Bruno Roustant created LUCENE-8159:
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Summary: 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
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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