[LUCENE-9948] Automatically detect multi- vs. single-valued cases in LongValueFacetCounts

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 9.0
• Fix Version/s: 9.0
• Component/s: modules/facet
• Lucene Fields: New
• Assignee: Unassigned
• Reporter: Greg Miller
• Created: 02/May/21 14:37
• Updated: 28/Aug/22 16:21
• Resolved: 03/May/21 15:19

Description

The public API in LongValueFacetCounts currently requires the user to specify whether-or-not a field being counted should be single- or multi-valued (i.e., is it NumericDocValues or SortedNumericDocValues). Since we can detect this automatically, it seems unnecessary to ask users to specify. Let's consider updating the implementation to auto-detect these cases and deprecate the ctors that allow explicit specification.

This is a spin-off issue from LUCENE-9946. 

Issue Links

• links to: GitHub Pull Request #122
• links to: GitHub Pull Request #2521