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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/03/05 14:41:26 UTC

[GitHub] [spark] srowen commented on issue #23970: [SPARK-27054][BUILD][SQL] Remove the Calcite dependency

srowen commented on issue #23970: [SPARK-27054][BUILD][SQL] Remove the Calcite dependency
URL: https://github.com/apache/spark/pull/23970#issuecomment-469704667
 
 
   I'm all for cleaning up dependencies, but what are the implications of disabling CBO? that sounds like it could impact performance of something. We just never actually need CBO?

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