Reject invalid reverse_nested aggs
#137047
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MattAlp
added
>bug
:Analytics/Aggregations
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Pinging @elastic/es-analytical-engine (Team:Analytics) |
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Hi @MattAlp, I've created a changelog YAML for you. |
MattAlp
commented
Oct 23, 2025
...t/java/org/elasticsearch/search/aggregations/bucket/nested/ReverseNestedAggregatorTests.java
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nik9000
approved these changes
Oct 24, 2025
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Looks good to me. @martijnvg should also look because he knows the nested stuff better than anyone.
| - match: { aggregations.courses.highpass_filter.unnest.department.buckets.1.doc_count: 1 } | ||
| --- | ||
| "Illegal reverse nested aggregation to a child nested object": | ||
| - do: |
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This'll also want a capability. Those live in SearchCapabilities. And, of course, it's not an enum.
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Addresses #131232 by checking the path provided for a
reverse_nestedagg against the parent's aggregation path & throwing anIllegalArgumentExceptionif appropriate.