diff options
Diffstat (limited to 'lib/sqlalchemy/databases')
| -rw-r--r-- | lib/sqlalchemy/databases/access.py | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/sqlalchemy/databases/access.py b/lib/sqlalchemy/databases/access.py index ec16d6611..3c06822ae 100644 --- a/lib/sqlalchemy/databases/access.py +++ b/lib/sqlalchemy/databases/access.py @@ -5,8 +5,8 @@ # This module is part of SQLAlchemy and is released under # the MIT License: http://www.opensource.org/licenses/mit-license.php -import sys, string, re, datetime, random -from sqlalchemy import sql, engine, schema, ansisql, types, exceptions, pool +import random +from sqlalchemy import sql, schema, ansisql, types, exceptions, pool import sqlalchemy.engine.default as default @@ -149,6 +149,7 @@ class AccessExecutionContext(default.DefaultExecutionContext): super(AccessExecutionContext, self).post_exec() +const, daoEngine = None, None class AccessDialect(ansisql.ANSIDialect): colspecs = { types.Unicode : AcUnicode, @@ -180,8 +181,9 @@ class AccessDialect(ansisql.ANSIDialect): win32com.client.gencache.EnsureModule('{00025E01-0000-0000-C000-000000000046}', 0, 5, 0) global const, daoEngine - const = win32com.client.constants - daoEngine = win32com.client.Dispatch('DAO.DBEngine.36') + if const is None: + const = win32com.client.constants + daoEngine = win32com.client.Dispatch('DAO.DBEngine.36') import pyodbc as module return module |