cloud-fan commented on a change in pull request #27542: [SPARK-30790]The
dataType of map() should be map<null,null>
URL: https://github.com/apache/spark/pull/27542#discussion_r377741289
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/DataFrameFunctionsSuite.scala
##########
@@ -3499,11 +3499,17 @@ class DataFrameFunctionsSuite extends QueryTest with
SharedSparkSession {
).foreach(assertValuesDoNotChangeAfterCoalesceOrUnion(_))
}
- test("SPARK-21281 use string types by default if map have no argument") {
- val ds = spark.range(1)
- var expectedSchema = new StructType()
- .add("x", MapType(StringType, StringType, valueContainsNull = false),
nullable = false)
- assert(ds.select(map().as("x")).schema == expectedSchema)
+ test("SPARK-30790: Empty map of <NullType,NullType> for map function with no
arguments") {
Review comment:
can we move it closer to the array test?
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
With regards,
Apache Git Services
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
