Kyle Barron created ARROW-17608:
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Summary: [JS] Implement C Data Interface
Key: ARROW-17608
URL: https://issues.apache.org/jira/browse/ARROW-17608
Project: Apache Arrow
Issue Type: New Feature
Components: JavaScript
Reporter: Kyle Barron
I've recently been working on an implementation of the C Data Interface for
Arrow JS, the idea being that Arrow JS can read memory from WebAssembly this
way without a copy ([blog
post|https://observablehq.com/@kylebarron/zero-copy-apache-arrow-with-webassembly],
[repo|https://github.com/kylebarron/arrow-js-ffi/pull/11]). Dominik
[suggested|https://twitter.com/domoritz/status/1562670919469842432?s=20&t=Ts8HQe_fzgRmecUP1Qrhrw]
starting a discussion about potentially adding this into Arrow JS.
My implementation is still WIP but figure it's not too early to start a
discussion. A couple notes:
- I'm focused only on reading FFI memory, so I only have parsing code. I figure
writing doesn't really make sense in JS since Wasm can't access arbitrary JS
memory
- In order to generate FFI memory in the tests, I'm using a small Rust module
to convert from an IPC table. If we didn't want to add a rust build step in the
tests, that module could be published to NPM
Thoughts?
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