Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/17758#discussion_r122534244
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/command/views.scala ---
@@ -355,12 +356,12 @@ object ViewHelper {
analyzedPlan: LogicalPlan): Map[String, String] = {
// Generate the query column names, throw an AnalysisException if
there exists duplicate column
// names.
- val queryOutput = analyzedPlan.schema.fieldNames
- assert(queryOutput.distinct.size == queryOutput.size,
- s"The view output ${queryOutput.mkString("(", ",", ")")} contains
duplicate column name.")
+ SchemaUtils.checkSchemaColumnNameDuplication(
+ analyzedPlan.schema, "view",
session.sessionState.conf.caseSensitiveAnalysis)
--- End diff --
`the view`
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