I'd first recommend creating a real ODBC datasource, since that's how ODBC is
meant to be used. Then you can try connecting to it using ODBC test tools
(such as on my Mac here, I have a program called iodbctest which tests an
ODBC datasource) and then perhaps creating a plain pyodbc connection to it.
On Nov 27, 2012, at 9:30 AM, Massi wrote:
Hi everyone, as the title says I'm trying to run sqlalchemy (pyodbc) with SQL
Server 2008 on Windows Server 2008 R2 sp1 but I'm failing with the database
connection. Here is a small script I'm using to test the connection:
from sqlalchemy import *
from sqlalchemy.engine import reflection
url = mssql+pyodbc://user:password@my.server.address/server_test
e = create_engine(url)
insp = reflection.Inspector.from_engine(e)
print insp.get_table_names()
If I the script I get the following error:
Traceback (most recent call last):
File connection.py, line 6, in module
File C:\Python27\lib\site-packages\sqlalchemy\engine\reflection.py, line
118
, in from_engine
return Inspector(bind)
File C:\Python27\lib\site-packages\sqlalchemy\engine\reflection.py, line
94,
in __init__
bind.connect().close()
File C:\Python27\lib\site-packages\sqlalchemy\engine\base.py, line 2316,
in
connect
return self._connection_cls(self, **kwargs)
File C:\Python27\lib\site-packages\sqlalchemy\engine\base.py, line 872,
in _
_init__
self.__connection = connection or engine.raw_connection()
File C:\Python27\lib\site-packages\sqlalchemy\engine\base.py, line 2402,
in
raw_connection
return self.pool.unique_connection()
File C:\Python27\lib\site-packages\sqlalchemy\pool.py, line 169, in
unique_c
onnection
return _ConnectionFairy(self).checkout()
File C:\Python27\lib\site-packages\sqlalchemy\pool.py, line 371, in
__init__
rec = self._connection_record = pool._do_get()
File C:\Python27\lib\site-packages\sqlalchemy\pool.py, line 697, in
_do_get
con = self._create_connection()
File C:\Python27\lib\site-packages\sqlalchemy\pool.py, line 174, in
_create_
connection
return _ConnectionRecord(self)
File C:\Python27\lib\site-packages\sqlalchemy\pool.py, line 256, in
__init__
self.connection = self.__connect()
File C:\Python27\lib\site-packages\sqlalchemy\pool.py, line 316, in
__connec
t
connection = self.__pool._creator()
File C:\Python27\lib\site-packages\sqlalchemy\engine\strategies.py, line
80,
in connect
return dialect.connect(*cargs, **cparams)
File C:\Python27\lib\site-packages\sqlalchemy\engine\default.py, line
280, i
n connect
return self.dbapi.connect(*cargs, **cparams)
sqlalchemy.exc.DBAPIError: (Error) ('08001', '[08001] [Microsoft][ODBC SQL
Serve
r Driver][DBNETLIB]Invalid connection. (14) (SQLDriverConnect); [01000]
[Microso
ft][ODBC SQL Server Driver][DBNETLIB]ConnectionOpen (Invalid Instance()).
(14)')
None None
The connection tested with SQL Server Management Studio works fine, so it
should not be an authentication problem.
Has anyone an idea of what I'm doing wrong?
Thanks in advance!
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