Issues

• Spark 3.4 SQL test SPARK-34637 fails since #6547 because AQE re-plans flip the DPP join's build side

  bugrequires-triage
  apache/datafusion-comet#6645 · Filter by author andygrove opened on Oct 4, 2026

• Flaky test: CometIcebergWriteActionSuite "a failed write job deletes the data files of tasks that completed"

  area:Icebergbugrequires-triagetest
  apache/datafusion-comet#6643 · Filter by author andygrove opened on Oct 4, 2026

• [EPIC] Adaptive runtime pruning for native Iceberg scans

  enhancementrequires-triage
  apache/datafusion-comet#6641 · Filter by author unikdahal opened on Oct 4, 2026
  1

  

• Use the release tarball RAT check in CI

  requires-triage
  apache/datafusion-comet#6638 · Filter by author andygrove opened on Oct 4, 2026

• test: move expression-level codegen dispatcher tests to Comet SQL tests

  area:expressionsenhancementrequires-triagetest
  apache/datafusion-comet#6637 · Filter by author andygrove opened on Oct 4, 2026

• test: move CometFloatSemanticsSuite's matching cases to Comet SQL tests

  area:expressionsenhancementrequires-triagetest
  apache/datafusion-comet#6636 · Filter by author andygrove opened on Oct 4, 2026

• test: move conditional, JSON, CSV, Variant and other expression coverage to Comet SQL tests

  area:expressionsenhancementrequires-triagetest
  apache/datafusion-comet#6635 · Filter by author andygrove opened on Oct 4, 2026

• test: move hash and bitwise expression coverage from Scala suites to Comet SQL tests

  area:expressionsenhancementrequires-triagetest
  apache/datafusion-comet#6634 · Filter by author andygrove opened on Oct 4, 2026

• test: move the Spark 4 collation suites to Comet SQL tests

  area:expressionsenhancementrequires-triagetest
  apache/datafusion-comet#6633 · Filter by author andygrove opened on Oct 4, 2026

• test: move window function coverage from CometWindowExecSuite to Comet SQL tests

  area:expressionsenhancementrequires-triagetest
  apache/datafusion-comet#6632 · Filter by author andygrove opened on Oct 4, 2026

• test: move aggregate function coverage from CometAggregateSuite to Comet SQL tests

  area:aggregationenhancementrequires-triagetest
  apache/datafusion-comet#6631 · Filter by author andygrove opened on Oct 4, 2026

• test: move explode/posexplode coverage from CometGenerateExecSuite to Comet SQL tests

  area:expressionsenhancementrequires-triagetest
  apache/datafusion-comet#6630 · Filter by author andygrove opened on Oct 4, 2026

• test: move map and struct expression coverage from Scala suites to Comet SQL tests

  area:expressionsenhancementrequires-triagetest
  apache/datafusion-comet#6629 · Filter by author andygrove opened on Oct 4, 2026

• test: move array expression coverage from Scala suites to Comet SQL tests

  area:expressionsenhancementrequires-triagetest
  apache/datafusion-comet#6628 · Filter by author andygrove opened on Oct 4, 2026

• test: move regex coverage to Comet SQL tests and fix fixtures whose patterns lose their backslashes

  area:expressionsenhancementrequires-triagetest
  apache/datafusion-comet#6627 · Filter by author andygrove opened on Oct 4, 2026

• test: move string expression coverage from Scala suites to Comet SQL tests

  area:expressionsenhancementrequires-triagetest
  apache/datafusion-comet#6626 · Filter by author andygrove opened on Oct 4, 2026

• test: move datetime expression coverage from Scala suites to Comet SQL tests

  area:expressionsenhancementrequires-triagetest
  apache/datafusion-comet#6625 · Filter by author andygrove opened on Oct 4, 2026

• test: move cast coverage for date, timestamp, binary and complex-type sources to Comet SQL tests

  area:expressionsenhancementrequires-triagetest
  apache/datafusion-comet#6624 · Filter by author andygrove opened on Oct 4, 2026

• test: move cast coverage for string sources to Comet SQL tests

  area:expressionsenhancementrequires-triagetest
  apache/datafusion-comet#6623 · Filter by author andygrove opened on Oct 4, 2026

• test: move cast coverage for boolean, integral, floating-point and decimal sources to Comet SQL tests

  area:expressionsenhancementrequires-triagetest
  apache/datafusion-comet#6622 · Filter by author andygrove opened on Oct 4, 2026

• test: move decimal arithmetic coverage from Scala suites to Comet SQL tests

  area:expressionsenhancementrequires-triagetest
  apache/datafusion-comet#6621 · Filter by author andygrove opened on Oct 4, 2026

• test: move math and arithmetic coverage from Scala suites to Comet SQL tests

  area:expressionsenhancementrequires-triagetest
  apache/datafusion-comet#6620 · Filter by author andygrove opened on Oct 4, 2026

• docs: document the ways a Comet SQL test can silently miss Comet

  documentationrequires-triagetest
  apache/datafusion-comet#6619 · Filter by author andygrove opened on Oct 4, 2026

• test: let Comet SQL tests keep ConstantFolding, exclude optimizer rules and change configs mid-file

  enhancementrequires-triagetest
  apache/datafusion-comet#6618 · Filter by author andygrove opened on Oct 4, 2026

• test: add a Comet SQL test error mode that checks native execution and error-class parity

  enhancementrequires-triagetest
  apache/datafusion-comet#6617 · Filter by author andygrove opened on Oct 4, 2026