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requires-triage

Status: Open.

#5761 In apache/datafusion-comet;

· dwsmith1983 opened on Sep 7, 2026

Iceberg native scan fails on a table partitioned by an unknown transform (TestForwardCompatibility CI failure)

bugSomething isn't workingSomething isn't working

requires-triage

Status: Open.

#5758 In apache/datafusion-comet;

· andygrove opened on Sep 7, 2026

Dictionary-encoded values hash differently from decoded values inside nested types

requires-triage

Status: Open.

#5756 In apache/datafusion-comet;

· viirya opened on Sep 7, 2026

Hashing a null struct reads leftover child values instead of the seed

requires-triage

Status: Open.

#5753 In apache/datafusion-comet;

· viirya opened on Sep 7, 2026

CAST(string AS TIMESTAMP_NTZ) swallows ANSI errors when the year-range guard rejects

area:expressionsExpression evaluationExpression evaluation

bugSomething isn't workingSomething isn't working

correctness

requires-triage

Status: Open.

#5749 In apache/datafusion-comet;

· andygrove opened on Sep 6, 2026

bug: slice crashes on arrays with a non-nullable element field

area:expressionsExpression evaluationExpression evaluation

bugSomething isn't workingSomething isn't working

correctness

requires-triage

Status: Open.

#5743 In apache/datafusion-comet;

· andygrove opened on Sep 6, 2026

Parquet Variant annotation validation is bypassed when reading as an ordinary struct

requires-triage

Status: Open.

#5741 In apache/datafusion-comet;

· rich7420 opened on Sep 6, 2026

Track nested-field statistics pruning and TIMESTAMP_MILLIS overflow parity in filtered scans

requires-triage

Status: Open.

#5739 In apache/datafusion-comet;

· peterxcli opened on Sep 6, 2026

Iceberg scan falls back to Spark on IS NULL/IS NOT NULL over list/map columns (stale complex-type check)

requires-triage

Status: Open.

#5731 In apache/datafusion-comet;

· ErikBPF opened on Sep 6, 2026

revertToSpark erases CometIcebergWriteExec / CometNativeWriteExec because originalPlan is the node's own child

bugSomething isn't workingSomething isn't working

requires-triage

Status: Open.

#5719 In apache/datafusion-comet;

· andygrove opened on Sep 5, 2026

Re-enable adaptive skip-partial aggregation for supported high-cardinality aggregates

requires-triage

Status: Open.

#5717 In apache/datafusion-comet;

· peterxcli opened on Sep 5, 2026

String-to-timestamp cast rejects explicit positive years accepted by Spark

requires-triage

Status: Open.

#5716 In apache/datafusion-comet;

· peterxcli opened on Sep 5, 2026