presto-main/src/main/java/io/prestosql/sql/planner/PartitioningScheme.java/PartitioningScheme/equals
class PartitioningScheme:    @Override
    public boolean equals(Object o)
    {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        PartitioningScheme that = (PartitioningScheme) o;
        return Objects.equals(partitioning, that.partitioning) &&
                Objects.equals(outputLayout, that.outputLayout) &&
                replicateNullsAndAny == that.replicateNullsAndAny &&
                Objects.equals(bucketToPartition, that.bucketToPartition);
    }