diff options
Diffstat (limited to 'django/db/models/sql')
| -rw-r--r-- | django/db/models/sql/query.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py index 08af1fb008..b6690e4526 100644 --- a/django/db/models/sql/query.py +++ b/django/db/models/sql/query.py @@ -1111,18 +1111,21 @@ class Query(object): def build_lookup(self, lookups, lhs, rhs): lookups = lookups[:] + bilaterals = [] while lookups: lookup = lookups[0] if len(lookups) == 1: final_lookup = lhs.get_lookup(lookup) if final_lookup: - return final_lookup(lhs, rhs) + return final_lookup(lhs, rhs, bilaterals) # We didn't find a lookup, so we are going to try get_transform # + get_lookup('exact'). lookups.append('exact') next = lhs.get_transform(lookup) if next: lhs = next(lhs, lookups) + if getattr(next, 'bilateral', False): + bilaterals.append((next, lookups)) else: raise FieldError( "Unsupported lookup '%s' for %s or join on the field not " |