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authorAlexey Kopytov <Alexey.Kopytov@Sun.com>2010-02-23 16:26:45 +0300
committerAlexey Kopytov <Alexey.Kopytov@Sun.com>2010-02-23 16:26:45 +0300
commitf0d2fe34f2bd074dfc0f9ae6c5ffbc414a6f9b59 (patch)
tree906d61216e1d999772c7a2a993909fc6915a9ab0 /mysql-test/r/func_gconcat.result
parent0afa209018fad0a0863048cebfcc8f0a52b814ee (diff)
parent6f78ef71d485fb3968355941860d012fc17a9c59 (diff)
downloadmariadb-git-f0d2fe34f2bd074dfc0f9ae6c5ffbc414a6f9b59.tar.gz
Manual merge of mysql-5.1-bugteam to mysql-trunk-merge.
Conflicts: Text conflict in client/mysqltest.cc Text conflict in configure.in Text conflict in mysql-test/include/mtr_warnings.sql
Diffstat (limited to 'mysql-test/r/func_gconcat.result')
-rw-r--r--mysql-test/r/func_gconcat.result17
1 files changed, 17 insertions, 0 deletions
diff --git a/mysql-test/r/func_gconcat.result b/mysql-test/r/func_gconcat.result
index ebec186591d..3c2225fb933 100644
--- a/mysql-test/r/func_gconcat.result
+++ b/mysql-test/r/func_gconcat.result
@@ -986,6 +986,23 @@ 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
DROP TABLE IF EXISTS t1, t2;
CREATE TABLE t1 (a VARCHAR(6), b INT);