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Change datafusion-cli file access to use mmap

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#21159 In apache/datafusion;

· alamb opened on Mar 25, 2026

Consider deferred copying in string_agg GroupsAccumulator

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#21156 In apache/datafusion;

· neilconway opened on Mar 25, 2026

FFI schema providers fail when views are registered

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#21155 In apache/datafusion;

· timsaucer opened on Mar 25, 2026

Dictionary coercion on min/max

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#21150 In apache/datafusion;

· brancz opened on Mar 25, 2026

Add Granular Metrics to RepartitionExec

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#21148 In apache/datafusion;

· gene-bordegaray opened on Mar 25, 2026

Expose TrackConsumersPool memory consumer metrics programmatically

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#21146 In apache/datafusion;

· bert-beyondloops opened on Mar 25, 2026

Add example implementing filter pushdown

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#21145 In apache/datafusion;

· alamb opened on Mar 25, 2026

Implement DFExtensionType for Arrow's Canonical Extension Types

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#21144 In apache/datafusion;

· tobixdev opened on Mar 25, 2026

Optimize string_to_array for scalar args

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#21129 In apache/datafusion;

· neilconway opened on Mar 23, 2026

Unsupported table function arguments are silently dropped

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#21125 In apache/datafusion;

· RyanMarcus opened on Mar 23, 2026

package lz4_flex v0.12.0 in Cargo.lock is yanked

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#21123 In apache/datafusion;

· comphead opened on Mar 23, 2026

Pluggable expression-level statistics estimation (ExpressionAnalyzer)

Status: Open.

#21120 In apache/datafusion;

· asolimando opened on Mar 23, 2026