Christian Ziech created LUCENE-8606:
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             Summary: ConstantScoreQuery looses explain details of wrapped query
                 Key: LUCENE-8606
                 URL: https://issues.apache.org/jira/browse/LUCENE-8606
             Project: Lucene - Core
          Issue Type: Improvement
            Reporter: Christian Ziech


Right now the ConstantScoreWeigth used by the ConstantScoreQuery is not adding 
the details of the wrapped query to the explanation. 
{code}
if (exists) {
    return Explanation.match(score, getQuery().toString() + (score == 1f ? "" : 
"^" + score));
} else {
    return Explanation.noMatch(getQuery().toString() + " doesn't match id " + 
doc);
}
{code}
This is kind of inconvenient as it makes it kind of hard to figure out which 
term finally really matched when one e.g. puts a BooleanQuery into the FILTER 
clause of another BooleanQuery.




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