aokolnychyi commented on a change in pull request #675: Inherit snapshot ids
for manifest entries
URL: https://github.com/apache/incubator-iceberg/pull/675#discussion_r364792835
##########
File path: core/src/main/java/org/apache/iceberg/MergingSnapshotProducer.java
##########
@@ -203,20 +204,22 @@ protected void add(DataFile file) {
* Add all files in a manifest to the new snapshot.
*/
protected void add(ManifestFile manifest) {
- // the manifest must be rewritten with this update's snapshot ID
- try (ManifestReader reader = ManifestReader.read(
- ops.io().newInputFile(manifest.path()), ops.current().specsById())) {
- ManifestFile manifestFile = ManifestWriter.copyAppendManifest(
- reader, manifestPath(manifestCount.getAndIncrement()), snapshotId(),
appendedManifestsSummary);
- appendManifests.add(manifestFile);
- // keep reference of the first appended manifest, so that we can avoid
merging first bin(s)
- // which has the first appended manifest and have not crossed the limit
of minManifestsCountToMerge
- if (firstAppendedManifest == null) {
- firstAppendedManifest = manifestFile;
+ // TODO: avoid reading manifests to simply get stats
+ try (ManifestReader reader = ManifestReader.read(manifest, ops.io(),
ops.current().specsById())) {
+ for (ManifestEntry addedEntry : reader.addedFiles()) {
+ appendedManifestsSummary.addedFile(reader.spec(), addedEntry.file());
}
} catch (IOException e) {
throw new RuntimeIOException(e, "Failed to close manifest: %s",
manifest);
}
+
+ appendManifests.add(manifest);
Review comment:
Done
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