这是我第一次将sails.js 与mySQL 数据库一起使用，我对这个错误感到非常困惑。
我有一个名为“公司”的控制器和模型。它与 mySQL 数据库中的表“公司”有关。该表本身与名为“模块”和“用户”的两个表具有一对多关联（每个用户/模块必须与一个公司 ID 连接）。我已经在 MySQL 数据库中设置了外键。
问题是..每次我从这个控制器打开任何页面/动作时，都会出现这个错误：
error: Sending 500 ("Server Error") response:
Error (E_UNKNOWN) :: Encountered an unexpected error
: ER_BAD_FIELD_ERROR: Unknown column 'NaN' in 'where clause'
at Query.Sequence._packetToError (/Users/alanyudh/Sites/matta/node_modules/sails-mysql/node_modules/mysql/lib/protocol/sequences/Sequence.js:30:14)
at Query.ErrorPacket (/Users/alanyudh/Sites/matta/node_modules/sails-mysql/node_modules/mysql/lib/protocol/sequences/Query.js:82:18)
at Protocol._parsePacket (/Users/alanyudh/Sites/matta/node_modules/sails-mysql/node_modules/mysql/lib/protocol/Protocol.js:213:24)
at Parser.write (/Users/alanyudh/Sites/matta/node_modules/sails-mysql/node_modules/mysql/lib/protocol/Parser.js:62:12)
at Protocol.write (/Users/alanyudh/Sites/matta/node_modules/sails-mysql/node_modules/mysql/lib/protocol/Protocol.js:37:16)
at Socket.<anonymous> (/Users/alanyudh/Sites/matta/node_modules/sails-mysql/node_modules/mysql/lib/Connection.js:75:28)
at Socket.emit (events.js:95:17)
at Socket.<anonymous> (_stream_readable.js:764:14)
at Socket.emit (events.js:92:17)
at emitReadable_ (_stream_readable.js:426:10)
--------------------
at Protocol._enqueue (/Users/alanyudh/Sites/matta/node_modules/sails-mysql/node_modules/mysql/lib/protocol/Protocol.js:110:48)
at PoolConnection.Connection.query (/Users/alanyudh/Sites/matta/node_modules/sails-mysql/node_modules/mysql/lib/Connection.js:166:25)
at PoolConnection.liveConnection.query (/Users/alanyudh/Sites/matta/node_modules/sails-mysql/lib/connections/spawn.js:98:16)
at __FIND__ (/Users/alanyudh/Sites/matta/node_modules/sails-mysql/lib/adapter.js:836:20)
at afterwards (/Users/alanyudh/Sites/matta/node_modules/sails-mysql/lib/connections/spawn.js:104:5)
at /Users/alanyudh/Sites/matta/node_modules/sails-mysql/lib/connections/spawn.js:40:7 …