Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/9408#discussion_r43853474
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/DataFrameWriter.scala ---
@@ -169,11 +169,21 @@ final class DataFrameWriter private[sql](df:
DataFrame) {
private def insertInto(tableIdent: TableIdentifier): Unit = {
val partitions = partitioningColumns.map(_.map(col => col -> (None:
Option[String])).toMap)
val overwrite = mode == SaveMode.Overwrite
+
+ // A partitioned relation schema's can be different from the input
logicalPlan, since
+ // partition columns are all moved after data column. We Project to
adjust the ordering.
+ // TODO: this belongs in the analyzer.
+ val input = partitioningColumns.map { parCols =>
+ val projectList = df.logicalPlan.output.filterNot(c =>
parCols.contains(c.name)) ++
--- End diff --
Do we need to consider case sensitivity for partition column names here?
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