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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2020/03/18 18:44:43 UTC
[GitHub] [spark] marmbrus commented on issue #27941: [SPARK-31178][SQL]
Prevent V2 exec nodes from executing multiple times
marmbrus commented on issue #27941: [SPARK-31178][SQL] Prevent V2 exec nodes from executing multiple times
URL: https://github.com/apache/spark/pull/27941#issuecomment-600799358
Just to check my understanding, the testing gap here was that none of our existing DS2 tests called `collect()` on the resulting DataFrame? We were just relying on the implicit execution?
Are there other things we need to be testing? `take()`? etc?
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