Bug 161009 Dataset-Parameter-Settings deleted on SQL changes
Once the SQL is changed in Dataset Editor, all parameters and their bindings are thrown away (at least not shown any more)
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/editors/SQLUtility.java
{
		if ( !useIdentifier || !( obj instanceof String ) )
			return obj;
		String identifierQuoteString = identifierStr;
		String dndString = (String) obj;
		if ( !identifierQuoteString.equals( " " ) )
		{
			if ( dndString.indexOf( "." ) == -1 )
				return identifierQuoteString
						+ dndString + identifierQuoteString;
			String[] str = dndString.split( "[.]" );
			dndString = "";
			for ( int i = 0; i < str.length; i++ )
			{
				dndString += identifierQuoteString
						+ str[i] + identifierQuoteString + ".";
			}
			return dndString.substring( 0, dndString.lastIndexOf( "." ) );
		}
		return dndString;
	}
	
    /**
	 * merge paramter meta data between dataParameter and datasetDesign's
	 * parameter.
	 * 
	 * @param dataSetDesign
	 * @param md
	 * @throws OdaException
	 */