Add queryDSL histogram aggregation for exponential_histogram fields#136888
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JonasKunz merged 7 commits intoelastic:mainfrom Oct 30, 2025
Merged
Add queryDSL histogram aggregation for exponential_histogram fields#136888JonasKunz merged 7 commits intoelastic:mainfrom
JonasKunz merged 7 commits intoelastic:mainfrom
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felixbarny
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...alhistogram/aggregations/bucket/histogram/ExponentialHistogramBackedHistogramAggregator.java
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martijnvg
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...alhistogram/aggregations/bucket/histogram/ExponentialHistogramBackedHistogramAggregator.java
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Part of #135625. Adds support for the histogram aggregation on exponential_histogram fields.
The implementation uses the same assumption as the percentiles and rank algorithms: For each histogram bucket, all values lie on a single point. (see #136354).
The implementation was mostly copied from the existing T-Digest implementation.