Github user gengliangwang commented on a diff in the pull request: https://github.com/apache/spark/pull/20020#discussion_r158416541 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSource.scala --- @@ -479,14 +468,15 @@ case class DataSource( outputPath = outputPath, staticPartitions = Map.empty, ifPartitionNotExists = false, - partitionColumns = partitionAttributes, + partitionColumns = partitionColumns.map(UnresolvedAttribute.quoted), bucketSpec = bucketSpec, fileFormat = format, options = options, query = data, --- End diff -- I think @cloud-fan wants `AnalysisBarrier` to be in trait `DataWritingCommand` to make sure the `query` is analyzed. Adding `AnalysisBarrier` will not be helpful, the query should be analyzed here.
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