python--pymssql连接mssql

本文展示了一个使用PyMSSQL连接SQL Server数据库并查询数据的例子。通过该示例可以了解如何建立数据库连接、执行SQL语句及处理查询结果。但注意ntext和nvarchar类型字段存在问题。
import pymssql

if __name__ == "__main__":
    
    
    conn = pymssql.connect(host='192.168.1.111', user='sa', password='password', database='Northwind')
    cur = conn.cursor()
    
    
    cur.execute('select EmployeeID,BirthDate,City from Employees')
    row = cur.fetchone()
    while row:
        print "ID=%d, Name=%s,city=%s" % (row[0], row[1],row[2])
        row = cur.fetchone()

    
   
    conn.close()

 

l连接正常,速度不慢,就1个问题,ntext,nvarchar不得行,出错,找了找,windows的c库问题,解决办法9009le一下去吧

(venv) gapinyc@DESKTOP-9QS7RL5:~/superset$ pip install --no-binary :all: pymssql Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple/ Collecting pymssql Downloading https://pypi.tuna.tsinghua.edu.cn/packages/20/1c/1980c9e14e6ab6db4c775d92bf517b70bcafcfbc56eb5b58e2ee81744d4c/pymssql-2.3.8.tar.gz (185 kB) Installing build dependencies ... done Getting requirements to build wheel ... done Preparing metadata (pyproject.toml) ... done Building wheels for collected packages: pymssql Building wheel for pymssql (pyproject.toml) ... error error: subprocess-exited-with-error × Building wheel for pymssql (pyproject.toml) did not run successfully. │ exit code: 1 ╰─> [45 lines of output] /tmp/pip-build-env-8uiu4bcy/overlay/lib/python3.10/site-packages/setuptools_scm/_integration/version_inference.py:51: UserWarning: version of None already set warnings.warn(self.message) setup.py: BITNESS='64' setup.py: prefix='/usr/local' setup.py: platform.system() => Linux setup.py: platform.architecture() => ('64bit', 'ELF') setup.py: platform.libc_ver() => ('glibc', '2.35') setup.py: include_dirs => ['/usr/local/include'] setup.py: library_dirs => ['/usr/local/lib'] running bdist_wheel running build running build_py creating build/lib.linux-x86_64-cpython-310/pymssql copying src/pymssql/__init__.py -> build/lib.linux-x86_64-cpython-310/pymssql copying src/pymssql/exceptions.py -> build/lib.linux-x86_64-cpython-310/pymssql running egg_info writing src/pymssql.egg-info/PKG-INFO writing dependency_links to src/pymssql.egg-info/dependency_links.txt writing top-level names to src/pymssql.egg-info/top_level.txt listing git files failed - pretending there aren't any reading manifest file 'src/pymssql.egg-info/SOURCES.txt' reading manifest template 'MANIFEST.in' adding license file 'LICENSE' writing manifest file 'src/pymssql.egg-info/SOURCES.txt' copying src/pymssql/__init__.pyi -> build/lib.linux-x86_64-cpython-310/pymssql copying src/pymssql/_mssql.pxd -> build/lib.linux-x86_64-cpython-310/pymssql copying src/pymssql/_mssql.pyi -> build/lib.linux-x86_64-cpython-310/pymssql copying src/pymssql/_mssql.pyx -> build/lib.linux-x86_64-cpython-310/pymssql copying src/pymssql/_pymssql.pyi -> build/lib.linux-x86_64-cpython-310/pymssql copying src/pymssql/_pymssql.pyx -> build/lib.linux-x86_64-cpython-310/pymssql copying src/pymssql/exceptions.pyi -> build/lib.linux-x86_64-cpython-310/pymssql copying src/pymssql/py.typed -> build/lib.linux-x86_64-cpython-310/pymssql copying src/pymssql/sqlfront.pxd -> build/lib.linux-x86_64-cpython-310/pymssql copying src/pymssql/version.h -> build/lib.linux-x86_64-cpython-310/pymssql running build_ext Compiling src/pymssql/_mssql.pyx because it changed. [1/1] Cythonizing src/pymssql/_mssql.pyx building 'pymssql._mssql' extension creating build/temp.linux-x86_64-cpython-310/src/pymssql x86_64-linux-gnu-gcc -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -fPIC -I/usr/local/include -I/home/gapinyc/superset/venv/include -I/usr/include/python3.10 -c src/pymssql/_mssql.c -o build/temp.linux-x86_64-cpython-310/src/pymssql/_mssql.o -DMSDBLIB -std=c99 x86_64-linux-gnu-gcc -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-Bsymbolic-functions -g -fwrapv -O2 build/temp.linux-x86_64-cpython-310/src/pymssql/_mssql.o -L/usr/local/lib -L/usr/lib/x86_64-linux-gnu -lsybdb -lgssapi_krb5 -lkrb5 -lssl -lcrypto -o build/lib.linux-x86_64-cpython-310/pymssql/_mssql.cpython-310-x86_64-linux-gnu.so /usr/bin/ld: cannot find -lgssapi_krb5: No such file or directory /usr/bin/ld: cannot find -lkrb5: No such file or directory collect2: error: ld returned 1 exit status error: command '/usr/bin/x86_64-linux-gnu-gcc' failed with exit code 1 [end of output] note: This error originates from a subprocess, and is likely not a problem with pip. ERROR: Failed building wheel for pymssql Failed to build pymssql error: failed-wheel-build-for-install × Failed to build installable wheels for some pyproject.toml based projects ╰─> pymssql (venv) gapinyc@DESKTOP-9QS7RL5:~/superset$
最新发布
11-06
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