Custom Hive SerDe unable to SELECT column but works when I do SELECT *
问题 I'm writing a custom SerDe and will only be using it to deserialize. The underlying data is a thrift binary, each row is an event log. Each event has a schema which i have access to, but we wrap the event in another schema, let's call it Message before storing. The reason I'm writing a SerDe instead of using the ThriftDeserializer is because as mentioned the underlying event is wrapped as a Message. So we first need to deserialize using the schema of Message and then deserialize the data for