[LUCENE-6639] LRUQueryCache.CachingWrapperWeight not calling policy.onUse() if the first scorer is skipped

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 5.3
• Fix Version/s: 5.3
• Lucene Fields: New
• Assignee: Unassigned
• Reporter: Terry Smith
• Created: 29/Jun/15 21:20
• Updated: 28/Aug/22 14:37
• Resolved: 06/Jul/15 17:49

Description

The method org.apache.lucene.search.LRUQueryCache.CachingWrapperWeight.scorer(LeafReaderContext) starts with

if (context.ord == 0) {
    policy.onUse(getQuery());
}

which can result in a missed call for queries that return a null scorer for the first segment.