Hi Michael,
I would be curious to know what advantage you are going to get by hashing a
structured field. Has that structured field got very high selectivity so you
end up with equally sized buckets (files) spread?
How about the following
hive CREATE TABLE foo (id bigint, bar
Hi Mich,
yes, the structured field has very good selectivity. I would not achieve
perfectly equally sized buckets, but I don't expect any skew problems.
Of course, moving the structured field to top-level would allow bucketing. But
I would prefer to not change the schema, as many queries have
