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Fixed bug #27362: crash at evaluation of IN predicate when one

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of its argument happened to be a decimal expression returning
the NULL value.
The crash was due to the fact the function in_decimal::set did
not take into account that val_decimal() could return 0 if 
the decimal expression had been evaluated to NULL.  


mysql-test/r/func_in.result:
  Added a test case for bug #27362.
mysql-test/t/func_in.test:
  Added a test case for bug #27362.
This commit is contained in:
unknown
2007-03-22 00:05:36 -07:00
parent b70693f582
commit a4a23fb907
3 changed files with 18 additions and 1 deletions
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5
mysql-test/r/func_in.result
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@ -470,4 +470,9 @@ a
Warnings:
Warning 1292 Incorrect date value: '19772-07-29' for column 'a' at row 1
DROP TABLE t1,t2,t3,t4;
CREATE TABLE t1 (id int not null);
INSERT INTO t1 VALUES (1),(2);
SELECT id FROM t1 WHERE id IN(4564, (SELECT IF(1=0,1,1/0)) );
id
DROP TABLE t1;
End of 5.0 tests

11
mysql-test/t/func_in.test
View File

@ -360,4 +360,15 @@ SELECT * FROM t4 WHERE a IN ('1972-02-06','19772-07-29');
DROP TABLE t1,t2,t3,t4;
#
# BUG#27362: IN with a decimal expression that may return NULL
#
CREATE TABLE t1 (id int not null);
INSERT INTO t1 VALUES (1),(2);
SELECT id FROM t1 WHERE id IN(4564, (SELECT IF(1=0,1,1/0)) );
DROP TABLE t1;
--echo End of 5.0 tests