Bug 416703 Mongodb : Display correctly the Number data type
data/org.eclipse.birt.data.oda.mongodb/src/org/eclipse/birt/data/oda/mongodb/impl/MDbResultSet.java
m_queryProps = queryProps != null ? 
                        queryProps : 
                        QueryProperties.defaultValues();
        if( projectsFlattenedRows() )
            m_dataHandler = new ResultDataHandler( m_metadata );
    }
	
	/*
	 * @see org.eclipse.datatools.connectivity.oda.IResultSet#getMetaData()
	 */
	public IResultSetMetaData getMetaData() throws OdaException
	{
	    return m_metadata;
	}
	/*
	 * @see org.eclipse.datatools.connectivity.oda.IResultSet#setMaxRows(int)
	 */
	public void setMaxRows( int max ) throws OdaException
	{
		m_maxRows = max;
        if( m_maxRows > 0 && m_mongoCursor != null )
            m_mongoCursor.limit( m_maxRows );
	}
	
	/**
	 * Returns the maximum number of rows that can be fetched from this result set.
	 * @return the maximum number of rows to fetch.
	 */
	protected int getMaxRows()
	{