成功解决( python3+sqlalchemy+pymysql 的 pandas read_sql() 方法从 MySQL 查询中读取数据报错)AttributeError: ‘Engine‘ object has no attribute ‘execution_options‘
报错代码
我的代码:
import pandas
import sqlalchemy
engine = sqlalchemy.create_engine('mssql+pymssql://用户名:密码@地址:端口号/表名')
sql = "select max(rid) as maxrid FROM student "
df = pandas.read_sql(sql=sql, con=engine)
print(df)
报错信息:
return self.connectable.execution_options().execute(*args, **kwargs)
AttributeError: 'Engine' object has no attribute 'execution_options'
报错原因
报错内容翻译:
AttributeError:“引擎”对象没有属性“execution\u options”
解决方法
传递“连接”变量而不是“引擎”
import pandas
import sqlalchemy
engine = sqlalchemy.create_engine('mssql+pymssql://用户名:密码@地址:端口号/表名')
sql = "select max(rid) as maxrid FROM student "
connection = engine.connect()
df = pandas.read_sql(sql=sql, con=connection)
print(df)
运行成功:
maxrid
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