aokolnychyi commented on code in PR #11273:
URL: https://github.com/apache/iceberg/pull/11273#discussion_r1828421067
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spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/source/SparkPositionDeltaWrite.java:
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@@ -437,20 +474,51 @@ protected PartitioningWriter<InternalRow,
DataWriteResult> newDataWriter(
// use a fanout writer if the input is unordered no matter whether fanout
writers are enabled
// clustered writers assume that the position deletes are already ordered
by file and position
protected PartitioningWriter<PositionDelete<InternalRow>,
DeleteWriteResult> newDeleteWriter(
- Table table, SparkFileWriterFactory writers, OutputFileFactory files,
Context context) {
+ Table table,
+ Map<String, DeleteFileSet> rewritableDeletes,
+ SparkFileWriterFactory writers,
+ OutputFileFactory files,
+ Context context) {
FileIO io = table.io();
boolean inputOrdered = context.inputOrdered();
long targetFileSize = context.targetDeleteFileSize();
DeleteGranularity deleteGranularity = context.deleteGranularity();
- if (inputOrdered) {
+ if (inputOrdered && rewritableDeletes == null) {
return new ClusteredPositionDeleteWriter<>(
writers, files, io, targetFileSize, deleteGranularity);
} else {
return new FanoutPositionOnlyDeleteWriter<>(
- writers, files, io, targetFileSize, deleteGranularity);
+ writers,
+ files,
+ io,
+ targetFileSize,
+ deleteGranularity,
+ rewritableDeletes != null
+ ? new PreviousDeleteLoader(table, rewritableDeletes)
+ : path -> null /* no previous file scoped deletes */);
+ }
+ }
+ }
+
+ private static class PreviousDeleteLoader implements Function<CharSequence,
PositionDeleteIndex> {
+ private final Map<String, DeleteFileSet> rewritableDeletes;
+ private final DeleteLoader deleteLoader;
+
+ PreviousDeleteLoader(Table table, Map<String, DeleteFileSet>
rewritableDeletes) {
+ this.rewritableDeletes = rewritableDeletes;
+ this.deleteLoader = new BaseDeleteLoader(deleteFile ->
table.io().newInputFile(deleteFile));
+ }
+
+ @Override
+ public PositionDeleteIndex apply(CharSequence path) {
+ DeleteFileSet deleteFileSet = rewritableDeletes.get(path.toString());
Review Comment:
Just `deleteFiles`?
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