szehon-ho commented on code in PR #4560:
URL: https://github.com/apache/iceberg/pull/4560#discussion_r855667667
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core/src/main/java/org/apache/iceberg/PartitionsTable.java:
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@@ -93,16 +96,77 @@ 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);
+ Types.StructType normalizedPartitionType =
Partitioning.partitionType(table);
+ PartitionMap partitions = new PartitionMap();
+
+ LoadingCache<Integer, Integer[]> originalPartitionFieldPositionsBySpec =
Caffeine.newBuilder().build(specId ->
+ originalPositions(table, specId, normalizedPartitionType));
+ LoadingCache<Pair<PartitionData, Integer>, PartitionData>
normalizedPartitions = Caffeine.newBuilder().build(
Review Comment:
It was saving the construction of the new partitionData object, at the cost
of memory. but yea it might not be worth it, dropped it.
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