diff options
| author | Tatiana A. Nurnberg <azundris@mysql.com> | 2010-02-19 19:06:47 +0000 |
|---|---|---|
| committer | Tatiana A. Nurnberg <azundris@mysql.com> | 2010-02-19 19:06:47 +0000 |
| commit | 60a114d838278797bce949be4fd7b8acc9f7ef64 (patch) | |
| tree | ca01d689dff2d01fe5f03cdac4803c238a0a93d5 /mysql-test/r/func_gconcat.result | |
| parent | 141bb7d144e093c860f2183abf220875ee681930 (diff) | |
| parent | 1fc1f462b6d469d7b1f2bb94ba99f4554ced1cd5 (diff) | |
| download | mariadb-git-60a114d838278797bce949be4fd7b8acc9f7ef64.tar.gz | |
manual merge
Diffstat (limited to 'mysql-test/r/func_gconcat.result')
| -rw-r--r-- | mysql-test/r/func_gconcat.result | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/mysql-test/r/func_gconcat.result b/mysql-test/r/func_gconcat.result index 3b78851a1b9..8d1fcade88d 100644 --- a/mysql-test/r/func_gconcat.result +++ b/mysql-test/r/func_gconcat.result @@ -978,4 +978,21 @@ GROUP BY t1.a 1 1 DROP TABLE t1, t2; +CREATE TABLE t1 (f1 INT); +INSERT INTO t1 VALUES (),(); +EXPLAIN EXTENDED SELECT 1 FROM +(SELECT DISTINCT GROUP_CONCAT(td.f1) FROM t1,t1 AS td GROUP BY td.f1) AS d,t1; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY <derived2> system NULL NULL NULL NULL 1 100.00 +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 +2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort; Distinct +2 DERIVED td ALL NULL NULL NULL NULL 2 100.00 Distinct; Using join buffer +Warnings: +Note 1003 select 1 AS `1` from (select distinct group_concat(`test`.`td`.`f1` separator ',') AS `GROUP_CONCAT(td.f1)` from `test`.`t1` join `test`.`t1` `td` group by `test`.`td`.`f1`) `d` join `test`.`t1` +SELECT 1 FROM +(SELECT DISTINCT GROUP_CONCAT(td.f1) FROM t1,t1 AS td GROUP BY td.f1) AS d,t1; +1 +1 +1 +DROP TABLE t1; End of 5.0 tests |