Python 将代码移动到Debian会导致;执行多条语句时使用multi=True“;错误语句
我一直在运行python脚本,在一台装有Ubuntu20.04LTS的机器上调用MySQL。我最近刚刚将这些脚本转移到运行Debian 10的服务器上 两台服务器都安装了MySQL 8.0.21。Python 3.7.3在Debian服务器上,Python 3.8.2在Ubuntu上。在Debian服务器上执行python脚本时,会收到以下错误消息: 执行多条语句时使用multi=True 我没有对代码做任何更改,所以我不确定为什么我会在Debian服务器上收到这条消息,但在Ubuntu服务器上没有 以下是脚本中导致错误的部分:Python 将代码移动到Debian会导致;执行多条语句时使用multi=True“;错误语句,python,python-3.x,mysql-python,Python,Python 3.x,Mysql Python,我一直在运行python脚本,在一台装有Ubuntu20.04LTS的机器上调用MySQL。我最近刚刚将这些脚本转移到运行Debian 10的服务器上 两台服务器都安装了MySQL 8.0.21。Python 3.7.3在Debian服务器上,Python 3.8.2在Ubuntu上。在Debian服务器上执行python脚本时,会收到以下错误消息: 执行多条语句时使用multi=True 我没有对代码做任何更改,所以我不确定为什么我会在Debian服务器上收到这条消息,但在Ubuntu服务器上
cursor = dbconn.cursor(dictionary=True)
# get next scheduled event to be aired
sql = "CALL GetEvent();"
cursor.execute(sql)
result = cursor.fetchone()
cursor.close()
if result:
eventtime = str(result["eventtime"])
# the max seconds we are going to wait is 60
init_waitseconds = timediffinseconds(eventtime)
if init_waitseconds > 61:
waitseconds = 60
else:
waitseconds = init_waitseconds
# wait for specified time
print_stdout(f"{bcolors.CGREEN}[EVENT_MONITOR]{bcolors.ENDC} Waiting for next scheduled event at {eventtime}")
time.sleep(waitseconds)
调用的存储过程如下所示:
CREATE DEFINER=`root`@`localhost` PROCEDURE `GetEvent`()
BEGIN
DECLARE v_DayName CHAR(9);
SET v_DayName := DAYNAME(CURRENT_DATE);
SELECT e.name, e.eventaction, e.data, e.extra, et.eventday, et.eventtime, et.recurring
FROM event e
INNER JOIN eventtime et ON et.eventID = e.ID
WHERE et.eventdate = CURDATE() AND et.recurring = 'No' AND e.enabled = 1 AND et.eventtime > CURRENT_TIME() OR
et.eventday = 'v_DayName' AND et.recurring = 'Yes' AND e.enabled = 1 AND et.eventtime > CURRENT_TIME() OR
et.eventday = 'Day' AND et.recurring = 'Yes' AND e.enabled = 1 AND et.eventtime > CURRENT_TIME() OR
CASE WHEN IsWeekday('v_DayName') = True THEN et.eventday = 'Mon-Fri' END AND e.enabled = 1 AND et.eventtime > CURRENT_TIME() OR
CASE WHEN IsWeekend('v_DayName') = True THEN et.eventday = 'Sat-Sun' END AND e.enabled = 1 AND et.eventtime > CURRENT_TIME()
ORDER BY et.eventtime
LIMIT 1;
END
此外,python脚本的这一部分也会导致相同的错误:
cursor = dbconn.cursor(dictionary=True)
# CheckQueueCount MySQL procedure retrieves how many tracks are currently in queuelist table
sql = "CALL CheckQueueCount"
cursor.execute(sql)
result = cursor.fetchone()
ret = result["QueueCount"]
cursor.close()
return ret
以及它调用的存储过程:
CREATE DEFINER=`root`@`localhost` PROCEDURE `CheckQueueCount`()
BEGIN
SELECT COUNT(ID) AS QueueCount FROM queuelist;
END
好的,我相信我解决了这个问题。我卸载了使用以下命令安装的连接器:
sudo pip3 install mysql-connector
而是将其安装为:
sudo pip3 install mysql-connector-python
错误已经消失。您使用哪个(Python)包连接到数据库?两台机器上的版本是否相同?我假设您指的是mysql连接器。如何检查它们以查看安装了哪些版本?
pip list | grep-I'mysql connector'
,注意使用正确版本的pip
。