feat: canonical H2O coverage — q6/q8/q9 adapters + engine-only timing + DataFusion memtable fix#4

Merged

singaraiona merged 8 commits into

RayforceDB:masterfrom

ser-vasilich:prototype

May 18, 2026

Commits on May 10, 2026

prototype: rayforce q6/q8/q9 implementations + bonus-join wrapper workarounds

ser-vasilich
and
claude
committed

Commits on May 13, 2026

datafusion: register memtable instead of re-parsing CSV per query
ser-vasilich
committed

Commits on May 14, 2026

rayforce/q8: engine-side explode for fair 200k-row materialisation
ser-vasilich
committed
rayforce/q8 materialize: variable-K Python explode for small sizes
ser-vasilich
committed

Commits on May 15, 2026

Commits on May 17, 2026

bench(snapshot): refresh after q6 + q10 bypass operators
ser-vasilich
committed

Commits on May 18, 2026

bench(questdb): periodic ILP flush + 300s commit timeout
ser-vasilich
committed