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authorhf@deer.(none) <>2003-11-21 11:58:28 +0400
committerhf@deer.(none) <>2003-11-21 11:58:28 +0400
commiteb08458c553d99cca58fbb41c1949c00a50dca80 (patch)
tree1958030cb2e4fd7b1e8695db55ab95957c4c1eab /mysql-test/r/derived.result
parent0a5af4448023fabe2c7294a1ca03e0a6c25e925e (diff)
parenta88f4ea30f378234716e06d64dbc437babe79506 (diff)
downloadmariadb-git-eb08458c553d99cca58fbb41c1949c00a50dca80.tar.gz
Merge abotchkov@bk-internal.mysql.com:/home/bk/mysql-4.1
into deer.(none):/home/hf/work/mysql-4.1.1727
Diffstat (limited to 'mysql-test/r/derived.result')
-rw-r--r--mysql-test/r/derived.result17
1 files changed, 17 insertions, 0 deletions
diff --git a/mysql-test/r/derived.result b/mysql-test/r/derived.result
index 6d322078018..bb268cd1094 100644
--- a/mysql-test/r/derived.result
+++ b/mysql-test/r/derived.result
@@ -228,3 +228,20 @@ id select_type table type possible_keys key key_len ref rows Extra
2 DERIVED t1 ALL NULL NULL NULL NULL 2 Using where
3 DEPENDENT SUBQUERY B ALL NULL NULL NULL NULL 2 Using where
drop table t1;
+create table t1 (a int);
+insert into t1 values (1),(2);
+select * from ( select * from t1 union select * from t1) a,(select * from t1 union select * from t1) b;
+a a
+1 1
+2 1
+1 2
+2 2
+explain select * from ( select * from t1 union select * from t1) a,(select * from t1 union select * from t1) b;
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2
+1 PRIMARY <derived4> ALL NULL NULL NULL NULL 2
+4 DERIVED t1 ALL NULL NULL NULL NULL 2
+5 UNION t1 ALL NULL NULL NULL NULL 2
+2 DERIVED t1 ALL NULL NULL NULL NULL 2
+3 UNION t1 ALL NULL NULL NULL NULL 2
+drop table t1;