[jira] [Resolved] (LUCENE-8762) Lucene50PostingsReader should specialize reading docs+freqs with impacts

["Adrien Grand (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-8762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Adrien Grand resolved LUCENE-8762.
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    Resolution: Won't Fix

This has been implemented in the new Lucene84PostingsFormat.

> Lucene50PostingsReader should specialize reading docs+freqs with impacts
> ------------------------------------------------------------------------
>
>                 Key: LUCENE-8762
>                 URL: https://issues.apache.org/jira/browse/LUCENE-8762
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Adrien Grand
>            Priority: Minor
>          Time Spent: 2.5h
>  Remaining Estimate: 0h
>
> Currently if you ask for impacts, we only have one implementation that is able to expose everything: docs, freqs, positions and offsets. In contrast, if you don't need impacts, we have specialization for docs+freqs, docs+freqs+positions and docs+freqs+positions+offsets.
> Maybe we should add specialization for the docs+freqs case with impacts, which should be the most common case, and remove specialization for docs+freqs+positions when impacts are not requested?



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