fanyue-xia commented on code in PR #49590:
URL: https://github.com/apache/spark/pull/49590#discussion_r1933068669
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sql/core/src/main/scala/org/apache/spark/sql/avro/AvroSerializer.scala:
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@@ -282,11 +284,21 @@ private[sql] class AvroSerializer(
}.toArray.unzip
val numFields = catalystStruct.length
+ val avroFields = avroStruct.getFields()
+ val isSchemaNullable = avroFields.asScala.map(_.schema().isNullable)
row: InternalRow =>
val result = new Record(avroStruct)
var i = 0
while (i < numFields) {
if (row.isNullAt(i)) {
+ if (!isSchemaNullable(i)) {
+ throw new SparkRuntimeException(
+ errorClass = "AVRO_CANNOT_WRITE_NULL_FIELD",
+ messageParameters = Map(
+ "name" -> toSQLId(avroFields.get(i).name),
+ "dataType" -> toSQLType(SchemaConverters.toSqlType(
Review Comment:
Updated
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