Bug 182061 Data engine changes to support result set sharing
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/document/QueryResultIDUtil.java
if ( slashIndex < 0 )
			return null;
		else
		{
			String nextStr = queryResultID.substring( slashIndex + 1 );
			if ( nextStr.startsWith( QURE_ID_PREFIX ) )
				return queryResultID.substring( 0, slashIndex );
			else
				return null;
		}
	}
	/**
	 * @param queryResultID
	 * @return
	 */
	public static String get2PartID( String queryResultID )
	{
		if ( queryResultID == null )
			return null;
		int slashIndex = queryResultID.indexOf( QURE_ID_SEPARATOR );
		if ( slashIndex < 0 )
			return null;
		else
		{
			String nextStr = queryResultID.substring( slashIndex + 1 );
			if ( nextStr.startsWith( QURE_ID_PREFIX ) )
				return queryResultID.substring( slashIndex + 1 );
			else
				return queryResultID;
		}