gatorsmile commented on code in PR #47506:
URL: https://github.com/apache/spark/pull/47506#discussion_r1737509511


##########
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/csv/CSVSuite.scala:
##########
@@ -1781,6 +1781,32 @@ abstract class CSVSuite
     }
   }
 
+  test("SPARK-49016: Queries from raw CSV files are disallowed when the 
referenced columns only" +
+    " include the internal corrupt record column") {
+    val schema = new StructType()
+      .add("a", IntegerType)
+      .add("b", DateType)
+      .add("_corrupt_record", StringType)
+
+    // negative cases
+    checkError(
+      exception = intercept[AnalysisException] {
+        spark.read.schema(schema).csv(testFile(valueMalformedFile))
+          .select("_corrupt_record").collect()

Review Comment:
   @wayneguow  the query itself makes sense, but the results "NULL" are wrong. 
Blocking this looks incorrect to me. 
   
   Could you revert it ?



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