xiangyu feng created FLINK-37227:
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Summary: Support Reuse Multiple Table Sinks in Planner
Key: FLINK-37227
URL: https://issues.apache.org/jira/browse/FLINK-37227
Project: Flink
Issue Type: Improvement
Components: Table SQL / Planner
Reporter: xiangyu feng
When users are trying to partial-update a downstream table from multiple source
tables, they have to submit a job within multiple datastreams. For downstream
storage like data lakes, there will have concurrency issue for multiple writers
ingesting data at the same time. Users in the case may have to manually union
all datastreams in Flink SQL which is hard to use.
It would be better if flink planer can support reuse the sink nodes across
multiple datastreams. This would a great usability improvement for users using
partial-update features.
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