[LUCENE-10106] Sort optimization mistakenly skips the first documents

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 9.0, 8.9
• Fix Version/s: 9.0, 8.10
• Component/s: core/search
• Lucene Fields: New
• Assignee: Nhat Nguyen
• Reporter: Nhat Nguyen
• Created: 15/Sep/21 02:00
• Updated: 28/Aug/22 16:26
• Resolved: 15/Sep/21 14:48

Description

romseygeek and I looked into a test failure that occurs in Elasticsearch with Lucene 9. The first documents of subsequent segments are mistakenly skipped when sort optimization is enabled. We should initialize `maxDocVisited` in NumericComparator to -1 instead of 0.

Issue Links

• links to: GitHub Pull Request #300
• links to: GitHub Pull Request #2574