # Start of 10.3 tests