queryparser whitespace escaping and documentation?
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Key: LUCENE-1122
URL: https://issues.apache.org/jira/browse/LUCENE-1122
Project: Lucene - Java
Issue Type: Improvement
Components: QueryParser, Website
Reporter: Hoss Man
as noted in this solr thread...
http://www.nabble.com/PhraseQuery-and-WildcardQuery-to14503609.html#a14503609
...it's possible to escape a whitespace character in the value of a term or
prefix query by using a backslash so that the QueryParser will not treat it as
"special" (ie: won't split on it when dividing the input into chunks for
analysis).
at a minimum, this should be noted here...
http://lucene.apache.org/java/docs/queryparsersyntax.html#Escaping%20Special%20Characters
...but it got me wondering...
* is this a side effect of something else, or will QueryParser really
respect this everywhere? even in field names? (i haven't tested) ... i think
this is a result of QueryParser allowing you to escape any character even if it
isn't "special" to the syntax
* shouldn't a space be considered "special" since it does trigger certain
behavior? ... so shouldn't QueryParser.escape(String) escape spaces as well as
the other special characters?
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