Bug 153387 Database item can't be dragged and dropped onto editor field
Steps to reproduce: 1.Start up BIRT in Mac OS X; 2.File->New->Project; 3.File->New->Report Design; 4.In Data Explorer, create a New Data Source, and choose "Classic Models Inc. Sample DataBase", press "Next" and then press "finish"; 5.In Data Explorer, create a New Data Set, press "Next"; 6.In the popup window, expand the "CLASSICMODELS", select and drag a item onto the editor field at right side.
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/editors/SQLDataSetEditorPage.java
* @param tableName
	 * @return
	 */
	private String getTableNameWithSchema( String schemaName,
			String tableName )
	{
		String tableNameWithSchema = tableName;
		if ( schemaName != null && schemaName.trim( ).length( ) > 0 )
		{
			tableNameWithSchema = schemaName + "." + tableName;
		}
		return tableNameWithSchema;
	}
	
	/**
	 * if the schema is not support, populate the table list
	 *
	 */
	protected void populateTableList( )
	{
		if ( rootNode != null )
		{
			removeTreeItem( rootNode );
		}
		ResultSet tablesRs = null;
		ArrayList procedureRs = null;
		String catalogName = metaDataProvider.getCatalog( );
		tableList = new ArrayList( );
		
		String namePattern = null;