Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/21818#discussion_r203934743 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/InsertIntoHadoopFsRelationCommand.scala --- @@ -91,8 +92,12 @@ case class InsertIntoHadoopFsRelationCommand( val pathExists = fs.exists(qualifiedOutputPath) - val enableDynamicOverwrite = - sparkSession.sessionState.conf.partitionOverwriteMode == PartitionOverwriteMode.DYNAMIC + val parameters = CaseInsensitiveMap(options) + + val enableDynamicOverwrite = parameters.get("partitionOverwriteMode") + .map(mode => PartitionOverwriteMode.withName(mode.toUpperCase)) + .getOrElse(sparkSession.sessionState.conf.partitionOverwriteMode) == + PartitionOverwriteMode.DYNAMIC --- End diff -- nit: this is too long ``` val partitionOverwriteMode = parameters.get("partitionOverwriteMode").... val enableDynamicOverwrite = partitionOverwriteMode == PartitionOverwriteMode.DYNAMIC ```
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