[LUCENE-10263] Implement Weight#count() on NormsFieldExistsQuery

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 9.1, 10.0 (main)
• Lucene Fields: New
• Assignee: Alan Woodward
• Reporter: Alan Woodward
• Created: 25/Nov/21 14:23
• Updated: 28/Aug/22 16:31
• Resolved: 30/Nov/21 10:19

Description

Similar to LUCENE-10085, we can quickly get a count of documents that have a text field present by reading docCount() from the field's Terms instance if there are no deleted documents.

Issue Links

• links to: GitHub Pull Request #477