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Unparser stack overflow: recursive_protection is bypassed for nested function arguments / dialect overrides (public expr_to_sql not #[recursive])

Status: Open.

#23056 In apache/datafusion;

· adriangb opened on Jun 20, 2026

CI failure: fuzz_cases::join_fuzz::test_left_anti_join_1k

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#23048 In apache/datafusion;

· neilconway opened on Jun 19, 2026

coalesce(Int, Utf8) coerces to Int

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#23045 In apache/datafusion;

· zyuiop opened on Jun 19, 2026

Support string to numeric coercion

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#23041 In apache/datafusion;

· zyuiop opened on Jun 19, 2026

Backport workflow-hardening fix (unpinned-uses) to maint-16.x

Status: Open.

#23037 In apache/datafusion;

· CharlieMCY opened on Jun 19, 2026

[EPIC] Sort Pushdown: skip sorts and skip IO for ORDER BY / TopK queries

Status: Open.

#23036 In apache/datafusion;

· zhuqi-lucas opened on Jun 19, 2026

Avoid concatenating record batches in joins to alleviate memory pressure

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#23031 In apache/datafusion;

· maxburke opened on Jun 19, 2026

TPC-DS q39 regression after adding primary key constraints: aggregate GROUP BY includes many unreferenced FD columns

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#23027 In apache/datafusion;

· hhhizzz opened on Jun 18, 2026

Physical plan does not support logical expression Exists

bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#23022 In apache/datafusion;

· zyuiop opened on Jun 18, 2026

Refactor: Make join projection pushdown schema-aware via ColumnIndex / JoinSide

Status: Open.

#23010 In apache/datafusion;

· kosiew opened on Jun 18, 2026

Cleanup: Name build-row and matchable-map presence checks in hash join

Status: Open.

#23008 In apache/datafusion;

· kosiew opened on Jun 18, 2026

Substrait consumer: DuplicateUnqualifiedField when chaining two Window relations with a carried window column

Status: Open.

#23007 In apache/datafusion;

· songkant-aws opened on Jun 18, 2026