[英]Not able to Commit data to database (using Python flask MySQL) even after using connection.commit()
尽管在 Python 烧瓶中使用了 connection.commit(),但我的数据并未存储在 db 中。 这是我的代码:
from flask import Flask
from flaskext.mysql import MySQL
app = Flask(__name__)
def getMysqlConnection():
mysql = MySQL()
app.config['MYSQL_DATABASE_USER'] = "user_name"
app.config['MYSQL_DATABASE_PASSWORD'] = "pass_string"
app.config['MYSQL_DATABASE_DB'] = "db_name"
app.config['MYSQL_DATABASE_HOST'] = "hostname"
mysql.init_app(app)
connection = mysql.connect()
cursor = connection.cursor()
return {"cursor":cursor,"connection":connection}
cursor = getMysqlConnection()['cursor'] #####global variables####
connection = getMysqlConnection()['connection']
def main_function():
cursor.execute("Insert into table_name "
"(col1,col2,col3,col4) "
"Values (%s,%s,%s,%s,%s,%s)",
(val1,vla2,val3,val4)
)
connection.commit()
这不是在数据库中保存代码,我不知道为什么。
会不会是下面的代码对数据库连接进行了两次初始化?
cursor = getMysqlConnection()['cursor'] #####global variables####
connection = getMysqlConnection()['connection']
尝试
db = getMysqlConnection()
cursor = db['cursor']
connection = db['connection']
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