viirya commented on a change in pull request #24945:
[SPARK-27893][SQL][PYTHON][FOLLOW-UP] Allow Scalar Pandas and Python UDFs can
be tested with Scala test base
URL: https://github.com/apache/spark/pull/24945#discussion_r296785251
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/IntegratedUDFTestUtils.scala
##########
@@ -40,32 +40,37 @@ import org.apache.spark.sql.types.StringType
*
* To register Scala UDF in SQL:
* {{{
- * registerTestUDF(TestScalaUDF(name = "udf_name"), spark)
+ * val scalaTestUDF = TestScalaUDF(name = "udf_name")
+ * registerTestUDF(scalaTestUDF, spark)
* }}}
*
* To register Python UDF in SQL:
* {{{
- * registerTestUDF(TestPythonUDF(name = "udf_name"), spark)
+ * val pythonTestUDF = TestScalaUDF(name = "udf_name")
+ * registerTestUDF(pythonTestUDF, spark)
* }}}
*
* To register Scalar Pandas UDF in SQL:
* {{{
- * registerTestUDF(TestScalarPandasUDF(name = "udf_name"), spark)
+ * val pandasTestUDF = TestScalaUDF(name = "udf_name")
+ * registerTestUDF(pandasTestUDF, spark)
* }}}
*
* To use it in Scala API and SQL:
* {{{
* sql("SELECT udf_name(1)")
- * spark.select(expr("udf_name(1)")
+ * spark.range(10).select(expr("udf_name(id)")
+ * spark.range(10).select(pandasTestUDF($"id"))
Review comment:
Will we use it? In `SQLQueryTestSuite`, I think udfs are all registered for
`UDFTestCase`?
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