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https://issues.apache.org/jira/browse/COUCHDB-357?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul Joseph Davis resolved COUCHDB-357.
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Resolution: Won't Fix
Fix Version/s: 0.9.1
Assignee: Paul Joseph Davis
Given the set of keys: [1, 0] [1, 1] [1, 2] and a group_level=1 then we'd need
to provide the equivalent of key=[1] but this will fail during reduction
because startkey=[1]&endkey=[1] (the equivalent of specifying key=[1]) will
select no keys.
> group_level fails for multi-key reduce view
> -------------------------------------------
>
> Key: COUCHDB-357
> URL: https://issues.apache.org/jira/browse/COUCHDB-357
> Project: CouchDB
> Issue Type: Bug
> Components: HTTP Interface
> Reporter: Mark Hammond
> Assignee: Paul Joseph Davis
> Fix For: 0.9.1
>
> Attachments: issue-357.patch
>
>
> If you try and execute a multi-key reduce view with a group_level param,
> could returns a query parser error with message '"Multi-key fetchs for reduce
> view must include `group=true`". The error persists if you add that param.
> The problem appears to be that couch_httpd_view.erl is only checking for
> 'exact' grouping, not an integer level. Attaching a patch; thanks to Paul
> Davis for the direction...
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