Arcadius Ahouansou created LUCENE-6464:
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Summary: Allow possibility to group contexts during lookup
Key: LUCENE-6464
URL: https://issues.apache.org/jira/browse/LUCENE-6464
Project: Lucene - Core
Issue Type: Improvement
Affects Versions: 5.1
Reporter: Arcadius Ahouansou
This is an enhancement to LUCENE-6050
LUCENE-6050 added
{code}
lookup(CharSequence key, Map<BytesRef, BooleanClause.Occur> contextInfo, int
num, boolean allTermsRequired, boolean doHighlight)
{code}
which allowed to do something like
(A OR B AND C OR D ...)
In our use-case, we realise that we need grouping i.e
(A OR B) AND (C OR D) AND (...)
In other words, we need the intersection of multiple contexts.
The attached patch allows to pass in a vararg of map, each one representing the
each group.
This is an initial patch.
The question to [~mikemccand] and [~janechang] is:
is it better to expose a FilteredQuery/Query and let the user build their own
query instead of passing a map?
Exposing a filteredQuery will probably give the best flexibility to the
end-users.
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