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Bug#53334 Incorrect result for InnoDB in LEFT JOIN with impossible condition

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The fix actually reverts the change introduced
by the patch for bug 51494.
The fact is that patches for bugs 52177&48419
fix bugs 51194&50575 as well.



mysql-test/r/innodb_mysql.result:
  test case
mysql-test/t/innodb_mysql.test:
  test case
sql/sql_select.cc:
  reverted wrong fix for bug 51494
This commit is contained in:
Sergey Glukhov
2010-05-07 10:38:42 +05:00
parent bd2a517b23
commit 278ae9a8d5
3 changed files with 61 additions and 2 deletions
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30
mysql-test/t/innodb_mysql.test
View File

@ -618,5 +618,35 @@ SELECT SECOND(c)-@bug47453 FROM t1 JOIN t2 ON d=a;
DROP TABLE t1, t2;
--echo #
--echo # Bug #53334: wrong result for outer join with impossible ON condition
--echo # (see the same test case for MyISAM in join.test)
--echo #
CREATE TABLE t1 (id INT PRIMARY KEY);
CREATE TABLE t2 (id INT);
INSERT INTO t1 VALUES (75);
INSERT INTO t1 VALUES (79);
INSERT INTO t1 VALUES (78);
INSERT INTO t1 VALUES (77);
REPLACE INTO t1 VALUES (76);
REPLACE INTO t1 VALUES (76);
INSERT INTO t1 VALUES (104);
INSERT INTO t1 VALUES (103);
INSERT INTO t1 VALUES (102);
INSERT INTO t1 VALUES (101);
INSERT INTO t1 VALUES (105);
INSERT INTO t1 VALUES (106);
INSERT INTO t1 VALUES (107);
INSERT INTO t2 VALUES (107),(75),(1000);
SELECT t1.id,t2.id FROM t2 LEFT JOIN t1 ON t1.id>=74 AND t1.id<=0
WHERE t2.id=75 AND t1.id IS NULL;
EXPLAIN SELECT t1.id,t2.id FROM t2 LEFT JOIN t1 ON t1.id>=74 AND t1.id<=0
WHERE t2.id=75 AND t1.id IS NULL;
DROP TABLE t1,t2;
--echo End of 5.1 tests