diff options
Diffstat (limited to 'mysql-test/r/join_outer.result')
| -rw-r--r-- | mysql-test/r/join_outer.result | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/mysql-test/r/join_outer.result b/mysql-test/r/join_outer.result index ffbafb175c4..0efed3b6c3a 100644 --- a/mysql-test/r/join_outer.result +++ b/mysql-test/r/join_outer.result @@ -1254,3 +1254,38 @@ SELECT * FROM t1 LEFT JOIN t2 ON e<>0 WHERE c=1 AND d<=>NULL; c e d 1 0 NULL DROP TABLE t1,t2; +# +# Bug#47650: using group by with rollup without indexes returns incorrect +# results with where +# +CREATE TABLE t1 ( a INT ); +INSERT INTO t1 VALUES (1); +CREATE TABLE t2 ( a INT, b INT ); +INSERT INTO t2 VALUES (1, 1),(1, 2),(1, 3),(2, 4),(2, 5); +EXPLAIN +SELECT t1.a, COUNT( t2.b ), SUM( t2.b ), MAX( t2.b ) +FROM t1 LEFT JOIN t2 USING( a ) +GROUP BY t1.a WITH ROLLUP; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 system NULL NULL NULL NULL 1 Using temporary; Using filesort +1 SIMPLE t2 ALL NULL NULL NULL NULL 5 Using where +SELECT t1.a, COUNT( t2.b ), SUM( t2.b ), MAX( t2.b ) +FROM t1 LEFT JOIN t2 USING( a ) +GROUP BY t1.a WITH ROLLUP; +a COUNT( t2.b ) SUM( t2.b ) MAX( t2.b ) +1 3 6 3 +NULL 3 6 3 +EXPLAIN +SELECT t1.a, COUNT( t2.b ), SUM( t2.b ), MAX( t2.b ) +FROM t1 JOIN t2 USING( a ) +GROUP BY t1.a WITH ROLLUP; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 system NULL NULL NULL NULL 1 Using filesort +1 SIMPLE t2 ALL NULL NULL NULL NULL 5 Using where +SELECT t1.a, COUNT( t2.b ), SUM( t2.b ), MAX( t2.b ) +FROM t1 JOIN t2 USING( a ) +GROUP BY t1.a WITH ROLLUP; +a COUNT( t2.b ) SUM( t2.b ) MAX( t2.b ) +1 3 6 3 +NULL 3 6 3 +DROP TABLE t1, t2; |