gengliangwang commented on a change in pull request #26780: [SPARK-27506][SQL]
Allow deserialization of Avro data using compatible schemas
URL: https://github.com/apache/spark/pull/26780#discussion_r355701376
##########
File path:
external/avro/src/test/scala/org/apache/spark/sql/avro/AvroFunctionsSuite.scala
##########
@@ -153,4 +153,79 @@ class AvroFunctionsSuite extends QueryTest with
SharedSparkSession {
assert(df.collect().map(_.get(0)) === Seq(Row("one"), Row("two"),
Row("three"), Row("four")))
}
}
+
+ test("SPARK-27506: roundtrip in to_avro and from_avro with different
compatible schemas") {
+ val df = spark.range(10).select(
+ struct('id.as("col1"), 'id.cast("string").as("col2")).as("struct")
+ )
+ val avroStructDF = df.select(functions.to_avro('struct).as("avro"))
+ val actualAvroSchema = s"""
+ |{
+ | "type": "record",
+ | "name": "struct",
+ | "fields": [
+ | {"name": "col1", "type": "int"},
+ | {"name": "col2", "type": "string"}
+ | ]
+ |}
Review comment:
+1
@Fokko Could you address this comment?
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