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https://issues.apache.org/jira/browse/LUCENE-9555?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mayya Sharipova updated LUCENE-9555:
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Description:
LUCENE-9280 introduced a sort optimization where
documents can be skipped.
But there was a bug in case we were using two phase
approximation, as we would advance it without advancing
an overall conjunction iterator.
Relates to https://issues.apache.org/jira/browse/LUCENE-9280
was:
Some collectors provide iterators that can efficiently skip non-competitive
docs. When using DefaultBulkScorer#score function we create a conjunction of
scorerIterator and collectorIterator. The problem could be if scorerIterator
has already been advanced. As collectorIterator always starts from a docID =
-1, and for creation of conjunction iterator we need all of its
sub-iterators to be on the same doc, the creation of conjunction iterator will
fail.
We need to create a conjunction between scorerIterator and collectorIterator
only if scorerIterator has not been advanced yet.
Relates to https://issues.apache.org/jira/browse/LUCENE-9280
Relates to https://issues.apache.org/jira/browse/LUCENE-9541
> Advance conjunction Iterator for two phase iteration
> ----------------------------------------------------
>
> Key: LUCENE-9555
> URL: https://issues.apache.org/jira/browse/LUCENE-9555
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Mayya Sharipova
> Priority: Minor
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> LUCENE-9280 introduced a sort optimization where
> documents can be skipped.
> But there was a bug in case we were using two phase
> approximation, as we would advance it without advancing
> an overall conjunction iterator.
> Relates to https://issues.apache.org/jira/browse/LUCENE-9280
>
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