Hi Lucene Team,
When retrieving docValue from Multiple DocIds, it can help by sorting
docIds first then using single docValue iterator to retrieve by docIds.
However some people may not know it and will not sort before using docValue
iterator. Would it be useful that we add a new API that helps retrieve
docValue from multiple docIds? I am thinking of adding a new method under
DocValues class.
Something like:

getNumericValues(LeafReader reader, String field, boolean isDocIdSorted,
int...DocIds)


Sincerely,
Xin

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