[birt-dev] CheckIN:Fix bugzilla bug 164788[Regression] Exception of Prev

["Mingxia Wu" <mwu@xxxxxxxxxxx>]

Title: CheckIN:Fix bugzilla bug 164788[Regression] Exception of Preview dataset result [07]

- Summary:
Fix bugzilla bug 164788 [Regression] Exception of Preview dataset result [07]

- Bugzilla Bug (s) Resolved:
Bug 164788

- Description:
When the datasetParemter linked to reportParameter, we will set a supposed default value for this report parameter if its default value has not been set. For Integer type, we assume its default value is 0 if it has no default value. Fix it now!

- Tests Description:
Manual test

- Notes to Build Team:

- Notes to Developers:

- Notes to QA:  

- Notes to Documentation:  

- Files Edited:
"/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/internal/script/DataAdapterTopLevelScope.java"

- Files Added:

- Files Deleted