ramitg254 commented on code in PR #6565:
URL: https://github.com/apache/hive/pull/6565#discussion_r3497986485
##########
iceberg/iceberg-handler/src/main/java/org/apache/iceberg/mr/mapreduce/IcebergRecordReader.java:
##########
@@ -173,7 +174,16 @@ private CloseableIterable openGeneric(FileScanTask task,
Schema readSchema) {
default -> throw new UnsupportedOperationException(
String.format("Cannot read %s file: %s", file.format().name(),
file.location()));
};
- return applyResidualFiltering(iterable, residual, readSchema);
+ return applyResidualFiltering(withStructInitialDefaultBackfill(iterable,
readSchema), residual, readSchema);
+ }
+
+ private CloseableIterable<T>
withStructInitialDefaultBackfill(CloseableIterable<T> iterable, Schema
readSchema) {
+ return CloseableIterable.transform(iterable, row -> {
+ if (row instanceof Record curIceRecord) {
+ HiveSchemaUtil.backfillStructInitialDefaults(curIceRecord,
readSchema.columns());
+ }
+ return row;
+ });
}
Review Comment:
done returned early before checking every row
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