holdenk commented on a change in pull request #23308: [SPARK-26308][SQL] Infer
abstract decimal type for java/scala BigDecimal
URL: https://github.com/apache/spark/pull/23308#discussion_r241732124
##########
File path: sql/core/src/test/scala/org/apache/spark/sql/UDFSuite.scala
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@@ -420,4 +420,14 @@ class UDFSuite extends QueryTest with SharedSQLContext {
checkAnswer(df, Seq(Row("null1x"), Row(null), Row("N3null")))
}
}
+
+ test("SPARK-26308: udf with decimal") {
+ val df1 = spark.createDataFrame(
+ sparkContext.parallelize(Seq(Row(new
java.math.BigDecimal("2011000000000002456556")))),
+ StructType(Seq(StructField("col1", DecimalType(30, 0)))))
+ val udf1 = org.apache.spark.sql.functions.udf((value:
java.math.BigDecimal) => {
+ if (value == null) null else value.toBigInteger.toString
Review comment:
In which case is the value null? If there is a case we should have a test
for it
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