Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/12921#discussion_r62151223
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/csv/CSVSuite.scala
---
@@ -447,7 +446,7 @@ class CSVSuite extends QueryTest with SharedSQLContext
with SQLTestUtils {
verifyCars(cars, withHeader = true, checkValues = false)
val results = cars.collect()
- assert(results(0).toSeq === Array(2012, "Tesla", "S", "null", "null"))
+ assert(results(0).toSeq === Array(2012, "Tesla", "S", null, null))
--- End diff --
This is being tested against the data as below:
```
year,make,model,comment,blank
"2012","Tesla","S",null,
1997,Ford,E350,"Go get one now they are going fast",
null,Chevy,Volt
```
Since the header is `year`,`make`,`model`,`comment`,`blank`, this should
produce the values `2012`,`Tesla`,`S`,`null`,`null`.
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