evazion e848011080 Fix #4406: Add "commentary:" metasearch. ...

Add:

* commentary:true (posts with commentary)
* commentary:false (posts without commentary)
* commentary:translated (posts with translated commentary)
* commentary:untranslated (posts with untranslated commentary)
* commentary:"text" (posts where any commentary field matches "text")

Known issues:

* There's no way to escape the true, false, translated, or
  untranslated keywords to do a literal text search for commentaries
  containing one of these keywords.

* Negated searches may be slow. Using a left outer join instead of a
  subquery would be faster in most cases, but negating it is harder.

2020-04-17 00:11:00 -05:00

5.5 KiB

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