Github user gengliangwang commented on a diff in the pull request:
https://github.com/apache/spark/pull/22320#discussion_r215128076
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/InsertIntoHadoopFsRelationCommand.scala
---
@@ -56,7 +56,7 @@ case class InsertIntoHadoopFsRelationCommand(
mode: SaveMode,
catalogTable: Option[CatalogTable],
fileIndex: Option[FileIndex],
- outputColumns: Seq[Attribute])
+ outputColumnNames: Seq[String])
extends DataWritingCommand {
import
org.apache.spark.sql.catalyst.catalog.ExternalCatalogUtils.escapePathName
--- End diff --
Oh, then we can use this method instead.
```
def checkColumnNameDuplication(
columnNames: Seq[String], colType: String, caseSensitiveAnalysis:
Boolean): Unit
```
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