szehon-ho commented on code in PR #4560:
URL: https://github.com/apache/iceberg/pull/4560#discussion_r854661308
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core/src/main/java/org/apache/iceberg/PartitionsTable.java:
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@@ -93,16 +93,36 @@ private static StaticDataTask.Row
convertPartition(Partition partition) {
return StaticDataTask.Row.of(partition.key, partition.recordCount,
partition.fileCount, partition.specId);
}
- private static Iterable<Partition> partitions(StaticTableScan scan) {
+ private static Iterable<Partition> partitions(Table table, StaticTableScan
scan) {
CloseableIterable<FileScanTask> tasks = planFiles(scan);
-
- PartitionMap partitions = new
PartitionMap(scan.table().spec().partitionType());
+ Types.StructType partitionType = Partitioning.partitionType(table);
+ PartitionMap partitions = new PartitionMap(partitionType);
for (FileScanTask task : tasks) {
- partitions.get(task.file().partition()).update(task.file());
+ PartitionData original = (PartitionData) task.file().partition();
+ PartitionData normalized = normalizePartition(original, partitionType);
+ partitions.get(normalized).update(task.file());
}
return partitions.all();
}
+ private static PartitionData normalizePartition(PartitionData partition,
Types.StructType normalizedPartitionSchema) {
+ Map<Integer, Object> fieldIdToValues = Maps.newHashMap();
Review Comment:
Discussed offline, added cache of positional mappings to the final partition
type, for each spec-id
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