Issues

• Iceberg truncate on integers with widths above 2^30: native kernel and native writer compute different partition values

  requires-triage
  apache/datafusion-comet#7442 · Filter by author mbutrovich opened on Nov 2, 2026

• Native Iceberg scan with AQE DPP fails when the DPP build side is a storage-partitioned join

  bugrequires-triage
  apache/datafusion-comet#7441 · Filter by author mbutrovich opened on Nov 2, 2026

• max_by / min_by with variable-length value or ordering types

  enhancementrequires-triage
  apache/datafusion-comet#7440 · Filter by author parthchandra opened on Nov 2, 2026
  

• approx_percentile / percentile_approx on non-numeric input

  enhancementrequires-triage
  apache/datafusion-comet#7439 · Filter by author parthchandra opened on Nov 2, 2026
  

• Native CSV file writes

  enhancementrequires-triage
  apache/datafusion-comet#7438 · Filter by author parthchandra opened on Nov 2, 2026
  

• Native JSON file writes

  enhancementrequires-triage
  apache/datafusion-comet#7437 · Filter by author parthchandra opened on Nov 2, 2026
  

• Native text file writes

  enhancementrequires-triage
  apache/datafusion-comet#7436 · Filter by author parthchandra opened on Nov 2, 2026
  

• percentile with an array of percentages or a frequency argument

  enhancementrequires-triage
  apache/datafusion-comet#7435 · Filter by author parthchandra opened on Nov 2, 2026
  

• Window min / max over string and binary input

  enhancementrequires-triage
  apache/datafusion-comet#7434 · Filter by author parthchandra opened on Nov 2, 2026
  

• Support input_file_name() and input_file_block_* with native scans

  enhancementrequires-triage
  apache/datafusion-comet#7433 · Filter by author parthchandra opened on Nov 2, 2026
  

• Support from_protobuf (ProtobufDataToCatalyst)

  enhancementrequires-triage
  apache/datafusion-comet#7432 · Filter by author parthchandra opened on Nov 2, 2026
  

• Native scans for Iceberg metadata tables

  enhancementrequires-triage
  apache/datafusion-comet#7431 · Filter by author parthchandra opened on Nov 2, 2026
  

• Native CSV scan for V1 FileSourceScanExec

  enhancementrequires-triage
  apache/datafusion-comet#7430 · Filter by author parthchandra opened on Nov 2, 2026
  

• Native JSON file scan

  enhancementrequires-triage
  apache/datafusion-comet#7429 · Filter by author parthchandra opened on Nov 2, 2026

• Native Iceberg writes for CTAS / RTAS on Spark 3.4

  enhancementrequires-triage
  apache/datafusion-comet#7428 · Filter by author parthchandra opened on Nov 2, 2026
  

• Support Iceberg's MergeRowsExec on Spark 3.4 and 3.5

  enhancementrequires-triage
  apache/datafusion-comet#7427 · Filter by author parthchandra opened on Nov 2, 2026

• Enable LocalTableScan conversion by default

  enhancementrequires-triage
  apache/datafusion-comet#7426 · Filter by author parthchandra opened on Nov 2, 2026

• Enable the Comet in-memory cache (InMemoryTableScan) by default

  enhancementrequires-triage
  apache/datafusion-comet#7425 · Filter by author parthchandra opened on Nov 2, 2026

• Spark 3.4: native Iceberg scan with AQE DPP fails with "Column index 1 is out of bound" when the build side needs an inserted exchange

  bugrequires-triage
  apache/datafusion-comet#7422 · Filter by author andygrove opened on Nov 2, 2026
  1

• Create 1.3.0 Release (Dec 2026)

  enhancementrequires-triage
  apache/datafusion-comet#7410 · Filter by author andygrove opened on Nov 2, 2026 · 1.3.0

• Comet Native Executors: TPC-H q17 in pipelined mode takes 277 s where Ballista takes 154 s

  enhancementrequires-triage
  apache/datafusion-comet#7409 · Filter by author andygrove opened on Nov 2, 2026
  

• Comet Native Executors: broadcast a small build side in pipelined mode

  enhancementrequires-triage
  apache/datafusion-comet#7408 · Filter by author andygrove opened on Nov 2, 2026
  

• Comet Native Executors: choose partition counts for pipelined mode

  enhancementrequires-triage
  apache/datafusion-comet#7407 · Filter by author andygrove opened on Nov 2, 2026
  

• Comet Native Executors: let a fragment's partial aggregate stop aggregating, including AVG

  enhancementrequires-triage
  apache/datafusion-comet#7406 · Filter by author andygrove opened on Nov 2, 2026
  

• Bug triage results: 2026-11-02

  requires-triage
  apache/datafusion-comet#7403 · Filter by author andygrove opened on Nov 2, 2026