diff options
Diffstat (limited to 'lib/sqlalchemy/sql/dml.py')
| -rw-r--r-- | lib/sqlalchemy/sql/dml.py | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql/dml.py b/lib/sqlalchemy/sql/dml.py index 5ddc9ef82..c923bf651 100644 --- a/lib/sqlalchemy/sql/dml.py +++ b/lib/sqlalchemy/sql/dml.py @@ -12,6 +12,7 @@ Provide :class:`_expression.Insert`, :class:`_expression.Update` and from sqlalchemy.types import NullType from . import coercions from . import roles +from . import util as sql_util from .base import _entity_namespace_key from .base import _from_objects from .base import _generative @@ -47,7 +48,9 @@ class DMLState(CompileState): def _make_extra_froms(self, statement): froms = [] - seen = {statement.table} + + all_tables = list(sql_util.tables_from_leftmost(statement.table)) + seen = {all_tables[0]} for crit in statement._where_criteria: for item in _from_objects(crit): @@ -55,6 +58,7 @@ class DMLState(CompileState): froms.append(item) seen.update(item._cloned_set) + froms.extend(all_tables[1:]) return froms def _process_multi_values(self, statement): |