[GitHub] vinooganesh commented on issue #23: DataFile External Identifier Field

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vinooganesh commented on issue #23: DataFile External Identifier Field
URL: https://github.com/apache/incubator-iceberg/issues/23#issuecomment-446758457
 
 
   Hey @rdblue  - quickly jumping in here. I think the mentality is that a file path as the sole identifier of a file may not suffice for every use case. Having an additional file identifier (independent of the physical path itself) would allow consumers of the system to both logically similar files and run operations on them. Specifically, let's say that I have something of a "source system" notion that I would want to persist on a per file basis. Having this state as an attribute on the File object itself would support this type of use case. Does that make sense? 

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