Implement negation of facet path in DrillDownQuery [LUCENE-9979]
- Dominant language
- Java
- Stars
- 3.6k
- Forks
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- Avg merge
- 2d 11h
- Merged PRs (30d)
- 88
Description
Suppose the following facet values tree:
Facet
- V1
- V1.1
- V1.2
- V1.3
- V1.4
- (not topK values)
- V2
- V2.1
- V2.2
- V2.3
- V2.4
- (not topK values)
Use case:
1 - select V1 => all V1.x are selected
2 - de-select V1.1
The implementation of the negation of value V1.1 is missing in DrillDownQuery, it would be nice to implement it.
---
Migrated from [LUCENE-9979](https://issues.apache.org/jira/browse/LUCENE-9979) by Nicola Buso, updated Jun 02 2021
Attachments: [0001-Implement-negate-facet-path-in-DrillDownQuery.patch](https://apache.github.io/lucene-jira-archive/attachments/LUCENE-9979/0001-Implement-negate-facet-path-in-DrillDownQuery.patch)
Contributor guide
Research direction
Start by locating DrillDownQuery and review the attached LUCENE-9979 patch to understand the existing facet-path handling. Verify the V1/V1.1 example: selecting V1 includes its descendants, then negating V1.1 excludes that path while retaining the other V1 values.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- search
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100