Python——列表索引超出范围——在一个简单的SELECT语句上?
我是Python新手,所以可能我犯了一个新手错误。但在这种情况下,这似乎不是我应该犯的错误 在一个非常简单的SELECT语句中,我得到了一个列表索引超出范围的错误Python——列表索引超出范围——在一个简单的SELECT语句上?,python,sql,Python,Sql,我是Python新手,所以可能我犯了一个新手错误。但在这种情况下,这似乎不是我应该犯的错误 在一个非常简单的SELECT语句中,我得到了一个列表索引超出范围的错误 sql = """ begin tran -- Several update statements are in this block. commit tran""" sql = sql.format(tablename=self.tablename, **self.map
sql = """
begin tran
-- Several update statements are in this block.
commit tran"""
sql = sql.format(tablename=self.tablename, **self.mappings)
#print(sql)
self.cursor.execute(sql, (self.catalog_id,self.catalog_id,self.catalog_id,))
self.cursor.execute("SELECT CaptionText, DisplayOrder FROM dbo.SizeOrder where CaptionText is not NULL and len(CaptionText)>0") #This is the line that breaks!
size_order = {row[0].lower(): row[1] for row in self.cursor}
这是下一排倒数第二排。它没有做任何有趣的格式化。在这个问题查询中,我不做任何替换。直接对数据库运行时,它返回300多条记录
跟踪输出明确地暗示了这一行代码。我真的怀疑下一行b/c涉及索引。但执行死刑后的回归毫无帮助
Traceback (most recent call last):
File "import.py", line 782, in <module>
main(sys.argv)
File "import.py", line 167, in main
db.transform_catalog((len(args)>4 and args[4] == "--skipimages") or (len(args)>5 and args[5] == "--skipimages") )
File "import.py", line 235, in transform_catalog
self.do_transform(skipImages)
File "import.py", line 264, in do_transform
self.insert_size_types()
File "import.py", line 501, in insert_size_types
self.cursor.execute("SELECT CaptionText, DisplayOrder FROM dbo.SizeOrder where CaptionText is not NULL and len(Capt
ionText)>0")
File "C:\Python33\lib\site-packages\pypyodbc.py", line 1449, in execute
self._free_stmt(SQL_CLOSE)
File "C:\Python33\lib\site-packages\pypyodbc.py", line 1971, in _free_stmt
check_success(self, ret)
File "C:\Python33\lib\site-packages\pypyodbc.py", line 986, in check_success
ctrl_err(SQL_HANDLE_STMT, ODBC_obj.stmt_h, ret, ODBC_obj.ansi)
File "C:\Python33\lib\site-packages\pypyodbc.py", line 951, in ctrl_err
state = err_list[0][0]
IndexError: list index out of range
我可能做错了什么?谢谢 肯定是个bug。在库内部的某些结果处理过程中出现的不相关错误,与输入无关。是可能的原因。这可能是一个长期的问题,但可能与PyODBC 1.3.3中修复的错误有关:您似乎忘记获取查询结果的结果=self.cursor.fetchallSo。。。解决办法是什么?是否有升级或service pack或修补程序??!还不够清楚吗?@ivan_pozdeev:它回到了1.3.4:索引器:列表索引出了range@user443854提出另一个问题,那肯定是另一回事。