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Properly fixed indexing on _id for covered indexes

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refs  #4
This commit is contained in:
Ross Lawley 2012-05-01 12:02:45 +01:00
parent dbe2f5f2b8
commit 5bcbb4fdaa
1 changed files with 9 additions and 7 deletions
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10
mongoengine/queryset.py
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@ -504,6 +504,9 @@ class QuerySet(object):
# Use real field name, do it manually because we need field
# objects for the next part (list field checking)
parts = key.split('.')
if parts in (['pk'], ['id'], ['_id']):
key = '_id'
else:
fields = QuerySet._lookup_field(doc_cls, parts)
parts = [field if field == '_id' else field.db_field for field in fields]
key = '.'.join(parts)
@ -614,11 +617,10 @@ class QuerySet(object):
continue
if field is None:
# Look up first field from the document
if field_name in ('pk', 'id', '_id'):
if field_name == 'pk':
# Deal with "primary key" alias
field_name = document._meta['id_field'] or '_id'
field = "_id"
elif field_name in document._fields:
field_name = document._meta['id_field']
if field_name in document._fields:
field = document._fields[field_name]
elif document._dynamic:
from base import BaseDynamicField