[LUCENE-6531] Make PhraseQuery immutable

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 5.3, 6.0
• Lucene Fields: New
• Assignee: Adrien Grand
• Reporter: Adrien Grand
• Created: 08/Jun/15 15:49
• Updated: 28/Aug/22 14:34
• Resolved: 16/Jun/15 10:19

Description

Mutable queries are an issue for automatic filter caching since modifying a query after it has been put into the cache will corrupt the cache. We should make all queries immutable (up to the boost) to avoid this issue.