diff options
Diffstat (limited to 'django/db/models/sql')
| -rw-r--r-- | django/db/models/sql/query.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py index 61c1e51557..432e5e6332 100644 --- a/django/db/models/sql/query.py +++ b/django/db/models/sql/query.py @@ -313,6 +313,18 @@ class BaseQuery(object): params.extend(self.extra_params) return ' '.join(result), tuple(params) + def as_nested_sql(self): + """ + Perform the same functionality as the as_sql() method, returning an + SQL string and parameters. However, the alias prefixes are bumped + beforehand (in a copy -- the current query isn't changed). + + Used when nesting this query inside another. + """ + obj = self.clone() + obj.bump_prefix() + return obj.as_sql() + def combine(self, rhs, connector): """ Merge the 'rhs' query into the current one (with any 'rhs' effects |