anoopj commented on code in PR #18108:
URL: https://github.com/apache/iceberg/pull/18108#discussion_r4040680490
##########
core/src/main/java/org/apache/iceberg/TrackedFileStruct.java:
##########
@@ -210,14 +216,55 @@ public long fileSizeInBytes() {
return fileSizeInBytes;
}
+ void setSpecsById(Map<Integer, PartitionSpec> newSpecsById) {
+ this.specsById = newSpecsById;
+ }
+
@Override
public Integer specId() {
return specId;
}
@Override
public StructLike partition() {
- return partitionData;
+ if (partitionData == null || specId == null || specsById == null) {
+ return partitionData;
+ }
+
+ StructProjection projection = partitionProjection(specId);
+ return projection != null ? projection.wrap(partitionData) : partitionData;
+ }
+
+ private StructProjection partitionProjection(int id) {
+ if (partitionProjections == null) {
+ this.partitionProjections = Maps.newHashMap();
+ }
+
+ if (!partitionProjections.containsKey(id)) {
+ PartitionSpec spec = specsById.get(id);
+ Types.StructType specType = spec != null ? spec.partitionType() : null;
+ // null when the stored tuple already matches the spec, so partition()
passes it through
+ partitionProjections.put(
+ id,
+ specType == null || partitionData.getPartitionType().equals(specType)
+ ? null
+ : StructProjection.create(partitionData.getPartitionType(),
specType));
Review Comment:
That looks a lot nicer. Making that change.
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