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Fix values printed by mysqldump for empty blob fields when

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--hex-blob is used. (Bug #13318)


client/mysqldump.c:
  Don't use 0x... syntax for empty fields.
mysql-test/r/mysqldump.result:
  Add new results
mysql-test/t/mysqldump.test:
  Add new regression test
This commit is contained in:
unknown
2005-11-23 17:31:44 -08:00
parent c8067ec848
commit eb92d6a1e3
3 changed files with 79 additions and 6 deletions
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63
mysql-test/r/mysqldump.result
View File

@ -1493,3 +1493,66 @@ insert into t2 (a, b) values (NULL, NULL),(10, NULL),(NULL, "twenty"),(30, "thir
</database>
</mysqldump>
drop table t1, t2;
create table t1 (a binary(1), b blob);
insert into t1 values ('','');
/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8 */;
/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
DROP TABLE IF EXISTS `t1`;
CREATE TABLE `t1` (
`a` binary(1) default NULL,
`b` blob
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
LOCK TABLES `t1` WRITE;
INSERT INTO `t1` VALUES ('','');
UNLOCK TABLES;
/*!40000 ALTER TABLE `t1` ENABLE KEYS */;
/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8 */;
/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
DROP TABLE IF EXISTS `t1`;
CREATE TABLE `t1` (
`a` binary(1) default NULL,
`b` blob
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
LOCK TABLES `t1` WRITE;
INSERT INTO `t1` VALUES ('','');
UNLOCK TABLES;
/*!40000 ALTER TABLE `t1` ENABLE KEYS */;
/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
drop table t1;

9
mysql-test/t/mysqldump.test
View File

@ -635,4 +635,13 @@ insert into t2 (a, b) values (NULL, NULL),(10, NULL),(NULL, "twenty"),(30, "thir
--exec $MYSQL_DUMP --skip-comments --xml --no-create-info test
drop table t1, t2;
#
# Bug #13318: Bad result with empty field and --hex-blob
#
create table t1 (a binary(1), b blob);
insert into t1 values ('','');
--exec $MYSQL_DUMP --skip-comments --skip-extended-insert --hex-blob test t1
--exec $MYSQL_DUMP --skip-comments --hex-blob test t1
drop table t1;
# End of 4.1 tests