sql =
"""
update BaseInfo_dailyinfo_temp set open=26.88,close=32.86,high=32.86,low=26.88,exchange_rate=21.83,data_date='2021-07-05',exchange_amount=715182688.0,
exchange_quantity=231947,price_change_amount=5.48,price_change_rate=20.01,update_time='2021-07-05 15:37:34' where code_id=1234;
update BaseInfo_dailyinfo_temp set open=19.11,close=21.6,high=21.6,low=18.51,exchange_rate=26.22,data_date='2021-07-05',exchange_amount=1309556816.0,
exchange_quantity=655858,price_change_amount=3.6,price_change_rate=20.0,update_time='2021-07-05 15:37:34' where code_id=352;
"""
conn
= pymysql.Connect(user=
'
root
'
, password=
'
123
'
, host=
'
127.0.0.1
'
, db=
'
stockAnalysis
'
, port=3306
)
cur
=
conn.cursor()
cur.execute(sql)
conn.commit()
2. 报错截图
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
4. 更改后的代码
import pymysql
-- 导入模块
from pymysql.constants import CLIENT
sql = """
update BaseInfo_dailyinfo_temp set open=26.88,close=32.86,high=32.86,low=26.88,exchange_rate=21.83,data_date='2021-07-05',exchange_amount=715182688.0,
exchange_quantity=231947,price_change_amount=5.48,price_change_rate=20.01,update_time='2021-07-05 15:37:34' where code_id=1234;
update BaseInfo_dailyinfo_temp set open=19.11,close=21.6,high=21.6,low=18.51,exchange_rate=26.22,data_date='2021-07-05',exchange_amount=1309556816.0,
exchange_quantity=655858,price_change_amount=3.6,price_change_rate=20.0,update_time='2021-07-05 15:37:34' where code_id=352;"""
conn = pymysql.Connect(user='root', password='123', host='127.0.0.1', db='stockAnalysis', port=3306, client_flag=CLIENT.MULTI_STATEMENTS) # 添加client_flag参数
cur = conn.cursor() cur.execute(sql) conn.commit()
参考地址:
https://stackoverflow.com/questions/58544640/pymysql-unable-to-execute-multiple-queries