[ARROW-1614] [C++] Add a Tensor logical value type with constant shape, implemented using ExtensionType

• Type: New Feature
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: C++, Format
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/15483
• Assignee: Rok Mihevc
• Reporter: Wes McKinney
• Created: 26/Sep/17 19:59
• Updated: 11/Jan/23 07:15

Description

In an Arrow table, we would like to add support for a column that has values cells each containing a tensor value, with all tensors having the same shape/dimensions. These would be stored as a binary value, plus some metadata to store type and shape/strides.

Issue Links

• is related to: ARROW-5819 [Python] Store sequences of arbitrary ndarrays (with same type) in Tensor value type
• is related to: ARROW-8714 [C++] Add a Tensor logical value type with varying dimensions, implemented using ExtensionType
• links to: GitHub Pull Request #8510