Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/10390#discussion_r48780378
--- Diff:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/encoders/ExpressionEncoderSuite.scala
---
@@ -242,6 +242,16 @@ class ExpressionEncoderSuite extends SparkFunSuite {
ExpressionEncoder.tuple(intEnc, ExpressionEncoder.tuple(intEnc,
longEnc))
}
+ test("user type with ScalaReflection") {
+ val point = (new ExamplePoint(0.1, 0.2), new ExamplePoint(0.3, 0.4))
+ val schema = ScalaReflection.schemaFor[Tuple2[ExamplePoint,
ExamplePoint]]
+ .dataType.asInstanceOf[StructType]
+ val attributeSeq = schema.toAttributes
+ val boundEncoder = encoderFor[Tuple2[ExamplePoint, ExamplePoint]]
+ .resolve(attributeSeq, outers).bind(attributeSeq)
+ assert(boundEncoder.fromRow(boundEncoder.toRow(point)) === point)
+ }
--- End diff --
Just make this `productTest(("UDT", new ExamplePoint(0.1, 0.2)))`. It
always better to reuse existing infrastructure when possible.
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