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Diffstat (limited to 'mysql-test/t/group_by.test')
| -rw-r--r-- | mysql-test/t/group_by.test | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/mysql-test/t/group_by.test b/mysql-test/t/group_by.test index c5b27ee1a62..c640a58d597 100644 --- a/mysql-test/t/group_by.test +++ b/mysql-test/t/group_by.test @@ -1219,6 +1219,23 @@ EXPLAIN SELECT MAX(t2.a) FROM t2 LEFT JOIN t1 ON t2.a = t1.a; SELECT MAX(t2.a) FROM t2 LEFT JOIN t1 ON t2.a = t1.a; DROP TABLE t1, t2; +# +# min() returns wrong value when used in expression when there is no matching +# rows +# + +CREATE TABLE t1 (a int(11) NOT NULL); +INSERT INTO t1 VALUES (1),(2); +CREATE TABLE t2 ( + key_col int(11) NOT NULL, + KEY (key_col) +); +INSERT INTO t2 VALUES (1),(2); + +select min(t2.key_col) from t1,t2 where t1.a=1; +select min(t2.key_col) from t1,t2 where t1.a > 1000; +select min(t2.key_col)+1 from t1,t2 where t1.a> 1000; +drop table t1,t2; --echo # |