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https://issues.apache.org/jira/browse/LUCENE-8159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16380407#comment-16380407
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Bruno Roustant edited comment on LUCENE-8159 at 2/28/18 2:58 PM:
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[~rcmuir] could you be a little more explicit?
Without context I don't understand why a copy constructor is bad in Java in
general.
Do you mean you prefer a copy method?
PrefixQuery copy(String field)
was (Author: bruno.roustant):
[~rcmuir] could you be a little more explicit?
Without context I don't understand why a copy constructor is bad in Java in
general.
> Add a copy constructor in AutomatonQuery to copy directly the compiled
> automaton
> --------------------------------------------------------------------------------
>
> Key: LUCENE-8159
> URL: https://issues.apache.org/jira/browse/LUCENE-8159
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/search
> Affects Versions: trunk
> Reporter: Bruno Roustant
> Assignee: David Smiley
> Priority: Major
> Attachments:
> 0001-Add-a-copy-constructor-in-AutomatonQuery-to-copy-dir.patch,
> LUCENE-8159.patch
>
>
> When the query is composed of multiple AutomatonQuery with the same automaton
> and which target different fields, it is much more efficient to reuse the
> already compiled automaton by copying it directly and just changing the
> target field.
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