Comments (3)
Yes it uses Map-reduce
from cobol-to-hive.
if Hive internally uses Map-reduce to process a custom SerDe conversion when a Select query is executed, is there a way to select corresponding input file name while selecting a subset of records?
from cobol-to-hive.
use Hive provided column name INPUT__FILE__NAME to filter.
from cobol-to-hive.
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from cobol-to-hive.