Microsoft SQL Server 不会更新使用 Python 插入的数据

Question

我正在尝试通过 Python 更新 SQL Server 表。但不幸的是它没有更新。

我收到消息成功，但没有更新数据。

如果我从 SQL Server 中调用相同的 SQL 脚本，它会正确更新。

让我向您展示我的脚本：这是我的 Python 代码：

            import pyodbc
            import pandas as pd
            import sys
            records = [
                ['22DTHA13', 'CNTT khóa 22 lớp 4', 60],
                ['22DTHA14', 'CNTT khóa 22 lớp 5', 70],
            ]
            server = 'GIGABYTECUAT\\SQLEXPRESS'
            database = 'BAI02_QLSV1'
            username = ''
            password = ''
            connection_String = f'DRIVER={{SQL Server}};SERVER={server};DATABASE = {database};UID={username};password = {password};TRUST_CONNECTION = yes;'

            try:
                conn = pyodbc.connect(connection_String)
            except Exception as e:
                print(e)
                print("Task is terminated")
                sys.exit()
            else:
                cusor = conn.cursor()

            insert_statement = """
                INSERT INTO LOP VALUES (?, ?, ?)
            """
            try:
                for record in records:
                    print(record)
                    cusor.execute(insert_statement, record)
                cusor.execute("SELECT * FROM LOP WHERE SISO >=50")
                rows = cusor.fetchall()
                for row in rows:
                    print(row)
                cusor.commit()
            except Exception as e:
                #cusor.rollback()
                print(f'Error: {e}')
                #print("transaction rolled back")
            else:
                print("record inserted successfully")
                cusor.commit()
                cusor.close()
            finally:
                
                if conn:
                    print('connection closed')
                    conn.close()

            

数据在终端中更新，但不在 MSSM 的 LOP 表中

Answer 1

尝试在“for record in reports”中执行插入语句后调用cursor.commit()。您只能在 select 语句之后调用它。