[birt-dev] Checkin: fix small bugs

["Jianqiang Luo" <jluo@xxxxxxxxxxx>]

- Summary:
Fix small bugs

 

- Bugzilla Bug (s) Resolved: N/A

- Description:
1: In data set preview page, the data of Blob will be extracted a small fragment which will be displayed as String.

2: Enhance the judgment of Blob type and Clob type. Now using the class to know whether its type rather than from its native type name.

3: Update LargeObjectTest due to the conversion from Blob to byte[] and Clob to String.

- Tests Description:
YES

- Files Edited:
/org.eclipse.birt.core/src/orgorg.eclipse.birt.core.data/DataTypeUtil.java

/org.eclipse.birt.data/src/org.eclipse.birt.data.engine.executor/ResultObject.java

/org.eclipse.birt.data/test/org.eclipse.birt.data.engine.odaconsumer/LargeObjectTest.java

 

- Notes to Build Team:
N/A

- Notes to Developers:
N/A

- Notes to QA:  

N/A

 

- Notes to Documentation:  
N/A