RussellSpitzer commented on a change in pull request #2303:
URL: https://github.com/apache/iceberg/pull/2303#discussion_r609763716
##########
File path:
core/src/main/java/org/apache/iceberg/actions/BaseRewriteDataFilesAction.java
##########
@@ -262,31 +269,64 @@ public RewriteDataFilesActionResult execute() {
return tasksGroupedByPartition.asMap();
}
- private void replaceDataFiles(Iterable<DataFile> deletedDataFiles,
Iterable<DataFile> addedDataFiles) {
+ private void replaceDataFiles(RewriteResult result) {
try {
RewriteFiles rewriteFiles = table.newRewrite();
- rewriteFiles.rewriteFiles(Sets.newHashSet(deletedDataFiles),
Sets.newHashSet(addedDataFiles));
+
+ rewriteFiles.rewriteFiles(
+ Sets.newHashSet(result.dataFilesToDelete()),
+ Sets.newHashSet(result.deleteFilesToDelete()),
+ Sets.newHashSet(result.dataFilesToAdd()),
+ Sets.newHashSet(result.deleteFilesToAdd())
+ );
+
commit(rewriteFiles);
} catch (Exception e) {
- Tasks.foreach(Iterables.transform(addedDataFiles, f ->
f.path().toString()))
+ // Remove all the newly produced files if possible.
+ Iterable<ContentFile<?>> addedFiles = Iterables.concat(
+ Arrays.asList(result.dataFilesToAdd()),
+ Arrays.asList(result.deleteFilesToAdd())
+ );
+
+ Tasks.foreach(Iterables.transform(addedFiles, f -> f.path().toString()))
.noRetry()
.suppressFailureWhenFinished()
.onFailure((location, exc) -> LOG.warn("Failed to delete: {}",
location, exc))
.run(fileIO::deleteFile);
+
throw e;
}
}
- private boolean isPartialFileScan(CombinedScanTask task) {
+ private boolean doPartitionNeedRewrite(Collection<FileScanTask>
partitionTasks) {
+ int files = 0;
+ for (FileScanTask scanTask : partitionTasks) {
Review comment:
I believe this would break splitting large files, since a file scan task
with only a single file will never be marked for rewrite.
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