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https://issues.apache.org/jira/browse/COUCHDB-2226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13973003#comment-13973003
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Nolan Lawson commented on COUCHDB-2226:
---------------------------------------
Fair enough. In that case, [the
wiki|http://wiki.apache.org/couchdb/HTTP_view_API#Querying_Options] really
shouldn't say
{quote}
group=true is effectively the same as group_level=999 (for an arbitrarily high
value of 999.)
{quote}
FWIW, internally we've been using {{group_level=999}} in PouchDB as a synonym
for {{group=true}}, but I guess we should stop. Thanks for the clarification.
> Wrongful query_parse_error on group_level=999, keys.length > 1
> --------------------------------------------------------------
>
> Key: COUCHDB-2226
> URL: https://issues.apache.org/jira/browse/COUCHDB-2226
> Project: CouchDB
> Issue Type: Bug
> Security Level: public(Regular issues)
> Reporter: Nolan Lawson
>
> It's expected that {{group=true}} will avoid the query parse error if
> keys.length > 1, but since {{group_level=999}} is semantically equivalent to
> {{group=true}}, one would expect that it would also avoid the error.
> However, it doesn't.
> Tested against CouchDB 1.5.0. The script below will repro the error.
> {code}
> DB=http://localhost:5984/mytestdb
> curl -X DELETE $DB
> curl -X PUT $DB
> curl -X PUT $DB/_design/ddoc -H 'content-type:application/json' -d '{"views"
> : {"view" : {"map" : "function (doc){emit(doc._id);}", "reduce" : "_count"}}}'
> curl -X POST $DB/_bulk_docs -H 'content-type:application/json' -d '{"docs" :
> [{"_id" : "1"}, {"_id" : "2"}]}'
> # returns 2 results
> curl -g "$DB/_design/ddoc/_view/view?group=true&keys=[%221%22,%222%22]"
> # throws a query_parse_error
> curl -g "$DB/_design/ddoc/_view/view?group_level=999&keys=[%221%22,%222%22]"
> {code}
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