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| author | Igor Babaev <igor@askmonty.org> | 2010-10-18 13:33:05 -0700 |
|---|---|---|
| committer | Igor Babaev <igor@askmonty.org> | 2010-10-18 13:33:05 -0700 |
| commit | 25f5debdc71105820aceaac25799eb3fc09479cd (patch) | |
| tree | 8832320275a120a662f4e553941a1bb86e83b667 /mysql-test/r/derived.result | |
| parent | 79087c9e072ea2c1af3f1372d5c37729545f618c (diff) | |
| download | mariadb-git-25f5debdc71105820aceaac25799eb3fc09479cd.tar.gz | |
MWL#128: Added into EXPLAIN output info about types of the used join buffers and
about the employed join algorithms.
Refactored constructors of the JOIN_CACHE* classes.
Diffstat (limited to 'mysql-test/r/derived.result')
| -rw-r--r-- | mysql-test/r/derived.result | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/mysql-test/r/derived.result b/mysql-test/r/derived.result index 80f04ffd455..e707f01edbf 100644 --- a/mysql-test/r/derived.result +++ b/mysql-test/r/derived.result @@ -58,7 +58,7 @@ a b a b explain select * from t1 as x1, (select * from t1) as x2; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY x1 ALL NULL NULL NULL NULL 4 -1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4 Using join buffer +1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4 Using join buffer (flat, BNL join) 2 DERIVED t1 ALL NULL NULL NULL NULL 4 drop table if exists t2,t3; select * from (select 1) as a; @@ -189,13 +189,13 @@ pla_id test explain SELECT STRAIGHT_JOIN d.pla_id, m2.mat_id FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY m2 ALL NULL NULL NULL NULL 9 -1 PRIMARY <derived2> ALL NULL NULL NULL NULL 6 Using where; Using join buffer +1 PRIMARY <derived2> ALL NULL NULL NULL NULL 6 Using where; Using join buffer (flat, BNL join) 2 DERIVED mp ALL NULL NULL NULL NULL 9 Using temporary; Using filesort 2 DERIVED m1 eq_ref PRIMARY PRIMARY 3 test.mp.mat_id 1 explain SELECT STRAIGHT_JOIN d.pla_id, m2.test FROM t1 m2 INNER JOIN (SELECT mp.pla_id, MIN(m1.matintnum) AS matintnum FROM t2 mp INNER JOIN t1 m1 ON mp.mat_id=m1.mat_id GROUP BY mp.pla_id) d ON d.matintnum=m2.matintnum; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY m2 ALL NULL NULL NULL NULL 9 -1 PRIMARY <derived2> ALL NULL NULL NULL NULL 6 Using where; Using join buffer +1 PRIMARY <derived2> ALL NULL NULL NULL NULL 6 Using where; Using join buffer (flat, BNL join) 2 DERIVED mp ALL NULL NULL NULL NULL 9 Using temporary; Using filesort 2 DERIVED m1 eq_ref PRIMARY PRIMARY 3 test.mp.mat_id 1 drop table t1,t2; @@ -246,7 +246,7 @@ a a 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 Using join buffer +1 PRIMARY <derived4> ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join) 4 DERIVED t1 ALL NULL NULL NULL NULL 2 5 UNION t1 ALL NULL NULL NULL NULL 2 NULL UNION RESULT <union4,5> ALL NULL NULL NULL NULL NULL @@ -313,7 +313,7 @@ explain SELECT s.name, AVG(s.val) AS median FROM (SELECT x.name, x.val FROM t1 x id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 3 Using temporary; Using filesort 2 DERIVED x ALL NULL NULL NULL NULL 17 Using temporary; Using filesort -2 DERIVED y ALL NULL NULL NULL NULL 17 Using where; Using join buffer +2 DERIVED y ALL NULL NULL NULL NULL 17 Using where; Using join buffer (flat, BNL join) drop table t1; create table t2 (a int, b int, primary key (a)); insert into t2 values (1,7),(2,7); |