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Merge olga.mysql.com:/home/igor/mysql-5.0-opt

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into  olga.mysql.com:/home/igor/dev-opt/mysql-5.0-opt-bug24345


sql/sql_select.cc:
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unknown
2007-01-09 00:17:48 -08:00
parent 42e31f7a45 42010cde4a
commit 470ea99c42
3 changed files with 105 additions and 1 deletions
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43
mysql-test/r/join_nested.result
View File

@ -1562,3 +1562,46 @@ id ngroupbynsa
2 1
2 1
DROP TABLE t1,t2,t3,t4,t5;
CREATE TABLE t1 (
id int NOT NULL PRIMARY KEY,
ct int DEFAULT NULL,
pc int DEFAULT NULL,
INDEX idx_ct (ct),
INDEX idx_pc (pc)
);
INSERT INTO t1 VALUES
(1,NULL,NULL),(2,NULL,NULL),(3,NULL,NULL),(4,NULL,NULL),(5,NULL,NULL);
CREATE TABLE t2 (
id int NOT NULL PRIMARY KEY,
sr int NOT NULL,
nm varchar(255) NOT NULL,
INDEX idx_sr (sr)
);
INSERT INTO t2 VALUES
(2441905,4308,'LesAbymes'),(2441906,4308,'Anse-Bertrand');
CREATE TABLE t3 (
id int NOT NULL PRIMARY KEY,
ct int NOT NULL,
ln int NOT NULL,
INDEX idx_ct (ct),
INDEX idx_ln (ln)
);
CREATE TABLE t4 (
id int NOT NULL PRIMARY KEY,
nm varchar(255) NOT NULL
);
INSERT INTO t4 VALUES (4308,'Guadeloupe'),(4309,'Martinique');
SELECT t1.*
FROM t1 LEFT JOIN
(t2 LEFT JOIN t3 ON t3.ct=t2.id AND t3.ln='5') ON t1.ct=t2.id
WHERE t1.id='5';
id ct pc
5 NULL NULL
SELECT t1.*, t4.nm
FROM t1 LEFT JOIN
(t2 LEFT JOIN t3 ON t3.ct=t2.id AND t3.ln='5') ON t1.ct=t2.id
LEFT JOIN t4 ON t2.sr=t4.id
WHERE t1.id='5';
id ct pc nm
5 NULL NULL NULL
DROP TABLE t1,t2,t3,t4;

51
mysql-test/t/join_nested.test
View File

@ -994,3 +994,54 @@ SELECT t1.id1 AS id, t5.id1 AS ngroupbynsa
DROP TABLE t1,t2,t3,t4,t5;
#
# Test for bug #24345: crash with nested left outer join when outer table is substituted
# for a row that happens to have a null value for the join attribute.
#
CREATE TABLE t1 (
id int NOT NULL PRIMARY KEY,
ct int DEFAULT NULL,
pc int DEFAULT NULL,
INDEX idx_ct (ct),
INDEX idx_pc (pc)
);
INSERT INTO t1 VALUES
(1,NULL,NULL),(2,NULL,NULL),(3,NULL,NULL),(4,NULL,NULL),(5,NULL,NULL);
CREATE TABLE t2 (
id int NOT NULL PRIMARY KEY,
sr int NOT NULL,
nm varchar(255) NOT NULL,
INDEX idx_sr (sr)
);
INSERT INTO t2 VALUES
(2441905,4308,'LesAbymes'),(2441906,4308,'Anse-Bertrand');
CREATE TABLE t3 (
id int NOT NULL PRIMARY KEY,
ct int NOT NULL,
ln int NOT NULL,
INDEX idx_ct (ct),
INDEX idx_ln (ln)
);
CREATE TABLE t4 (
id int NOT NULL PRIMARY KEY,
nm varchar(255) NOT NULL
);
INSERT INTO t4 VALUES (4308,'Guadeloupe'),(4309,'Martinique');
SELECT t1.*
FROM t1 LEFT JOIN
(t2 LEFT JOIN t3 ON t3.ct=t2.id AND t3.ln='5') ON t1.ct=t2.id
WHERE t1.id='5';
SELECT t1.*, t4.nm
FROM t1 LEFT JOIN
(t2 LEFT JOIN t3 ON t3.ct=t2.id AND t3.ln='5') ON t1.ct=t2.id
LEFT JOIN t4 ON t2.sr=t4.id
WHERE t1.id='5';
DROP TABLE t1,t2,t3,t4;