kishoreg commented on issue #4214: Support default BYTES (zero-length byte array) in aggregation function and aggregator URL: https://github.com/apache/incubator-pinot/pull/4214#issuecomment-494508908 ok. It's better to support NULL as first-class instead of checking for NULL every row right?. Generate a NULL bitmap for this column and filter it out in the filter phase.
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