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DISTINCT ORDER BY NULLS FIRST LIMIT returns the wrong top row

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#22554 In apache/datafusion;

· Fly-a-Kite opened on May 27, 2026

Concurrent cache misses on the same path trigger duplicate metadata loads in FileMetadataCache

Status: Open.

#22553 In apache/datafusion;

· zhuqi-lucas opened on May 27, 2026

Shrink residual Vec in split_vec_min_alloc to fix capacity-based memory accounting on long split_off chains

Status: Open.

#22548 In apache/datafusion;

· RyanJamesStewart opened on May 26, 2026

Release DataFusion 54.1.0 (minor/patch) Release

Status: Open.

#22547 In apache/datafusion;

· alamb opened on May 26, 2026

Release DataFusion 53.2.0 (minor/patch) Release

Status: Open.

#22546 In apache/datafusion;

· alamb opened on May 26, 2026

Snapshot tests in physical_optimizer are not deterministic across CPU-count environments

Status: Open.

#22543 In apache/datafusion;

· crm26 opened on May 26, 2026

Repeating the same ordered LIMIT over a subquery changes the result

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#22541 In apache/datafusion;

· Fly-a-Kite opened on May 26, 2026

Benchmarks should run with a configured memory limit

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#22533 In apache/datafusion;

· ariel-miculas opened on May 26, 2026

EliminateOuterJoin should descend through Projection

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#22531 In apache/datafusion;

· neilconway opened on May 26, 2026

date_bin scalar & array paths have different error behaviours

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#22528 In apache/datafusion;

· Jefffrey opened on May 26, 2026

Partial hash aggregation produces batches reporting huge memory size

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#22526 In apache/datafusion;

· ariel-miculas opened on May 26, 2026

perf: ensure_distribution rebuilds plan nodes unnecessarily when children are unchanged

Status: Open.

#22520 In apache/datafusion;

· zhuqi-lucas opened on May 26, 2026