[LUCENE-4623] facets should index drill-down fields using DOCS_ONLY

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.2, 6.0
• Component/s: modules/facet
• Lucene Fields: New, Patch Available
• Assignee: Shai Erera
• Reporter: Michael McCandless
• Created: 12/Dec/12 14:27
• Updated: 28/Aug/22 13:34
• Resolved: 16/Jan/13 14:10

Description

Today we index as DOCS_AND_POSITIONS, which is necessary because we stuff the payload into one of those tokens.

If we indexed under two fields instead, then we could make the drill-down field DOCS_ONLY.

But ... once/if we cutover to doc values then we could use one field again.

Issue Links

• Is contained by: LUCENE-4602 Use DocValues to store per-doc facet ord