cloventt commented on code in PR #13088: URL: https://github.com/apache/druid/pull/13088#discussion_r973784759
########## docs/development/extensions-core/datasketches-hll.md: ########## @@ -59,6 +59,11 @@ druid.extensions.loadList=["druid-datasketches"] } ``` +The `HLLSketchBuild` aggregator builds a datasketch from the input column specified. If used during ingestion, this +will result in Druid storing pre-generated HLL Sketch objects in the datasource, rather than the original value itself. +If used at query time on an existing dimension, the resulting column can be used as an intermediate dimension by the +post-aggregators below. + Review Comment: Style changes commited in df7d508, thanks for the suggestion! -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
