Allow design docs to specify custom sort orders for composite keys
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Key: COUCHDB-144
URL: https://issues.apache.org/jira/browse/COUCHDB-144
Project: CouchDB
Issue Type: Bug
Components: Database Core
Reporter: Nick Johnson
Currently, there is no way to construct an index with different sort orders on
different subkeys. For example, you might want to have a view of users sorted
by city ascending, then age descending. With some data types this is easy
enough to fudge by negating the values (eg, integers, floats, bools), but with
strings this is currently practically impossible to achieve. I'm implementing a
CouchDB interface for App Engine apps, and this issue is a blocker, preventing
me from finishing it.
>From a conversation with damienkatz in IRC:
<damienkatz> I was going to say it seems fine to add key array collation info
the design docs
<damienkatz> something like {key_array_collation:["asc", "desc", "desc"], ...}
<damienkatz> create a new bug for it.
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