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Setting the value of bucket aggregations to something more than just the document count

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See the sub-aggregations here: https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations.html#_structuring_aggregations

I started some work on my fork of the repository while working on HSEARCH-3649. Basically I just laid out the necessary APIs; see https://github.com/yrodiere/hibernate-search/commits/HSEARCH-3661

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Yoann RodièreApril 22, 2024 at 10:37 AM
Edited

See also https://hibernate.zulipchat.com/#narrow/stream/132092-hibernate-search-dev/topic/HSEARCH-3661.20sum.20aggregation.20with.20Lucene.20backend, in particular this API proposal:

// Map<Range<...>, Double> .aggregation(key, f -> f.range().field("...") .range(...).range(...) .someOptions() .value(f.sum().field("...", Double.class)))

Later (another Jira?) we could also introduce composite aggregations:

// Map<Range<...>, List<...>> .aggregation(key, f -> f.range().field("...") .range(...).range(...) .someOptions() .value(f.composite() .from(f.sum().field("...", Double.class), f.median().field("...", Double.class)) .asList()) // Map<Range<...>,MyPair<Double, Double>> .aggregation(key, f -> f.range().field("...") .range(...).range(...) .someOptions() .value(f.composite() .from(f.sum().field("...", Double.class), f.median().field("...", Double.class)) .as(MyPair::new))

Fabio Massimo ErcoliMarch 11, 2024 at 8:28 AM

Thanks for the issue. I think it can be the base for https://issues.redhat.com/browse/JDG-6875

Yoann RodièreFebruary 21, 2024 at 12:30 PM

I started some work on my fork of the repository while working on HSEARCH-3649. Basically I just laid out the necessary APIs; see https://github.com/yrodiere/hibernate-search/commits/HSEARCH-3661

Note we might want to simplify that API to align on org.hibernate.search.engine.search.projection.dsl.CompositeProjectionInnerStep, where we expect all sub-projections to be passed as arguments to the same method call. It makes for much simpler implementations, believe me.

Yoann RodièreFebruary 21, 2024 at 12:14 PM

Downstream issue that would benefit from something similar, but for Lucene: https://issues.redhat.com/browse/JDG-6875

Yoann RodièreMarch 1, 2022 at 12:57 PM

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Created August 9, 2019 at 10:17 AM
Updated December 16, 2024 at 12:03 PM

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