deniskuzZ commented on code in PR #5622:
URL: https://github.com/apache/hive/pull/5622#discussion_r1938277737
##########
iceberg/iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/IcebergTableUtil.java:
##########
@@ -388,21 +388,13 @@ public static PartitionData toPartitionData(StructLike
sourceKey, Types.StructTy
Types.StructType targetKeyType) {
PartitionData data = new PartitionData(targetKeyType);
for (int i = 0; i < targetKeyType.fields().size(); i++) {
-
- int fi = i;
- String fieldName = targetKeyType.fields().get(fi).name();
- Object val = sourceKeyType.fields().stream()
- .filter(f -> f.name().equals(fieldName)).findFirst()
- .map(sourceKeyElem ->
sourceKey.get(sourceKeyType.fields().indexOf(sourceKeyElem),
- targetKeyType.fields().get(fi).type().typeId().javaClass()))
- .orElseThrow(() -> new RuntimeException(
- String.format("Error retrieving value of partition field %s",
fieldName)));
-
- if (val != null) {
- data.set(fi, val);
- } else {
- throw new RuntimeException(String.format("Partition field's %s value
is null", fieldName));
- }
+ String fieldName = targetKeyType.fields().get(i).name();
Review Comment:
Could we simplify this with
````
StructProjection projection =
StructProjection.createAllowMissing(sourceKeyType, targetKeyType);
projection.wrap(sourceKey);
PartitionData keyTemplate = new PartitionData(targetKeyType);
keyTemplate.copyFor(sourceKey);
````
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