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Is RisingWave planning to support HLL type and UDAFs in the future?

Cliff Resnick mentioned the lack of support for HLL type and UDAFs in RisingWave and inquired about any plans for future support. Yingjun mentioned that WASM-based UDF and UDAF/UDTF are on the roadmap. Cliff expressed interest in early access to these features.

Cl

Cliff Resnick

Asked on Aug 19, 2023

  • RisingWave is planning to support HLL type and UDAFs in the future.
  • WASM-based UDF and UDAF/UDTF are on the roadmap.
  • Early access to these features may be available upon request.
  • Specific use cases for HLL are being considered for future development.
  • approx_count_distinct aggregation function is available in v1.1 but still under refactoring.
Aug 21, 2023Edited by