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Support spark compatible cast from int -> timestamp

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20554 In apache/datafusion;

· coderfender opened on Feb 25, 2026

<code>array_to_string()</code> does not support decimal arrays

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#20552 In apache/datafusion;

· neilconway opened on Feb 25, 2026

Optimize <code>array_to_string</code> to avoid unnecessary allocations

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20551 In apache/datafusion;

· neilconway opened on Feb 25, 2026

Substrait physical plan producer emits invalid URIs for LocalFiles

Status: Open.

#20550 In apache/datafusion;

· benbellick opened on Feb 25, 2026

Support extension planners for <code>TableScan</code>

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20547 In apache/datafusion;

· linhr opened on Feb 25, 2026

INSERT placeholder type inference corrupted when VALUES contains function-wrapped placeholders

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#20544 In apache/datafusion;

· killme2008 opened on Feb 25, 2026

feat: Implement <code>datafusion-spark</code> <code>sequence</code> function

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20540 In apache/datafusion;

· erenavsarogullari opened on Feb 25, 2026

array_to_string mishandles columnar third argument

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#20535 In apache/datafusion;

· neilconway opened on Feb 25, 2026

Improve performance of <code>array_position</code> with scalar needle

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20530 In apache/datafusion;

· neilconway opened on Feb 24, 2026

Introduce morsel-driven Parquet scan

enhancementNew feature or requestNew feature or request

performanceMake DataFusion fasterMake DataFusion faster

Status: Open.

Feature

#20529 In apache/datafusion;

· Dandandan opened on Feb 24, 2026

Speedup execution of sqllogictests with more parallelization

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20524 In apache/datafusion;

· alamb opened on Feb 24, 2026

split_part function returning wrong results

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#20503 In apache/datafusion;

· LiaCastaneda opened on Feb 23, 2026