Hi,

I'd like to clarify wether this selective column updates are supported as part 
of HCatOutputFormat.setSchema().

If I have an unpartitioned table:

foo(int col1, int col2, int col3)

Would it be possible for me to just pass column "col2" when calling setSchema? 
For columnar stores (ie Hbase) it would be more efficient just to write out the 
values that we want updated instead of the entire row.

-Francis

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