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Posted to derby-dev@db.apache.org by "Saurabh Vyas (JIRA)" <ji...@apache.org> on 2007/03/14 12:54:09 UTC
[jira] Commented: (DERBY-2280) DatabaseMetaData.getTypeInfo()
UNSIGNED_ATTRIBUTE and AUTO_INCREMENT column returns incorrect information
for BLOB & CLOB data type
[ https://issues.apache.org/jira/browse/DERBY-2280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12480732 ]
Saurabh Vyas commented on DERBY-2280:
-------------------------------------
When I ran tests on this the jdbcsuite runs fine (JUnit), but a quick observation about UNSIGNED_ATTRIBUTE in DatabaseMataDataTest.java shows that the code is commented currently.
--------------<code snip>--------
// UNSIGNED_ATTRIBUTE (column 10)
//assertFalse("UNSIGNED_ATTRIBUTE " + typeName,
// rs.getBoolean("UNSIGNED_ATTRIBUTE"));
------------------------------------
I uncommented that I ran the DatabaseMataDataTest.java again but it fails for char data types
[Working in NewTests] java junit.textui.TestRunner org.apache.derbyTesting.functionTests.tests.jdbcapi.DatabaseMetaDataTest
---------------<snip>---------------
...................F......................
.F....
Time: 73.036
There were 2 failures:
1) testGetTypeInfo(org.apache.derbyTesting.functionTests.tests.jdbcapi.DatabaseMetaDataTest)junit.framework.AssertionFailedError: UNSIGNED_ATTRIBUTE LONG VARCHAR FOR BIT DATA
at org.apache.derbyTesting.functionTests.tests.jdbcapi.DatabaseMetaDataTest.testGetTypeInfo(DatabaseMetaDataTest.java:1631)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:80)
at junit.extensions.TestDecorator.basicRun(TestDecorator.java:22)
at junit.extensions.TestSetup$1.protect(TestSetup.java:19)
at junit.extensions.TestSetup.run(TestSetup.java:23)
------------------------------
Similar failures are observed for Date data type too. Now I am not sure that will these data types be SIGNED ?? (i.e. UNSIGNED_ATTRIBUTE=FALSE) . If so do we need to raise separate JIRA ?
Comments / Suggestions !!!
> DatabaseMetaData.getTypeInfo() UNSIGNED_ATTRIBUTE and AUTO_INCREMENT column returns incorrect information for BLOB & CLOB data type
> -----------------------------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-2280
> URL: https://issues.apache.org/jira/browse/DERBY-2280
> Project: Derby
> Issue Type: Bug
> Components: JDBC
> Affects Versions: 10.0.2.1, 10.1.1.0, 10.1.2.1, 10.1.3.1, 10.2.1.6, 10.2.2.0, 10.3.0.0
> Reporter: Saurabh Vyas
> Assigned To: Saurabh Vyas
> Priority: Minor
> Attachments: Derby-2280.diff, Derby-2280.stat
>
>
> getTypeInfo() method should return FALSE for UNSIGNED_ATTRIBUTE and AUTO_INCREMENT in case of BLOB & CLOB data type.
> Currently it returns NULL value.
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