Question

我使用Data连接系统在Sails中有sails-cassandra模型。数据。 Data.count({...}).exec()返回1，但Data.find({...}).exec()或Data.findOne({...}).exec()会返回以下错误消息：

Error (E_UNKNOWN) :: Encountered an unexpected error
ResponseError: Undefined name folder in selection clause
  at FrameReader.readError (/Users/samuel/Apps/dataapp/node_modules/sails-cassandra/node_modules/cassandra-driver/lib/readers.js:276:13)
  at Parser.parseError (/Users/samuel/Apps/dataapp/node_modules/sails-cassandra/node_modules/cassandra-driver/lib/streams.js:187:45)
  at Parser.parseBody (/Users/samuel/Apps/dataapp/node_modules/sails-cassandra/node_modules/cassandra-driver/lib/streams.js:169:19)
  at Parser._transform (/Users/samuel/Apps/dataapp/node_modules/sails-cassandra/node_modules/cassandra-driver/lib/streams.js:103:10)
  at Parser.Transform._read (_stream_transform.js:179:10)
  at Parser.Transform._write (_stream_transform.js:167:12)
  at doWrite (_stream_writable.js:301:12)
  at writeOrBuffer (_stream_writable.js:288:5)
  at Parser.Writable.write (_stream_writable.js:217:11)
  at Protocol.ondata (_stream_readable.js:540:20)
  at Protocol.emit (events.js:107:17)
  at readableAddChunk (_stream_readable.js:163:16)
  at Protocol.Readable.push (_stream_readable.js:126:10)
  at Protocol.Transform.push (_stream_transform.js:140:32)
  at Protocol.transformChunk (/Users/samuel/Apps/dataapp/node_modules/sails-cassandra/node_modules/cassandra-driver/lib/streams.js:75:8)
  at Protocol._transform (/Users/samuel/Apps/dataapp/node_modules/sails-cassandra/node_modules/cassandra-driver/lib/streams.js:26:10)
  at Protocol.Transform._read (_stream_transform.js:179:10)
  at Protocol.Transform._write (_stream_transform.js:167:12)
  at doWrite (_stream_writable.js:301:12)
  at writeOrBuffer (_stream_writable.js:288:5)
  at Protocol.Writable.write (_stream_writable.js:217:11)
  at Socket.ondata (_stream_readable.js:540:20)
  at Socket.emit (events.js:107:17)
  at readableAddChunk (_stream_readable.js:163:16)
  at Socket.Readable.push (_stream_readable.js:126:10)
  at TCP.onread (net.js:538:20)

  (event loop)
  at RequestHandler.send (/Users/samuel/Apps/dataapp/node_modules/sails-cassandra/node_modules/cassandra-driver/lib/request-handler.js:128:11)
  at Client._getPrepared (/Users/samuel/Apps/dataapp/node_modules/sails-cassandra/node_modules/cassandra-driver/lib/client.js:581:11)
  at /Users/samuel/Apps/dataapp/node_modules/sails-cassandra/node_modules/cassandra-driver/lib/client.js:399:12
  at fn (/Users/samuel/Apps/dataapp/node_modules/sails-cassandra/node_modules/async/lib/async.js:638:34)
  at Immediate._onImmediate (/Users/samuel/Apps/dataapp/node_modules/sails-cassandra/node_modules/async/lib/async.js:554:34)
  at processImmediate [as _immediateCallback] (timers.js:367:17)

Answer 1

这可能是构造返回属性的问题，因为count()不返回任何属性，find()和findOne()属性。

我会查看模型上的属性。添加和删除每一个，直到找到罪犯。

cassandra Sails model.count（）可以工作但是model.find（）和model.findOne（）不工作

1 个答案: