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Pull requests: apache/datafusion-comet

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Pull requests list

chore: skip Iceberg and Spark SQL test workflows on test-only changes
#4023 opened Apr 21, 2026 by andygrove Member Loading…
chore: Remove config option for native_iceberg_compat
#4019 opened Apr 21, 2026 by andygrove Member Loading…
3
docs: Add documentation on Spark 4 limitations
#4018 opened Apr 21, 2026 by andygrove Member Loading…
3
fix: substring with negative start index
#4017 opened Apr 21, 2026 by kazuyukitanimura Contributor • Draft
1
fix: allow safe mixed Spark/Comet partial/final aggregate execution bug Something isn't working performance
#4015 opened Apr 21, 2026 by andygrove Member • Draft
1
2
test: run more Spark 4 tests spark 4
#4013 opened Apr 21, 2026 by kazuyukitanimura Contributor • Draft
feat: non-AQE DPP for native Parquet scans, broadcast exchange reuse for DPP subqueries area:scan Parquet scan / data reading enhancement New feature or request native_datafusion Specific to native_datafusion scan type
#4011 opened Apr 20, 2026 by mbutrovich Contributor Loading…
2
@mbutrovich
1
perf: avoid JVM shuffle when sandwiched between non-Comet operators [WIP]
#4010 opened Apr 20, 2026 by andygrove Member • Draft
1
4
fix: cast to and from timestamp_ntz
#4008 opened Apr 20, 2026 by parthchandra Contributor Loading…
4
feat: support PartialMerge aggregation mode
#4003 opened Apr 20, 2026 by comphead Contributor • Draft
1
fix: report task output metrics in Spark UI
#3999 opened Apr 20, 2026 by 0lai0 Contributor Loading…
1
3
perf: Short-circuit operator serde [experimental]
#3992 opened Apr 18, 2026 by andygrove Member • Draft
1
issue: 2607- added support for MapFromEntries
#3991 opened Apr 18, 2026 by athlcode • Draft
1
2
feat: support TimestampType join keys in SortMergeJoin
#3986 opened Apr 17, 2026 by andygrove Member Loading…
1
feat: capture per-query output from CometSqlFileTestSuite via system property
#3976 opened Apr 17, 2026 by andygrove Member • Draft
test: add SQL tests documenting Spark encode behavior
#3975 opened Apr 17, 2026 by andygrove Member • Draft
feat: add review-datafusion-pr Claude Code skill
#3974 opened Apr 17, 2026 by andygrove Member Loading…
5
feat: Add native support for mode fn
#3971 opened Apr 17, 2026 by pchintar Loading…
1
1
feat: Add native support for max_by and min_by
#3969 opened Apr 16, 2026 by pchintar Loading…
1
2
fix: use midpoint-based row group pruning to match Spark parallelism
#3947 opened Apr 14, 2026 by andygrove Member • Draft
1
1
feat: Add batch spill limit to improve shuffle writer throughput [experimental]
#3941 opened Apr 14, 2026 by andygrove Member • Draft
1
feat: Native Delta Lake scan via delta-kernel-rs
#3932 opened Apr 13, 2026 by schenksj • Draft
7 tasks done
16
perf: avoid FFI import/export when passing batches between native plans
#3930 opened Apr 12, 2026 by andygrove Member • Draft
1
18
deps: [DO NOT MERGE] Start testing what will be DataFusion 54.0
#3916 opened Apr 8, 2026 by mbutrovich Contributor • Draft
1
feat: replace custom shuffle block format with Arrow IPC streams
#3911 opened Apr 8, 2026 by andygrove Member • Draft
6
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