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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2020/02/10 15:02:38 UTC
[GitHub] [spark] cloud-fan commented on issue #27252: [SPARK-29231][SQL]
Constraints should be inferred from cast equality constraint
cloud-fan commented on issue #27252: [SPARK-29231][SQL] Constraints should be inferred from cast equality constraint
URL: https://github.com/apache/spark/pull/27252#issuecomment-584165030
can you run `TPCDSQuerySuite` locally and see how much overhead this feature brings to the optimizer?
Also can you provide a simple query to show the perf benefits of this feature?
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