Issues

• The scan from Zarr to rows costs as much as a whole dense data loader

  xqlsystems/xarray-sql#311 · Filter by author alxmrs opened on Nov 5, 2026

• A release on DataFusion 55, so xarray-sql, ddxdb and einfold can share one install

  xqlsystems/xarray-sql#310 · Filter by author alxmrs opened on Nov 5, 2026

• noleap and all_leap dates shift in SQL (2050-01-01 reads as 2049-12-12)

  xqlsystems/xarray-sql#308 · Filter by author ghostiee-11 opened on Nov 5, 2026

• Where should shared CTE execution, compact arrays and GPU-resident training live?

  xqlsystems/xarray-sql#307 · Filter by author alxmrs opened on Nov 4, 2026
  1

• DataFusion 55: eliminate_cross_join drops a join key that reads two tables of a cross join, and returns wrong rows — draft for upstream

  bugml
  xqlsystems/xarray-sql#299 · Filter by author alxmrs opened on Nov 1, 2026

• Track benchmarks over time in CI

  enhancementml
  xqlsystems/xarray-sql#298 · Filter by author alxmrs opened on Oct 31, 2026

• Show demo 1's query plans: DataFusion's joins against einfold's fused pipeline

  enhancementml
  xqlsystems/xarray-sql#297 · Filter by author alxmrs opened on Oct 31, 2026

• Cite the literature: CITATION.cff, a bibliography, and citations in docstrings

  documentation
  xqlsystems/xarray-sql#296 · Filter by author alxmrs opened on Oct 31, 2026

• Keep GitHub Actions and dependencies up to date with Dependabot, with a cooldown

  dependenciesgithub_actions
  xqlsystems/xarray-sql#295 · Filter by author alxmrs opened on Oct 31, 2026

• Context.prepare can't prepare a query that calls grad, vjp or jvp

  ml
  xqlsystems/xarray-sql#294 · Filter by author alxmrs opened on Oct 31, 2026

• DuckDB estimates Arrow scans at 1 row, and an MLP layer's aggregate swings 4–6× with the estimate — draft for upstream

  ml
  xqlsystems/xarray-sql#293 · Filter by author alxmrs opened on Oct 31, 2026

• DuckDB plans views that share reads in time exponential in their depth — draft for upstream

  ml
  xqlsystems/xarray-sql#292 · Filter by author alxmrs opened on Oct 31, 2026

• ML demo: a U-Net in SQL, for einfold to optimize convolutions against

  enhancementml
  xqlsystems/xarray-sql#291 · Filter by author alxmrs opened on Oct 27, 2026

• A big-endian data variable registers, then every query fails: Byte-swapped arrays not supported

  bug
  xqlsystems/xarray-sql#288 · Filter by author alxmrs opened on Oct 25, 2026

• A coordinate on a dimension no data variable has breaks every query on the table

  bug
  xqlsystems/xarray-sql#286 · Filter by author alxmrs opened on Oct 25, 2026

• Tracking: ML in SQL as fast as JAX on CPU

  ml
  xqlsystems/xarray-sql#285 · Filter by author alxmrs opened on Oct 25, 2026
  25

• In-memory tables: an in-place write that moves a NaN reads wrongly (the validity bitmap is computed at registration)

  xqlsystems/xarray-sql#284 · Filter by author alxmrs opened on Oct 25, 2026

• datafusion-python: a physical plan can't be run again with its state reset (expose reset_plan_states) — draft for upstream

  ml
  xqlsystems/xarray-sql#283 · Filter by author alxmrs opened on Oct 25, 2026
  1

• DuckDB register is not visible from con.cursor()

  xqlsystems/xarray-sql#282 · Filter by author ghostiee-11 opened on Oct 22, 2026

• Docs: show other spatial and data science indexes (k-d trees) alongside H3

  xqlsystems/xarray-sql#281 · Filter by author alxmrs opened on Oct 21, 2026

• Move bbox_conjuncts into the geo extra as geospatial sugar

  xqlsystems/xarray-sql#280 · Filter by author alxmrs opened on Oct 21, 2026

• DuckDB: spatial join on a GEOMETRY column of an Arrow scan fails (EXPRESSION_FILTER pushdown) — draft for upstream

  xqlsystems/xarray-sql#278 · Filter by author alxmrs opened on Oct 21, 2026

• to_dataset: without ORDER BY, coordinates come back in the engine's nondeterministic row order

  xqlsystems/xarray-sql#276 · Filter by author alxmrs opened on Oct 21, 2026

• datafusion-ffi rebuilds the session and task context, with every function, on each scan and execute (~1.5 ms per scan)

  ml
  xqlsystems/xarray-sql#273 · Filter by author alxmrs opened on Oct 21, 2026

• A view keeps reading a table after it is replaced: DataFusion binds views at creation

  ml
  xqlsystems/xarray-sql#271 · Filter by author alxmrs opened on Oct 18, 2026