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Make LogicalPlan::Unnest expression/rebuild contracts explicit

Status: Open.

#22769 In apache/datafusion;

· kosiew opened on Jun 5, 2026

improve performance for apporx_distinct when each group do no have many distinct value

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#22767 In apache/datafusion;

· haohuaijin opened on Jun 5, 2026

chore: discuss Backport criteria

development-processRelated to development process of DataFusionRelated to development process of DataFusion

documentationImprovements or additions to documentationImprovements or additions to documentation

Status: Open.

#22765 In apache/datafusion;

· comphead opened on Jun 4, 2026

Sliding window execution fails for covar_pop, covar_samp, and corr

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#22763 In apache/datafusion;

· pchintar opened on Jun 4, 2026

Join per-column stats not scaled with estimated row count

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#22761 In apache/datafusion;

· neilconway opened on Jun 4, 2026

[EPIC] A collection of Memory Accounting Limitations and Improvements

Status: Open.

#22758 In apache/datafusion;

· alamb opened on Jun 4, 2026

Incorrect timestamp comparison with mixed time units

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#22756 In apache/datafusion;

· fengys1996 opened on Jun 4, 2026

SUM(DISTINCT) over a bounded window frame ignores NULLs' validity mask and returns 0 instead of NULL

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#22754 In apache/datafusion;

· kumarUjjawal opened on Jun 4, 2026

Semi/anti join column stats not scaled with estimated row count

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#22743 In apache/datafusion;

· neilconway opened on Jun 3, 2026

GroupValuesRows::emit untracked decode buffer leaks past MemoryReservation

Status: Open.

#22739 In apache/datafusion;

· avantgardnerio opened on Jun 3, 2026

Regex simplification of anchored patterns produces wrong results

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#22726 In apache/datafusion;

· lyne7-sc opened on Jun 3, 2026

NestedLoopJoinExec spill path: untracked allocation overshoots memory pool

bugSomething isn't workingSomething isn't working

Status: Open.

#22723 In apache/datafusion;

· avantgardnerio opened on Jun 3, 2026