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ePaper created 2012-04-11, 17:43:42 | version 1.22.16
© 2012 triAGENS GmbH | 2012-04-04 46 GROUP: grouping Example: retrieve the number of users per city (aggregated): FOR u IN users GROUP "city": u.city, "g" : $ RETURN { "c": city, "numUsers": LENGTH(g) } Produces the following result: [ { "c": "cgn", "numUsers": 3 }, { "c": "ffm", "numUsers": 2 }, { "c": "ddf", "numUsers": 1 } ]