[ARROW-4571] [Format] Tensor.fbs file has multiple root_type declarations

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.13.0
• Component/s: Format
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/pull/3651
• Assignee: Kenta Murata
• Reporter: Eric Erhardt
• Created: 14/Feb/19 15:44
• Updated: 11/Jan/23 07:34
• Resolved: 18/Feb/19 16:20

Description

Looking at the flatbuffers doc, it appears there should only be one `root_type` declaration in an fbs file:

The last part of the schema is the root_type. The root type declares what will be the root table for the serialized data. In our case, the root type is our Monster table.

However, the Tensor.fbs file has multiple `root_type` declarations:

https://github.com/apache/arrow/blob/69d595ae4c61902b3f2778e536fca6675350c88c/format/Tensor.fbs#L53

https://github.com/apache/arrow/blob/69d595ae4c61902b3f2778e536fca6675350c88c/format/Tensor.fbs#L146

 

See the discussion here: https://github.com/apache/arrow/pull/2546#discussion_r256549256

Issue Links

• links to: GitHub Pull Request #3651