diff options
Diffstat (limited to 'lib/sqlalchemy/sql')
| -rw-r--r-- | lib/sqlalchemy/sql/coercions.py | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql/coercions.py b/lib/sqlalchemy/sql/coercions.py index dce329352..f888bad4c 100644 --- a/lib/sqlalchemy/sql/coercions.py +++ b/lib/sqlalchemy/sql/coercions.py @@ -191,7 +191,6 @@ def expect( resolved = element else: resolved = element - if ( apply_propagate_attrs is not None and not apply_propagate_attrs._propagate_attrs @@ -843,6 +842,28 @@ class ReturnsRowsImpl(RoleImpl): class StatementImpl(_CoerceLiterals, RoleImpl): __slots__ = () + def _post_coercion(self, resolved, original_element, argname=None, **kw): + if resolved is not original_element and not isinstance( + original_element, util.string_types + ): + # use same method as Connection uses; this will later raise + # ObjectNotExecutableError + try: + original_element._execute_on_connection + except AttributeError: + util.warn_deprecated( + "Object %r should not be used directly in a SQL statement " + "context, such as passing to methods such as " + "session.execute(). This usage will be disallowed in a " + "future release. " + "Please use Core select() / update() / delete() etc. " + "with Session.execute() and other statement execution " + "methods." % original_element, + "1.4", + ) + + return resolved + def _implicit_coercions( self, original_element, resolved, argname=None, **kw ): |