literal operator?

[Matthew King]

I just ran into a little problem while trying to query for a document looking for a term that had been indexed using a Keyword field...

My application is using the StandardAnalyzer and the QueryParser to search the index, so my query looked something like this:

kw:FOOBAR

not surprisingly (now that I know what's going on) I wasn't getting any hits from this search (because the QueryParser was normalizing the query term be "foobar" when it had been indexed as "FOOBAR")

I know that i could create my own query to search for "FOOBAR", but it seems reasonable to add a LITERAL operator so that keywords can be searched using the QueryParser, no?

Here's the diff for my stab at implementing it:

diff -r1.25 QueryParser.jj
319c319
< "[", "]", "\"", "{", "}", "~", "*", "?" ] >
---
> "[", "]", "\"", "{", "}", "~", "*", "?", "'" ] >
321c321
< "[", "]", "\"", "{", "}", "~", "*", "?" ]
---
> "[", "]", "\"", "{", "}", "~", "*", "?", "'" ]
350a351
> | <LITERAL: "'" (~["'"])+ "'">
527a529,533
> }
> | term=<LITERAL>
> [ <CARAT> boost=<NUMBER> ]
> {
> q = new TermQuery(new Term(field, term.image.substring(1, term.image.length()-1)));

I'm not so sure I like using the single quote here, but it was available...

What do people think? Is this useful to others?

- matt


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