Before Connector/Python 9.2.0, the multi option was required to execute multiple statements. This option provided inconsistent results and was removed in 9.2.0. Basic usage example: sql_operation = """ SET @a=1, @b='2024-02-01'; SELECT @a, LENGTH('hello'), @b; SELECT @@version; ...
importmysql.connector# 连接到MySQL数据库defcreate_connection():connection=mysql.connector.connect(host='localhost',user='your_username',password='your_password',database='your_database')returnconnection# 执行多条SQL语句defexecute_multiple_statements():connection=create_connection()cursor=connection.cursor(...
下面是一个使用存储过程执行多条语句的示例: DELIMITER//CREATEPROCEDUREexecute_multiple_statements()BEGINSELECT*FROMusers;SELECT*FROMorders;END//DELIMITER;CALLexecute_multiple_statements(); 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 上面的代码中,我们首先使用DELIMITER关键字指定存储过程的分隔符为//,...
/* connect to server with the CLIENT_MULTI_STATEMENTS option */if(mysql_real_connect(mysql,host_name,user_name,password,db_name,port_num,socket_name,CLIENT_MULTI_STATEMENTS)==NULL){printf("mysql_real_connect() failed\n");mysql_close(mysql);exit(1);}/* execute multiple statements */status...
1, $mysqli does not like executing commands after looping through a resultset, for some reason. 2, was more simple yet subtle--when building the 3rd query (based on results from query #2) I appended a "" to the end of the $sql so I could echo it cleanly. But of course it thr...
cur.execute(sql) conn.commit() 2. 报错截图 1. 3. 原因及解决方法 1. pymysql在8.0版本以前(不包含8.0)是默认可以同时执行多条sql语句的,但是在8.0之后不再设置为默认,需要手动配置2. 配置方法是在获取数据连接时,配置参数 client_flag=CLIENT.MULTI_STATEMENTS ...
{ ExecuteInsertStatements(); Console.ReadKey(); } private static MySqlConnection GetConnection() { var factory = MySqlClientFactory.Instance; if (!(factory.CreateConnection() is MySqlConnection connection)) throw new Exception("Could not get database connection from client factory"); connection....
COM_EXECUTE 消息报文 功能:执行预处理语句。 COM_LONG_DATA 消息报文 该消息报文有两种形式,一种用于发送二进制数据,另一种用于发送文本数据。 功能:用于发送二进制(BLOB)类型的数据(调用mysql_stmt_send_long_data函数)。 功能:用于发送超长字符串类型的数据(调用mysql_send_long_data函数) ...
Setup I am reporting a problem with Biopython version 1.70.dev0, Python version PyPy 5.8.0, under TravisCI: https://travis-ci.org/peterjc/biopython/jobs/335109271 Expected behaviour Test pass, as seen with PyPy 5.7.1, e.g. pypy-nocov ins...
I am getting InterfaceError when I enable get_warnings and execute a query with multiple statements. I can't isolate the problem to an error in my own code so suspect a bug in the connector. Connector version is mysql-connector-python-8.0.17 but 8.0.16 has the same issue. ...