Github user viirya commented on a diff in the pull request: https://github.com/apache/spark/pull/10515#discussion_r48591068 --- Diff: sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/text/TextSuite.scala --- @@ -33,8 +33,8 @@ class TextSuite extends QueryTest with SharedSQLContext { verifyFrame(sqlContext.read.text(testFile)) } - test("writing") { - val df = sqlContext.read.text(testFile) + test("SPARK-12562 verify write.text() can handle column name beyond `value`") { + val df = sqlContext.read.text(testFile).withColumnRenamed("value", "adwrasdf") --- End diff -- This might be failed because the later method `verifyFrame` will check if the df read in has schema like `new StructType().add("value", StringType)`. You could update `verifyFrame` to check if it has only one StringType column.
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