stevenzwu commented on code in PR #6753:
URL: https://github.com/apache/iceberg/pull/6753#discussion_r1119160571
##########
flink/v1.16/flink/src/main/java/org/apache/iceberg/flink/sink/BaseDeltaTaskWriter.java:
##########
@@ -94,7 +94,11 @@ public void write(RowData row) throws IOException {
writer.delete(row);
break;
case DELETE:
- writer.delete(row);
+ if (upsert) {
+ writer.deleteKey(keyProjection.wrap(row));
+ } else {
Review Comment:
nit: for consistency with other case clauses. maybe no `else`?
```
if (upsert) {
...
}
...
break;
````
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