diff options
Diffstat (limited to 'lib/sqlalchemy/engine/default.py')
| -rw-r--r-- | lib/sqlalchemy/engine/default.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/sqlalchemy/engine/default.py b/lib/sqlalchemy/engine/default.py index 18c3276f8..b8c2d2845 100644 --- a/lib/sqlalchemy/engine/default.py +++ b/lib/sqlalchemy/engine/default.py @@ -178,6 +178,7 @@ class DefaultDialect(interfaces.Dialect): supports_right_nested_joins=None, case_sensitive=True, supports_native_boolean=None, + empty_in_strategy='static', label_length=None, **kwargs): if not getattr(self, 'ported_sqla_06', True): @@ -207,6 +208,17 @@ class DefaultDialect(interfaces.Dialect): self.supports_native_boolean = supports_native_boolean self.case_sensitive = case_sensitive + self.empty_in_strategy = empty_in_strategy + if empty_in_strategy == 'static': + self._use_static_in = True + elif empty_in_strategy in ('dynamic', 'dynamic_warn'): + self._use_static_in = False + self._warn_on_empty_in = empty_in_strategy == 'dynamic_warn' + else: + raise exc.ArgumentError( + "empty_in_strategy may be 'static', " + "'dynamic', or 'dynamic_warn'") + if label_length and label_length > self.max_identifier_length: raise exc.ArgumentError( "Label length of %d is greater than this dialect's" |