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[英]Creating a connection to Vertica database in python using adodbapi
[英]Unable to make database connection using python adodbapi library
我正在嘗試使用 python 庫adodbapi
和 最新的OLEDB
提供程序使用以下代碼建立 SQL Server 數據庫連接 -
import adodbapi
import configparser
def try_connection():
_SERVER_NAME = "SERVERNAME"
_DATABASE = "TESTDB"
_USERNAME = "TERSTUSER"
_PASSWORD = "TESTPWD"
conn = adodbapi.connect("PROVIDER=MSOLEDBSQL;Data Source={0};Database={1};UID={2};PWD={3};".format(_SERVER_NAME,_DATABASE,_USERNAME,_PASSWORD))
cursor = conn.cursor()
print( try_connection() )
但是,我無法建立連接。 我遇到了無法弄清楚的巨大跟蹤錯誤:
Traceback (most recent call last):
File "C:\Program Files (x86)\Python 3.5\lib\site-packages\adodbapi\adodbapi.py", line 97, in make_COM_connecter
c = Dispatch('ADODB.Connection') #connect _after_ CoIninialize v2.1.1 adamvan
NameError: name 'Dispatch' is not defined
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "C:\Program Files (x86)\Python 3.5\lib\site-packages\adodbapi\adodbapi.py", line 116, in connect
co.connect(kwargs)
File "C:\Program Files (x86)\Python 3.5\lib\site-packages\adodbapi\adodbapi.py", line 266, in connect
self.connector = connection_maker()
File "C:\Program Files (x86)\Python 3.5\lib\site-packages\adodbapi\adodbapi.py", line 99, in make_COM_connecter
raise api.InterfaceError ("Windows COM Error: Dispatch('ADODB.Connection') failed.")
adodbapi.apibase.InterfaceError: Windows COM Error: Dispatch('ADODB.Connection') failed.
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "TestAdodb.py", line 41, in <module>
print( try_connection() )
File "TestAdodb.py", line 18, in try_connection
conn = adodbapi.connect("PROVIDER=MSOLEDBSQL;Data Source={0};Database={1};UID={2};PWD={3};".format(_SERVER_NAME,_DATABASE,_USERNAME,_PASSWORD))
File "C:\Program Files (x86)\Python 3.5\lib\site-packages\adodbapi\adodbapi.py", line 120, in connect
raise api.OperationalError(e, message)
adodbapi.apibase.OperationalError: (InterfaceError("Windows COM Error: Dispatch('ADODB.Connection') failed.",), 'Error opening connection to "PROVIDER=MSOLEDBSQL;Data Source=SERVERNAME;Database=TESTDB;UID=TERSTUSER;PWD=TESTPWD;"')
請任何人都可以讓我知道我的連接字符串中有什么問題/缺失嗎?
從pypi引用這個,
先決條件:
- C Python 2.7 或 3.5 或更高版本和 pywin32(Mark Hammond's python for windows extensions。)或 Iron Python 2.7 或更高版本。 (適用於除 BUFFER 之外的所有數據類型的 IPy2.0)
安裝:
- (Windows 上的 C-Python):安裝 pywin32(“pip install pywin32”),其中包括 adodbapi。
- (Windows 上的 IronPython):從http://sf.net/projects/adodbapi下載 adodbapi。 打開拉鏈。 以管理員身份打開命令窗口。 CD 到包含解壓縮文件的文件夾。 使用您選擇的 IronPython 運行“setup.py install”。
您是否安裝了adodbapi
庫的所有先決條件?
如果我沒有安裝pywin32
庫,我能夠重現該錯誤。
使用以下命令安裝pywin32
庫:
pip install pywin32
我正在嘗試使用下面的代碼使用python庫adodbapi
和 最新的OLEDB
提供程序進行SQL Server數據庫連接-
import adodbapi
import configparser
def try_connection():
_SERVER_NAME = "SERVERNAME"
_DATABASE = "TESTDB"
_USERNAME = "TERSTUSER"
_PASSWORD = "TESTPWD"
conn = adodbapi.connect("PROVIDER=MSOLEDBSQL;Data Source={0};Database={1};UID={2};PWD={3};".format(_SERVER_NAME,_DATABASE,_USERNAME,_PASSWORD))
cursor = conn.cursor()
print( try_connection() )
但是,我無法建立聯系。 我遇到了無法確定的巨大跟蹤錯誤:
Traceback (most recent call last):
File "C:\Program Files (x86)\Python 3.5\lib\site-packages\adodbapi\adodbapi.py", line 97, in make_COM_connecter
c = Dispatch('ADODB.Connection') #connect _after_ CoIninialize v2.1.1 adamvan
NameError: name 'Dispatch' is not defined
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "C:\Program Files (x86)\Python 3.5\lib\site-packages\adodbapi\adodbapi.py", line 116, in connect
co.connect(kwargs)
File "C:\Program Files (x86)\Python 3.5\lib\site-packages\adodbapi\adodbapi.py", line 266, in connect
self.connector = connection_maker()
File "C:\Program Files (x86)\Python 3.5\lib\site-packages\adodbapi\adodbapi.py", line 99, in make_COM_connecter
raise api.InterfaceError ("Windows COM Error: Dispatch('ADODB.Connection') failed.")
adodbapi.apibase.InterfaceError: Windows COM Error: Dispatch('ADODB.Connection') failed.
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "TestAdodb.py", line 41, in <module>
print( try_connection() )
File "TestAdodb.py", line 18, in try_connection
conn = adodbapi.connect("PROVIDER=MSOLEDBSQL;Data Source={0};Database={1};UID={2};PWD={3};".format(_SERVER_NAME,_DATABASE,_USERNAME,_PASSWORD))
File "C:\Program Files (x86)\Python 3.5\lib\site-packages\adodbapi\adodbapi.py", line 120, in connect
raise api.OperationalError(e, message)
adodbapi.apibase.OperationalError: (InterfaceError("Windows COM Error: Dispatch('ADODB.Connection') failed.",), 'Error opening connection to "PROVIDER=MSOLEDBSQL;Data Source=SERVERNAME;Database=TESTDB;UID=TERSTUSER;PWD=TESTPWD;"')
請任何人讓我知道我的連接字符串出了什么問題/丟失了嗎?
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