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Perf: Improve SortPreservingMerge performance

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#23108 In apache/datafusion;

· Dandandan opened on Jun 23, 2026

[DISCUSSION] Clarify public ExecutionPlan transformation contracts for optimizer-added state

Status: Open.

#23105 In apache/datafusion;

· haohuaijin opened on Jun 23, 2026

Null-aware anti join (NOT IN) returns rows when join dynamic filter pushdown drops the probe NULL

Status: Open.

#23103 In apache/datafusion;

· mdashti opened on Jun 23, 2026

Remove redundant partitioned_by_file_group file scan field

Status: Open.

#23099 In apache/datafusion;

· gene-bordegaray opened on Jun 22, 2026

Recursive CTE column-list alias t(n) is ignored, fails to plan with "No field named n"

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#23097 In apache/datafusion;

· tomsanbear opened on Jun 22, 2026

Unsafe / incorrect unwrap_cast optimizations for narrowing casts (e.g. Decimal)

Status: Open.

#23095 In apache/datafusion;

· alamb opened on Jun 22, 2026

API: Partitioning::DynamicRange for runtime-discovered split points

Status: Open.

#23093 In apache/datafusion;

· avantgardnerio opened on Jun 22, 2026

API: runtime partition extrema for range-aware operators

Status: Open.

#23089 In apache/datafusion;

· avantgardnerio opened on Jun 22, 2026

Use octet_length instead of length in ClickBench SQL queries

enhancementNew feature or requestNew feature or request

performanceMake DataFusion fasterMake DataFusion faster

Status: Open.

#23086 In apache/datafusion;

· alamb opened on Jun 22, 2026

Support for aggregate functions on intervals

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#23085 In apache/datafusion;

· Abdullahsab3 opened on Jun 22, 2026

HashJoinExec / NestedLoopJoinExec projection Some(vec![]) becomes None after ser/de

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#23083 In apache/datafusion;

· haohuaijin opened on Jun 22, 2026

Remove GroupsAccumulator::supports_convert_to_state and make convert_to_state mandatory

enhancementNew feature or requestNew feature or request

Status: Open.

#23081 In apache/datafusion;

· alamb opened on Jun 22, 2026