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range.result, range.test:

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Added test cases for optimization request #10561.
opt_range.cc, sql_select.cc:
  Fixed bug #10561: an optimization request to allow
  range analysis for NOT IN and NOT BETWEEN.
This commit is contained in:
igor@rurik.mysql.com
2005-05-21 06:11:44 -07:00
parent d0f51ad8d8
commit fdb6c661a3
4 changed files with 235 additions and 32 deletions
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40
mysql-test/t/range.test
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@ -455,3 +455,43 @@ SELECT count(*) FROM t1 WHERE CLIENT='000' AND (ARG1 != ' 1' OR ARG1 != ' 2');
SELECT count(*) FROM t1 WHERE CLIENT='000' AND (ARG1 != ' 2' OR ARG1 != ' 1');
drop table t1;
#
# Test for optimization request #10561: to use keys for
# NOT IN (c1,...,cn) and NOT BETWEEN c1 AND c2
#
CREATE TABLE t1 (
id int(11) NOT NULL auto_increment,
status varchar(20),
PRIMARY KEY (id),
KEY (status)
);
INSERT INTO t1 VALUES
(1,'B'), (2,'B'), (3,'B'), (4,'B'), (5,'B'), (6,'B'),
(7,'B'), (8,'B'), (9,'B'), (10,'B'), (11,'B'), (12,'B'),
(13,'B'), (14,'B'), (15,'B'), (16,'B'), (17,'B'), (18,'B'),
(19,'B'), (20,'B'), (21,'B'), (22,'B'), (23,'B'), (24,'B'),
(25,'A'), (26,'A'), (27,'A'), (28,'A'), (29,'A'), (30,'A'),
(31,'A'), (32,'A'), (33,'A'), (34,'A'), (35,'A'), (36,'A'),
(37,'A'), (38,'A'), (39,'A'), (40,'A'), (41,'A'), (42,'A'),
(43,'A'), (44,'A'), (45,'A'), (46,'A'), (47,'A'), (48,'A'),
(49,'A'), (50,'A'), (51,'A'), (52,'A'), (53,'C'), (54,'C'),
(55,'C'), (56,'C'), (57,'C'), (58,'C'), (59,'C'), (60,'C');
EXPLAIN SELECT * FROM t1 WHERE status <> 'A' AND status <> 'B';
EXPLAIN SELECT * FROM t1 WHERE status NOT IN ('A','B');
SELECT * FROM t1 WHERE status <> 'A' AND status <> 'B';
SELECT * FROM t1 WHERE status NOT IN ('A','B');
EXPLAIN SELECT status FROM t1 WHERE status <> 'A' AND status <> 'B';
EXPLAIN SELECT status FROM t1 WHERE status NOT IN ('A','B');
EXPLAIN SELECT * FROM t1 WHERE status NOT BETWEEN 'A' AND 'B';
EXPLAIN SELECT * FROM t1 WHERE status < 'A' OR status > 'B';
SELECT * FROM t1 WHERE status NOT BETWEEN 'A' AND 'B';
SELECT * FROM t1 WHERE status < 'A' OR status > 'B';
DROP TABLE t1;