gustavodemorais commented on code in PR #28235:
URL: https://github.com/apache/flink/pull/28235#discussion_r3304570806
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flink-table/flink-table-runtime/src/main/java/org/apache/flink/table/runtime/functions/ptf/ToChangelogFunction.java:
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@@ -65,11 +70,16 @@ public class ToChangelogFunction extends
BuiltInProcessTableFunction<RowData> {
private final Map<RowKind, String> rawOpMap;
private final int[] outputIndices;
+ private final RowType inputRowType;
+ private final boolean producesFullDelete;
+ private final boolean[] preserveOnDelete;
Review Comment:
Something like this probably makes more sense
```suggestion
private final boolean[] upsertKeyIndex;
```
Or upsertKeysAtIndex? or let me know if you have a better idea
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