adoron opened a new pull request #23043: [SPARK-26021][SQL] replace minus zero with zero in Platform.putDouble/Float URL: https://github.com/apache/spark/pull/23043 GROUP BY treats -0.0 and 0.0 as different values which is unlike hive's behavior. In addition current behavior with codegen is unpredictable (see example in JIRA ticket). ## What changes were proposed in this pull request? In Platform.putDouble/Float() checking if the value is -0.0, and if so replacing with 0.0. This is used by UnsafeRow so it won't have -0.0 values. ## How was this patch tested? Added tests
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