Search results

Break upgrade guides into separate pages

enhancementNew feature or requestNew feature or request

good first issueGood for newcomersGood for newcomers

Status: Open.

Feature

#20155 In apache/datafusion;

· avantgardnerio opened on Feb 4, 2026

Optimize rehash/null branching in hash util functions

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20152 In apache/datafusion;

· Jefffrey opened on Feb 4, 2026

Optimize hash util map/union functions to hash only needed values

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20151 In apache/datafusion;

· Jefffrey opened on Feb 4, 2026

Clarify <code>rehash</code> setting in hash utils

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20150 In apache/datafusion;

· Jefffrey opened on Feb 4, 2026

Group <code>pbjson-types</code> substrait dependency with substrait

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20149 In apache/datafusion;

· Jefffrey opened on Feb 4, 2026

Pushdown filter though UnionExec when some child support pushdown and some child do not support

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20144 In apache/datafusion;

· haohuaijin opened on Feb 4, 2026

[EPIC] A collection of support for metadata columns in ListingTable

PROPOSAL EPICA proposal being discussed that is not yet fully underwayA proposal being discussed that is not yet fully underway

Status: Open.

#20135 In apache/datafusion;

· alamb opened on Feb 3, 2026

<code>simplify_const_expr</code> does unnecessary recursive work

Status: Open.

#20134 In apache/datafusion;

· AdamGS opened on Feb 3, 2026

Add with_virtual_columns to ParquetSource for reading virtual columns

Status: Open.

#20132 In apache/datafusion;

· niebayes opened on Feb 3, 2026

Duplicate unqualified name error on unions

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#20123 In apache/datafusion;

· gabotechs opened on Feb 3, 2026

Reconsider equality of <code>ScalarValue</code>s for encoded types (REE/Dictionary)

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#20121 In apache/datafusion;

· Jefffrey opened on Feb 3, 2026

Unused unnested column is not pruned

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#20118 In apache/datafusion;

· simonvandel opened on Feb 2, 2026