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Commit c781673b authored by serg@serg.mylan's avatar serg@serg.mylan
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Merge bk-internal:/home/bk/mysql-4.0/ 

into serg.mylan:/usr/home/serg/Abk/mysql-4.0
parents 8573bdbf 8075aac7
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Showing with 107 additions and 64 deletions
mysql-test/r/range.result
View file @ c781673b
...@@ -5,7 +5,24 @@ type int(11) DEFAULT '0' NOT NULL, ...@@ -5,7 +5,24 @@ type int(11) DEFAULT '0' NOT NULL,
event_id int(11) DEFAULT '0' NOT NULL, event_id int(11) DEFAULT '0' NOT NULL,
PRIMARY KEY (event_date,type,event_id) PRIMARY KEY (event_date,type,event_id)
); );
INSERT INTO t1 VALUES ('1999-07-10',100100,24),('1999-07-11',100100,25),('1999-07-13',100600,0),('1999-07-13',100600,4),('1999-07-13',100600,26),('1999-07-14',100600,10),('1999-07-15',100600,16),('1999-07-15',100800,45),('1999-07-15',101000,47),('1999-07-16',100800,46),('1999-07-20',100600,5),('1999-07-20',100600,27),('1999-07-21',100600,11),('1999-07-22',100600,17),('1999-07-23',100100,39),('1999-07-24',100100,39),('1999-07-24',100500,40),('1999-07-25',100100,39),('1999-07-27',100600,1),('1999-07-27',100600,6),('1999-07-27',100600,28),('1999-07-28',100600,12),('1999-07-29',100500,41),('1999-07-29',100600,18),('1999-07-30',100500,41),('1999-07-31',100500,41),('1999-08-01',100700,34),('1999-08-03',100600,7),('1999-08-03',100600,29),('1999-08-04',100600,13),('1999-08-05',100500,42),('1999-08-05',100600,19),('1999-08-06',100500,42),('1999-08-07',100500,42),('1999-08-08',100500,42),('1999-08-10',100600,2),('1999-08-10',100600,9),('1999-08-10',100600,30),('1999-08-11',100600,14),('1999-08-12',100600,20),('1999-08-17',100500,8),('1999-08-17',100600,31),('1999-08-18',100600,15),('1999-08-19',100600,22),('1999-08-24',100600,3),('1999-08-24',100600,32),('1999-08-27',100500,43),('1999-08-31',100600,33),('1999-09-17',100100,37),('1999-09-18',100100,37),('1999-09-19',100100,37),('2000-12-18',100700,38); INSERT INTO t1 VALUES ('1999-07-10',100100,24), ('1999-07-11',100100,25),
('1999-07-13',100600,0), ('1999-07-13',100600,4), ('1999-07-13',100600,26),
('1999-07-14',100600,10), ('1999-07-15',100600,16), ('1999-07-15',100800,45),
('1999-07-15',101000,47), ('1999-07-16',100800,46), ('1999-07-20',100600,5),
('1999-07-20',100600,27), ('1999-07-21',100600,11), ('1999-07-22',100600,17),
('1999-07-23',100100,39), ('1999-07-24',100100,39), ('1999-07-24',100500,40),
('1999-07-25',100100,39), ('1999-07-27',100600,1), ('1999-07-27',100600,6),
('1999-07-27',100600,28), ('1999-07-28',100600,12), ('1999-07-29',100500,41),
('1999-07-29',100600,18), ('1999-07-30',100500,41), ('1999-07-31',100500,41),
('1999-08-01',100700,34), ('1999-08-03',100600,7), ('1999-08-03',100600,29),
('1999-08-04',100600,13), ('1999-08-05',100500,42), ('1999-08-05',100600,19),
('1999-08-06',100500,42), ('1999-08-07',100500,42), ('1999-08-08',100500,42),
('1999-08-10',100600,2), ('1999-08-10',100600,9), ('1999-08-10',100600,30),
('1999-08-11',100600,14), ('1999-08-12',100600,20), ('1999-08-17',100500,8),
('1999-08-17',100600,31), ('1999-08-18',100600,15), ('1999-08-19',100600,22),
('1999-08-24',100600,3), ('1999-08-24',100600,32), ('1999-08-27',100500,43),
('1999-08-31',100600,33), ('1999-09-17',100100,37), ('1999-09-18',100100,37),
('1999-09-19',100100,37), ('2000-12-18',100700,38);
select event_date,type,event_id from t1 WHERE event_date >= "1999-07-01" AND event_date < "1999-07-15" AND (type=100600 OR type=100100) ORDER BY event_date; select event_date,type,event_id from t1 WHERE event_date >= "1999-07-01" AND event_date < "1999-07-15" AND (type=100600 OR type=100100) ORDER BY event_date;
event_date type event_id event_date type event_id
1999-07-10 100100 24 1999-07-10 100100 24
...@@ -35,35 +52,21 @@ CLOSED tinyint(4) DEFAULT '0' NOT NULL, ...@@ -35,35 +52,21 @@ CLOSED tinyint(4) DEFAULT '0' NOT NULL,
ISS_DATE date DEFAULT '0000-00-00' NOT NULL, ISS_DATE date DEFAULT '0000-00-00' NOT NULL,
PRIMARY KEY (PAPER_ID,YEAR,ISSUE) PRIMARY KEY (PAPER_ID,YEAR,ISSUE)
); );
INSERT INTO t1 VALUES (3,1999,34,0,'1999-07-12'); INSERT INTO t1 VALUES (3,1999,34,0,'1999-07-12'), (1,1999,111,0,'1999-03-23'),
INSERT INTO t1 VALUES (1,1999,111,0,'1999-03-23'); (1,1999,222,0,'1999-03-23'), (3,1999,33,0,'1999-07-12'),
INSERT INTO t1 VALUES (1,1999,222,0,'1999-03-23'); (3,1999,32,0,'1999-07-12'), (3,1999,31,0,'1999-07-12'),
INSERT INTO t1 VALUES (3,1999,33,0,'1999-07-12'); (3,1999,30,0,'1999-07-12'), (3,1999,29,0,'1999-07-12'),
INSERT INTO t1 VALUES (3,1999,32,0,'1999-07-12'); (3,1999,28,0,'1999-07-12'), (1,1999,40,1,'1999-05-01'),
INSERT INTO t1 VALUES (3,1999,31,0,'1999-07-12'); (1,1999,41,1,'1999-05-01'), (1,1999,42,1,'1999-05-01'),
INSERT INTO t1 VALUES (3,1999,30,0,'1999-07-12'); (1,1999,46,1,'1999-05-01'), (1,1999,47,1,'1999-05-01'),
INSERT INTO t1 VALUES (3,1999,29,0,'1999-07-12'); (1,1999,48,1,'1999-05-01'), (1,1999,49,1,'1999-05-01'),
INSERT INTO t1 VALUES (3,1999,28,0,'1999-07-12'); (1,1999,50,0,'1999-05-01'), (1,1999,51,0,'1999-05-01'),
INSERT INTO t1 VALUES (1,1999,40,1,'1999-05-01'); (1,1999,200,0,'1999-06-28'), (1,1999,52,0,'1999-06-28'),
INSERT INTO t1 VALUES (1,1999,41,1,'1999-05-01'); (1,1999,53,0,'1999-06-28'), (1,1999,54,0,'1999-06-28'),
INSERT INTO t1 VALUES (1,1999,42,1,'1999-05-01'); (1,1999,55,0,'1999-06-28'), (1,1999,56,0,'1999-07-01'),
INSERT INTO t1 VALUES (1,1999,46,1,'1999-05-01'); (1,1999,57,0,'1999-07-01'), (1,1999,58,0,'1999-07-01'),
INSERT INTO t1 VALUES (1,1999,47,1,'1999-05-01'); (1,1999,59,0,'1999-07-01'), (1,1999,60,0,'1999-07-01'),
INSERT INTO t1 VALUES (1,1999,48,1,'1999-05-01'); (3,1999,35,0,'1999-07-12');
INSERT INTO t1 VALUES (1,1999,49,1,'1999-05-01');
INSERT INTO t1 VALUES (1,1999,50,0,'1999-05-01');
INSERT INTO t1 VALUES (1,1999,51,0,'1999-05-01');
INSERT INTO t1 VALUES (1,1999,200,0,'1999-06-28');
INSERT INTO t1 VALUES (1,1999,52,0,'1999-06-28');
INSERT INTO t1 VALUES (1,1999,53,0,'1999-06-28');
INSERT INTO t1 VALUES (1,1999,54,0,'1999-06-28');
INSERT INTO t1 VALUES (1,1999,55,0,'1999-06-28');
INSERT INTO t1 VALUES (1,1999,56,0,'1999-07-01');
INSERT INTO t1 VALUES (1,1999,57,0,'1999-07-01');
INSERT INTO t1 VALUES (1,1999,58,0,'1999-07-01');
INSERT INTO t1 VALUES (1,1999,59,0,'1999-07-01');
INSERT INTO t1 VALUES (1,1999,60,0,'1999-07-01');
INSERT INTO t1 VALUES (3,1999,35,0,'1999-07-12');
select YEAR,ISSUE from t1 where PAPER_ID=3 and (YEAR>1999 or (YEAR=1999 and ISSUE>28)) order by YEAR,ISSUE; select YEAR,ISSUE from t1 where PAPER_ID=3 and (YEAR>1999 or (YEAR=1999 and ISSUE>28)) order by YEAR,ISSUE;
YEAR ISSUE YEAR ISSUE
1999 29 1999 29
...@@ -88,7 +91,12 @@ PRIMARY KEY (id), ...@@ -88,7 +91,12 @@ PRIMARY KEY (id),
KEY parent_id (parent_id), KEY parent_id (parent_id),
KEY level (level) KEY level (level)
); );
INSERT INTO t1 VALUES (1,0,0),(3,1,1),(4,1,1),(8,2,2),(9,2,2),(17,3,2),(22,4,2),(24,4,2),(28,5,2),(29,5,2),(30,5,2),(31,6,2),(32,6,2),(33,6,2),(203,7,2),(202,7,2),(20,3,2),(157,0,0),(193,5,2),(40,7,2),(2,1,1),(15,2,2),(6,1,1),(34,6,2),(35,6,2),(16,3,2),(7,1,1),(36,7,2),(18,3,2),(26,5,2),(27,5,2),(183,4,2),(38,7,2),(25,5,2),(37,7,2),(21,4,2),(19,3,2),(5,1,1),(179,5,2); INSERT INTO t1 VALUES (1,0,0), (3,1,1), (4,1,1), (8,2,2), (9,2,2), (17,3,2),
(22,4,2), (24,4,2), (28,5,2), (29,5,2), (30,5,2), (31,6,2), (32,6,2), (33,6,2),
(203,7,2), (202,7,2), (20,3,2), (157,0,0), (193,5,2), (40,7,2), (2,1,1),
(15,2,2), (6,1,1), (34,6,2), (35,6,2), (16,3,2), (7,1,1), (36,7,2), (18,3,2),
(26,5,2), (27,5,2), (183,4,2), (38,7,2), (25,5,2), (37,7,2), (21,4,2),
(19,3,2), (5,1,1), (179,5,2);
SELECT * FROM t1 WHERE level = 1 AND parent_id = 1; SELECT * FROM t1 WHERE level = 1 AND parent_id = 1;
id parent_id level id parent_id level
3 1 1 3 1 1
...@@ -207,3 +215,14 @@ select count(*) from t1 where art = 'J'; ...@@ -207,3 +215,14 @@ select count(*) from t1 where art = 'J';
count(*) count(*)
213 213
drop table t1; drop table t1;
create table t1 ( id1 int not null, id2 int not null, idnull int null, c char(20), primary key (id1,id2));
insert into t1 values (0,1,NULL,"aaa"), (1,1,NULL,"aaa"), (2,1,NULL,"aaa"),
(3,1,NULL,"aaa"), (4,1,NULL,"aaa"), (5,1,NULL,"aaa"),
(6,1,NULL,"aaa"), (7,1,NULL,"aaa"), (8,1,NULL,"aaa"),
(9,1,NULL,"aaa"), (10,1,NULL,"aaa"), (11,1,NULL,"aaa"),
(12,1,NULL,"aaa"), (13,1,NULL,"aaa"), (14,1,NULL,"aaa"),
(15,1,NULL,"aaa"), (16,1,NULL,"aaa"), (17,1,NULL,"aaa"),
(18,1,NULL,"aaa"), (19,1,NULL,"aaa"), (20,1,NULL,"aaa");
select a.id1, b.idnull from t1 as a, t1 as b where a.id2=1 and a.id1=1 and b.id1=a.idnull order by b.id2 desc limit 1;
id1 idnull
drop table t1;
mysql-test/t/range.test
View file @ c781673b
# #
# Problem med range optimizer # Problem with range optimizer
# #
drop table if exists t1; drop table if exists t1;
...@@ -10,7 +10,24 @@ CREATE TABLE t1 ( ...@@ -10,7 +10,24 @@ CREATE TABLE t1 (
PRIMARY KEY (event_date,type,event_id) PRIMARY KEY (event_date,type,event_id)
); );
INSERT INTO t1 VALUES ('1999-07-10',100100,24),('1999-07-11',100100,25),('1999-07-13',100600,0),('1999-07-13',100600,4),('1999-07-13',100600,26),('1999-07-14',100600,10),('1999-07-15',100600,16),('1999-07-15',100800,45),('1999-07-15',101000,47),('1999-07-16',100800,46),('1999-07-20',100600,5),('1999-07-20',100600,27),('1999-07-21',100600,11),('1999-07-22',100600,17),('1999-07-23',100100,39),('1999-07-24',100100,39),('1999-07-24',100500,40),('1999-07-25',100100,39),('1999-07-27',100600,1),('1999-07-27',100600,6),('1999-07-27',100600,28),('1999-07-28',100600,12),('1999-07-29',100500,41),('1999-07-29',100600,18),('1999-07-30',100500,41),('1999-07-31',100500,41),('1999-08-01',100700,34),('1999-08-03',100600,7),('1999-08-03',100600,29),('1999-08-04',100600,13),('1999-08-05',100500,42),('1999-08-05',100600,19),('1999-08-06',100500,42),('1999-08-07',100500,42),('1999-08-08',100500,42),('1999-08-10',100600,2),('1999-08-10',100600,9),('1999-08-10',100600,30),('1999-08-11',100600,14),('1999-08-12',100600,20),('1999-08-17',100500,8),('1999-08-17',100600,31),('1999-08-18',100600,15),('1999-08-19',100600,22),('1999-08-24',100600,3),('1999-08-24',100600,32),('1999-08-27',100500,43),('1999-08-31',100600,33),('1999-09-17',100100,37),('1999-09-18',100100,37),('1999-09-19',100100,37),('2000-12-18',100700,38); INSERT INTO t1 VALUES ('1999-07-10',100100,24), ('1999-07-11',100100,25),
('1999-07-13',100600,0), ('1999-07-13',100600,4), ('1999-07-13',100600,26),
('1999-07-14',100600,10), ('1999-07-15',100600,16), ('1999-07-15',100800,45),
('1999-07-15',101000,47), ('1999-07-16',100800,46), ('1999-07-20',100600,5),
('1999-07-20',100600,27), ('1999-07-21',100600,11), ('1999-07-22',100600,17),
('1999-07-23',100100,39), ('1999-07-24',100100,39), ('1999-07-24',100500,40),
('1999-07-25',100100,39), ('1999-07-27',100600,1), ('1999-07-27',100600,6),
('1999-07-27',100600,28), ('1999-07-28',100600,12), ('1999-07-29',100500,41),
('1999-07-29',100600,18), ('1999-07-30',100500,41), ('1999-07-31',100500,41),
('1999-08-01',100700,34), ('1999-08-03',100600,7), ('1999-08-03',100600,29),
('1999-08-04',100600,13), ('1999-08-05',100500,42), ('1999-08-05',100600,19),
('1999-08-06',100500,42), ('1999-08-07',100500,42), ('1999-08-08',100500,42),
('1999-08-10',100600,2), ('1999-08-10',100600,9), ('1999-08-10',100600,30),
('1999-08-11',100600,14), ('1999-08-12',100600,20), ('1999-08-17',100500,8),
('1999-08-17',100600,31), ('1999-08-18',100600,15), ('1999-08-19',100600,22),
('1999-08-24',100600,3), ('1999-08-24',100600,32), ('1999-08-27',100500,43),
('1999-08-31',100600,33), ('1999-09-17',100100,37), ('1999-09-18',100100,37),
('1999-09-19',100100,37), ('2000-12-18',100700,38);
select event_date,type,event_id from t1 WHERE event_date >= "1999-07-01" AND event_date < "1999-07-15" AND (type=100600 OR type=100100) ORDER BY event_date; select event_date,type,event_id from t1 WHERE event_date >= "1999-07-01" AND event_date < "1999-07-15" AND (type=100600 OR type=100100) ORDER BY event_date;
explain select event_date,type,event_id from t1 WHERE type = 100601 and event_date >= "1999-07-01" AND event_date < "1999-07-15" AND (type=100600 OR type=100100) ORDER BY event_date; explain select event_date,type,event_id from t1 WHERE type = 100601 and event_date >= "1999-07-01" AND event_date < "1999-07-15" AND (type=100600 OR type=100100) ORDER BY event_date;
...@@ -25,35 +42,21 @@ CREATE TABLE t1 ( ...@@ -25,35 +42,21 @@ CREATE TABLE t1 (
ISS_DATE date DEFAULT '0000-00-00' NOT NULL, ISS_DATE date DEFAULT '0000-00-00' NOT NULL,
PRIMARY KEY (PAPER_ID,YEAR,ISSUE) PRIMARY KEY (PAPER_ID,YEAR,ISSUE)
); );
INSERT INTO t1 VALUES (3,1999,34,0,'1999-07-12'); INSERT INTO t1 VALUES (3,1999,34,0,'1999-07-12'), (1,1999,111,0,'1999-03-23'),
INSERT INTO t1 VALUES (1,1999,111,0,'1999-03-23'); (1,1999,222,0,'1999-03-23'), (3,1999,33,0,'1999-07-12'),
INSERT INTO t1 VALUES (1,1999,222,0,'1999-03-23'); (3,1999,32,0,'1999-07-12'), (3,1999,31,0,'1999-07-12'),
INSERT INTO t1 VALUES (3,1999,33,0,'1999-07-12'); (3,1999,30,0,'1999-07-12'), (3,1999,29,0,'1999-07-12'),
INSERT INTO t1 VALUES (3,1999,32,0,'1999-07-12'); (3,1999,28,0,'1999-07-12'), (1,1999,40,1,'1999-05-01'),
INSERT INTO t1 VALUES (3,1999,31,0,'1999-07-12'); (1,1999,41,1,'1999-05-01'), (1,1999,42,1,'1999-05-01'),
INSERT INTO t1 VALUES (3,1999,30,0,'1999-07-12'); (1,1999,46,1,'1999-05-01'), (1,1999,47,1,'1999-05-01'),
INSERT INTO t1 VALUES (3,1999,29,0,'1999-07-12'); (1,1999,48,1,'1999-05-01'), (1,1999,49,1,'1999-05-01'),
INSERT INTO t1 VALUES (3,1999,28,0,'1999-07-12'); (1,1999,50,0,'1999-05-01'), (1,1999,51,0,'1999-05-01'),
INSERT INTO t1 VALUES (1,1999,40,1,'1999-05-01'); (1,1999,200,0,'1999-06-28'), (1,1999,52,0,'1999-06-28'),
INSERT INTO t1 VALUES (1,1999,41,1,'1999-05-01'); (1,1999,53,0,'1999-06-28'), (1,1999,54,0,'1999-06-28'),
INSERT INTO t1 VALUES (1,1999,42,1,'1999-05-01'); (1,1999,55,0,'1999-06-28'), (1,1999,56,0,'1999-07-01'),
INSERT INTO t1 VALUES (1,1999,46,1,'1999-05-01'); (1,1999,57,0,'1999-07-01'), (1,1999,58,0,'1999-07-01'),
INSERT INTO t1 VALUES (1,1999,47,1,'1999-05-01'); (1,1999,59,0,'1999-07-01'), (1,1999,60,0,'1999-07-01'),
INSERT INTO t1 VALUES (1,1999,48,1,'1999-05-01'); (3,1999,35,0,'1999-07-12');
INSERT INTO t1 VALUES (1,1999,49,1,'1999-05-01');
INSERT INTO t1 VALUES (1,1999,50,0,'1999-05-01');
INSERT INTO t1 VALUES (1,1999,51,0,'1999-05-01');
INSERT INTO t1 VALUES (1,1999,200,0,'1999-06-28');
INSERT INTO t1 VALUES (1,1999,52,0,'1999-06-28');
INSERT INTO t1 VALUES (1,1999,53,0,'1999-06-28');
INSERT INTO t1 VALUES (1,1999,54,0,'1999-06-28');
INSERT INTO t1 VALUES (1,1999,55,0,'1999-06-28');
INSERT INTO t1 VALUES (1,1999,56,0,'1999-07-01');
INSERT INTO t1 VALUES (1,1999,57,0,'1999-07-01');
INSERT INTO t1 VALUES (1,1999,58,0,'1999-07-01');
INSERT INTO t1 VALUES (1,1999,59,0,'1999-07-01');
INSERT INTO t1 VALUES (1,1999,60,0,'1999-07-01');
INSERT INTO t1 VALUES (3,1999,35,0,'1999-07-12');
select YEAR,ISSUE from t1 where PAPER_ID=3 and (YEAR>1999 or (YEAR=1999 and ISSUE>28)) order by YEAR,ISSUE; select YEAR,ISSUE from t1 where PAPER_ID=3 and (YEAR>1999 or (YEAR=1999 and ISSUE>28)) order by YEAR,ISSUE;
check table t1; check table t1;
repair table t1; repair table t1;
...@@ -67,7 +70,12 @@ CREATE TABLE t1 ( ...@@ -67,7 +70,12 @@ CREATE TABLE t1 (
KEY parent_id (parent_id), KEY parent_id (parent_id),
KEY level (level) KEY level (level)
); );
INSERT INTO t1 VALUES (1,0,0),(3,1,1),(4,1,1),(8,2,2),(9,2,2),(17,3,2),(22,4,2),(24,4,2),(28,5,2),(29,5,2),(30,5,2),(31,6,2),(32,6,2),(33,6,2),(203,7,2),(202,7,2),(20,3,2),(157,0,0),(193,5,2),(40,7,2),(2,1,1),(15,2,2),(6,1,1),(34,6,2),(35,6,2),(16,3,2),(7,1,1),(36,7,2),(18,3,2),(26,5,2),(27,5,2),(183,4,2),(38,7,2),(25,5,2),(37,7,2),(21,4,2),(19,3,2),(5,1,1),(179,5,2); INSERT INTO t1 VALUES (1,0,0), (3,1,1), (4,1,1), (8,2,2), (9,2,2), (17,3,2),
(22,4,2), (24,4,2), (28,5,2), (29,5,2), (30,5,2), (31,6,2), (32,6,2), (33,6,2),
(203,7,2), (202,7,2), (20,3,2), (157,0,0), (193,5,2), (40,7,2), (2,1,1),
(15,2,2), (6,1,1), (34,6,2), (35,6,2), (16,3,2), (7,1,1), (36,7,2), (18,3,2),
(26,5,2), (27,5,2), (183,4,2), (38,7,2), (25,5,2), (37,7,2), (21,4,2),
(19,3,2), (5,1,1), (179,5,2);
SELECT * FROM t1 WHERE level = 1 AND parent_id = 1; SELECT * FROM t1 WHERE level = 1 AND parent_id = 1;
# The following select returned 0 rows in 3.23.8 # The following select returned 0 rows in 3.23.8
SELECT * FROM t1 WHERE level = 1 AND parent_id = 1 order by id; SELECT * FROM t1 WHERE level = 1 AND parent_id = 1 order by id;
...@@ -163,3 +171,15 @@ select count(*) from t1 where art = 'j' or art = 'J'; ...@@ -163,3 +171,15 @@ select count(*) from t1 where art = 'j' or art = 'J';
select count(*) from t1 where art = 'j'; select count(*) from t1 where art = 'j';
select count(*) from t1 where art = 'J'; select count(*) from t1 where art = 'J';
drop table t1; drop table t1;
create table t1 ( id1 int not null, id2 int not null, idnull int null, c char(20), primary key (id1,id2));
insert into t1 values (0,1,NULL,"aaa"), (1,1,NULL,"aaa"), (2,1,NULL,"aaa"),
(3,1,NULL,"aaa"), (4,1,NULL,"aaa"), (5,1,NULL,"aaa"),
(6,1,NULL,"aaa"), (7,1,NULL,"aaa"), (8,1,NULL,"aaa"),
(9,1,NULL,"aaa"), (10,1,NULL,"aaa"), (11,1,NULL,"aaa"),
(12,1,NULL,"aaa"), (13,1,NULL,"aaa"), (14,1,NULL,"aaa"),
(15,1,NULL,"aaa"), (16,1,NULL,"aaa"), (17,1,NULL,"aaa"),
(18,1,NULL,"aaa"), (19,1,NULL,"aaa"), (20,1,NULL,"aaa");
select a.id1, b.idnull from t1 as a, t1 as b where a.id2=1 and a.id1=1 and b.id1=a.idnull order by b.id2 desc limit 1;
drop table t1;
sql/opt_range.cc
View file @ c781673b
...@@ -2408,9 +2408,13 @@ QUICK_SELECT *get_quick_select_for_ref(TABLE *table, TABLE_REF *ref) ...@@ -2408,9 +2408,13 @@ QUICK_SELECT *get_quick_select_for_ref(TABLE *table, TABLE_REF *ref)
if (!quick) if (!quick)
return 0; return 0;
if (cp_buffer_from_ref(ref))
return quick; /* empty range */
QUICK_RANGE *range= new QUICK_RANGE(); QUICK_RANGE *range= new QUICK_RANGE();
if (!range || cp_buffer_from_ref(ref)) if (!range)
goto err; goto err;
range->min_key=range->max_key=(char*) ref->key_buff; range->min_key=range->max_key=(char*) ref->key_buff;
range->min_length=range->max_length=ref->key_length; range->min_length=range->max_length=ref->key_length;
range->flag= ((ref->key_length == key_info->key_length && range->flag= ((ref->key_length == key_info->key_length &&
......
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