Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/21774#discussion_r203805849
--- Diff:
external/avro/src/test/scala/org/apache/spark/sql/avro/AvroFunctionsSuite.scala
---
@@ -0,0 +1,87 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.spark.sql.avro
+
+import org.apache.avro.Schema
+
+import org.apache.spark.sql.QueryTest
+import org.apache.spark.sql.functions.struct
+import org.apache.spark.sql.test.SharedSQLContext
+
+class AvroFunctionsSuite extends QueryTest with SharedSQLContext {
+ import testImplicits._
+
+ test("roundtrip in to_avro and from_avro - int and string") {
+ val df = spark.range(10).select('id, 'id.cast("string").as("str"))
+
+ val avroDF = df.select(to_avro('id).as("a"), to_avro('str).as("b"))
+ val avroTypeLong = new Schema.Parser().parse(
+ s"""
+ |{
+ | "type": "long",
--- End diff --
the test name says int and string?
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