diff options
Diffstat (limited to 'mysql-test/r/group_by.result')
| -rw-r--r-- | mysql-test/r/group_by.result | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/mysql-test/r/group_by.result b/mysql-test/r/group_by.result index 95f0bbbe36a..e8124855007 100644 --- a/mysql-test/r/group_by.result +++ b/mysql-test/r/group_by.result @@ -1872,4 +1872,40 @@ ON 1 WHERE t2.f1 > 1 GROUP BY t2.f1; COUNT(*) 2 DROP TABLE t1; +# +# Bug#59839: Aggregation followed by subquery yields wrong result +# +CREATE TABLE t1 ( +a INT, +b INT, +c INT, +KEY (a, b) +); +INSERT INTO t1 VALUES +( 1, 1, 1 ), +( 1, 2, 2 ), +( 1, 3, 3 ), +( 1, 4, 6 ), +( 1, 5, 5 ), +( 1, 9, 13 ), +( 2, 1, 6 ), +( 2, 2, 7 ), +( 2, 3, 8 ); +EXPLAIN +SELECT a, AVG(t1.b), +(SELECT t11.c FROM t1 t11 WHERE t11.a = t1.a AND t11.b = AVG(t1.b)) AS t11c, +(SELECT t12.c FROM t1 t12 WHERE t12.a = t1.a AND t12.b = AVG(t1.b)) AS t12c +FROM t1 GROUP BY a; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 index NULL a 10 NULL 9 Using index +3 DEPENDENT SUBQUERY t12 ref a a 10 func,func 2 Using where +2 DEPENDENT SUBQUERY t11 ref a a 10 func,func 2 Using where +SELECT a, AVG(t1.b), +(SELECT t11.c FROM t1 t11 WHERE t11.a = t1.a AND t11.b = AVG(t1.b)) AS t11c, +(SELECT t12.c FROM t1 t12 WHERE t12.a = t1.a AND t12.b = AVG(t1.b)) AS t12c +FROM t1 GROUP BY a; +a AVG(t1.b) t11c t12c +1 4.0000 6 6 +2 2.0000 7 7 +DROP TABLE t1; # End of 5.1 tests |