[LUCENE-8311] Leverage impacts for phrase queries

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 8.2
• Lucene Fields: New
• Assignee: Unassigned
• Reporter: Adrien Grand
• Created: 15/May/18 16:24
• Updated: 28/Aug/22 15:30
• Resolved: 11/Jul/19 08:25

Description

Now that we expose raw impacts, we could leverage them for phrase queries.

For instance for exact phrases, we could take the minimum term frequency for each unique norm value in order to get upper bounds of the score for the phrase.

Issue Links

• links to: GitHub Pull Request #760