Code example for QueryException

0
	protected String[] currentColumns() throws QueryException {
		String propertyPath = getPropertyPath();
		String[] propertyColumns = getPropertyMapping().toColumns( currentName, propertyPath );
		if ( propertyColumns == null ) {
			throw new QueryException( "could not resolve property columns: " + propertyPath );
		} 
		return propertyColumns;
	} 
 
	private void reset(QueryTranslatorImpl q) {
		//join = q.createJoinFragment(useThetaStyleJoin); 
		dotcount = 0;
		currentName = null;
		currentProperty = null;
		collectionName = null;
		collectionRole = null;
		componentPath.setLength( 0 );
		type = null;
		collectionName = null;
		columns = null;
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