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From "Wes McKinney (JIRA)" <>
Subject [jira] [Commented] (ARROW-256) Add versioning to the arrow spec.
Date Mon, 15 Aug 2016 08:43:20 GMT


Wes McKinney commented on ARROW-256:

Agreed. I would assume that we would add this as the first field in the Message type in

As an aside, for Flatbuffers as a metadata representation in particular, we will obviously
have to take care that a v2 message can be received by a v1 consumer (where the internals
of the Message differ significantly). My understanding from reading the docs is that as long
as the version is at the head of the Message table then the vtable indirection (
makes this safe.

> Add versioning to the arrow spec.
> ---------------------------------
>                 Key: ARROW-256
>                 URL:
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Format
>            Reporter: Julien Le Dem
> We should add a version field that describes the version of the spec.
> This will allow creating a spec v2 and schema negotiation between implementers that may
not be using the same version of the spec.

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