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Reinstate macOS CI builds of Comet with Spark 4.0.0

enhancementNew feature or requestNew feature or request

Status: Open.

#1949 In apache/datafusion-comet;

· andygrove opened on Jun 27, 2025

[iceberg] Iceberg data files not found when Comet vectorized reader is enabled

bugSomething isn't workingSomething isn't working

Status: Open.

#2116 In apache/datafusion-comet;

· hsiang-c opened on Aug 11, 2025

org.apache.spark.sql.catalyst.expressions.BoundReference cannot be cast to class org.apache.spark.sql.ColumnarExpression

bugSomething isn't workingSomething isn't working

Status: Open.

#1197 In apache/datafusion-comet;

· kazuyukitanimura opened on Dec 24, 2024

Various issues with Comet support for HashAggregateExec

enhancementNew feature or requestNew feature or request

Status: Open.

#1267 In apache/datafusion-comet;

· andygrove opened on Jan 10, 2025

AQE may materialize a non-supported Final-mode HashAggregate

bugSomething isn't workingSomething isn't working

Status: Open.

#1389 In apache/datafusion-comet;

· EmilyMatt opened on Feb 12, 2025

We do not respect ignoreNulls in first_value / last_value aggregates

bugSomething isn't workingSomething isn't working

good first issueGood for newcomersGood for newcomers

Status: Open.

#1630 In apache/datafusion-comet;

· andygrove opened on Apr 9, 2025

Re-enable tests for FIRST/LAST

enhancementNew feature or requestNew feature or request

Status: Open.

#1646 In apache/datafusion-comet;

· andygrove opened on Apr 14, 2025

Add tests for map types to CometFuzzTestSuite

enhancementNew feature or requestNew feature or request

Status: Open.

#1665 In apache/datafusion-comet;

· andygrove opened on Apr 21, 2025

Processing logic of the function <code>ceil</code>/<code>floor</code> for Decimal128 datatype seems to be wrong

bugSomething isn't workingSomething isn't working

Status: Open.

#1729 In apache/datafusion-comet;

· tlm365 opened on May 10, 2025

Add support for <code>COUNT(DISTINCT expr, expr1, ...)</code>

enhancementNew feature or requestNew feature or request

Status: Open.

#2292 In apache/datafusion-comet;

· andygrove opened on Sep 3, 2025

[EPIC] Add support for Spark 4.0.1

enhancementNew feature or requestNew feature or request

help wantedExtra attention is neededExtra attention is needed

Status: Open.

#1637 In apache/datafusion-comet;

· andygrove opened on Apr 10, 2025

Fix listagg-collation.sql test in Spark 4.0.0

bugSomething isn't workingSomething isn't working

Status: Open.

#1947 In apache/datafusion-comet;

· andygrove opened on Jun 27, 2025

Investigate failing tests with Spark 4.0.0

bugSomething isn't workingSomething isn't working

Status: Open.

#1948 In apache/datafusion-comet;

· andygrove opened on Jun 27, 2025

[Spark 4.0.0] Cast in ANSI mode uses wrong exception class

bugSomething isn't workingSomething isn't working

Status: Open.

#2218 In apache/datafusion-comet;

· andygrove opened on Aug 22, 2025

Add support for Spark 4.0.x + Iceberg 1.9.x

enhancementNew feature or requestNew feature or request

Status: Open.

#2380 In apache/datafusion-comet;

· andygrove opened on Sep 11, 2025

Improve <code>checkSparkAnswer</code> methods to allow for validation of expected results

enhancementNew feature or requestNew feature or request

Status: Open.

#2692 In apache/datafusion-comet;

· andygrove opened on Nov 5, 2025

follow up - remove incompatibility limitation on unsigned int types in native_iceberg_compat and native_datafusion readers

Status: Open.

#2195 In apache/datafusion-comet;

· parthchandra opened on Aug 19, 2025

[ANSI] Include original SQL in error messages

enhancementNew feature or requestNew feature or request

Status: Open.

#2215 In apache/datafusion-comet;

· andygrove opened on Aug 22, 2025

Custom Authentication &amp; External File Systems

enhancementNew feature or requestNew feature or request

Status: Open.

#2341 In apache/datafusion-comet;

· andygrove opened on Sep 8, 2025

Investigate OpenDAL features

enhancementNew feature or requestNew feature or request

Status: Open.

#2367 In apache/datafusion-comet;

· andygrove opened on Sep 10, 2025

Improve documentation for configs related to explain/fallback

documentationImprovements or additions to documentationImprovements or additions to documentation

enhancementNew feature or requestNew feature or request

good first issueGood for newcomersGood for newcomers

Status: Open.

#2413 In apache/datafusion-comet;

· andygrove opened on Sep 17, 2025

ExecutionMemoryPool errors releasing more memory than allocated

bugSomething isn't workingSomething isn't working

Status: Open.

#2453 In apache/datafusion-comet;

· andygrove opened on Sep 25, 2025

Include GLIBC version with provided jars

enhancementNew feature or requestNew feature or request

Status: Open.

#2504 In apache/datafusion-comet;

· lfdversluis opened on Sep 30, 2025

Use older version of GLIBC when building official Comet jars

enhancementNew feature or requestNew feature or request

Status: Open.

#2511 In apache/datafusion-comet;

· andygrove opened on Oct 1, 2025

Decide whether we need to run PR and/or Spark SQL tests against debug builds of native libs

enhancementNew feature or requestNew feature or request

Status: Open.

#2544 In apache/datafusion-comet;

· andygrove opened on Oct 10, 2025