test cases for the GROUP BY bug ...

mysql-test/r/sel000004.result

+drop table if exists t1;
+create table t1 (One int unsigned, Two int unsigned, Three int unsigned, Four int unsigned);
+insert into t1 values (1,2,1,4);
+insert into t1 values (1,2,2,4);
+insert into t1 values (1,2,3,4);
+insert into t1 values (1,2,4,4);
+insert into t1 values (1,1,1,4);
+insert into t1 values (1,1,2,4);
+insert into t1 values (1,1,3,4);
+insert into t1 values (1,1,4,4);
+insert into t1 values (1,3,1,4);
+insert into t1 values (1,3,2,4);
+insert into t1 values (1,3,3,4);
+insert into t1 values (1,3,4,4);
+select One, Two, sum(Four) from t1 group by One,Two;
+One	Two	sum(Four)
+1	1	16
+1	2	16
+1	3	16
+drop table if exists t1;

mysql-test/t/sel000004.test

+drop table if exists t1;
+create table t1 (One int unsigned, Two int unsigned, Three int unsigned, Four int unsigned);
+insert into t1 values (1,2,1,4);
+insert into t1 values (1,2,2,4);
+insert into t1 values (1,2,3,4);
+insert into t1 values (1,2,4,4);
+insert into t1 values (1,1,1,4);
+insert into t1 values (1,1,2,4);
+insert into t1 values (1,1,3,4);
+insert into t1 values (1,1,4,4);
+insert into t1 values (1,3,1,4);
+insert into t1 values (1,3,2,4);
+insert into t1 values (1,3,3,4);
+insert into t1 values (1,3,4,4);
+select One, Two, sum(Four) from t1 group by One,Two;
+drop table if exists t1;