不通过 pyodbc 中的 sp_detach_db 分离数据库

Does not detach database by sp_detach_db in pyodbc

我正在尝试分离数据库,但由于某种原因它没有正确分离,我是不是遗漏了什么?

import pyodbc
params = 'DRIVER={SQL Server};SERVER=.\RISKSPEC_PSA2012;DATABASE=master;UID=sa;Pwd=sa_pasw;Trusted_Connection=yes;'
try:
    with pyodbc.connect(params) as cnxn:
        with cnxn.cursor() as cursor:
            cnxn.autocommit = True
            cursor.execute(
                '''
                USE [master];
                ALTER DATABASE [sss] SET SINGLE_USER WITH NO_WAIT;
                EXEC sp_detach_db @dbname=sss;
                ''')
except pyodbc.Error as ex:
    QMessageBox.warning(self, 'pyodbc', ex.args[0])

SQLServer 2012版本:11.0.2100

pyodbc 版本:4.0.31

感谢 Gord Thompson 的小费。

修复:

  • 用 NO_WAIT 设置 SINGLE_USER -> SET TRUSTWORTHY ON
  • 从连接参数中删除“Trusted_Connection=yes;”,它关联系统用户而不是“sa”用户。
import pyodbc
params = 'DRIVER={SQL Server};SERVER=.\RISKSPEC_PSA2012;DATABASE=master;UID=sa;Pwd=sa_pasw;'
    try:
        with pyodbc.connect(params) as cnxn:
            cnxn.autocommit = True
            with cnxn.cursor() as cursor:
                cursor.execute(
                    '''
                    USE [master];
                    ALTER DATABASE [sss] SET TRUSTWORTHY ON;
                    EXEC sp_detach_db @dbname=sss;
                    ''')
    except pyodbc.Error as ex:
        QMessageBox.warning(self, 'pyodbc', ex.args[0])