LuciferYang commented on code in PR #38685:
URL: https://github.com/apache/spark/pull/38685#discussion_r1029979036


##########
sql/core/src/test/scala/org/apache/spark/sql/DataFrameSuite.scala:
##########
@@ -1759,24 +1763,25 @@ class DataFrameSuite extends QueryTest
 
   test("SPARK-8072: Better Exception for Duplicate Columns") {
     // only one duplicate column present
-    val e = intercept[org.apache.spark.sql.AnalysisException] {
+    val e = intercept[AnalysisException] {
       Seq((1, 2, 3), (2, 3, 4), (3, 4, 5)).toDF("column1", "column2", 
"column1")
         .write.format("parquet").save("temp")
     }
-    assert(e.getMessage.contains("Found duplicate column(s) when inserting 
into"))
-    assert(e.getMessage.contains("column1"))
-    assert(!e.getMessage.contains("column2"))
+    checkError(
+      exception = e,
+      errorClass = "COLUMN_ALREADY_EXISTS",
+      parameters = Map("columnName" -> "`column1`"))

Review Comment:
   Let me check this



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