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Index specs now use proper field names

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This commit is contained in:
Harry Marr 2010-01-08 00:15:20 +00:00
parent 960aea2fd4
commit eb3e6963fa
2 changed files with 18 additions and 11 deletions
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23
mongoengine/queryset.py
View File

@ -30,18 +30,23 @@ class QuerySet(object):
"""
if isinstance(key_or_list, basestring):
# single-field indexes needn't specify a direction
if key_or_list.startswith("-") or key_or_list.startswith("+"):
if key_or_list.startswith(("-", "+")):
key_or_list = key_or_list[1:]
self._collection.ensure_index(key_or_list)
# Use real field name
key = QuerySet._translate_field_name(self._document, key_or_list)
self._collection.ensure_index(key)
elif isinstance(key_or_list, (list, tuple)):
index_list = []
for key in key_or_list:
# Get direction from + or -
direction = pymongo.ASCENDING
if key.startswith("-"):
index_list.append((key[1:], pymongo.DESCENDING))
else:
if key.startswith("+"):
direction = pymongo.DESCENDING
if key.startswith(("+", "-")):
key = key[1:]
index_list.append((key, pymongo.ASCENDING))
# Use real field name
key = QuerySet._translate_field_name(self._document, key)
index_list.append((key, direction))
self._collection.ensure_index(index_list)
return self
@ -89,10 +94,12 @@ class QuerySet(object):
return fields
@classmethod
def _translate_field_name(cls, doc_cls, parts):
def _translate_field_name(cls, doc_cls, field, sep='.'):
"""Translate a field attribute name to a database field name.
"""
return [field.name for field in QuerySet._lookup_field(doc_cls, parts)]
parts = field.split(sep)
parts = [f.name for f in QuerySet._lookup_field(doc_cls, parts)]
return '.'.join(parts)
@classmethod
def _transform_query(cls, _doc_cls=None, **query):

6
tests/document.py
View File

@ -225,7 +225,7 @@ class DocumentTest(unittest.TestCase):
"""Ensure that indexes are used when meta[indexes] is specified.
"""
class BlogPost(Document):
date = DateTimeField(default=datetime.datetime.now)
date = DateTimeField(name='addDate', default=datetime.datetime.now)
category = StringField()
meta = {
'indexes': [
@ -241,9 +241,9 @@ class DocumentTest(unittest.TestCase):
BlogPost.objects()
info = BlogPost.objects._collection.index_information()
self.assertTrue([('category', 1), ('date', -1)] in info.values())
self.assertTrue([('category', 1), ('addDate', -1)] in info.values())
# Even though descending order was specified, single-key indexes use 1
self.assertTrue([('date', 1)] in info.values())
self.assertTrue([('addDate', 1)] in info.values())
BlogPost.drop_collection()