hameizi commented on a change in pull request #3834:
URL: https://github.com/apache/iceberg/pull/3834#discussion_r803243526
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File path: core/src/main/java/org/apache/iceberg/io/BaseTaskWriter.java
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@@ -120,12 +120,7 @@ public void write(T row) throws IOException {
// Create a copied key from this row.
StructLike copiedKey =
StructCopy.copy(structProjection.wrap(asStructLike(row)));
- // Adding a pos-delete to replace the old path-offset.
- PathOffset previous = insertedRowMap.put(copiedKey, pathOffset);
- if (previous != null) {
- // TODO attach the previous row if has a positional-delete row schema
in appender factory.
- posDeleteWriter.delete(previous.path, previous.rowOffset, null);
- }
+ insertedRowMap.put(copiedKey, pathOffset);
Review comment:
@rdblue yes,as you said that the logic here was intended to implement
upsert just in case there are duplicate inserts without a delete. This logic
can be retain, just i think duplicate inserts should be avoid by upstream
semantic but not writer. If need i will rollback this change.
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