Re: [sqlalchemy] Error during roll back
that's an old bug that's been fixed. 0.7.1 is ancient you should upgrade to 0.7.10. On Mar 17, 2013, at 1:38 AM, Warwick Prince warwi...@mushroomsys.com wrote: Hi Michael I have some fairly basic code which is moving data from one DB to another. I have trapped errors on inserts just in case there were unexpected duplicates. When I go to commit this transaction, MySQL correctly throws an IntegrityError exception: Duplicate Entry which I trap, and perform a rollback. However, the rollback ALSO receives an IntegrityError exception from MySQL for the same insert query?? File C:\Documents and Settings\wprince\Desktop\PY CODE DEVELOPMENT\CESyncSQL\Sync_AU.py, line 1868, in SYNC_CustomersOUT session.rollback() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 586, in rollback self.transaction.rollback() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 324, in rollback self.close() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 351, in close self.session.begin() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 557, in begin self, nested=nested) File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 137, in __init__ self._take_snapshot() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 197, in _take_snapshot self.session.flush() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 1473, in flush self._flush(objects) File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 1542, in _flush flush_context.execute() File C:\Python27\lib\site-packages\sqlalchemy\orm\unitofwork.py, line 327, in execute rec.execute(self) File C:\Python27\lib\site-packages\sqlalchemy\orm\unitofwork.py, line 471, in execute uow File C:\Python27\lib\site-packages\sqlalchemy\orm\mapper.py, line 2163, in _save_obj execute(statement, params) File C:\Python27\lib\site-packages\sqlalchemy\engine\base.py, line 1358, in execute params) File C:\Python27\lib\site-packages\sqlalchemy\engine\base.py, line 1491, in _execute_clauseelement compiled_sql, distilled_params File C:\Python27\lib\site-packages\sqlalchemy\engine\base.py, line 1599, in _execute_context context) File C:\Python27\lib\site-packages\sqlalchemy\engine\base.py, line 1592, in _execute_context context) File C:\Python27\lib\site-packages\sqlalchemy\engine\default.py, line 325, in do_execute cursor.execute(statement, parameters) File C:\Python27\lib\site-packages\mysql\connector\cursor.py, line 309, in execute res = self.db().protocol.cmd_query(stmt) File C:\Python27\lib\site-packages\mysql\connector\protocol.py, line 136, in deco return func(*args, **kwargs) File C:\Python27\lib\site-packages\mysql\connector\protocol.py, line 474, in cmd_query return self.handle_cmd_result(self._recv_packet()) File C:\Python27\lib\site-packages\mysql\connector\protocol.py, line 173, in _recv_packet MySQLProtocol.raise_error(buf) File C:\Python27\lib\site-packages\mysql\connector\protocol.py, line 167, in raise_error raise errors.get_mysql_exception(errno,errmsg) IntegrityError: (IntegrityError) 1062: Duplicate entry '1231-63565' for key 'userID' u'INSERT INTO customer_master bla.. Any ideas? This is 0.7.1 Cheers Warwick -- You received this message because you are subscribed to the Google Groups sqlalchemy group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at http://groups.google.com/group/sqlalchemy?hl=en. For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups sqlalchemy group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at http://groups.google.com/group/sqlalchemy?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
Re: [sqlalchemy] Error during roll back
specifically it occurs when you receive an exception on flush(), but then you keep doing things that change the state of the session before calling rollback(). here's the original test: http://www.sqlalchemy.org/trac/attachment/ticket/2389/sqlalchemy_rollback_bug.py On Mar 17, 2013, at 1:38 AM, Warwick Prince warwi...@mushroomsys.com wrote: Hi Michael I have some fairly basic code which is moving data from one DB to another. I have trapped errors on inserts just in case there were unexpected duplicates. When I go to commit this transaction, MySQL correctly throws an IntegrityError exception: Duplicate Entry which I trap, and perform a rollback. However, the rollback ALSO receives an IntegrityError exception from MySQL for the same insert query?? File C:\Documents and Settings\wprince\Desktop\PY CODE DEVELOPMENT\CESyncSQL\Sync_AU.py, line 1868, in SYNC_CustomersOUT session.rollback() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 586, in rollback self.transaction.rollback() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 324, in rollback self.close() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 351, in close self.session.begin() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 557, in begin self, nested=nested) File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 137, in __init__ self._take_snapshot() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 197, in _take_snapshot self.session.flush() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 1473, in flush self._flush(objects) File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 1542, in _flush flush_context.execute() File C:\Python27\lib\site-packages\sqlalchemy\orm\unitofwork.py, line 327, in execute rec.execute(self) File C:\Python27\lib\site-packages\sqlalchemy\orm\unitofwork.py, line 471, in execute uow File C:\Python27\lib\site-packages\sqlalchemy\orm\mapper.py, line 2163, in _save_obj execute(statement, params) File C:\Python27\lib\site-packages\sqlalchemy\engine\base.py, line 1358, in execute params) File C:\Python27\lib\site-packages\sqlalchemy\engine\base.py, line 1491, in _execute_clauseelement compiled_sql, distilled_params File C:\Python27\lib\site-packages\sqlalchemy\engine\base.py, line 1599, in _execute_context context) File C:\Python27\lib\site-packages\sqlalchemy\engine\base.py, line 1592, in _execute_context context) File C:\Python27\lib\site-packages\sqlalchemy\engine\default.py, line 325, in do_execute cursor.execute(statement, parameters) File C:\Python27\lib\site-packages\mysql\connector\cursor.py, line 309, in execute res = self.db().protocol.cmd_query(stmt) File C:\Python27\lib\site-packages\mysql\connector\protocol.py, line 136, in deco return func(*args, **kwargs) File C:\Python27\lib\site-packages\mysql\connector\protocol.py, line 474, in cmd_query return self.handle_cmd_result(self._recv_packet()) File C:\Python27\lib\site-packages\mysql\connector\protocol.py, line 173, in _recv_packet MySQLProtocol.raise_error(buf) File C:\Python27\lib\site-packages\mysql\connector\protocol.py, line 167, in raise_error raise errors.get_mysql_exception(errno,errmsg) IntegrityError: (IntegrityError) 1062: Duplicate entry '1231-63565' for key 'userID' u'INSERT INTO customer_master bla.. Any ideas? This is 0.7.1 Cheers Warwick -- You received this message because you are subscribed to the Google Groups sqlalchemy group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at http://groups.google.com/group/sqlalchemy?hl=en. For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups sqlalchemy group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at http://groups.google.com/group/sqlalchemy?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
Re: [sqlalchemy] Error during roll back
Cool - Thanks. Upgrade on the way.. :-) Cheers Warwick specifically it occurs when you receive an exception on flush(), but then you keep doing things that change the state of the session before calling rollback(). here's the original test: http://www.sqlalchemy.org/trac/attachment/ticket/2389/sqlalchemy_rollback_bug.py On Mar 17, 2013, at 1:38 AM, Warwick Prince warwi...@mushroomsys.com wrote: Hi Michael I have some fairly basic code which is moving data from one DB to another. I have trapped errors on inserts just in case there were unexpected duplicates. When I go to commit this transaction, MySQL correctly throws an IntegrityError exception: Duplicate Entry which I trap, and perform a rollback. However, the rollback ALSO receives an IntegrityError exception from MySQL for the same insert query?? File C:\Documents and Settings\wprince\Desktop\PY CODE DEVELOPMENT\CESyncSQL\Sync_AU.py, line 1868, in SYNC_CustomersOUT session.rollback() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 586, in rollback self.transaction.rollback() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 324, in rollback self.close() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 351, in close self.session.begin() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 557, in begin self, nested=nested) File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 137, in __init__ self._take_snapshot() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 197, in _take_snapshot self.session.flush() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 1473, in flush self._flush(objects) File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 1542, in _flush flush_context.execute() File C:\Python27\lib\site-packages\sqlalchemy\orm\unitofwork.py, line 327, in execute rec.execute(self) File C:\Python27\lib\site-packages\sqlalchemy\orm\unitofwork.py, line 471, in execute uow File C:\Python27\lib\site-packages\sqlalchemy\orm\mapper.py, line 2163, in _save_obj execute(statement, params) File C:\Python27\lib\site-packages\sqlalchemy\engine\base.py, line 1358, in execute params) File C:\Python27\lib\site-packages\sqlalchemy\engine\base.py, line 1491, in _execute_clauseelement compiled_sql, distilled_params File C:\Python27\lib\site-packages\sqlalchemy\engine\base.py, line 1599, in _execute_context context) File C:\Python27\lib\site-packages\sqlalchemy\engine\base.py, line 1592, in _execute_context context) File C:\Python27\lib\site-packages\sqlalchemy\engine\default.py, line 325, in do_execute cursor.execute(statement, parameters) File C:\Python27\lib\site-packages\mysql\connector\cursor.py, line 309, in execute res = self.db().protocol.cmd_query(stmt) File C:\Python27\lib\site-packages\mysql\connector\protocol.py, line 136, in deco return func(*args, **kwargs) File C:\Python27\lib\site-packages\mysql\connector\protocol.py, line 474, in cmd_query return self.handle_cmd_result(self._recv_packet()) File C:\Python27\lib\site-packages\mysql\connector\protocol.py, line 173, in _recv_packet MySQLProtocol.raise_error(buf) File C:\Python27\lib\site-packages\mysql\connector\protocol.py, line 167, in raise_error raise errors.get_mysql_exception(errno,errmsg) IntegrityError: (IntegrityError) 1062: Duplicate entry '1231-63565' for key 'userID' u'INSERT INTO customer_master bla.. Any ideas? This is 0.7.1 Cheers Warwick -- You received this message because you are subscribed to the Google Groups sqlalchemy group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at http://groups.google.com/group/sqlalchemy?hl=en. For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups sqlalchemy group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at http://groups.google.com/group/sqlalchemy?hl=en. For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups sqlalchemy group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at http://groups.google.com/group/sqlalchemy?hl=en. For more options, visit
[sqlalchemy] Error during roll back
Hi Michael I have some fairly basic code which is moving data from one DB to another. I have trapped errors on inserts just in case there were unexpected duplicates. When I go to commit this transaction, MySQL correctly throws an IntegrityError exception: Duplicate Entry which I trap, and perform a rollback. However, the rollback ALSO receives an IntegrityError exception from MySQL for the same insert query?? File C:\Documents and Settings\wprince\Desktop\PY CODE DEVELOPMENT\CESyncSQL\Sync_AU.py, line 1868, in SYNC_CustomersOUT session.rollback() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 586, in rollback self.transaction.rollback() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 324, in rollback self.close() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 351, in close self.session.begin() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 557, in begin self, nested=nested) File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 137, in __init__ self._take_snapshot() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 197, in _take_snapshot self.session.flush() File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 1473, in flush self._flush(objects) File C:\Python27\lib\site-packages\sqlalchemy\orm\session.py, line 1542, in _flush flush_context.execute() File C:\Python27\lib\site-packages\sqlalchemy\orm\unitofwork.py, line 327, in execute rec.execute(self) File C:\Python27\lib\site-packages\sqlalchemy\orm\unitofwork.py, line 471, in execute uow File C:\Python27\lib\site-packages\sqlalchemy\orm\mapper.py, line 2163, in _save_obj execute(statement, params) File C:\Python27\lib\site-packages\sqlalchemy\engine\base.py, line 1358, in execute params) File C:\Python27\lib\site-packages\sqlalchemy\engine\base.py, line 1491, in _execute_clauseelement compiled_sql, distilled_params File C:\Python27\lib\site-packages\sqlalchemy\engine\base.py, line 1599, in _execute_context context) File C:\Python27\lib\site-packages\sqlalchemy\engine\base.py, line 1592, in _execute_context context) File C:\Python27\lib\site-packages\sqlalchemy\engine\default.py, line 325, in do_execute cursor.execute(statement, parameters) File C:\Python27\lib\site-packages\mysql\connector\cursor.py, line 309, in execute res = self.db().protocol.cmd_query(stmt) File C:\Python27\lib\site-packages\mysql\connector\protocol.py, line 136, in deco return func(*args, **kwargs) File C:\Python27\lib\site-packages\mysql\connector\protocol.py, line 474, in cmd_query return self.handle_cmd_result(self._recv_packet()) File C:\Python27\lib\site-packages\mysql\connector\protocol.py, line 173, in _recv_packet MySQLProtocol.raise_error(buf) File C:\Python27\lib\site-packages\mysql\connector\protocol.py, line 167, in raise_error raise errors.get_mysql_exception(errno,errmsg) IntegrityError: (IntegrityError) 1062: Duplicate entry '1231-63565' for key 'userID' u'INSERT INTO customer_master bla.. Any ideas? This is 0.7.1 Cheers Warwick -- You received this message because you are subscribed to the Google Groups sqlalchemy group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at http://groups.google.com/group/sqlalchemy?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
