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| From: | kgeorge | Date: | April 30 2007 4:53pm |
| Subject: | bk commit into 5.1 tree (gkodinov:1.2508) BUG#27531 | ||
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Below is the list of changes that have just been committed into a local 5.1 repository of kgeorge. When kgeorge does a push these changes will be propagated to the main repository and, within 24 hours after the push, to the public repository. For information on how to access the public repository see http://dev.mysql.com/doc/mysql/en/installing-source-tree.html ChangeSet@stripped, 2007-04-30 17:53:01+03:00, gkodinov@stripped +31 -0 bug #27531: 5.1 part of the fix: - added join cache indication in EXPLAIN (Extra column). - prefer filesort over full scan over index for ORDER BY (because it's faster). - when switching from REF to RANGE because RANGE uses longer key turn off sort on the head table only as the resulting RANGE access is a candidate for join cache and we don't want to disable it by sorting on the first table only. mysql-test/r/archive_gis.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +1 -1 bug #27531: join cache in EXPLAIN mysql-test/r/compress.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +3 -3 bug #27531: - join cache in EXPLAIN. - prefer filesort over full scan over index for ORDER BY. mysql-test/r/ctype_utf8.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +1 -1 bug #27531: join cache in EXPLAIN mysql-test/r/derived.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +5 -5 bug #27531: join cache in EXPLAIN mysql-test/r/distinct.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +6 -6 bug #27531: join cache in EXPLAIN mysql-test/r/func_group.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +2 -2 bug #27531: join cache in EXPLAIN mysql-test/r/func_group_innodb.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +2 -2 bug #27531: join cache in EXPLAIN mysql-test/r/gis.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +1 -1 bug #27531: join cache in EXPLAIN mysql-test/r/greedy_optimizer.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +118 -118 bug #27531: join cache in EXPLAIN mysql-test/r/group_by.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +2 -2 bug #27531: join cache in EXPLAIN mysql-test/r/group_min_max.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +1 -1 bug #27531: join cache in EXPLAIN mysql-test/r/index_merge_myisam.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +4 -4 bug #27531: join cache in EXPLAIN mysql-test/r/information_schema.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +1 -1 bug #27531: join cache in EXPLAIN mysql-test/r/innodb_gis.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +1 -1 bug #27531: join cache in EXPLAIN mysql-test/r/innodb_mysql.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +2 -2 bug #27531: join cache in EXPLAIN mysql-test/r/join.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +1 -1 bug #27531: join cache in EXPLAIN mysql-test/r/join_nested.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +13 -13 bug #27531: join cache in EXPLAIN mysql-test/r/key_diff.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +1 -1 bug #27531: join cache in EXPLAIN mysql-test/r/myisam.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +3 -3 bug #27531: join cache in EXPLAIN mysql-test/r/ndb_condition_pushdown.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +2 -2 bug #27531: join cache in EXPLAIN mysql-test/r/ndb_gis.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +2 -2 bug #27531: join cache in EXPLAIN mysql-test/r/range.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +8 -8 bug #27531: join cache in EXPLAIN mysql-test/r/row.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +1 -1 bug #27531: join cache in EXPLAIN mysql-test/r/select.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +10 -10 bug #27531: - join cache in EXPLAIN. - prefer filesort over full scan over index for ORDER BY. mysql-test/r/ssl.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +3 -3 bug #27531: - join cache in EXPLAIN. - prefer filesort over full scan over index for ORDER BY. mysql-test/r/ssl_compress.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +3 -3 bug #27531: - join cache in EXPLAIN. - prefer filesort over full scan over index for ORDER BY. mysql-test/r/subselect.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +2 -2 bug #27531: join cache in EXPLAIN mysql-test/r/subselect3.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +1 -1 bug #27531: join cache in EXPLAIN mysql-test/r/union.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +1 -1 bug #27531: join cache in EXPLAIN mysql-test/r/view.result@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +1 -1 bug #27531: join cache in EXPLAIN sql/sql_select.cc@stripped, 2007-04-30 17:52:59+03:00, gkodinov@stripped +14 -0 bug #27531: - join cache in EXPLAIN. - prefer filesort over full scan over index for ORDER BY. - disable sorting on the first table only when switching from REF to RANGE. # This is a BitKeeper patch. What follows are the unified diffs for the # set of deltas contained in the patch. The rest of the patch, the part # that BitKeeper cares about, is below these diffs. # User: gkodinov # Host: magare.gmz # Root: /home/kgeorge/mysql/work/B27531-5.1-opt --- 1.517/sql/sql_select.cc 2007-04-30 15:27:09 +03:00 +++ 1.518/sql/sql_select.cc 2007-04-30 17:52:59 +03:00 @@ -5873,6 +5873,12 @@ make_join_select(JOIN *join,SQL_SELECT * tab->ref.key= -1; tab->ref.key_parts=0; // Don't use ref key. join->best_positions[i].records_read= rows2double(tab->quick->records); + /* + We will use join cache here : prevent sorting of the first + table only and sort at the end. + */ + if (i != join->const_tables && join->tables > join->const_tables + 1) + join->full_join=1; } tmp= NULL; @@ -12641,6 +12647,12 @@ test_if_skip_sort_order(JOIN_TAB *tab,OR uint nr; key_map keys; + /* + filesort() and join cache are usually faster than reading in + index order and not using join cache + */ + if (tab->type == JT_ALL && tab->join->tables > tab->join->const_tables + 1) + DBUG_RETURN(0); /* If not used with LIMIT, only use keys if the whole query can be resolved with a key; This is because filesort() is usually faster than @@ -15468,6 +15480,8 @@ static void select_describe(JOIN *join, break; } } + if (tab->next_select == sub_select_cache) + extra.append(STRING_WITH_LEN("; Using join cache")); /* Skip initial "; "*/ const char *str= extra.ptr(); --- 1.58/mysql-test/r/derived.result 2007-02-26 12:49:23 +02:00 +++ 1.59/mysql-test/r/derived.result 2007-04-30 17:52:59 +03:00 @@ -57,7 +57,7 @@ a b a b 3 c 3 c 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 x1 ALL NULL NULL NULL NULL 4 Using join cache 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4 2 DERIVED t1 ALL NULL NULL NULL NULL 4 drop table if exists t2,t3; @@ -188,13 +188,13 @@ pla_id test 105 3 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 m2 ALL NULL NULL NULL NULL 9 Using join cache 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 6 Using where 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 m2 ALL NULL NULL NULL NULL 9 Using join cache 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 6 Using where 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 @@ -245,7 +245,7 @@ a a 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 <derived2> ALL NULL NULL NULL NULL 2 Using join cache 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 @@ -312,7 +312,7 @@ b 3.5000 explain SELECT s.name, AVG(s.val) AS median FROM (SELECT x.name, x.val FROM t1 x, t1 y WHERE x.name=y.name GROUP BY x.name, x.val HAVING SUM(y.val <= x.val) >= COUNT(*)/2 AND SUM(y.val >= x.val) >= COUNT(*)/2) AS s GROUP BY s.name; 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 x ALL NULL NULL NULL NULL 17 Using temporary; Using filesort; Using join cache 2 DERIVED y ALL NULL NULL NULL NULL 17 Using where drop table t1; create table t2 (a int, b int, primary key (a)); --- 1.98/mysql-test/r/union.result 2007-03-22 23:04:28 +02:00 +++ 1.99/mysql-test/r/union.result 2007-04-30 17:52:59 +03:00 @@ -499,7 +499,7 @@ a b explain (select * from t1 where a=1 and b=10) union (select straight_join t1.a,t2.a from t1,t2 where t1.a=t2.a); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables -2 UNION t1 index PRIMARY PRIMARY 4 NULL 4 Using index +2 UNION t1 index PRIMARY PRIMARY 4 NULL 4 Using index; Using join cache 2 UNION t2 index PRIMARY PRIMARY 4 NULL 4 Using where; Using index NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL explain (select * from t1 where a=1) union (select * from t1 where b=1); --- 1.29/mysql-test/r/innodb_mysql.result 2007-04-29 17:59:29 +03:00 +++ 1.30/mysql-test/r/innodb_mysql.result 2007-04-30 17:52:59 +03:00 @@ -163,7 +163,7 @@ min(7) 7 explain select min(7) from t2i join t1i; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2i ALL NULL NULL NULL NULL 1 +1 SIMPLE t2i ALL NULL NULL NULL NULL 1 Using join cache 1 SIMPLE t1i ALL NULL NULL NULL NULL 1 select min(7) from t2i join t1i; min(7) @@ -179,7 +179,7 @@ max(7) 7 explain select max(7) from t2i join t1i; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2i ALL NULL NULL NULL NULL 1 +1 SIMPLE t2i ALL NULL NULL NULL NULL 1 Using join cache 1 SIMPLE t1i ALL NULL NULL NULL NULL 1 select max(7) from t2i join t1i; max(7) --- 1.115/mysql-test/r/ctype_utf8.result 2007-04-13 08:08:46 +03:00 +++ 1.116/mysql-test/r/ctype_utf8.result 2007-04-30 17:52:59 +03:00 @@ -1454,7 +1454,7 @@ insert into t1 values ('123'), ('456'); explain select substr(Z.a,-1), Z.a from t1 as Y join t1 as Z on Y.a=Z.a order by 1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE Y ALL NULL NULL NULL NULL 2 Using temporary; Using filesort +1 SIMPLE Y ALL NULL NULL NULL NULL 2 Using temporary; Using filesort; Using join cache 1 SIMPLE Z ALL NULL NULL NULL NULL 2 Using where select substr(Z.a,-1), Z.a from t1 as Y join t1 as Z on Y.a=Z.a order by 1; substr(Z.a,-1) a --- 1.29/mysql-test/r/row.result 2007-04-20 23:26:32 +03:00 +++ 1.30/mysql-test/r/row.result 2007-04-30 17:52:59 +03:00 @@ -376,7 +376,7 @@ a b a b c 3 2 3 1 3 EXPLAIN EXTENDED SELECT * FROM t1,t2 WHERE (t1.a-1,t1.b)=(t2.a-1,t2.b+1); id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t1 index NULL PRIMARY 8 NULL 6 100.00 Using index +1 SIMPLE t1 index NULL PRIMARY 8 NULL 6 100.00 Using index; Using join cache 1 SIMPLE t2 index NULL PRIMARY 12 NULL 7 100.00 Using where; Using index Warnings: Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t1` join `test`.`t2` where (((`test`.`t1`.`a` - 1) = (`test`.`t2`.`a` - 1)) and (`test`.`t1`.`b` = (`test`.`t2`.`b` + 1))) --- 1.183/mysql-test/r/subselect.result 2007-04-29 16:46:03 +03:00 +++ 1.184/mysql-test/r/subselect.result 2007-04-30 17:52:59 +03:00 @@ -904,7 +904,7 @@ a t1.a in (select t2.a from t2,t3 where explain extended SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1; id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 100.00 Using index -2 DEPENDENT SUBQUERY t2 ref_or_null a a 5 func 2 100.00 Using where; Using index +2 DEPENDENT SUBQUERY t2 ref_or_null a a 5 func 2 100.00 Using where; Using index; Using join cache 2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1003 select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1` @@ -1354,7 +1354,7 @@ a explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t2 index NULL a 5 NULL 4 100.00 Using where; Using index -2 DEPENDENT SUBQUERY t1 ref a a 5 func 1001 100.00 Using where; Using index +2 DEPENDENT SUBQUERY t1 ref a a 5 func 1001 100.00 Using where; Using index; Using join cache 2 DEPENDENT SUBQUERY t3 index a a 5 NULL 3 100.00 Using where; Using index Warnings: Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t1` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t1`.`b`) and (<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`)))) --- 1.221/mysql-test/r/view.result 2007-04-24 16:03:02 +03:00 +++ 1.222/mysql-test/r/view.result 2007-04-30 17:52:59 +03:00 @@ -2317,7 +2317,7 @@ id select_type table type possible_keys 1 SIMPLE t2 ref a a 10 const,test.t1.b 2 Using where; Using index EXPLAIN SELECT * FROM v2 WHERE a=1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref a a 5 const 1 Using where; Using index +1 SIMPLE t1 ref a a 5 const 1 Using where; Using index; Using join cache 1 SIMPLE t3 ALL NULL NULL NULL NULL 3 Using where DROP VIEW v1,v2; DROP TABLE t1,t2,t3; --- 1.12/mysql-test/r/archive_gis.result 2007-03-29 12:59:45 +03:00 +++ 1.13/mysql-test/r/archive_gis.result 2007-04-30 17:52:59 +03:00 @@ -402,7 +402,7 @@ Equals(g1.g, g2.g) as e, Disjoint(g1.g, Intersects(g1.g, g2.g) as i, Crosses(g1.g, g2.g) as r FROM gis_geometrycollection g1, gis_geometrycollection g2 ORDER BY first, second; id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE g1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort +1 SIMPLE g1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort; Using join cache 1 SIMPLE g2 ALL NULL NULL NULL NULL 2 100.00 Warnings: Note 1003 select `test`.`g1`.`fid` AS `first`,`test`.`g2`.`fid` AS `second`,within(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `w`,contains(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `c`,overlaps(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `o`,equals(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `e`,disjoint(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `d`,touches(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `t`,intersects(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `i`,crosses(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `r` from `test`.`gis_geometrycollection` `g1` join `test`.`gis_geometrycollection` `g2` order by `test`.`g1`.`fid`,`test`.`g2`.`fid` --- 1.13/mysql-test/r/innodb_gis.result 2007-03-29 12:59:59 +03:00 +++ 1.14/mysql-test/r/innodb_gis.result 2007-04-30 17:52:59 +03:00 @@ -402,7 +402,7 @@ Equals(g1.g, g2.g) as e, Disjoint(g1.g, Intersects(g1.g, g2.g) as i, Crosses(g1.g, g2.g) as r FROM gis_geometrycollection g1, gis_geometrycollection g2 ORDER BY first, second; id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE g1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort +1 SIMPLE g1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort; Using join cache 1 SIMPLE g2 ALL NULL NULL NULL NULL 2 100.00 Warnings: Note 1003 select `test`.`g1`.`fid` AS `first`,`test`.`g2`.`fid` AS `second`,within(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `w`,contains(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `c`,overlaps(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `o`,equals(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `e`,disjoint(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `d`,touches(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `t`,intersects(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `i`,crosses(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `r` from `test`.`gis_geometrycollection` `g1` join `test`.`gis_geometrycollection` `g2` order by `test`.`g1`.`fid`,`test`.`g2`.`fid` --- 1.19/mysql-test/r/ndb_gis.result 2007-03-29 13:45:05 +03:00 +++ 1.20/mysql-test/r/ndb_gis.result 2007-04-30 17:52:59 +03:00 @@ -402,7 +402,7 @@ Equals(g1.g, g2.g) as e, Disjoint(g1.g, Intersects(g1.g, g2.g) as i, Crosses(g1.g, g2.g) as r FROM gis_geometrycollection g1, gis_geometrycollection g2 ORDER BY first, second; id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE g1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort +1 SIMPLE g1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort; Using join cache 1 SIMPLE g2 ALL NULL NULL NULL NULL 2 100.00 Warnings: Note 1003 select `test`.`g1`.`fid` AS `first`,`test`.`g2`.`fid` AS `second`,within(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `w`,contains(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `c`,overlaps(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `o`,equals(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `e`,disjoint(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `d`,touches(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `t`,intersects(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `i`,crosses(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `r` from `test`.`gis_geometrycollection` `g1` join `test`.`gis_geometrycollection` `g2` order by `test`.`g1`.`fid`,`test`.`g2`.`fid` @@ -952,7 +952,7 @@ Equals(g1.g, g2.g) as e, Disjoint(g1.g, Intersects(g1.g, g2.g) as i, Crosses(g1.g, g2.g) as r FROM gis_geometrycollection g1, gis_geometrycollection g2 ORDER BY first, second; id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE g1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort +1 SIMPLE g1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort; Using join cache 1 SIMPLE g2 ALL NULL NULL NULL NULL 2 100.00 Warnings: Note 1003 select `test`.`g1`.`fid` AS `first`,`test`.`g2`.`fid` AS `second`,within(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `w`,contains(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `c`,overlaps(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `o`,equals(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `e`,disjoint(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `d`,touches(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `t`,intersects(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `i`,crosses(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `r` from `test`.`gis_geometrycollection` `g1` join `test`.`gis_geometrycollection` `g2` order by `test`.`g1`.`fid`,`test`.`g2`.`fid` --- 1.151/mysql-test/r/information_schema.result 2007-04-06 14:53:01 +03:00 +++ 1.152/mysql-test/r/information_schema.result 2007-04-30 17:52:59 +03:00 @@ -289,7 +289,7 @@ explain select a.ROUTINE_NAME from infor information_schema.SCHEMATA b where a.ROUTINE_SCHEMA = b.SCHEMA_NAME; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE # ALL NULL NULL NULL NULL 2 +1 SIMPLE # ALL NULL NULL NULL NULL 2 Using join cache 1 SIMPLE # ALL NULL NULL NULL NULL 2 Using where select a.ROUTINE_NAME, b.name from information_schema.ROUTINES a, mysql.proc b where a.ROUTINE_NAME = convert(b.name using utf8) order by 1; --- 1.26/mysql-test/r/join_nested.result 2007-02-02 08:19:31 +02:00 +++ 1.27/mysql-test/r/join_nested.result 2007-04-30 17:52:59 +03:00 @@ -228,7 +228,7 @@ LEFT JOIN t8 ON t7.b=t8.b AND t6.b < 10; id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t7 ALL NULL NULL NULL NULL 2 100.00 +1 SIMPLE t7 ALL NULL NULL NULL NULL 2 100.00 Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 1 SIMPLE t8 ALL NULL NULL NULL NULL 2 100.00 Warnings: @@ -543,7 +543,7 @@ WHERE t0.a=1 AND t0.b=t1.b AND (t2.a >= 4 OR t2.c IS NULL); id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t0 ALL NULL NULL NULL NULL 3 100.00 Using where +1 SIMPLE t0 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join cache 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 @@ -638,7 +638,7 @@ t0.b=t1.b AND (t8.b=t9.b OR t8.c IS NULL) AND (t9.a=1); id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t0 ALL NULL NULL NULL NULL 3 100.00 Using where +1 SIMPLE t0 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join cache 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where @@ -646,7 +646,7 @@ id select_type table type possible_keys 1 SIMPLE t5 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t7 ALL NULL NULL NULL NULL 2 100.00 Using where 1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where -1 SIMPLE t8 ALL NULL NULL NULL NULL 2 100.00 Using where +1 SIMPLE t8 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join cache 1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t3`.`a` = 1))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5! `.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`))) @@ -835,7 +835,7 @@ t2 ON t3.a=1 AND t2.b=t4.b WHERE t1.a <= 2; id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using where +1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 1 SIMPLE t4 ALL NULL NULL NULL NULL 2 100.00 @@ -849,7 +849,7 @@ LEFT JOIN (t1,t2) ON t3.a=1 AND t3.b=t2.b AND t2.b=t4.b; id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 +1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 2 100.00 1 SIMPLE t2 ref idx_b idx_b 5 test.t3.b 2 100.00 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 @@ -905,7 +905,7 @@ t0.b=t1.b AND (t8.b=t9.b OR t8.c IS NULL) AND (t9.a=1); id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t0 ALL NULL NULL NULL NULL 3 100.00 Using where +1 SIMPLE t0 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join cache 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where @@ -913,7 +913,7 @@ id select_type table type possible_keys 1 SIMPLE t5 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t7 ALL NULL NULL NULL NULL 2 100.00 Using where 1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where -1 SIMPLE t8 ALL NULL NULL NULL NULL 2 100.00 Using where +1 SIMPLE t8 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join cache 1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t3`.`a` = 1))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5! `.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`))) @@ -955,7 +955,7 @@ t0.b=t1.b AND (t8.b=t9.b OR t8.c IS NULL) AND (t9.a=1); id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t0 ALL NULL NULL NULL NULL 3 100.00 Using where +1 SIMPLE t0 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join cache 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where @@ -963,7 +963,7 @@ id select_type table type possible_keys 1 SIMPLE t5 ALL idx_b NULL NULL NULL 3 100.00 Using where 1 SIMPLE t7 ALL NULL NULL NULL NULL 2 100.00 Using where 1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where -1 SIMPLE t8 ALL NULL NULL NULL NULL 2 100.00 Using where +1 SIMPLE t8 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join cache 1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t3`.`a` = 1))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5! `.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`))) @@ -1004,7 +1004,7 @@ t0.b=t1.b AND (t8.b=t9.b OR t8.c IS NULL) AND (t9.a=1); id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE t0 ALL NULL NULL NULL NULL 3 100.00 Using where +1 SIMPLE t0 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join cache 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where @@ -1012,7 +1012,7 @@ id select_type table type possible_keys 1 SIMPLE t5 ALL idx_b NULL NULL NULL 3 100.00 Using where 1 SIMPLE t7 ALL NULL NULL NULL NULL 2 100.00 Using where 1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where -1 SIMPLE t8 ref idx_b idx_b 5 test.t5.b 2 100.00 Using where +1 SIMPLE t8 ref idx_b idx_b 5 test.t5.b 2 100.00 Using where; Using join cache 1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t3`.`a` = 1))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5! `.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`))) @@ -1062,7 +1062,7 @@ id select_type table type possible_keys 1 SIMPLE t5 ALL idx_b NULL NULL NULL 3 100.00 Using where 1 SIMPLE t7 ALL NULL NULL NULL NULL 2 100.00 Using where 1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where -1 SIMPLE t8 ref idx_b idx_b 5 test.t5.b 2 100.00 Using where +1 SIMPLE t8 ref idx_b idx_b 5 test.t5.b 2 100.00 Using where; Using join cache 1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t3`.`a` = 1))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5! `.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`))) --- 1.5/mysql-test/r/index_merge_myisam.result 2006-12-26 20:09:59 +02:00 +++ 1.6/mysql-test/r/index_merge_myisam.result 2007-04-30 17:52:59 +03:00 @@ -270,7 +270,7 @@ id select_type table type possible_keys explain select * from t0,t1 where t0.key1 = 5 and (t1.key1 = t0.key1 or t1.key8 = t0.key1); id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 ref i1 i1 4 const 1 +1 SIMPLE t0 ref i1 i1 4 const 1 Using join cache 1 SIMPLE t1 index_merge i1,i8 i1,i8 4,4 NULL 2 Using union(i1,i8); Using where explain select * from t0,t1 where t0.key1 < 3 and (t1.key1 = t0.key1 or t1.key8 = t0.key1); @@ -347,7 +347,7 @@ from t0 as A force index(i1,i2), t0 as B where (A.key1 < 500000 or A.key2 < 3) and (B.key1 < 500000 or B.key2 < 3); id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE A index_merge i1,i2 i1,i2 4,4 NULL 1013 Using sort_union(i1,i2); Using where +1 SIMPLE A index_merge i1,i2 i1,i2 4,4 NULL 1013 Using sort_union(i1,i2); Using where; Using join cache 1 SIMPLE B index_merge i1,i2 i1,i2 4,4 NULL 1013 Using sort_union(i1,i2); Using where select max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5) from t0 as A force index(i1,i2), t0 as B force index (i1,i2) @@ -361,7 +361,7 @@ from t0 as A force index(i1,i2), t0 as B where (A.key1 = 1 or A.key2 = 1) and (B.key1 = 1 or B.key2 = 1); id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE A index_merge i1,i2 i1,i2 4,4 NULL 1020 Using union(i1,i2); Using where +1 SIMPLE A index_merge i1,i2 i1,i2 4,4 NULL 1020 Using union(i1,i2); Using where; Using join cache 1 SIMPLE B index_merge i1,i2 i1,i2 4,4 NULL 1020 Using union(i1,i2); Using where select max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5) from t0 as A force index(i1,i2), t0 as B force index (i1,i2) @@ -376,7 +376,7 @@ from t0 as A, t0 as B where (A.key1 = 1 and A.key2 = 1 and A.key3 = 1 and A.key4=1 and A.key5=1 and A.key6=1 and A.key7 = 1 or A.key8=1) and (B.key1 = 1 and B.key2 = 1 and B.key3 = 1 and B.key4=1 and B.key5=1 and B.key6=1 and B.key7 = 1 or B.key8=1); id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE A index_merge i1,i2,i3,i4,i5,i6,i7?,i8 i2,i3,i4,i5,i6,i7?,i8 X NULL # Using union(intersect(i2,i3,i4,i5,i6,i7?),i8); Using where +1 SIMPLE A index_merge i1,i2,i3,i4,i5,i6,i7?,i8 i2,i3,i4,i5,i6,i7?,i8 X NULL # Using union(intersect(i2,i3,i4,i5,i6,i7?),i8); Using where; Using join cache 1 SIMPLE B index_merge i1,i2,i3,i4,i5,i6,i7?,i8 i2,i3,i4,i5,i6,i7?,i8 X NULL # Using union(intersect(i2,i3,i4,i5,i6,i7?),i8); Using where select max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5) from t0 as A, t0 as B --- 1.53/mysql-test/r/distinct.result 2007-04-29 11:01:44 +03:00 +++ 1.54/mysql-test/r/distinct.result 2007-04-30 17:52:59 +03:00 @@ -174,7 +174,7 @@ INSERT INTO t3 VALUES (1,'1'),(2,'2'),(1 explain SELECT distinct t3.a FROM t3,t2,t1 WHERE t3.a=t1.b AND t1.a=t2.a; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 4 Using temporary -1 SIMPLE t3 ref a a 5 test.t1.b 2 Using where; Using index +1 SIMPLE t3 ref a a 5 test.t1.b 2 Using where; Using index; Using join cache 1 SIMPLE t2 index a a 4 NULL 5 Using where; Using index; Distinct SELECT distinct t3.a FROM t3,t2,t1 WHERE t3.a=t1.b AND t1.a=t2.a; a @@ -299,11 +299,11 @@ WHERE ((t1.id=j_lj_t2.id AND t2_lj.id IS NULL) OR (t1.id=t2.id AND t2.idx=2)) AND ((t1.id=j_lj_t3.id AND t3_lj.id IS NULL) OR (t1.id=t3.id AND t3.idx=2)); id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index id id 4 NULL 2 Using index; Using temporary -1 SIMPLE t2 index id id 8 NULL 1 Using index; Distinct -1 SIMPLE t3 index id id 8 NULL 1 Using index; Distinct +1 SIMPLE t1 index id id 4 NULL 2 Using index; Using temporary; Using join cache +1 SIMPLE t2 index id id 8 NULL 1 Using index; Distinct; Using join cache +1 SIMPLE t3 index id id 8 NULL 1 Using index; Distinct; Using join cache 1 SIMPLE j_lj_t2 index id id 4 NULL 2 Using where; Using index; Distinct -1 SIMPLE t2_lj ref id id 4 test.j_lj_t2.id 1 Using where; Using index; Distinct +1 SIMPLE t2_lj ref id id 4 test.j_lj_t2.id 1 Using where; Using index; Distinct; Using join cache 1 SIMPLE j_lj_t3 index id id 4 NULL 2 Using where; Using index; Distinct 1 SIMPLE t3_lj ref id id 4 test.j_lj_t3.id 1 Using where; Using index; Distinct SELECT DISTINCT @@ -514,7 +514,7 @@ id select_type table type possible_keys 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 EXPLAIN SELECT DISTINCT t1_1.a, t1_1.b FROM t1 t1_1, t1 t1_2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1_1 ALL NULL NULL NULL NULL 3 Using temporary +1 SIMPLE t1_1 ALL NULL NULL NULL NULL 3 Using temporary; Using join cache 1 SIMPLE t1_2 index NULL PRIMARY 4 NULL 3 Using index; Distinct EXPLAIN SELECT DISTINCT t1_1.a, t1_1.b FROM t1 t1_1, t1 t1_2 WHERE t1_1.a = t1_2.a; --- 1.62/mysql-test/r/func_group.result 2007-03-29 14:29:38 +03:00 +++ 1.63/mysql-test/r/func_group.result 2007-04-30 17:52:59 +03:00 @@ -613,7 +613,7 @@ id select_type table type possible_keys explain select max(t1.a3), min(t2.a2) from t1, t2 where t1.a2 = 2 and t1.a3 < 'MIN' and t2.a3 > 'CA'; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range k1 k1 7 NULL 1 Using where; Using index +1 SIMPLE t1 range k1 k1 7 NULL 1 Using where; Using index; Using join cache 1 SIMPLE t2 range k1 k1 3 NULL 4 Using where; Using index explain select min(a4 - 0.01) from t1; @@ -650,7 +650,7 @@ id select_type table type possible_keys explain select concat(min(t1.a1),min(t2.a4)) from t1, t2 where t2.a4 <> 'AME'; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 range k2 k2 4 NULL 6 Using where; Using index +1 SIMPLE t2 range k2 k2 4 NULL 6 Using where; Using index; Using join cache 1 SIMPLE t1 index NULL PRIMARY 3 NULL 15 Using index drop table t1, t2; create table t1 (a char(10)); --- 1.81/mysql-test/r/group_by.result 2007-04-29 11:05:36 +03:00 +++ 1.82/mysql-test/r/group_by.result 2007-04-30 17:52:59 +03:00 @@ -536,11 +536,11 @@ a b 1 1 explain select t1.a,t2.b from t1,t2 where t1.a=t2.a group by t1.a,t2.b; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using temporary; Using filesort +1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using temporary; Using filesort; Using join cache 1 SIMPLE t2 ALL a NULL NULL NULL 4 Using where explain select t1.a,t2.b from t1,t2 where t1.a=t2.a group by t1.a,t2.b ORDER BY NULL; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using temporary +1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using temporary; Using join cache 1 SIMPLE t2 ALL a NULL NULL NULL 4 Using where drop table t1,t2; create table t1 (a int, b int); --- 1.47/mysql-test/r/join.result 2007-04-30 15:28:59 +03:00 +++ 1.48/mysql-test/r/join.result 2007-04-30 17:52:59 +03:00 @@ -819,7 +819,7 @@ EXPLAIN SELECT STRAIGHT_JOIN t2.e FROM t1,t2 WHERE t2.d=1 AND t1.b=t2.e ORDER BY t1.b, t1.c; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 32 Using temporary; Using filesort +1 SIMPLE t1 ALL NULL NULL NULL NULL 32 Using temporary; Using filesort; Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 16 Using where SELECT STRAIGHT_JOIN t2.e FROM t1,t2 WHERE t2.d=1 AND t1.b=t2.e ORDER BY t1.b, t1.c; --- 1.11/mysql-test/r/key_diff.result 2006-07-28 20:26:56 +03:00 +++ 1.12/mysql-test/r/key_diff.result 2007-04-30 17:52:59 +03:00 @@ -35,7 +35,7 @@ D E a a a a a a explain select t1.*,t2.* from t1,t1 as t2 where t1.A=t2.B; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL a NULL NULL NULL 5 +1 SIMPLE t1 ALL a NULL NULL NULL 5 Using join cache 1 SIMPLE t2 ALL b NULL NULL NULL 5 Using where select t1.*,t2.* from t1,t1 as t2 where t1.A=t2.B order by binary t1.a,t2.a; a b a b --- 1.61/mysql-test/r/range.result 2007-03-31 02:12:27 +03:00 +++ 1.62/mysql-test/r/range.result 2007-04-30 17:52:59 +03:00 @@ -220,27 +220,27 @@ insert into t1 (x) values (1),(2),(3),(4 update t1 set y=x; explain select * from t1, t1 t2 where t1.y = 8 and t2.x between 7 and t1.y+0; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref y y 5 const 1 Using where +1 SIMPLE t1 ref y y 5 const 1 Using where; Using join cache 1 SIMPLE t2 range x x 5 NULL 2 Using where explain select * from t1, t1 t2 where t1.y = 8 and t2.x >= 7 and t2.x <= t1.y+0; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref y y 5 const 1 Using where +1 SIMPLE t1 ref y y 5 const 1 Using where; Using join cache 1 SIMPLE t2 range x x 5 NULL 2 Using where explain select * from t1, t1 t2 where t1.y = 2 and t2.x between t1.y-1 and t1.y+1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref y y 5 const 1 Using where +1 SIMPLE t1 ref y y 5 const 1 Using where; Using join cache 1 SIMPLE t2 range x x 5 NULL 3 Using where explain select * from t1, t1 t2 where t1.y = 2 and t2.x >= t1.y-1 and t2.x <= t1.y+1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref y y 5 const 1 Using where +1 SIMPLE t1 ref y y 5 const 1 Using where; Using join cache 1 SIMPLE t2 range x x 5 NULL 3 Using where explain select * from t1, t1 t2 where t1.y = 2 and t2.x between 0 and t1.y; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref y y 5 const 1 Using where +1 SIMPLE t1 ref y y 5 const 1 Using where; Using join cache 1 SIMPLE t2 range x x 5 NULL 2 Using where explain select * from t1, t1 t2 where t1.y = 2 and t2.x >= 0 and t2.x <= t1.y; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref y y 5 const 1 Using where +1 SIMPLE t1 ref y y 5 const 1 Using where; Using join cache 1 SIMPLE t2 range x x 5 NULL 2 Using where explain select count(*) from t1 where x in (1); id select_type table type possible_keys key key_len ref rows Extra @@ -255,12 +255,12 @@ CREATE TABLE t2 (keya int(11) NOT NULL d INSERT INTO t2 VALUES (0),(0),(1),(1),(2),(2); explain select * from t1, t2 where (t1.key1 <t2.keya + 1) and t2.keya=3; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ref j1 j1 4 const 1 Using index +1 SIMPLE t2 ref j1 j1 4 const 1 Using index; Using join cache 1 SIMPLE t1 index i1 i1 4 NULL 7 Using where; Using index explain select * from t1 force index(i1), t2 force index(j1) where (t1.key1 <t2.keya + 1) and t2.keya=3; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ref j1 j1 4 const 1 Using index +1 SIMPLE t2 ref j1 j1 4 const 1 Using index; Using join cache 1 SIMPLE t1 index i1 i1 4 NULL 7 Using where; Using index DROP TABLE t1,t2; CREATE TABLE t1 ( --- 1.157/mysql-test/r/select.result 2007-04-12 00:42:20 +03:00 +++ 1.158/mysql-test/r/select.result 2007-04-30 17:52:59 +03:00 @@ -607,11 +607,11 @@ id select_type table type possible_keys 1 SIMPLE t3 ref period period 4 test.t1.period 4181 explain select * from t3 as t1,t3 where t1.period=t3.period order by t3.period limit 10; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t3 index period period 4 NULL 41810 +1 SIMPLE t3 ALL period NULL NULL NULL 41810 Using filesort 1 SIMPLE t1 ref period period 4 test.t3.period 4181 explain select * from t3 as t1,t3 where t1.period=t3.period order by t1.period limit 10; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index period period 4 NULL 41810 +1 SIMPLE t1 ALL period NULL NULL NULL 41810 Using filesort 1 SIMPLE t3 ref period period 4 test.t1.period 4181 select period from t1; period @@ -1430,7 +1430,7 @@ companynr companynr 41 40 explain select distinct t2.companynr,t4.companynr from t2,t4 where t2.companynr=t4.companynr+1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t4 index NULL PRIMARY 1 NULL 12 Using index; Using temporary +1 SIMPLE t4 index NULL PRIMARY 1 NULL 12 Using index; Using temporary; Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where select t2.fld1,t2.companynr,fld3,period from t3,t2 where t2.fld1 = 38208 and t2.fld1=t3.t2nr and period = 1008 or t2.fld1 = 38008 and t2.fld1 =t3.t2nr and period = 1008; fld1 companynr fld3 period @@ -2362,7 +2362,7 @@ insert into t1 values (1,2), (2,2), (3,2 insert into t2 values (1,3), (2,3), (3,4), (4,4); explain select * from t1 left join t2 on a=c where d in (4); id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ref c,d d 5 const 2 Using where +1 SIMPLE t2 ref c,d d 5 const 2 Using where; Using join cache 1 SIMPLE t1 ALL a NULL NULL NULL 4 Using where select * from t1 left join t2 on a=c where d in (4); a b c d @@ -2370,7 +2370,7 @@ a b c d 4 2 4 4 explain select * from t1 left join t2 on a=c where d = 4; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ref c,d d 5 const 2 Using where +1 SIMPLE t2 ref c,d d 5 const 2 Using where; Using join cache 1 SIMPLE t1 ALL a NULL NULL NULL 4 Using where select * from t1 left join t2 on a=c where d = 4; a b c d @@ -2716,7 +2716,7 @@ explain select straight_join DISTINCT t2 where (t1.c=t2.a or (t1.c=t3.a and t2.a=t3.b)) and t1.b=556476786 and t2.b like '%%' order by t2.b limit 0,1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref b,c b 5 const 1 Using where; Using temporary; Using filesort +1 SIMPLE t1 ref b,c b 5 const 1 Using where; Using temporary; Using filesort; Using join cache 1 SIMPLE t3 index PRIMARY,a,b PRIMARY 8 NULL 2 Using index 1 SIMPLE t2 ALL PRIMARY NULL NULL NULL 2 Range checked for each record (index map: 0x1) DROP TABLE t1,t2,t3; @@ -2737,7 +2737,7 @@ INSERT INTO t2 VALUES (1,NULL), (2,10); ALTER TABLE t1 ENABLE KEYS; EXPLAIN SELECT STRAIGHT_JOIN SQL_NO_CACHE COUNT(*) FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 index b b 5 NULL 2 Using index +1 SIMPLE t2 index b b 5 NULL 2 Using index; Using join cache 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where SELECT STRAIGHT_JOIN SQL_NO_CACHE * FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL; a b a b @@ -2747,7 +2747,7 @@ a b a b 2 10 4 10 EXPLAIN SELECT STRAIGHT_JOIN SQL_NO_CACHE COUNT(*) FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 index b b 5 NULL 2 Using index +1 SIMPLE t2 index b b 5 NULL 2 Using index; Using join cache 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where SELECT STRAIGHT_JOIN SQL_NO_CACHE * FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL; a b a b @@ -2901,11 +2901,11 @@ a 4 EXPLAIN SELECT t1.a FROM t1 STRAIGHT_JOIN t2 ON t1.a=t2.a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 5 +1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using where EXPLAIN SELECT t1.a FROM t1 INNER JOIN t2 ON t1.a=t2.a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL NULL NULL NULL NULL 3 +1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using join cache 1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using where DROP TABLE t1,t2; select x'10' + 0, X'10' + 0, b'10' + 0, B'10' + 0; --- 1.109/mysql-test/r/myisam.result 2007-03-28 18:00:35 +03:00 +++ 1.110/mysql-test/r/myisam.result 2007-04-30 17:52:59 +03:00 @@ -345,11 +345,11 @@ t1 1 c_2 1 c A 5 NULL NULL YES BTREE t1 1 c_2 2 a A 5 NULL NULL BTREE explain select * from t1,t2 where t1.a=t2.a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL a NULL NULL NULL 2 +1 SIMPLE t2 ALL a NULL NULL NULL 2 Using join cache 1 SIMPLE t1 ALL a NULL NULL NULL 5 Using where explain select * from t1,t2 force index(a) where t1.a=t2.a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL a NULL NULL NULL 2 +1 SIMPLE t2 ALL a NULL NULL NULL 2 Using join cache 1 SIMPLE t1 ALL a NULL NULL NULL 5 Using where explain select * from t1 force index(a),t2 force index(a) where t1.a=t2.a; id select_type table type possible_keys key key_len ref rows Extra @@ -361,7 +361,7 @@ id select_type table type possible_keys 1 SIMPLE t1 ref b b 5 test.t2.b 1 Using where explain select * from t1,t2 force index(c) where t1.a=t2.a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL NULL NULL NULL NULL 2 +1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using join cache 1 SIMPLE t1 ALL a NULL NULL NULL 5 Using where explain select * from t1 where a=0 or a=2; id select_type table type possible_keys key key_len ref rows Extra --- 1.30/mysql-test/r/ndb_condition_pushdown.result 2006-10-16 17:11:07 +03:00 +++ 1.31/mysql-test/r/ndb_condition_pushdown.result 2007-04-30 17:52:59 +03:00 @@ -1730,7 +1730,7 @@ pk1 attr1 attr2 attr3 attr4 explain select * from t2,t3 where t2.attr1 < 1 and t2.attr2 = t3.attr2 and t3.attr1 < 5 order by t2.pk1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL NULL NULL NULL NULL # Using where with pushed condition; Using temporary; Using filesort +1 SIMPLE t2 ALL NULL NULL NULL NULL # Using where with pushed condition; Using temporary; Using filesort; Using join cache 1 SIMPLE t3 ALL NULL NULL NULL NULL # Using where with pushed condition select * from t2,t3 where t2.attr1 < 1 and t2.attr2 = t3.attr2 and t3.attr1 < 5 order by t2.pk1; pk1 attr1 attr2 attr3 pk1 attr1 attr2 attr3 attr4 @@ -1746,7 +1746,7 @@ pk1 attr1 attr2 attr3 attr4 explain select * from t3,t4 where t4.attr1 > 1 and t4.attr2 = t3.attr2 and t4.attr3 < 5 order by t4.pk1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t4 range attr1 attr1 4 NULL # Using where with pushed condition; Using temporary; Using filesort +1 SIMPLE t4 range attr1 attr1 4 NULL # Using where with pushed condition; Using temporary; Using filesort; Using join cache 1 SIMPLE t3 ALL NULL NULL NULL NULL # Using where select * from t3,t4 where t4.attr1 > 1 and t4.attr2 = t3.attr2 and t4.attr3 < 5 order by t4.pk1; pk1 attr1 attr2 attr3 attr4 pk1 attr1 attr2 attr3 attr4 --- 1.8/mysql-test/r/compress.result 2007-04-03 12:24:33 +03:00 +++ 1.9/mysql-test/r/compress.result 2007-04-30 17:52:59 +03:00 @@ -611,11 +611,11 @@ id select_type table type possible_keys 1 SIMPLE t3 ref period period 4 test.t1.period 4181 explain select * from t3 as t1,t3 where t1.period=t3.period order by t3.period limit 10; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t3 index period period 4 NULL 41810 +1 SIMPLE t3 ALL period NULL NULL NULL 41810 Using filesort 1 SIMPLE t1 ref period period 4 test.t3.period 4181 explain select * from t3 as t1,t3 where t1.period=t3.period order by t1.period limit 10; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index period period 4 NULL 41810 +1 SIMPLE t1 ALL period NULL NULL NULL 41810 Using filesort 1 SIMPLE t3 ref period period 4 test.t1.period 4181 select period from t1; period @@ -1434,7 +1434,7 @@ companynr companynr 41 40 explain select distinct t2.companynr,t4.companynr from t2,t4 where t2.companynr=t4.companynr+1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t4 index NULL PRIMARY 1 NULL 12 Using index; Using temporary +1 SIMPLE t4 index NULL PRIMARY 1 NULL 12 Using index; Using temporary; Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where select t2.fld1,t2.companynr,fld3,period from t3,t2 where t2.fld1 = 38208 and t2.fld1=t3.t2nr and period = 1008 or t2.fld1 = 38008 and t2.fld1 =t3.t2nr and period = 1008; fld1 companynr fld3 period --- 1.2/mysql-test/r/func_group_innodb.result 2006-09-18 17:30:07 +03:00 +++ 1.3/mysql-test/r/func_group_innodb.result 2007-04-30 17:52:59 +03:00 @@ -78,7 +78,7 @@ min(7) 7 explain select min(7) from t2i join t1i; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2i ALL NULL NULL NULL NULL 1 +1 SIMPLE t2i ALL NULL NULL NULL NULL 1 Using join cache 1 SIMPLE t1i ALL NULL NULL NULL NULL 1 select min(7) from t2i join t1i; min(7) @@ -94,7 +94,7 @@ max(7) 7 explain select max(7) from t2i join t1i; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2i ALL NULL NULL NULL NULL 1 +1 SIMPLE t2i ALL NULL NULL NULL NULL 1 Using join cache 1 SIMPLE t1i ALL NULL NULL NULL NULL 1 select max(7) from t2i join t1i; max(7) --- 1.7/mysql-test/r/ssl.result 2006-07-30 17:25:48 +03:00 +++ 1.8/mysql-test/r/ssl.result 2007-04-30 17:52:59 +03:00 @@ -608,11 +608,11 @@ id select_type table type possible_keys 1 SIMPLE t3 ref period period 4 test.t1.period 4181 explain select * from t3 as t1,t3 where t1.period=t3.period order by t3.period limit 10; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t3 index period period 4 NULL 41810 +1 SIMPLE t3 ALL period NULL NULL NULL 41810 Using filesort 1 SIMPLE t1 ref period period 4 test.t3.period 4181 explain select * from t3 as t1,t3 where t1.period=t3.period order by t1.period limit 10; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index period period 4 NULL 41810 +1 SIMPLE t1 ALL period NULL NULL NULL 41810 Using filesort 1 SIMPLE t3 ref period period 4 test.t1.period 4181 select period from t1; period @@ -1431,7 +1431,7 @@ companynr companynr 41 40 explain select distinct t2.companynr,t4.companynr from t2,t4 where t2.companynr=t4.companynr+1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t4 index NULL PRIMARY 1 NULL 12 Using index; Using temporary +1 SIMPLE t4 index NULL PRIMARY 1 NULL 12 Using index; Using temporary; Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where select t2.fld1,t2.companynr,fld3,period from t3,t2 where t2.fld1 = 38208 and t2.fld1=t3.t2nr and period = 1008 or t2.fld1 = 38008 and t2.fld1 =t3.t2nr and period = 1008; fld1 companynr fld3 period --- 1.7/mysql-test/r/ssl_compress.result 2006-07-30 17:25:48 +03:00 +++ 1.8/mysql-test/r/ssl_compress.result 2007-04-30 17:52:59 +03:00 @@ -611,11 +611,11 @@ id select_type table type possible_keys 1 SIMPLE t3 ref period period 4 test.t1.period 4181 explain select * from t3 as t1,t3 where t1.period=t3.period order by t3.period limit 10; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t3 index period period 4 NULL 41810 +1 SIMPLE t3 ALL period NULL NULL NULL 41810 Using filesort 1 SIMPLE t1 ref period period 4 test.t3.period 4181 explain select * from t3 as t1,t3 where t1.period=t3.period order by t1.period limit 10; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index period period 4 NULL 41810 +1 SIMPLE t1 ALL period NULL NULL NULL 41810 Using filesort 1 SIMPLE t3 ref period period 4 test.t1.period 4181 select period from t1; period @@ -1434,7 +1434,7 @@ companynr companynr 41 40 explain select distinct t2.companynr,t4.companynr from t2,t4 where t2.companynr=t4.companynr+1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t4 index NULL PRIMARY 1 NULL 12 Using index; Using temporary +1 SIMPLE t4 index NULL PRIMARY 1 NULL 12 Using index; Using temporary; Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where select t2.fld1,t2.companynr,fld3,period from t3,t2 where t2.fld1 = 38208 and t2.fld1=t3.t2nr and period = 1008 or t2.fld1 = 38008 and t2.fld1 =t3.t2nr and period = 1008; fld1 companynr fld3 period --- 1.47/mysql-test/r/gis.result 2007-04-10 13:15:43 +03:00 +++ 1.48/mysql-test/r/gis.result 2007-04-30 17:52:59 +03:00 @@ -394,7 +394,7 @@ Equals(g1.g, g2.g) as e, Disjoint(g1.g, Intersects(g1.g, g2.g) as i, Crosses(g1.g, g2.g) as r FROM gis_geometrycollection g1, gis_geometrycollection g2 ORDER BY first, second; id select_type table type possible_keys key key_len ref rows filtered Extra -1 SIMPLE g1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort +1 SIMPLE g1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort; Using join cache 1 SIMPLE g2 ALL NULL NULL NULL NULL 2 100.00 Warnings: Note 1003 select `test`.`g1`.`fid` AS `first`,`test`.`g2`.`fid` AS `second`,within(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `w`,contains(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `c`,overlaps(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `o`,equals(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `e`,disjoint(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `d`,touches(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `t`,intersects(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `i`,crosses(`test`.`g1`.`g`,`test`.`g2`.`g`) AS `r` from `test`.`gis_geometrycollection` `g1` join `test`.`gis_geometrycollection` `g2` order by `test`.`g1`.`fid`,`test`.`g2`.`fid` --- 1.12/mysql-test/r/subselect3.result 2007-04-24 16:03:02 +03:00 +++ 1.13/mysql-test/r/subselect3.result 2007-04-30 17:52:59 +03:00 @@ -254,7 +254,7 @@ select a,b, oref, from t2; id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 -2 DEPENDENT SUBQUERY t1 ref_or_null a a 5 func 2 100.00 Using where; Full scan on NULL key +2 DEPENDENT SUBQUERY t1 ref_or_null a a 5 func 2 100.00 Using where; Full scan on NULL key; Using join cache 2 DEPENDENT SUBQUERY t4 ALL NULL NULL NULL NULL 100 100.00 Using where Warnings: Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 --- 1.9/mysql-test/r/greedy_optimizer.result 2006-09-29 19:42:33 +03:00 +++ 1.10/mysql-test/r/greedy_optimizer.result 2007-04-30 17:52:59 +03:00 @@ -120,11 +120,11 @@ select @@optimizer_search_depth; 63 explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 +1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index show status like 'Last_query_cost'; @@ -132,11 +132,11 @@ Variable_name Value Last_query_cost 821.837037 explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 +1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index show status like 'Last_query_cost'; @@ -144,11 +144,11 @@ Variable_name Value Last_query_cost 821.837037 explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 +1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index; Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index show status like 'Last_query_cost'; @@ -156,11 +156,11 @@ Variable_name Value Last_query_cost 794.837037 explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 +1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index; Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index show status like 'Last_query_cost'; @@ -168,11 +168,11 @@ Variable_name Value Last_query_cost 794.837037 explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 +1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where; Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where show status like 'Last_query_cost'; @@ -180,11 +180,11 @@ Variable_name Value Last_query_cost 794.837037 explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 +1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where; Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where show status like 'Last_query_cost'; @@ -200,11 +200,11 @@ select @@optimizer_search_depth; 0 explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 +1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index show status like 'Last_query_cost'; @@ -212,11 +212,11 @@ Variable_name Value Last_query_cost 821.837037 explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 +1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index show status like 'Last_query_cost'; @@ -224,11 +224,11 @@ Variable_name Value Last_query_cost 821.837037 explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL NULL NULL NULL NULL 6 +1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.c21 1 Using where 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index show status like 'Last_query_cost'; @@ -236,11 +236,11 @@ Variable_name Value Last_query_cost 289.418727 explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL NULL NULL NULL NULL 6 +1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.c21 1 Using where 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index show status like 'Last_query_cost'; @@ -248,11 +248,11 @@ Variable_name Value Last_query_cost 289.418727 explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL NULL NULL NULL NULL 6 +1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where 1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.c21 1 Using where 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where show status like 'Last_query_cost'; @@ -260,11 +260,11 @@ Variable_name Value Last_query_cost 289.418727 explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL NULL NULL NULL NULL 6 +1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where 1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.c21 1 Using where 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where show status like 'Last_query_cost'; @@ -276,11 +276,11 @@ select @@optimizer_search_depth; 1 explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 +1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index show status like 'Last_query_cost'; @@ -288,11 +288,11 @@ Variable_name Value Last_query_cost 821.837037 explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 +1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index show status like 'Last_query_cost'; @@ -303,9 +303,9 @@ id select_type table type possible_keys 1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index 1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index -1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index -1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where +1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index; Using join cache +1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join cache +1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where show status like 'Last_query_cost'; Variable_name Value @@ -315,9 +315,9 @@ id select_type table type possible_keys 1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index 1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index -1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index -1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where +1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index; Using join cache +1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join cache +1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where show status like 'Last_query_cost'; Variable_name Value @@ -327,9 +327,9 @@ id select_type table type possible_keys 1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where -1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where -1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where +1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where; Using join cache +1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join cache +1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where show status like 'Last_query_cost'; Variable_name Value @@ -339,9 +339,9 @@ id select_type table type possible_keys 1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where -1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where -1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where +1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where; Using join cache +1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join cache +1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where show status like 'Last_query_cost'; Variable_name Value @@ -352,11 +352,11 @@ select @@optimizer_search_depth; 62 explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 +1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index show status like 'Last_query_cost'; @@ -364,11 +364,11 @@ Variable_name Value Last_query_cost 821.837037 explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 +1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index show status like 'Last_query_cost'; @@ -376,11 +376,11 @@ Variable_name Value Last_query_cost 821.837037 explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL NULL NULL NULL NULL 6 +1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.c21 1 Using where 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index show status like 'Last_query_cost'; @@ -388,11 +388,11 @@ Variable_name Value Last_query_cost 289.418727 explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL NULL NULL NULL NULL 6 +1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.c21 1 Using where 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index show status like 'Last_query_cost'; @@ -400,11 +400,11 @@ Variable_name Value Last_query_cost 289.418727 explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL NULL NULL NULL NULL 6 +1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where 1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.c21 1 Using where 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where show status like 'Last_query_cost'; @@ -412,11 +412,11 @@ Variable_name Value Last_query_cost 289.418727 explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL NULL NULL NULL NULL 6 +1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where 1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.c21 1 Using where 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where show status like 'Last_query_cost'; @@ -432,11 +432,11 @@ select @@optimizer_search_depth; 0 explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 +1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index show status like 'Last_query_cost'; @@ -444,11 +444,11 @@ Variable_name Value Last_query_cost 821.837037 explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 +1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index show status like 'Last_query_cost'; @@ -456,11 +456,11 @@ Variable_name Value Last_query_cost 821.837037 explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 +1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index; Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index show status like 'Last_query_cost'; @@ -468,11 +468,11 @@ Variable_name Value Last_query_cost 794.837037 explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 +1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index; Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index show status like 'Last_query_cost'; @@ -480,11 +480,11 @@ Variable_name Value Last_query_cost 794.837037 explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 +1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where; Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where show status like 'Last_query_cost'; @@ -492,11 +492,11 @@ Variable_name Value Last_query_cost 794.837037 explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 +1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where; Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where show status like 'Last_query_cost'; @@ -508,11 +508,11 @@ select @@optimizer_search_depth; 1 explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 +1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index show status like 'Last_query_cost'; @@ -520,11 +520,11 @@ Variable_name Value Last_query_cost 821.837037 explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 +1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index show status like 'Last_query_cost'; @@ -535,9 +535,9 @@ id select_type table type possible_keys 1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index 1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index -1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index -1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where +1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index; Using join cache +1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join cache +1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where show status like 'Last_query_cost'; Variable_name Value @@ -547,9 +547,9 @@ id select_type table type possible_keys 1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index 1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index -1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index -1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where +1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index; Using join cache +1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join cache +1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where show status like 'Last_query_cost'; Variable_name Value @@ -559,9 +559,9 @@ id select_type table type possible_keys 1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where -1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where -1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where +1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where; Using join cache +1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join cache +1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where show status like 'Last_query_cost'; Variable_name Value @@ -571,9 +571,9 @@ id select_type table type possible_keys 1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where -1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where -1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where +1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where; Using join cache +1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join cache +1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where show status like 'Last_query_cost'; Variable_name Value @@ -584,11 +584,11 @@ select @@optimizer_search_depth; 62 explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 +1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index show status like 'Last_query_cost'; @@ -596,11 +596,11 @@ Variable_name Value Last_query_cost 821.837037 explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 3 +1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index show status like 'Last_query_cost'; @@ -608,11 +608,11 @@ Variable_name Value Last_query_cost 821.837037 explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 +1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index; Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index show status like 'Last_query_cost'; @@ -620,11 +620,11 @@ Variable_name Value Last_query_cost 794.837037 explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 +1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index; Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index show status like 'Last_query_cost'; @@ -632,11 +632,11 @@ Variable_name Value Last_query_cost 794.837037 explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 +1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where; Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where show status like 'Last_query_cost'; @@ -644,11 +644,11 @@ Variable_name Value Last_query_cost 794.837037 explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 +1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3 Using join cache 1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where -1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where +1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where; Using join cache 1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where -1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where +1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where; Using join cache 1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where 1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where show status like 'Last_query_cost'; --- 1.30/mysql-test/r/group_min_max.result 2006-11-29 15:50:59 +02:00 +++ 1.31/mysql-test/r/group_min_max.result 2007-04-30 17:52:59 +03:00 @@ -2266,7 +2266,7 @@ EXPLAIN SELECT 1 FROM t1 AS t1_outer1 JO ON t1_outer1.a = (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2) AND t1_outer1.b = t1_outer2.b; id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY t1_outer1 ref a a 5 const 1 Using where; Using index +1 PRIMARY t1_outer1 ref a a 5 const 1 Using where; Using index; Using join cache 1 PRIMARY t1_outer2 index NULL a 10 NULL 15 Using where; Using index 2 SUBQUERY t1 range NULL a 5 NULL 8 Using index for group-by EXPLAIN SELECT (SELECT (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2) x
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| • bk commit into 5.1 tree (gkodinov:1.2508) BUG#27531 | kgeorge | 30 Apr |
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