gengliangwang commented on code in PR #49590:
URL: https://github.com/apache/spark/pull/49590#discussion_r1927991417
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sql/core/src/main/scala/org/apache/spark/sql/avro/AvroSerializer.scala:
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@@ -282,11 +284,20 @@ private[sql] class AvroSerializer(
}.toArray.unzip
val numFields = catalystStruct.length
+ val avroFields = avroStruct.getFields()
row: InternalRow =>
val result = new Record(avroStruct)
var i = 0
while (i < numFields) {
if (row.isNullAt(i)) {
+ val avroField = avroFields.get(i)
+ if (!avroField.schema().isNullable) {
Review Comment:
Shall we put this nullable info in an array outside the lambda? So that we
can simply check
```
if isSchemaNullable(i)
```
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