Traceback (most recent call last):
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\peewee.py", line 3177, in execute_sql
cursor.execute(sql, params or ())
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\pymysql\cursors.py", line 148, in execute
result = self._query(query)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\pymysql\cursors.py", line 310, in _query
conn.query(q)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\pymysql\connections.py", line 547, in query
self._execute_command(COMMAND.COM_QUERY, sql)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\pymysql\connections.py", line 793, in _execute_command
raise err.InterfaceError(0, "")
pymysql.err.InterfaceError: (0, '')
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\vnpy\app\data_manager\ui\widget.py", line 134, in refresh_tree
data = self.engine.get_bar_data_available()
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\vnpy\app\data_manager\engine.py", line 135, in get_bar_data_available
data = database_manager.get_bar_data_statistics()
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\vnpy\trader\database\database_sql.py", line 460, in get_bar_data_statistics
for data in s:
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\peewee.py", line 6960, in iter
self.execute()
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\peewee.py", line 1918, in inner
return method(self, database, args, **kwargs)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\peewee.py", line 1989, in execute
return self._execute(database)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\peewee.py", line 2162, in _execute
cursor = database.execute(self)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\peewee.py", line 3190, in execute
return self.execute_sql(sql, params, commit=commit)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\peewee.py", line 3184, in execute_sql
self.commit()
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\peewee.py", line 2950, in exit
reraise(new_type, new_type(exc_value, exc_args), traceback)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\peewee.py", line 191, in reraise
raise value.with_traceback(tb)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\peewee.py", line 3177, in execute_sql
cursor.execute(sql, params or ())
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\pymysql\cursors.py", line 148, in execute
result = self._query(query)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\pymysql\cursors.py", line 310, in _query
conn.query(q)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\pymysql\connections.py", line 547, in query
self._execute_command(COMMAND.COM_QUERY, sql)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\pymysql\connections.py", line 793, in _execute_command
raise err.InterfaceError(0, "")
peewee.InterfaceError: (0, '')
