[GitHub] cloud-fan commented on a change in pull request #23315: [SPARK-26366][SQL] ReplaceExceptWithFilter should consider NULL as False

[GitBox <gi...@apache.org>]

cloud-fan commented on a change in pull request #23315: [SPARK-26366][SQL] ReplaceExceptWithFilter should consider NULL as False
URL: https://github.com/apache/spark/pull/23315#discussion_r241631301
 
 

 ##########
 File path: sql/core/src/test/scala/org/apache/spark/sql/DatasetSuite.scala
 ##########
 @@ -1656,6 +1656,19 @@ class DatasetSuite extends QueryTest with SharedSQLContext {
     checkAnswer(df.groupBy(col("a")).agg(first(col("b"))),
       Seq(Row("0", BigDecimal.valueOf(0.1111)), Row("1", BigDecimal.valueOf(1.1111))))
   }
+
+  test("SPARK-26366: return nulls which are not filtered in except") {
+    val inputDF = sqlContext.createDataFrame(
+      sparkContext.parallelize(Seq(Row("0", "a"), Row("1", null))),
+      StructType(Seq(
+        StructField("a", StringType, nullable = true),
+        StructField("b", StringType, nullable = true))))
 
 Review comment:
   Seq("0" -> "a", "1" -> null).toDF("a", "b")

----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
users@infra.apache.org


With regards,
Apache Git Services

---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscribe@spark.apache.org
For additional commands, e-mail: reviews-help@spark.apache.org