--source include/have_innodb.inc

SET  optimizer_switch='index_merge=on,index_merge_intersection=on';

CREATE TABLE t1 (

 a INT PRIMARY KEY,

 b INT,

 c VARCHAR(1024) CHARACTER SET utf8,

 d INT,

 KEY (b)

) ENGINE=InnoDB;

INSERT INTO t1 VALUES 

(1, 9, 'one', 11), (2, 6, 'two', 12), (3, 2, 'three', 13), (4, 5, 'four', 14);

CREATE TABLE t2 (e INT, g INT) ENGINE=InnoDB;

INSERT INTO t2 VALUES (1,9), (2,6) ;

SELECT * FROM t1, t2 WHERE g = b AND ( a < 7 OR a > e );

DROP TABLE t1, t2;

a       b       c       d       e       g

1       9       one     11      1       9

2       6               0       2       6

revision-id: timour@askmonty.org-20121022095529-87ykx0dubnj62c9y

date: 2012-10-22 12:55:29 +0300

revno: 3452

branch: ~maria-captains/maria/10.0-serg

index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=off

id      select_type     table   type    possible_keys   key     key_len ref     rows    filtered   Extra

1       SIMPLE  t2      ALL     NULL    NULL    NULL    NULL    2       100.00

1       SIMPLE  t1      ALL     PRIMARY,b       NULL    NULL    NULL    4       75.00   Range checked for each record (index map: 0x3)

Warnings:

Note    1003    select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c`,`test`.`t1`.`d` AS `d`,`test`.`t2`.`e` AS `e`,`test`.`t2`.`g` AS `g` from `test`.`t1` join `test`.`t2` where ((`test`.`t1`.`b` = `test`.`t2`.`g`) and ((`test`.`t1`.`a` < 7) or (`test`.`t1`.`a` > `test`.`t2`.`e`)))