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-rw-r--r--lib/sqlalchemy/databases/mssql.py9
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/sqlalchemy/databases/mssql.py b/lib/sqlalchemy/databases/mssql.py
index 242fc5efb..a3d80c678 100644
--- a/lib/sqlalchemy/databases/mssql.py
+++ b/lib/sqlalchemy/databases/mssql.py
@@ -1056,8 +1056,9 @@ class MSSQLDialect(default.DefaultDialect):
return newobj
def do_begin(self, connection):
- connection.execute("SET IMPLICIT_TRANSACTIONS OFF")
- connection.execute("BEGIN TRANSACTION")
+ cursor = connection.cursor()
+ cursor.execute("SET IMPLICIT_TRANSACTIONS OFF")
+ cursor.execute("BEGIN TRANSACTION")
@base.connection_memoize(('dialect', 'default_schema_name'))
def get_default_schema_name(self, connection):
@@ -1304,6 +1305,9 @@ class MSSQLDialect_pymssql(MSSQLDialect):
def is_disconnect(self, e):
return isinstance(e, self.dbapi.DatabaseError) and "Error 10054" in str(e)
+ def do_begin(self, connection):
+ pass
+
class MSSQLDialect_pyodbc(MSSQLDialect):
supports_sane_rowcount = False
@@ -1430,6 +1434,7 @@ class MSSQLDialect_adodbapi(MSSQLDialect):
def is_disconnect(self, e):
return isinstance(e, self.dbapi.adodbapi.DatabaseError) and "'connection failure'" in str(e)
+
dialect_mapping = {
'pymssql': MSSQLDialect_pymssql,
'pyodbc': MSSQLDialect_pyodbc,