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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/02/01 08:50:06 UTC
[GitHub] karuppayya commented on issue #23696: [SPARK-26781][SQL]Avoid
additional shuffle when the data is already partitioned on the same key in
previous stage
karuppayya commented on issue #23696: [SPARK-26781][SQL]Avoid additional shuffle when the data is already partitioned on the same key in previous stage
URL: https://github.com/apache/spark/pull/23696#issuecomment-459650123
Changing the behavior of `semanticEquals` breaks logical plan creation.
Reverted the change in `semanticEquals` and fix by adding a new method `resolveEqual` whch is overridden only in `AttributeReference`
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