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From "Victor Nicollet (JIRA)" <j...@apache.org>
Subject [jira] [Created] (COUCHDB-1228) Key range error apparently ignores view collation
Date Wed, 20 Jul 2011 09:45:03 GMT
Key range error apparently ignores view collation
-------------------------------------------------

                 Key: COUCHDB-1228
                 URL: https://issues.apache.org/jira/browse/COUCHDB-1228
             Project: CouchDB
          Issue Type: Bug
          Components: HTTP Interface
    Affects Versions: 1.1
         Environment: Debian
            Reporter: Victor Nicollet


I have created a view (no reduce function) with "options":{"collation":"raw"} and emit documents
with keys "A", "C" and "b". Running a request on that view with no parameters, I get as expected
all three documents in order "A", "C" and "b" as required by the raw collation (instead of
"A", "b", "C" for the default ICU collation).

However, when I run a request with start key "B" and end key "a", I expect the "C" document
to be returned alone (as "B" < "C" < "a") but couchDB responds:

{ "error": "query_parse_error", "reason": "No rows can match your key range, reverse your
start_key and end_key or set descending=true" }

This error would make sense if I had been using the default ICU collation, where "B" >
"a", but with the raw collation the reverse ("B" > "a") is true. It looks as if the key
order warning does not take the view collation into account.


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