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opt_sum.cc:

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A fix for a bug #3189, pertaining to crashing MySQL server when a query with MIN / MAX on the BLOB column is to be optimised


sql/opt_sum.cc:
  A fix for a bug #3189, pertaining to crashing MySQL server when a query with MIN / MAX on the BLOB column is to be optimised
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unknown
2004-01-12 16:25:13 +02:00
parent 7622c393a9
commit e2ab8558e8
3 changed files with 15 additions and 1 deletions
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6
mysql-test/r/type_blob.result
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@ -601,3 +601,9 @@ id txt
2 Chevy
4 Ford
drop table t1;
CREATE TABLE t1 ( i int(11) NOT NULL default '0', c text NOT NULL, PRIMARY KEY (i), KEY (c(1),c(1)));
INSERT t1 VALUES (1,''),(2,''),(3,'asdfh'),(4,'');
select max(i) from t1 where c = '';
max(i)
4
drop table t1;

6
mysql-test/t/type_blob.test
View File

@ -312,3 +312,9 @@ select * from t1 where txt <= 'Chevy';
select * from t1 where txt > 'Chevy';
select * from t1 where txt >= 'Chevy';
drop table t1;
CREATE TABLE t1 ( i int(11) NOT NULL default '0', c text NOT NULL, PRIMARY KEY (i), KEY (c(1),c(1)));
INSERT t1 VALUES (1,''),(2,''),(3,'asdfh'),(4,'');
select max(i) from t1 where c = '';
drop table t1;