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https://issues.apache.org/jira/browse/LUCENE-6244?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14321618#comment-14321618
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Robert Muir commented on LUCENE-6244:
-------------------------------------
{quote}
The first patch worked like conjunctions, the scorer first advanced the
approximation and then called nextDoc() on the approximation until it found a
document that matches. So when scores were not needed, you could just stop
calling "matches()" as soon as one of the clauses that are positionned on the
current doc matches. I don't think it's an important optimization but was worth
mentioning.
{quote}
OK, so it only impacts when scores are not needed. Thanks. I think its ok to
defer.
{quote}
I didn't want to optimize anything in particular, but having the freq computed
eagerly made the two-phase view a bit easier to implement. I can try to make it
lazy again.
{quote}
Less tricky is better. I just didnt understand the motivation. We can just add
a comment that it simplifies things to do this at the moment?
> Approximations on disjunctions
> ------------------------------
>
> Key: LUCENE-6244
> URL: https://issues.apache.org/jira/browse/LUCENE-6244
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Fix For: Trunk, 5.1
>
> Attachments: LUCENE-6244.patch, LUCENE-6244.patch, wikibig.tasks
>
>
> Like we just did on exact phrases and conjunctions, we should also support
> approximations on disjunctions in order to apply "matches()" lazily.
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