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  • python中的sqlalchemy一些相关问题

    插入中文报错如下:

    File "E:/PYcharm/workDir/学习过程/mysql模块/sqlalche模块.py", line 41, in <module>
    data = session.query(User).filter_by().all()
    File "E:python3libsite-packagessqlalchemyormquery.py", line 2783, in all
    return list(self)
    File "E:python3libsite-packagessqlalchemyormquery.py", line 2934, in __iter__
    self.session._autoflush()
    File "E:python3libsite-packagessqlalchemyormsession.py", line 1434, in _autoflush
    self.flush()
    File "E:python3libsite-packagessqlalchemyormsession.py", line 2254, in flush
    self._flush(objects)
    File "E:python3libsite-packagessqlalchemyormsession.py", line 2380, in _flush
    transaction.rollback(_capture_exception=True)
    File "E:python3libsite-packagessqlalchemyutillanghelpers.py", line 66, in __exit__
    compat.reraise(exc_type, exc_value, exc_tb)
    File "E:python3libsite-packagessqlalchemyutilcompat.py", line 187, in reraise
    raise value
    File "E:python3libsite-packagessqlalchemyormsession.py", line 2344, in _flush
    flush_context.execute()
    File "E:python3libsite-packagessqlalchemyormunitofwork.py", line 391, in execute
    rec.execute(self)
    File "E:python3libsite-packagessqlalchemyormunitofwork.py", line 556, in execute
    uow
    File "E:python3libsite-packagessqlalchemyormpersistence.py", line 181, in save_obj
    mapper, table, insert)
    File "E:python3libsite-packagessqlalchemyormpersistence.py", line 866, in _emit_insert_statements
    execute(statement, params)
    File "E:python3libsite-packagessqlalchemyenginease.py", line 948, in execute
    return meth(self, multiparams, params)
    File "E:python3libsite-packagessqlalchemysqlelements.py", line 269, in _execute_on_connection
    return connection._execute_clauseelement(self, multiparams, params)
    File "E:python3libsite-packagessqlalchemyenginease.py", line 1060, in _execute_clauseelement
    compiled_sql, distilled_params
    File "E:python3libsite-packagessqlalchemyenginease.py", line 1200, in _execute_context
    context)
    File "E:python3libsite-packagessqlalchemyenginease.py", line 1416, in _handle_dbapi_exception
    util.reraise(*exc_info)
    File "E:python3libsite-packagessqlalchemyutilcompat.py", line 187, in reraise
    raise value
    File "E:python3libsite-packagessqlalchemyenginease.py", line 1193, in _execute_context
    context)
    File "E:python3libsite-packagessqlalchemyenginedefault.py", line 508, in do_execute
    cursor.execute(statement, parameters)
    File "E:python3libsite-packagespymysqlcursors.py", line 165, in execute
    result = self._query(query)
    File "E:python3libsite-packagespymysqlcursors.py", line 321, in _query
    conn.query(q)
    File "E:python3libsite-packagespymysqlconnections.py", line 858, in query
    sql = sql.encode(self.encoding, 'surrogateescape')
    UnicodeEncodeError: 'latin-1' codec can't encode characters in position 43-44: ordinal not in range(256)

    解决办法:

    一个警告信息:

    连接数据库用的是pymysql,个人感觉是版本问题吧。。。。

     出错信息:

    解决办法:

    将pymysql改成mysqlconnector即可解决此问题

    努力有用的话,还要天才做什么呢?
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  • 原文地址:https://www.cnblogs.com/crazy-xf/p/9216404.html
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