+1 for this feature! Expanding the bitmap type will help users unlock more computation scenarios and integrate more easily with external systems.
Best, Lincoln Lee dylanhz <[email protected]> 于2025年11月21日周五 11:07写道： > Hi everyone, > > > I would like to start a discussion about FLIP-556 Introduce BITMAP Data > Type[1]. > > > Flink currently has no native, compressed data type for large integer > sets, forcing users to rely on external libraries like RoaringBitmap via > UDFs. > This limits performance, maintainability, and integration with Flink’s > type system and SQL engine. > We propose adding a built‑in BITMAP type based on RoaringBitmap to provide > compact storage, exact deduplication, and efficient set operations (AND, > OR, XOR) directly within Flink. > > > I have had some initial discussions with @Lincoln Lee and @Jark Wu > regarding this FLIP. > Looking forward to your feedback and suggestions. > > > [1] > https://docs.google.com/document/d/1YNgIt93iFboogHMoKbDD4LjP5UrfqtF65hitGKRtKMs/edit?usp=sharing > > > > -- > > Best regards, > dylanhz
