Github user xguo27 commented on a diff in the pull request:
https://github.com/apache/spark/pull/10515#discussion_r48591393
--- 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 --
After `write.text()`, the local text file actually does not carry the
schema name like JSON does. When reading back the text file and then call
`verifyFrame`, it will always have `value` as the column name.
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