On Mon, Apr 29, 2013 at 4:26 PM, Sean McNamara
wrote:
> If I create a table that has a map field, will ORC files
> columnarize by the keys in the map? Or will all the pairs in the map be
> grouped together?
>
It will break the map keys into one sub-column and the map values into a
separate sub-
If I create a table that has a map field, will ORC files
columnarize by the keys in the map? Or will all the pairs in the map be
grouped together?
My goal is to columnarize the storage of a variable number of fields (where the
names and number of fields are unknown at schema creation). It doe
