Moemenmohamed24 commented on issue #12459:
URL: https://github.com/apache/gluten/issues/12459#issuecomment-4947621981
@ggjh-159 Thanks for the detailed . I have a question about the RowKind
propagation issue.
The description says that RowKind is dropped during the `RowData`→
`RowVector` conversion, so Velox no longer receives any RowKind information.
However, it also says:
`As a result, the velox side sees every row as +I regardless of the original
changelog marker.`
Could you clarify why Velox sees every row as +I specifically?
If the RowKind is completely lost, where does the +I come from? Is INSERT
(+I) the default `RowKind` when reconstructing `RowData` in `Flink`
( GenericRowData), or is it being assumed somewhere else in the
Gluten-Flink pipeline?
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