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Mysql.connector.errors.interfaceerror No Result Set to Fetch From

Copying the first two lines 890 and 891 from the fetchall method body in the site-packagesmysqlconnectorcursorpy file to the start of the fetchone and fetchmany methods bodies in the same file resolves the bug. File CUsersAnubhabAnaconda3libsite-packagesmysqlconnectorcursor_cextpy line 489 in fetchall raise errorsInterfaceErrorNo result set to fetch from InterfaceError.


Python And Mysql Fetchall Doesn T Show Any Result Stack Overflow

Getting the result of a stored procedure after calling cursorcallproc depends on these factors.

. So why dont fetchone and fetchmany raise an exception like fetchall. Whether the result consists of a single row or a result set or result sets the python package used to make the call. 若是没有数据则会抛出异常 raise errorsInterfaceError No result set to fetch from 所以 mysqlconnector的fetcall 不能处理空数据 cursorfetchmany size 1 或者 指定size 返回多行 fetchone cursorfetchone 或者 None 而我们平常使用的MySQLdb三个方法也类似不过MySQLdb的fectchall 可以处理空数据 CoLiuRs 关注 0 0 1 专栏目录 python 操作.

No result set to fetch from. Raise errorsInternalErrorUnread result foundmysqlconnectorerrorsInternalError. Return mysqlconnectorconnectuseruser passwordpassword hostlocalhost databasedatabase except mysqlconnectorError as err.

Python MySQL connector - unread result found when using fetchone All that was required was for buffered to be set to true. -- 489 raise errorsInterfaceError No result set to fetch from 490 rows self_cnxget_rows 491. Ive already found another question dealing with the same issue however the OP was not dealing with multiple statements.

Raise StopIteration return row def close self. The issue seems similar to MySQL Unread Result with Python. Whether the result of calling the procedure is assigned to an INOUT or OUT parameter.

所以 mysqlconnector 的 fetcall 不能处理空数据. Args -1 No result set to fetch from None errno -1 msg No result set to fetch from sqlstate None with_traceback built-in method with_traceback of InterfaceError object. File line 1 in.

Import mysqlconnector from mysqlconnector import errorcode def get_db_connectionuser password database. If the query is indeed too complex can anyone advise how best to split this. If errerrno errorcodeER_ACCESS_DENIED_ERROR.

No result set to fetch from. Raise errorsInterfaceErrorNo result set to fetch from mysqlconnectorerrorsInterfaceError. Cursorfetchmany size 1 或者 指定 size 返回多行 fetchone.

Cursorfetchone 或者 None. I did not call the fetchall function twice which caused the issue in that case unlike the duplicate suggestion. DanacondaAnacondalibsite-packagesmysqlconnectorcursor_cextpy in fetchall self 487.

Cursor cnxcursor bufferedTrue The reason is that without a buffered cursor the results are lazily loaded meaning that fetchone actually only fetches one row from the full result set of the query. Import mysqlconnector as mc conn mcconnectdatabasetest cur conncursor curfetchall Traceback most recent call last. If not self_have_unread_result.

Raise errorsInternalErrorUnread result found mysqlconnectorerrorsInternalError. No result set to fetch from. 488 if not self_cnxunread_result.

在用python操作mysql数据库时碰到了下面这两个函数标记一下fetchone 返回单个的元组也就是一条记录row如果没有结果 则返回 Nonefetchall 返回多个元组即返回多个记录rows如果没有结果 则返回 需要注明在MySQL中是NULL而在Python中则是None用法如下所示fetchone用法curexecute. Result cursorfetchall File CUsersthethAppDataLocalProgramsPythonPython38-32libsite-packagesmysqlconnectorcursorpy line 895 in fetchall. 复制 这个问题似乎与 MySQL Unread Result with Python 类似.

Is the query too complex and needs splitting or is there another issue. But when I go through the MySQL workbench and run the same query using the same input value it returns the one row im looking for so its definitely. An Error or subclass exception is raised if the previous call to execute did not produce any result set or no call was issued yet.

_rowcount len rows for i in xrange0 self. Process finished with exit code 1. PrintSomething is wrong with your user.

Raise StopIteration if not row. Id like to know the correct procedure to procure the response from DB with a multi statement MySQL query. Raise errorsInterfaceError No result set to fetch from def.

Raise errorsInterfaceErrorNo result set to fetch from res rows eof self. Resappend self_row_to_python rows. No result set to fetch from You need to execute a SELECT query before you can fetch a result.

Sql insert into employee2idnamesexbirthdaysalaryjob values 0 显示全部. No result set to fetch from.


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