bk commit into 5.0 tree (hf:1.1800) BUG#8465

[holyfoot]

Below is the list of changes that have just been committed into a local
5.0 repository of hf. When hf does a push these changes will
be propagated to the main repository and, within 24 hours after the
push, to the public repository.
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see http://dev.mysql.com/doc/mysql/en/installing-source-tree.html

ChangeSet
  1.1800 05/03/07 16:38:05 hf@deer.(none) +2 -0
  Fix for bug #8465 (MIN, MAX return incorrect result)

  mysql-test/t/func_group.test
    1.37 05/03/07 16:38:01 hf@deer.(none) +13 -0
    testcase added

  mysql-test/r/func_group.result
    1.38 05/03/07 16:38:01 hf@deer.(none) +13 -0
    test result fixed

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	hf
# Host:	deer.(none)
# Root:	/home/hf/work/mysql-5.0.8464

--- 1.37/mysql-test/r/func_group.result	Mon Mar  7 16:07:15 2005
+++ 1.38/mysql-test/r/func_group.result	Mon Mar  7 16:38:01 2005
@@ -842,3 +842,16 @@
 -5.000000000010	4	-20.000000000040	-5.0000000000100000
 -5.000000000000	2	-10.000000000000	-5.0000000000000000
 DROP TABLE t1;
+create table t1 (col1 decimal(16,12));
+insert into t1 values (-5.00000000001);
+insert into t1 values (-5.00000000001);
+select col1,sum(col1),max(col1),min(col1) from t1 group by col1;
+col1	sum(col1)	max(col1)	min(col1)
+-5.000000000010	-10.000000000020	-5.000000000010	-5.000000000010
+delete from t1;
+insert into t1 values (5.00000000001);
+insert into t1 values (5.00000000001);
+select col1,sum(col1),max(col1),min(col1) from t1 group by col1;
+col1	sum(col1)	max(col1)	min(col1)
+5.000000000010	10.000000000020	5.000000000010	5.000000000010
+DROP TABLE t1;

--- 1.36/mysql-test/t/func_group.test	Mon Mar  7 16:07:15 2005
+++ 1.37/mysql-test/t/func_group.test	Mon Mar  7 16:38:01 2005
@@ -548,3 +548,16 @@
 select col1,count(col1),sum(col1),avg(col1) from t1 group by col1;
 DROP TABLE t1;
 
+#
+# BUG#8465 decimal MIN and MAX return incorrect result
+#
+
+create table t1 (col1 decimal(16,12));
+insert into t1 values (-5.00000000001);
+insert into t1 values (-5.00000000001);
+select col1,sum(col1),max(col1),min(col1) from t1 group by col1;
+delete from t1;
+insert into t1 values (5.00000000001);
+insert into t1 values (5.00000000001);
+select col1,sum(col1),max(col1),min(col1) from t1 group by col1;
+DROP TABLE t1;