我想使用SQLSoup来查询MySQL数据库。
我要发出的查询包含多个联接。不幸的是，tutorial示例涉及的表具有完全不同的列名（在表之间没有重复的列名）。
就我而言，我所有的表都有一个名为pkey的id列。
我执行以下操作：
s = SQLSoup(DATABASE_URI)
s.join(s.logical_interface, s.with_labels(s.physical_interface), s.physical_interface.id == s.logical_interface.physical_interface_id).first()
结果是：
InvalidRequestError: Implicitly combining column logical_interface.physical_interface_id with column foo.physical_interface_id under attribute 'physical_interface_id'. Please configure one or more attributes for these same-named columns explicitly
因此，我执行以下操作：
s.join（s.with_labels（s.logical_interface），s.with_labels（s.physical_interface），s.physical_interface.id == s.logical_interface.physical_interface_id）.first（）
结果如下（请参见下面的完整查询）：
OperationalError: (OperationalError) (1066, "Not unique table/alias: 'foo'") 'SELECT foo.logical_interface_id AS ...
似乎每个表都使用相同的表别名
foo，这显然会引起麻烦。有正确的方法吗？
完整查询：
'SELECT foo.logical_interface_id AS foo_logical_interface_id, foo.logical_interface_physical_interface_id AS foo_logical_interface_physical_interface_id, foo.logical_interface_name AS foo_logical_interface_name, foo.logical_interface_description AS foo_logical_interface_description, foo.logical_interface_active AS foo_logical_interface_active, foo.logical_interface_ifindex AS foo_logical_interface_ifindex, foo.logical_interface_ifinoctets AS foo_logical_interface_ifinoctets, foo.logical_interface_ifoutoctets AS foo_logical_interface_ifoutoctets, foo.logical_interface_lastpolloctets AS foo_logical_interface_lastpolloctets, foo.logical_interface_ifsigqunerroreds AS foo_logical_interface_ifsigqunerroreds, foo.logical_interface_ifsigqcorrecteds AS foo_logical_interface_ifsigqcorrecteds, foo.logical_interface_ifsigquncorrectables AS foo_logical_interface_ifsigquncorrectables, foo.logical_interface_lastpollfec AS foo_logical_interface_lastpollfec, foo.physical_interface_id AS foo_physical_interface_id, foo.physical_interface_docsis_mac_id AS foo_physical_interface_docsis_mac_id, foo.physical_interface_name AS foo_physical_interface_name, foo.physical_interface_type AS foo_physical_interface_type, foo.physical_interface_module AS foo_physical_interface_module \nFROM (SELECT logical_interface.id AS logical_interface_id, logical_interface.physical_interface_id AS logical_interface_physical_interface_id, logical_interface.name AS logical_interface_name, logical_interface.description AS logical_interface_description, logical_interface.active AS logical_interface_active, logical_interface.ifindex AS logical_interface_ifindex, logical_interface.ifinoctets AS logical_interface_ifinoctets, logical_interface.ifoutoctets AS logical_interface_ifoutoctets, logical_interface.lastpolloctets AS logical_interface_lastpolloctets, logical_interface.ifsigqunerroreds AS logical_interface_ifsigqunerroreds, logical_interface.ifsigqcorrecteds AS logical_interface_ifsigqcorrecteds, logical_interface.ifsigquncorrectables AS logical_interface_ifsigquncorrectables, logical_interface.lastpollfec AS logical_interface_lastpollfec \nFROM logical_interface) AS foo INNER JOIN (SELECT physical_interface.id AS physical_interface_id, physical_interface.docsis_mac_id AS physical_interface_docsis_mac_id, physical_interface.name AS physical_interface_name, physical_interface.type AS physical_interface_type, physical_interface.module AS physical_interface_module \nFROM physical_interface) AS foo ON physical_interface.id = logical_interface.physical_interface_id \n LIMIT %s' (1,)
最佳答案
答案是不”。
原因是未维护SQLSoup并且它已过时（我可以这么说是因为我是SQLSoup唯一的维护者）。使用automap，我写了它作为SQLSoup的现代替代品。