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Add support for calling async UDF as aggregation expression

coreCore DataFusion crateCore DataFusion crate

sqllogictestSQL Logic Tests (.slt)SQL Logic Tests (.slt)

Status: Open (in progress).

apache/datafusionnumber 17620

#17620 In apache/datafusion;

· simonvandel opened on Sep 17, 2025

perf: Optimize <code>multi_group_by</code> when there are a lot of unique groups

coreCore DataFusion crateCore DataFusion crate

performanceMake DataFusion fasterMake DataFusion faster

physical-planChanges to the physical-plan crateChanges to the physical-plan crate

Status: Open (in progress).

apache/datafusionnumber 17592

#17592 In apache/datafusion;

· rluvaton opened on Sep 16, 2025

feat: Add <code>OR REPLACE</code> to creating external tables

catalogRelated to the catalog crateRelated to the catalog crate

coreCore DataFusion crateCore DataFusion crate

logical-exprLogical plan and expressionsLogical plan and expressions

protoRelated to proto crateRelated to proto crate

sqlSQL PlannerSQL Planner

sqllogictestSQL Logic Tests (.slt)SQL Logic Tests (.slt)

Status: Open (in progress).

apache/datafusionnumber 17580

#17580 In apache/datafusion;

· jonathanc-n opened on Sep 16, 2025

Use <code>Display</code> formatting of <code>DataType</code>:s in error messages

catalogRelated to the catalog crateRelated to the catalog crate

commonRelated to common crateRelated to common crate

coreCore DataFusion crateCore DataFusion crate

datasourceChanges to the datasource crateChanges to the datasource crate

functionsChanges to functions implementationChanges to functions implementation

logical-exprLogical plan and expressionsLogical plan and expressions

optimizerOptimizer rulesOptimizer rules

physical-exprChanges to the physical-expr cratesChanges to the physical-expr crates

protoRelated to proto crateRelated to proto crate

spark

sqlSQL PlannerSQL Planner

sqllogictestSQL Logic Tests (.slt)SQL Logic Tests (.slt)

substraitChanges to the substrait crateChanges to the substrait crate

Status: Open (in progress).

apache/datafusionnumber 17565

#17565 In apache/datafusion;

· emilk opened on Sep 15, 2025

Prevent exponential planning time for Window functions

coreCore DataFusion crateCore DataFusion crate

datasourceChanges to the datasource crateChanges to the datasource crate

performanceMake DataFusion fasterMake DataFusion faster

physical-planChanges to the physical-plan crateChanges to the physical-plan crate

sqllogictestSQL Logic Tests (.slt)SQL Logic Tests (.slt)

Status: Open (in progress).

apache/datafusionnumber 17563

#17563 In apache/datafusion;

· findepi opened on Sep 15, 2025

Implement arithmetic overflow error handling

api changeChanges the API exposed to users of the crateChanges the API exposed to users of the crate

commonRelated to common crateRelated to common crate

coreCore DataFusion crateCore DataFusion crate

physical-exprChanges to the physical-expr cratesChanges to the physical-expr crates

Status: Open (in progress).

apache/datafusionnumber 17554

#17554 In apache/datafusion;

· EeshanBembi opened on Sep 13, 2025

feat: Support reading CSV files with inconsistent column counts

coreCore DataFusion crateCore DataFusion crate

datasourceChanges to the datasource crateChanges to the datasource crate

Status: Open (in progress).

apache/datafusionnumber 17553

#17553 In apache/datafusion;

· EeshanBembi opened on Sep 13, 2025

Introduce <code>avg_distinct()</code> and <code>sum_distinct()</code> functions to DataFrame API

coreCore DataFusion crateCore DataFusion crate

documentationImprovements or additions to documentationImprovements or additions to documentation

functionsChanges to functions implementationChanges to functions implementation

Status: Open (in progress).

apache/datafusionnumber 17536

#17536 In apache/datafusion;

· Jefffrey opened on Sep 12, 2025

fix: Preserves field metadata when creating logical plan for VALUES expression

coreCore DataFusion crateCore DataFusion crate

logical-exprLogical plan and expressionsLogical plan and expressions

Status: Open (in progress).

apache/datafusionnumber 17525

#17525 In apache/datafusion;

· Kontinuation opened on Sep 11, 2025

fix: Change <code>OuterReferenceColumn</code> to contain the entire outer field to prevent metadata loss

coreCore DataFusion crateCore DataFusion crate

logical-exprLogical plan and expressionsLogical plan and expressions

sqlSQL PlannerSQL Planner

sqllogictestSQL Logic Tests (.slt)SQL Logic Tests (.slt)

Status: Open (in progress).

apache/datafusionnumber 17524

#17524 In apache/datafusion;

· Kontinuation opened on Sep 11, 2025

Add JoinType preservation helpers and <code>dynamic_filter_side</code>; enable dynamic filter pushdown in HashJoinExec

commonRelated to common crateRelated to common crate

coreCore DataFusion crateCore DataFusion crate

physical-planChanges to the physical-plan crateChanges to the physical-plan crate

Status: Open (in progress).

apache/datafusionnumber 17518

#17518 In apache/datafusion;

· kosiew opened on Sep 11, 2025

Switch from xz2 to liblzma to reduce duplicate dependencies

coreCore DataFusion crateCore DataFusion crate

datasourceChanges to the datasource crateChanges to the datasource crate

Status: Draft (not ready).

apache/datafusionnumber 17509

#17509 In apache/datafusion;

· timsaucer opened on Sep 10, 2025