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PlanDataInjector does N x M canInject calls per operator tree

requires-triage

Status: Open.

#4530 In apache/datafusion-comet;

· schenksj opened on May 30, 2026

Native scan file-read failures should surface as Spark's FAILED_READ_FILE.NO_HINT

requires-triage

Status: Open.

#4529 In apache/datafusion-comet;

· schenksj opened on May 30, 2026

CreateArray with nullability-divergent children panics in native make_array

requires-triage

Status: Open.

#4528 In apache/datafusion-comet;

· schenksj opened on May 30, 2026

ConstantColumnVector inputs fail Comet export with "Comet execution only takes Arrow Arrays"

requires-triage

Status: Open.

#4527 In apache/datafusion-comet;

· schenksj opened on May 30, 2026

Deep AND/OR predicate chains overflow protobuf recursion limit when the serialized plan is re-parsed

requires-triage

Status: Open.

#4526 In apache/datafusion-comet;

· schenksj opened on May 30, 2026

native shuffle: get_string should not panic on non-UTF-8 bytes (use lossy decode)

requires-triage

Status: Open.

#4521 In apache/datafusion-comet;

· schenksj opened on May 29, 2026

CometScanRule: decline native V1 scans on object_store-unsupported filesystem schemes (fall back to Spark)

requires-triage

Status: Open.

#4520 In apache/datafusion-comet;

· schenksj opened on May 29, 2026

Revert transition-heavy stages to Spark row-based execution

enhancementNew feature or requestNew feature or request

requires-triage

Status: Open.

#4518 In apache/datafusion-comet;

· karuppayya opened on May 29, 2026

Native divide-by-zero in a dispatched ScalaUDF surfaces CometNativeException instead of SparkArithmeticException

requires-triage

Status: Open.

#4517 In apache/datafusion-comet;

· andygrove opened on May 29, 2026

CometProject and CometHashAggregate do not perform cross-sibling subexpression elimination over ScalaUDF

requires-triage

Status: Open.

#4516 In apache/datafusion-comet;

· andygrove opened on May 29, 2026

DataFusion / DataFusion-Spark functions whose Arrow return type drifts from Spark catalyst's declared type

requires-triage

Status: Open.

#4515 In apache/datafusion-comet;

· mbutrovich opened on May 29, 2026

[EPIC] Provide JVM/codegen-dispatch implementations for Incompatible expressions so they never fall back by default

enhancementNew feature or requestNew feature or request

requires-triage

Status: Open.

#4506 In apache/datafusion-comet;

· andygrove opened on May 28, 2026