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[BUG] <code>EnsureCooperative</code> is not idempotent

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#19756 In apache/datafusion;

· danielhumanmod opened on Jan 11, 2026

feat: Pluggable datetime parsing

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#19754 In apache/datafusion;

· Omega359 opened on Jan 11, 2026

Additional optimizations for <code>left</code> function

Status: Open.

#19749 In apache/datafusion;

· alamb opened on Jan 11, 2026

[BUG] not ignore null in ARRAY_AGG with <code>DISTINCT</code> and <code>IGNORE NULLS</code>

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#19735 In apache/datafusion;

· davidlghellin opened on Jan 10, 2026

Re-sort file groups in FileScanConfig to satisfy ordering requirements

Status: Open.

#19724 In apache/datafusion;

· adriangb opened on Jan 9, 2026

Rename <code>FileSource::try_reverse_output</code> to <code>FileSource::try_pushdown_sort</code>

Status: Open.

#19723 In apache/datafusion;

· adriangb opened on Jan 9, 2026

<code>StreamingTable</code> does not project physical sort expressions

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#19717 In apache/datafusion;

· timsaucer opened on Jan 9, 2026

Dynamic Filter marked as not used

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#19715 In apache/datafusion;

· LiaCastaneda opened on Jan 9, 2026

Add non-TopK benchmark variants for Utf8/Utf8View string aggregates

Status: Open.

#19713 In apache/datafusion;

· kosiew opened on Jan 9, 2026

[datafusion-spark]: Implement add_months function

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#19710 In apache/datafusion;

· cht42 opened on Jan 9, 2026

[Proposal] Propagate ExecutionOptions into Physical BinaryExpr

Status: Open.

#19709 In apache/datafusion;

· acking-you opened on Jan 9, 2026

[Proposal] Expose Spilling Progress Interface in DataFusion

Status: Open.

#19697 In apache/datafusion;

· xudong963 opened on Jan 8, 2026