Issues

• GetStructField fails on a scalar struct beside a column

  requires-triage
  apache/datafusion-comet#7380 · Filter by author grorge123 opened on Nov 1, 2026

• Nested try_add and try_multiply can return wrapped integers instead of NULL

  requires-triage
  apache/datafusion-comet#7378 · Filter by author sunchao opened on Oct 31, 2026

• Comet Native Executors: reuse Flight connections in the driver's client

  enhancementrequires-triage
  apache/datafusion-comet#7376 · Filter by author andygrove opened on Oct 31, 2026

• Comet Native Executors: let the native planner reject every JVM callback, and drop the driver's list

  enhancementrequires-triage
  apache/datafusion-comet#7375 · Filter by author andygrove opened on Oct 31, 2026

• Comet Native Executors: pass scalar subquery results to the cluster without rewriting the plan

  enhancementrequires-triage
  apache/datafusion-comet#7374 · Filter by author andygrove opened on Oct 31, 2026

• Comet Native Executors: report a query's metrics in the Spark UI

  enhancementrequires-triage
  apache/datafusion-comet#7373 · Filter by author andygrove opened on Oct 31, 2026

• Comet Native Executors: cancel a query on the cluster when Spark cancels it

  enhancementrequires-triage
  apache/datafusion-comet#7372 · Filter by author andygrove opened on Oct 31, 2026

• Comet Native Executors: support writes

  enhancementrequires-triage
  apache/datafusion-comet#7371 · Filter by author andygrove opened on Oct 31, 2026

• Comet Native Executors: support dynamic partition pruning

  enhancementrequires-triage
  apache/datafusion-comet#7370 · Filter by author andygrove opened on Oct 31, 2026

• Comet Native Executors: run a small broadcast side once rather than in every task that reads it

  enhancementrequires-triage
  apache/datafusion-comet#7369 · Filter by author andygrove opened on Oct 31, 2026

• Comet Native Executors: partition hash exchanges with Spark's Murmur3 hash

  enhancementrequires-triage
  apache/datafusion-comet#7368 · Filter by author andygrove opened on Oct 31, 2026

• Comet Native Executors: range-partition sorts on float, nested and expression keys

  enhancementrequires-triage
  apache/datafusion-comet#7366 · Filter by author andygrove opened on Oct 31, 2026

• Comet Native Executors: run LIMIT and top-K queries with a per-partition limit before the exchange

  enhancementrequires-triage
  apache/datafusion-comet#7365 · Filter by author andygrove opened on Oct 31, 2026

• Add workflow to reject AI spam PRs

  enhancementrequires-triage
  apache/datafusion-comet#7364 · Filter by author andygrove opened on Oct 31, 2026
  

• [EPIC] Track arrow-java bugs and limitations that Comet works around

  area:ffienhancementEPICrequires-triage
  apache/datafusion-comet#7362 · Filter by author andygrove opened on Oct 31, 2026
  1

  

• Native Parquet scan builds an invalid StringArray for BINARY map keys read as STRING

  area:scanbugrequires-triage
  apache/datafusion-comet#7360 · Filter by author andygrove opened on Oct 31, 2026

• docs: move existing pages to the style guide's "native" rules

  requires-triage
  apache/datafusion-comet#7358 · Filter by author Abhishek-Mohan opened on Oct 30, 2026

• Evaluate making jemalloc the default allocator for the release build

  enhancementrequires-triage
  apache/datafusion-comet#7344 · Filter by author andygrove opened on Oct 30, 2026
  3

• perf: hll_sketch_agg merge builds a new union for every merged row

  area:aggregationenhancementperformancerequires-triage
  apache/datafusion-comet#7341 · Filter by author comphead opened on Oct 30, 2026

• Native parse_url accepts URLs and registry-based hosts that java.net.URI treats differently

  bugrequires-triage
  apache/datafusion-comet#7330 · Filter by author comphead opened on Oct 30, 2026

• perf: Drop the Spark-planned sort below a Comet partial sort aggregate

  performance
  apache/datafusion-comet#7323 · Filter by author parthchandra opened on Oct 29, 2026
  

• Run filter lambdas natively with DataFusion's array_filter

  enhancementrequires-triage
  apache/datafusion-comet#7321 · Filter by author andygrove opened on Oct 29, 2026

• ci: the docs deploy builds with its dependencies in a job that can write to the repository

  area:cienhancementpriority:lowrequires-triage
  apache/datafusion-comet#7320 · Filter by author andygrove opened on Oct 29, 2026
  1

• ci: a publish_snapshot.yml dry run still passes the Nexus secrets to the build

  area:cienhancementpriority:lowrequires-triage
  apache/datafusion-comet#7319 · Filter by author andygrove opened on Oct 29, 2026
  1

• Evaluate membership key reduction across small shuffle batches

  enhancementperformancerequires-triage
  apache/datafusion-comet#7318 · Filter by author sunchao opened on Oct 29, 2026