jorisvandenbossche commented on code in PR #33925: URL: https://github.com/apache/arrow/pull/33925#discussion_r1093615857
########## docs/source/format/CanonicalExtensions.rst: ########## @@ -72,4 +72,30 @@ same rules as laid out above, and provide backwards compatibility guarantees. Official List ============= -No canonical extension types have been standardized yet. +Fixed shape tensor +================== + +* Extension name: `arrow.fixed_shape_tensor`. + +* The storage type of the extension: ``FixedSizeList`` where: + + * **value_type** is the data type of individual tensors and + is an instance of ``pyarrow.DataType`` or ``pyarrow.Field``. + * **list_size** is the product of all the elements in tensor shape. + +* Extension type parameters: + + * **value_type** = Arrow DataType of the tensor elements + * **shape** = shape of the contained tensors as a tuple + * **is_row_major** = boolean indicating the order of elements Review Comment: > The proposition of having `stride` as well, would make a zero copy system as well. Can you explain this a bit more how this would help for your use cases to have zero copy? Do you have data that is not row-major? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
