presto-main/src/main/java/io/prestosql/operator/StandardJoinFilterFunction.java/StandardJoinFilterFunction/filter
class StandardJoinFilterFunction:    @Override
    public boolean filter(int leftPosition, int rightPosition, Page rightPage)
    {
        long pageAddress = addresses.getLong(leftPosition);
        int pageIndex = decodeSliceIndex(pageAddress);
        int pagePosition = decodePosition(pageAddress);

        return filterFunction.filter(pagePosition, pages.isEmpty() ? EMPTY_PAGE : pages.get(pageIndex), rightPosition, rightPage);
    }