[flink] Allow partial updates for AGGREGATION merge engine #2887
Description
Search before asking
- I searched in the issues and found nothing similar.
Description
FlinkTableSink.getSinkRuntimeProvider() rejects partial-column inserts for all merge engine tables. However, the server-side PartialAggregateRowMerger already handles partial updates correctly for AGGREGATION tables.
Willingness to contribute
- I'm willing to submit a PR!