Differentiable SQL: grad()/jvp()/vjp() over xarray and any DataFusion table - #192

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alxmrs wants to merge 13 commits into

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claude/xarray-sql-autograd-73ovqq

Commits on Jul 4, 2026

Add symbolic differentiation engine for SQL expressions (autograd MVP)

claude
authored and
alxmrs
committed
d20c8e8
Add Substrait bridge to apply grad() rewrite in the Python context

claude
authored and
alxmrs
committed
672e7d0
Expose grad() in XarrayContext SQL via the Substrait rewrite

claude
authored and
alxmrs
committed
4970f9f
ci: install protoc for the substrait build

claude
authored and
alxmrs
committed
7950bad
Add jacobian() for multi-input gradients

claude
authored and
alxmrs
committed
301d9cb
Replace array jacobian() with jvp()/vjp() forward & reverse modes

claude
authored and
alxmrs
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c952df1
Support grad/jvp/vjp on schema-qualified tables

claude
authored and
alxmrs
committed
4c0c449
Verify and test higher-order grad

claude
authored and
alxmrs
committed
4e5d023
Add differentiation-through-aggregate tests and docs

claude
authored and
alxmrs
committed
75069ca
Resolve grad over any registered table, not just xarray ones

claude
authored and
alxmrs
committed
0d2666c
Add differentiate_sql: differentiate an expression to SQL text

claude
authored and
alxmrs
committed
7bade4d
Differentiate grad() as a SQL rewrite, dropping the Substrait bridge

alxmrs
and
claude
committed
14b2697

Commits on Jul 6, 2026

Fix bad merge.
alxmrs
committed
54eeef3