diff options
| -rw-r--r-- | django/db/models/sql/query.py | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py index 54ca929a85..6b50bb8bf6 100644 --- a/django/db/models/sql/query.py +++ b/django/db/models/sql/query.py @@ -2033,17 +2033,6 @@ def is_reverse_o2o(field): return not hasattr(field, 'rel') and field.field.unique -def alias_diff(refcounts_before, refcounts_after): - """ - Given the before and after copies of refcounts works out which aliases - have been added to the after copy. - """ - # Use -1 as default value so that any join that is created, then trimmed - # is seen as added. - return set(t for t in refcounts_after - if refcounts_after[t] > refcounts_before.get(t, -1)) - - class JoinPromoter(object): """ A class to abstract away join promotion problems for complex filter |