Bug 137130 The cascading parameter does not work when a column name includes double quotation marks
Description: The cascading parameter does not work when a column name includes double quotation marks Steps to reproduce: 1. download the report design file 2. change the flat file path to the related position 3. save and preview. Actual result: The cascading parameter can not retrieve the data.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/QueryResults.java
public ResultService( DataEngineContext context,
				QueryResults queryResults )
		{
			this.context = context;
			this.queryResults = queryResults;
		}		
		/*
		 * @see org.eclipse.birt.data.engine.impl.IResultService#getContext()
		 */
		public DataEngineContext getContext( )
		{
			return context;
		}
		
		/*
		 * @see org.eclipse.birt.data.engine.impl.IResultService#getQueryResults()
		 */
		public IQueryResults getQueryResults( )
		{
			return queryResults;
		}
		/*
		 * @see org.eclipse.birt.data.engine.impl.IResultService#getQueryDefn()
		 */
		public IBaseQueryDefinition getQueryDefn( )
		{
			return queryResults.queryService.getQueryDefn( );
		}
		
		/*