feat: prune unread Parquet leaves when a nested column is cast to a narrower type - #24090

Merged

adriangb merged 12 commits into

apache:mainfrom

mbutrovich:comet-4859-nested-projection-pruning

Aug 5, 2026

Commits on Aug 4, 2026

Commits on Aug 5, 2026

fix(parquet): read the whole root when one column has two cast targets

adriangb
and
claude
committed
20d75b7
fix(parquet): decline to clip a struct level with no field-name overlap

adriangb
and
claude
committed
448bad5
perf(parquet): keep nested read-plan analysis O(projected columns)

adriangb
and
claude
committed
218b80e
test(parquet): move the pruning e2e tests into SLT, close mutation gaps

adriangb
and
claude
committed
3a44040
Merge pull request #1 from pydantic/claude/datafusion-pr-24090-review-m2xw4u
mbutrovich
authored
c8e3f99
Merge branch 'main' into comet-4859-nested-projection-pruning
mbutrovich
authored
6cd9289
fix cargo doc?
mbutrovich
committed
bd09d48