HuaHuaY commented on code in PR #770:
URL: https://github.com/apache/iceberg-cpp/pull/770#discussion_r3465815421
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src/iceberg/update/expire_snapshots.cc:
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@@ -343,38 +337,38 @@ class ReachableFileCleanup : public FileCleanupStrategy {
const TableMetadata& metadata,
const std::unordered_set<ManifestFile>& manifests_to_delete,
const std::unordered_set<ManifestFile>& current_manifests) {
- std::unordered_set<std::string> data_files_to_delete;
-
// Collect live file paths from manifests being deleted.
- for (const auto& manifest : manifests_to_delete) {
- auto live_data_files = ReadLiveDataFilePaths(metadata, manifest);
- // Ignore expired-manifest read failures and keep scanning candidates.
- if (!live_data_files.has_value()) {
- continue;
- }
-
- data_files_to_delete.insert(live_data_files->begin(),
live_data_files->end());
+ auto live_file_results = ParallelCollect(
+ plan_executor_, manifests_to_delete,
+ [this, &metadata](
+ const ManifestFile& manifest) ->
Result<std::unordered_set<std::string>> {
+ auto result = ReadLiveDataFilePaths(metadata, manifest);
Review Comment:
This isn't a problem introduced by this PR. It can be fixed in a future PR.
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