Merge dl145s.mysql.com:/data/bk/team_tree_merge/MERGE/mysql-4.1-opt

into  dl145s.mysql.com:/data/bk/team_tree_merge/MERGE/mysql-5.0-opt


sql/sql_select.cc:
  Auto merged
mysql-test/r/olap.result:
  SCCS merged

2 files changed, 24 insertions, 1 deletions

diff --git a/mysql-test/r/olap.result b/mysql-test/r/olap.result
index 7cdd5e1b152..a392de613f8 100644
--- a/mysql-test/r/olap.result
+++ b/mysql-test/r/olap.result
@@ -592,6 +592,21 @@ a	max(b)
 NULL	2
 a	1
 drop table t1;
+create table t1 (a varchar(22) not null , b int);
+insert into t1 values ("2006-07-01 21:30", 1), ("2006-07-01 23:30", 10);
+select left(a,10), a, sum(b) from t1 group by 1,2 with rollup;
+left(a,10)	a	sum(b)
+2006-07-01	2006-07-01 21:30	1
+2006-07-01	2006-07-01 23:30	10
+2006-07-01	NULL	11
+NULL	NULL	11
+select left(a,10) x, a, sum(b) from t1 group by x,a with rollup;
+x	a	sum(b)
+2006-07-01	2006-07-01 21:30	1
+2006-07-01	2006-07-01 23:30	10
+2006-07-01	NULL	11
+NULL	NULL	11
+drop table t1;
 CREATE TABLE t1(id int, type char(1));
 INSERT INTO t1 VALUES
 (1,"A"),(2,"C"),(3,"A"),(4,"A"),(5,"B"),
diff --git a/mysql-test/t/olap.test b/mysql-test/t/olap.test
index e34ac6a865c..4e5e7b72fc8 100644
--- a/mysql-test/t/olap.test
+++ b/mysql-test/t/olap.test
@@ -283,6 +283,15 @@ select a, max(b) from t1 group by a with rollup;
 select distinct a, max(b) from t1 group by a with rollup;
 drop table t1;
 
+#
+# Bug #20825: rollup puts non-equal values together
+#
+create table t1 (a varchar(22) not null , b int);
+insert into t1 values ("2006-07-01 21:30", 1), ("2006-07-01 23:30", 10);
+select left(a,10), a, sum(b) from t1 group by 1,2 with rollup;
+select left(a,10) x, a, sum(b) from t1 group by x,a with rollup;
+drop table t1;
+
 # End of 4.1 tests
 
 #
@@ -318,4 +327,3 @@ SELECT * FROM v1;
 
 DROP VIEW v1;
 DROP TABLE t1;
-# End of 4.1 tests