Michael McCandless created LUCENE-8094:
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Summary: Improve TermInSetQuery.toString
Key: LUCENE-8094
URL: https://issues.apache.org/jira/browse/LUCENE-8094
Project: Lucene - Core
Issue Type: Improvement
Reporter: Michael McCandless
Fix For: master (8.0), 7.3
Today a {{TermInSetQuery}} on field F and terms A, B, C returns this from
{{toString}}:
{noformat}
F:A F:B F:C
{noformat}
But this gets misleading when you embed it in a {{BooleanQuery}} as a negated
clause, which then renders like this:
{noformat}
-F:A F:B F:C
{noformat}
Making it look like only the first clause is negated when in fact they all are.
So ... I'd like to instead change it to:
{noformat}
F:(A B C)
{noformat}
I know {{Query.toString}} is simply best-effort, is not guaranteed to make
something you can then parse in any query parser back to itself, etc., but I
think we should still try to make a string that is not misleading when humans
stare at it?
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