cloud-fan commented on code in PR #47582:
URL: https://github.com/apache/spark/pull/47582#discussion_r1703675320
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connector/avro/src/test/scala/org/apache/spark/sql/avro/AvroSuite.scala:
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@@ -921,6 +921,34 @@ abstract class AvroSuite
}
}
+ test("SPARK-49082: Widening type promotions in AvroDeserializer") {
+ withTempPath { tempPath =>
+ // Int -> Long
+ val intPath = s"$tempPath/int_data"
+ val intDf = Seq(1, Int.MinValue, Int.MaxValue).toDF("col")
+ intDf.write.format("avro").save(intPath)
+ checkAnswer(
+ spark.read.schema("col Long").format("avro").load(intPath),
+ Seq(Row(1L), Row(-2147483648L), Row(2147483647L))
+ )
+
+ // Int -> Double
+ checkAnswer(
+ spark.read.schema("col Double").format("avro").load(intPath),
+ Seq(Row(1D), Row(-2147483648D), Row(2147483647D))
+ )
+
+ // Float -> Double
+ val floatPath = s"$tempPath/float_data1"
+ val floatDf = Seq(1, -1f, 2f).toDF("col")
Review Comment:
can we also test +/- infinity and nan?
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