[COUCHDB-2226] Wrongful query_parse_error on group_level=999, keys.length > 1

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Not A Problem
• Security Level: public (Regular issues)
• Assignee: Unassigned
• Reporter: Nolan Lawson
• Created: 17/Apr/14 05:45
• Updated: 17/Apr/14 15:00
• Resolved: 17/Apr/14 07:53

Description

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.

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]"