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Fixed map_field embedded db_field bug

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fixes hmarr/mongoengine#512
This commit is contained in:
Ross Lawley 2012-06-19 10:57:43 +01:00
commit 3d0d2f48ad
3 changed files with 49 additions and 2 deletions
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8
mongoengine/queryset.py
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@ -620,6 +620,7 @@ class QuerySet(object):
"Can't use index on unsubscriptable field (%s)" % err)
fields.append(field_name)
continue
if field is None:
# Look up first field from the document
if field_name == 'pk':
@ -637,8 +638,11 @@ class QuerySet(object):
from mongoengine.fields import ReferenceField, GenericReferenceField
if isinstance(field, (ReferenceField, GenericReferenceField)):
raise InvalidQueryError('Cannot perform join in mongoDB: %s' % '__'.join(parts))
# Look up subfield on the previous field
new_field = field.lookup_member(field_name)
if getattr(field, 'field', None):
new_field = field.field.lookup_member(field_name)
else:
# Look up subfield on the previous field
new_field = field.lookup_member(field_name)
from base import ComplexBaseField
if not new_field and isinstance(field, ComplexBaseField):
fields.append(field_name)