presto-main/src/main/java/io/prestosql/operator/PagesSpatialIndex.java/PagesSpatialIndex/findJoinPositions
class PagesSpatialIndex:        @Override
        public int[] findJoinPositions(int probePosition, Page probe, int probeGeometryChannel, Optional<Integer> probePartitionChannel)
        {
            return emptyAddresses;
        }