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-rw-r--r--lib/sqlalchemy/engine/default.py9
1 files changed, 4 insertions, 5 deletions
diff --git a/lib/sqlalchemy/engine/default.py b/lib/sqlalchemy/engine/default.py
index 06409377c..2f6283b5d 100644
--- a/lib/sqlalchemy/engine/default.py
+++ b/lib/sqlalchemy/engine/default.py
@@ -24,14 +24,13 @@ class PoolConnectionProvider(base.ConnectionProvider):
class DefaultDialect(base.Dialect):
"""default implementation of Dialect"""
- def __init__(self, convert_unicode=False, encoding='utf-8', **kwargs):
+ def __init__(self, convert_unicode=False, encoding='utf-8', default_paramstyle='named', **kwargs):
self.convert_unicode = convert_unicode
self.supports_autoclose_results = True
self.encoding = encoding
self.positional = False
- self.paramstyle = 'named'
self._ischema = None
- self._figure_paramstyle()
+ self._figure_paramstyle(default=default_paramstyle)
def create_execution_context(self):
return DefaultExecutionContext(self)
def type_descriptor(self, typeobj):
@@ -90,14 +89,14 @@ class DefaultDialect(base.Dialect):
parameters = parameters.get_raw_dict()
return parameters
- def _figure_paramstyle(self, paramstyle=None):
+ def _figure_paramstyle(self, paramstyle=None, default='named'):
db = self.dbapi()
if paramstyle is not None:
self._paramstyle = paramstyle
elif db is not None:
self._paramstyle = db.paramstyle
else:
- self._paramstyle = 'named'
+ self._paramstyle = default
if self._paramstyle == 'named':
self.positional=False