diff options
Diffstat (limited to 'lib/sqlalchemy/sql/elements.py')
| -rw-r--r-- | lib/sqlalchemy/sql/elements.py | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/sqlalchemy/sql/elements.py b/lib/sqlalchemy/sql/elements.py index 47739a37d..bb68e8a7e 100644 --- a/lib/sqlalchemy/sql/elements.py +++ b/lib/sqlalchemy/sql/elements.py @@ -422,8 +422,8 @@ class ClauseElement( return self - @util.dependencies("sqlalchemy.engine.default") - def compile(self, default, bind=None, dialect=None, **kw): + @util.preload_module("sqlalchemy.engine.default") + def compile(self, bind=None, dialect=None, **kw): """Compile this SQL expression. The return value is a :class:`~.Compiled` object. @@ -477,6 +477,7 @@ class ClauseElement( """ + default = util.preloaded.engine_default if not dialect: if bind: dialect = bind.dialect @@ -1782,8 +1783,8 @@ class TextClause( else: new_params[key] = existing._with_value(value) - @util.dependencies("sqlalchemy.sql.selectable") - def columns(self, selectable, *cols, **types): + @util.preload_module("sqlalchemy.sql.selectable") + def columns(self, *cols, **types): r"""Turn this :class:`.TextClause` object into a :class:`.TextualSelect` object that serves the same role as a SELECT statement. @@ -1888,6 +1889,7 @@ class TextClause( argument as it also indicates positional ordering. """ + selectable = util.preloaded.sql_selectable positional_input_cols = [ ColumnClause(col.key, types.pop(col.key)) if col.key in types |