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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2020/02/12 05:43:05 UTC
[GitHub] [spark] gengliangwang edited a comment on issue #27478:
[SPARK-25829][SQL] Add config
`spark.sql.deduplicateMapKey.lastWinsPolicy.enabled` and change the default
behavior
gengliangwang edited a comment 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-585039004
I google searched "deduplicate map key" and there is no matching result.
Since there will be runtime exception on duplicated keys, how about renaming the config to `spark.sql.allowDuplicatedMapKeys.enabled`?
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