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Message from discussion pymongo find_and_modify not honoring sort?
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Walter Woods  
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 More options Sep 25 2012, 10:18 pm
From: Walter Woods <woodswal...@gmail.com>
Date: Tue, 25 Sep 2012 19:18:08 -0700 (PDT)
Local: Tues, Sep 25 2012 10:18 pm
Subject: Re: pymongo find_and_modify not honoring sort?
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Just want to vote in support that this should be fixed to take
key_or_list... after all, a dict in python can change sort after the
definition, so something like { 'b': 1, 'a': -1 } would end up sorting on
'a' descending BEFORE 'b' ascending, which isn't what would be intended.

On Wednesday, December 14, 2011 4:21:44 PM UTC-8, Zac Witte wrote:

> I'm I missing something here?

> ubuntu@mongo1:~/pubnub-analytics$ python
> Python 2.7.1+ (r271:86832, Apr 11 2011, 18:13:53)
> [GCC 4.5.2] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
> >>> from pymongo import Connection
> >>> from pymongo import ASCENDING, DESCENDING
> >>> conn = Connection()
> >>> db = conn.pb2
> >>> db.log_files.find_and_modify(
> ...     query={'status':'unprocessed'},
> ...     update={'$set':{}},
> ...     sort=[('file_name',ASCENDING)],
> ...     new=True)
> {u'status': u'unprocessed', u'file_name':
> u'2011-12-03_23:04:34.288091_50.18.36.76.log.bz2', u'_id':
> ObjectId('4ee805931d011c644f003260')}
> >>> db.log_files.find_one({'status':'unprocessed'})
> {u'status': u'unprocessed', u'file_name':
> u'2011-12-03_23:04:34.288091_50.18.36.76.log.bz2', u'_id':
> ObjectId('4ee805931d011c644f003260')}
> >>> db.log_files.find_one({'status':'unprocessed'},
> sort=[('file_name',ASCENDING)])
> {u'status': u'unprocessed', u'file_name':
> u'2011-09-30_10:48:23.843037_46.137.255.217.log', u'_id':
> ObjectId('4ee805981d011c644f00916c'), u'end_time':
> datetime.datetime(2011, 12, 14, 2, 35, 52, 160000)}


 
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