davecromberge opened a new pull request, #12685:
URL: https://github.com/apache/pinot/pull/12685
Adds a base class for common capabilities to allow any custom object to use
an internal array buffer at query time to offset the cost of expensive merges
for more memory usage. The Apache Datasketches Theta, Tuple and Cpc sketches
initially make use of this functionality.
Note:
This PR should be tagged as `backward-incompat` for users who are making use
of the ApacheDatasketches Tuple sketch.
Release notes:
- additional parameters are now permitted for the `distinctCountCpcSketch`
and `distinctCountTupleSketch` query aggregation functions to control merge
thresholds.
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