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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2020/02/14 11:31:37 UTC
[GitHub] [spark] xuanyuanking commented on issue #27478: [SPARK-25829][SQL]
Add config `spark.sql.deduplicateMapKey.lastWinsPolicy.enabled` and change
the default behavior
xuanyuanking commented on issue #27478: [SPARK-25829][SQL] Add config `spark.sql.deduplicateMapKey.lastWinsPolicy.enabled` and change the default behavior
URL: https://github.com/apache/spark/pull/27478#issuecomment-586224976
Thanks Gengliang, as the config still related to legacy behavior, I rename it to `spark.sql.legacy.allowDuplicatedMapKeys`.
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