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Add <code>protoc</code> support for <code>ArrowScanExecNode</code>

enhancementNew feature or requestNew feature or request

good first issueGood for newcomersGood for newcomers

help wantedExtra attention is neededExtra attention is needed

Status: Open.

Feature

#20280 In apache/datafusion;

· milenkovicm opened on Feb 10, 2026

Optimize lpad, rpad for ASCII-only strings

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20277 In apache/datafusion;

· neilconway opened on Feb 10, 2026

bug: Describe fails when schema has FixedBinarySize columns

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#20273 In apache/datafusion;

· jay-dee7 opened on Feb 10, 2026

Add doc for <code>HashJoinExecBuilder</code>

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20270 In apache/datafusion;

· jonathanc-n opened on Feb 10, 2026

[Bug] Dynamic filter leads to wrong results in some aggregation queries with &gt;1 partitions

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#20267 In apache/datafusion;

· bharath-techie opened on Feb 10, 2026

format_string: grouping separator flag (,) ignored for float and decimal conversions (%f)

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#20266 In apache/datafusion;

· Druva-D opened on Feb 10, 2026

Cleanup example metadata parsing utilities

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20251 In apache/datafusion;

· cj-zhukov opened on Feb 10, 2026

Incorrect answers due to an incorrectly removed Sort before AggregateExec

bugSomething isn't workingSomething isn't working

regressionSomething that used to work no longer doesSomething that used to work no longer does

Status: Open.

#20244 In apache/datafusion;

· alamb opened on Feb 9, 2026

Add additional subquery tests to slt tests

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20240 In apache/datafusion;

· alamb opened on Feb 9, 2026

Better API for <code>Expr::sort(bool, bool); // acktually BOOL BOOL</code>

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20227 In apache/datafusion;

· Banyc opened on Feb 9, 2026

Improve ExternalSorter ResourcesExhausted Error Message

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20225 In apache/datafusion;

· erenavsarogullari opened on Feb 9, 2026

to_timestamp() fails when passed mix of scalar and array args

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#20223 In apache/datafusion;

· neilconway opened on Feb 9, 2026