nsivabalan commented on code in PR #5427:
URL: https://github.com/apache/hudi/pull/5427#discussion_r858131177
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hudi-client/hudi-spark-client/src/main/scala/org/apache/hudi/HoodieSparkUtils.scala:
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@@ -324,7 +326,14 @@ object HoodieSparkUtils extends SparkAdapterSupport {
val name2Fields = tableAvroSchema.getFields.asScala.map(f => f.name() ->
f).toMap
// Here have to create a new Schema.Field object
// to prevent throwing exceptions like
"org.apache.avro.AvroRuntimeException: Field already used".
- val requiredFields = requiredColumns.map(c => name2Fields(c))
+ val requiredFields = requiredColumns.filter(c => {
Review Comment:
can't we do this while appending mandatory columns ? i.e compare w/ table
schema and drop missing fields. so that we do this filtering only for the
mandatory columns that we look to add and not touch query columns.
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