p15693087
/
django
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

magic-removal: Fixed _get_next_or_previous_by_FIELD() to use new-style lookup 

git-svn-id: http://code.djangoproject.com/svn/django/branches/magic-removal@2175 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty 2006-01-30 04:05:53 +00:00
parent b3e9732eff
commit cf276407ea
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
django/db/models/base.py
View File

@ -267,14 +267,14 @@ class Model(object):
def _get_next_or_previous_by_FIELD(self, field, is_next, **kwargs):
op = is_next and '>' or '<'
kwargs.setdefault('where', []).append('(%s %s %%s OR (%s = %%s AND %s.%s %s %%s))' % \
where = '(%s %s %%s OR (%s = %%s AND %s.%s %s %%s))' % \
(backend.quote_name(field.column), op, backend.quote_name(field.column),
backend.quote_name(self._meta.db_table), backend.quote_name(self._meta.pk.column), op))
backend.quote_name(self._meta.db_table), backend.quote_name(self._meta.pk.column), op)
param = str(getattr(self, field.attname))
kwargs.setdefault('params', []).extend([param, param, getattr(self, self._meta.pk.attname)])
kwargs['order_by'] = [(not is_next and '-' or '') + field.name, (not is_next and '-' or '') + self._meta.pk.name]
kwargs['limit'] = 1
return self.__class__._default_manager.get(**kwargs)
q = self.__class__._default_manager
q = q.order_by((not is_next and '-' or '') + field.name, (not is_next and '-' or '') + self._meta.pk.name)
q = q.extra(where=where, params=[param, param, getattr(self, self._meta.pk.attname)])
return q[0]
def _get_next_or_previous_in_order(self, is_next):
cachename = "__%s_order_cache" % is_next