Optimize scanning in DocsEnum [LUCENE-2765]
Open
legacy-jira-fix-version:4.9
legacy-jira-fix-version:6.0
legacy-jira-priority:Major
type:enhancement
- Dominant language
- Java
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Description
Similar to #3835:
when we call advance(), after skipping it scans, but this can be optimized better than calling nextDoc() like today
```
// scan for the rest:
do {
nextDoc();
} while (target > doc);
```
in particular, the freq can be "skipVinted" and the skipDocs (deletedDocs) don't need to be checked during this scanning.
---
Migrated from [LUCENE-2765](https://issues.apache.org/jira/browse/LUCENE-2765) by Robert Muir (@rmuir), updated May 09 2016
Attachments: [LUCENE-2765.patch](https://apache.github.io/lucene-jira-archive/attachments/LUCENE-2765/LUCENE-2765.patch) (versions: 2)
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