Github user dongjoon-hyun commented on the issue:
https://github.com/apache/spark/pull/18991
Ur, it's not record-level filtering. Maybe, it's because I explained it too
abstractly
[here](https://github.com/apache/spark/pull/19943#discussion_r160251456
). It's stripe-level. So, the current ORC in Spark works in the same way
with the current Parquet's behavior in Spark. Spark's assumption is just giving
a **hint** to underlying data formats with
`spark.sql.(orc|parquet).filterPushdown` and do the filtering later inside
Spark.
If both of you requires that, let's revisit later in 2.4 timeframe. When I
reopened this two days ago, the purpose is just to make it sure for that option
in Apache.
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