Bug 207561 [Regression] Conversion errror when preview the attached report design
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/editors/SQLUtility.java
? "" : dataSourceDesign.getPublicProperties( )
										.getProperty( Constants.ODADriverClass ) );
				prop.put( Constants.ODAURL,
						dataSourceDesign.getPublicProperties( )
								.getProperty( Constants.ODAURL ) == null ? ""
								: dataSourceDesign.getPublicProperties( )
										.getProperty( Constants.ODAURL ) );
				prop.put( Constants.ODAUser,
						dataSourceDesign.getPublicProperties( )
								.getProperty( Constants.ODAUser ) == null ? ""
								: dataSourceDesign.getPublicProperties( )
										.getProperty( Constants.ODAUser ) );
				prop.put( Constants.ODAPassword,
						dataSourceDesign.getPublicProperties( )
								.getProperty( Constants.ODAPassword ) == null
								? "" : dataSourceDesign.getPublicProperties( )
										.getProperty( Constants.ODAPassword ) );
			}
			conn.open( prop );
			query = conn.newQuery( design.getOdaExtensionDataSetId( ) );
			query.prepare( design.getQueryText( ) );
			setParameterMetaData( design, query );
			
			IResultSetMetaData metadata = query.getMetaData( );
			setResultSetMetaData( design, metadata );
		}
		catch ( OdaException e )
		{
			
			design.setResultSets( null );