Details
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Improvement
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Status: Closed
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Minor
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Resolution: Implemented
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None
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None
Description
All inner joins (including a cross join) can be implemented as a MapFunction if one of their inputs is a single row. This row can be passed to a MapFunction as a BroadcastSet.
This approach is going to be more lightweight than the other current strategies.
Attachments
Issue Links
- is required by
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FLINK-4541 Support for SQL NOT IN operator
- Closed
- links to