diff options
Diffstat (limited to 'lib/sqlalchemy/sql/util.py')
| -rw-r--r-- | lib/sqlalchemy/sql/util.py | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql/util.py b/lib/sqlalchemy/sql/util.py index fd138cfec..520c90f99 100644 --- a/lib/sqlalchemy/sql/util.py +++ b/lib/sqlalchemy/sql/util.py @@ -13,12 +13,14 @@ from collections import deque """Utility functions that build upon SQL and Schema constructs.""" -def sort_tables(tables, skip_fn=None): +def sort_tables(tables, skip_fn=None, extra_dependencies=None): """sort a collection of Table objects in order of their foreign-key dependency.""" tables = list(tables) tuples = [] + if extra_dependencies is not None: + tuples.extend(extra_dependencies) def visit_foreign_key(fkey): if fkey.use_alter: @@ -507,6 +509,9 @@ class AnnotatedColumnElement(Annotated): """pull 'key' from parent, if not present""" return self._Annotated__element.key + @util.memoized_property + def info(self): + return self._Annotated__element.info # hard-generate Annotated subclasses. this technique # is used instead of on-the-fly types (i.e. type.__new__()) |