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/SQLDataSetEditorPage.java
* ( such as the Jdbc Connection , Catalog Name etc )
	 * @param curDataSourceHandle
	 *
	 */
	protected void resetJdbcInfo( DataSourceDesign curDataSourceDesign )
	{
		try
		{
			if ( metaDataProvider != null )
			{
				metaDataProvider.closeConnection( );
				metaDataProvider = null;
				createMetaDataProvider( );
				if ( jdbcConnection != null )
				{
					jdbcConnection.close( );
					jdbcConnection = null;
				}
				jdbcConnection = connectMetadataProvider( metaDataProvider,
						curDataSourceDesign );
				
				tableList = null;
				schemaList = null;
				schemaCombo.removeAll( );
			}
			if ( jdbcConnection != null )
			{
				isSchemaSupported = metaDataProvider.isSchemaSupported( );
			}
		}