superdiaodiao opened a new pull request, #33896: URL: https://github.com/apache/doris/pull/33896
## Proposed changes Issue Number: close #xxx <!--Describe your changes.--> Currently, we already have some Bitmap UDFs in hive and spark load can use them. However, Hll UDF is also needed by users in some cases, so in this PR we support three UDFs: - UDAF to_hll: return an doris hll representation of a column hll_union: calculate the grouped hll union , returns an doris hll representation of a column - UDF hll_cardinality: returns the number of distinct integers added to the hll (e.g., number of bits set For more detail, you can see the docs. ## Further comments If this is a relatively large or complex change, kick off the discussion at [d...@doris.apache.org](mailto:d...@doris.apache.org) by explaining why you chose the solution you did and what alternatives you considered, etc... -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org For additional commands, e-mail: commits-h...@doris.apache.org
