Messages by Date
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2026/02/28
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
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2026/02/28
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
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2026/02/28
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
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2026/02/28
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
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2026/02/28
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
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2026/02/28
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
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2026/02/28
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
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2026/02/28
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
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2026/02/28
Re: [PR] Extend dynamic filter to joins that preserve probe side ON [datafusion]
via GitHub
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2026/02/28
Re: [PR] [POC] change format of shuffle files [datafusion-ballista]
via GitHub
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2026/02/28
Re: [PR] Extend dynamic filter to joins that preserve probe side ON [datafusion]
via GitHub
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2026/02/28
Re: [PR] Extend dynamic filter to joins that preserve probe side ON [datafusion]
via GitHub
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2026/02/28
Re: [PR] Spark Cast [datafusion]
via GitHub
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2026/02/28
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
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2026/02/28
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
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2026/02/28
Re: [PR] [POC] change format of shuffle files [datafusion-ballista]
via GitHub
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2026/02/28
Re: [PR] Perf: use direct index based on adaptive strategy [datafusion]
via GitHub
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2026/02/28
Re: [PR] Perf: use direct index based on adaptive strategy [datafusion]
via GitHub
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2026/02/28
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
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2026/02/28
Re: [PR] [POC] change format of shuffle files [datafusion-ballista]
via GitHub
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2026/02/28
Re: [PR] [POC] change format of shuffle files [datafusion-ballista]
via GitHub
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2026/02/28
Re: [PR] [POC] change format of shuffle files [datafusion-ballista]
via GitHub
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2026/02/28
[PR] [POC] change format of shuffle files [datafusion-ballista]
via GitHub
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2026/02/28
Re: [PR] Extend dynamic filter to joins that preserve probe side ON [datafusion]
via GitHub
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2026/02/28
Re: [I] FileStream start_next_file() is not measured in compute time. [datafusion]
via GitHub
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2026/02/28
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
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2026/02/28
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
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2026/02/28
Re: [I] Release DataFusion `53.0.0` (Feb 2026 / Mar 2026) [datafusion]
via GitHub
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2026/02/28
Re: [I] Release DataFusion `53.0.0` (Feb 2026 / Mar 2026) [datafusion]
via GitHub
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2026/02/28
Re: [PR] perf: Optimize `array_to_string()`, support more types [datafusion]
via GitHub
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2026/02/28
Re: [PR] feat: create a datafusion-example for in-memory file format [datafusion]
via GitHub
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2026/02/28
Re: [PR] Clean up date_part preimage implementation [datafusion]
via GitHub
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2026/02/28
[PR] feat(benchmarks): add async-profiler support to TPC benchmark scripts [datafusion-comet]
via GitHub
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2026/02/28
Re: [PR] perf: Optimize `array_concat` using `MutableArrayData` [datafusion]
via GitHub
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2026/02/28
[PR] perf: Optimize `array_concat` using `MutableArrayData` [datafusion]
via GitHub
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2026/02/28
[I] Optimize `array_concat` to use `MutableArrayData` [datafusion]
via GitHub
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2026/02/28
Re: [I] Optimize `array_concat` to use `MutableArrayData` [datafusion]
via GitHub
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2026/02/28
[PR] docs: add timestamp precision comparison table #19104 [datafusion]
via GitHub
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2026/02/28
Re: [PR] perf: Optimize `array_to_string()`, support more types [datafusion]
via GitHub
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2026/02/28
Re: [PR] feat: support extension planner for `TableScan` [datafusion]
via GitHub
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2026/02/28
Re: [PR] Perf: use direct index based on adaptive strategy [datafusion]
via GitHub
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2026/02/28
[PR] perf: add fast path for uniform fill values in `array_resize` [datafusion]
via GitHub
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2026/02/28
Re: [PR] Make lower emit Utf8View for Utf8View input [datafusion]
via GitHub
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2026/02/28
Re: [PR] Perf: use direct index based on adaptive strategy [datafusion]
via GitHub
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2026/02/28
Re: [PR] Perf: use direct index based on adaptive strategy [datafusion]
via GitHub
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2026/02/28
Re: [PR] Document guidance on how to evaluate breaking API changes [datafusion]
via GitHub
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2026/02/28
Re: [PR] Perf: use direct index based on adaptive strategy [datafusion]
via GitHub
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2026/02/28
[PR] Make lower emit Utf8View for Utf8View input [datafusion]
via GitHub
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2026/02/28
Re: [PR] Perf: use direct index based on statistics [datafusion]
via GitHub
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2026/02/28
Re: [I] Slow aggregrate query with `array_agg`, Polars is 4 times faster for equal query [datafusion]
via GitHub
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2026/02/28
Re: [I] `array_agg` is very slow [datafusion]
via GitHub
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2026/02/28
Re: [PR] Perf: use direct index based on statistics [datafusion]
via GitHub
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2026/02/28
Re: [PR] perf: Optimize `array_agg()` using `GroupsAccumulator` [datafusion]
via GitHub
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2026/02/28
Re: [PR] perf: Optimize `array_agg()` using `GroupsAccumulator` [datafusion]
via GitHub
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2026/02/28
Re: [PR] perf: Optimize `array_agg()` using `GroupsAccumulator` [datafusion]
via GitHub
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2026/02/28
Re: [PR] Improve formatting of datatypes [datafusion]
via GitHub
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2026/02/28
Re: [PR] Perf: use direct index based on statistics [datafusion]
via GitHub
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2026/02/28
Re: [PR] fix: Don't use `maxrows` as a "fetched rows" but calculate it from the batches [datafusion-ballista]
via GitHub
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2026/02/28
Re: [PR] feat: job scheduling with push based job status updates [datafusion-ballista]
via GitHub
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2026/02/28
Re: [I] Release DataFusion `53.0.0` (Feb 2026 / Mar 2026) [datafusion]
via GitHub
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2026/02/28
Re: [PR] Perf: use direct index based on statistics [datafusion]
via GitHub
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2026/02/28
Re: [PR] Perf: use direct index based on statistics [datafusion]
via GitHub
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2026/02/28
Re: [PR] Refactor ordered-set aggregate Dataframe APIs to align with SQL(#18279) [datafusion]
via GitHub
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2026/02/28
Re: [I] make DefaultLogicalExtensionCodec support serialisation of build in file formats [datafusion]
via GitHub
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2026/02/28
[PR] Make upper emit Utf8View for Utf8View input [datafusion]
via GitHub
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2026/02/28
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
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2026/02/28
Re: [PR] Optimize casts [datafusion]
via GitHub
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2026/02/28
Re: [I] Create Spark builtin function `array_contains` [datafusion]
via GitHub
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2026/02/28
Re: [I] array_contains returns null instead of false for empty array with literal value [datafusion-comet]
via GitHub
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2026/02/28
Re: [PR] Optimize casts [datafusion]
via GitHub
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2026/02/28
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
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2026/02/28
Re: [PR] Test upgrade to object store 0.13.0 [datafusion]
via GitHub
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2026/02/28
Re: [PR] Alamb/consolidate aggreate enu [datafusion]
via GitHub
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2026/02/28
Re: [PR] Upgrade DataFusion to arrow-rs/parquet 58.0.0 / `object_store` 0.13.0 [datafusion]
via GitHub
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2026/02/28
Re: [I] [datafusion-spark] [SQL] [TEST] IntervalMonthDayNano(0,0,0) give line blank [datafusion]
via GitHub
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2026/02/28
Re: [PR] Upgrade DataFusion to arrow-rs/parquet 58.0.0 / `object_store` 0.13.0 [datafusion]
via GitHub
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2026/02/28
Re: [I] Analyze current ClickBench performance with DataFusion 52 [datafusion]
via GitHub
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2026/02/28
Re: [I] Update ClickBench benchmarks with DataFusion 52.0.0 [datafusion]
via GitHub
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2026/02/28
Re: [PR] Extend dynamic filter to joins that preserve probe side ON [datafusion]
via GitHub
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2026/02/28
Re: [PR] Perf: use direct index based on statistics [datafusion]
via GitHub
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2026/02/28
Re: [PR] Optimize casts [datafusion]
via GitHub
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2026/02/28
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
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2026/02/28
Re: [I] Release DataFusion `53.0.0` (Feb 2026 / Mar 2026) [datafusion]
via GitHub
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2026/02/28
Re: [I] [datafusion-spark] Implement `ceil` function [datafusion]
via GitHub
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2026/02/28
Re: [PR] [datafusion-spark] Add Spark-compatible ceil function [datafusion]
via GitHub
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2026/02/28
Re: [PR] Perf: use direct index based on statistics [datafusion]
via GitHub
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2026/02/28
Re: [PR] Introduce morsel-driven Parquet scan [datafusion]
via GitHub
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2026/02/28
Re: [I] [EPIC] Make DataFusion the top of the ClickBench Parquet leaderboard [datafusion]
via GitHub
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2026/02/28
Re: [PR] Introduce morsel-driven Parquet scan [datafusion]
via GitHub
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2026/02/28
Re: [PR] perf: Store values inline in GroupValuesPrimitive [datafusion]
via GitHub
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2026/02/28
Re: [PR] Optimize casts [datafusion]
via GitHub
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2026/02/28
[PR] Optimize casts [datafusion]
via GitHub
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2026/02/28
Re: [PR] [WIP] feat: Use put_batch_with_indices to track partitions by index for sort-based shuffle [datafusion-ballista]
via GitHub
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2026/02/28
Re: [PR] Introduce morsel-driven Parquet scan [datafusion]
via GitHub
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2026/02/28
Re: [PR] Introduce morsel-driven Parquet scan [datafusion]
via GitHub
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2026/02/28
Re: [PR] [WIP] feat: Use put_batch_with_indices to track partitions by index for sort-based shuffle [datafusion-ballista]
via GitHub
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2026/02/28
Re: [PR] perf: Store values inline in GroupValuesPrimitive [datafusion]
via GitHub
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2026/02/28
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
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2026/02/27
Re: [PR] [WIP] feat: Use put_batch_with_indices to track partitions by index for sort-based shuffle [datafusion-ballista]
via GitHub
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2026/02/27
Re: [PR] Introduce morsel-driven Parquet scan [datafusion]
via GitHub
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2026/02/27
Re: [PR] Introduce morsel-driven Parquet scan [datafusion]
via GitHub
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2026/02/27
Re: [PR] Introduce morsel-driven Parquet scan [datafusion]
via GitHub
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2026/02/27
Re: [PR] Perf: use direct index based on statistics [datafusion]
via GitHub
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2026/02/27
[PR] Perf: use direct index based on statistics [datafusion]
via GitHub
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2026/02/27
Re: [PR] perf: Optimize `array_agg()` using `GroupsAccumulator` [datafusion]
via GitHub
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2026/02/27
[PR] Make repeat emit Utf8View for Utf8View input [datafusion]
via GitHub
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2026/02/27
Re: [PR] perf: Store values inline in GroupValuesPrimitive [datafusion]
via GitHub
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2026/02/27
Re: [PR] Introduce morsel-driven Parquet scan [datafusion]
via GitHub
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2026/02/27
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
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2026/02/27
Re: [PR] perf: Store values inline in GroupValuesPrimitive [datafusion]
via GitHub
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2026/02/27
Re: [PR] perf: Store values inline in GroupValuesPrimitive [datafusion]
via GitHub
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2026/02/27
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
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2026/02/27
Re: [PR] perf: Store values inline in GroupValuesPrimitive [datafusion]
via GitHub
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2026/02/27
Re: [PR] perf: Store values inline in GroupValuesPrimitive [datafusion]
via GitHub
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2026/02/27
Re: [PR] perf: Store values inline in GroupValuesPrimitive [datafusion]
via GitHub
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2026/02/27
Re: [PR] perf: Store values inline in GroupValuesPrimitive [datafusion]
via GitHub
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2026/02/27
Re: [PR] perf: Store values inline in GroupValuesPrimitive [datafusion]
via GitHub
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2026/02/27
Re: [PR] perf: Move stored hashes from hash table entries to side Vec<u64> [datafusion]
via GitHub
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2026/02/27
Re: [PR] perf: Move stored hashes from hash table entries to side Vec<u64> [datafusion]
via GitHub
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2026/02/27
Re: [PR] perf: Move stored hashes from hash table entries to side Vec<u64> [datafusion]
via GitHub
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2026/02/27
Re: [PR] perf: Move stored hashes from hash table entries to side Vec<u64> [datafusion]
via GitHub
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2026/02/27
Re: [PR] perf: Move stored hashes from hash table entries to side Vec<u64> [datafusion]
via GitHub
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2026/02/27
Re: [PR] perf: Move stored hashes from hash table entries to side Vec<u64> [datafusion]
via GitHub
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2026/02/27
Re: [PR] perf: Move stored hashes from hash table entries to side Vec<u64> [datafusion]
via GitHub
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2026/02/27
Re: [PR] perf: Move stored hashes from hash table entries to side Vec<u64> [datafusion]
via GitHub
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2026/02/27
Re: [PR] perf: Move stored hashes from hash table entries to side Vec<u64> [datafusion]
via GitHub
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2026/02/27
Re: [I] Update string UDF's to have return type == input type where appropriate [datafusion]
via GitHub
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2026/02/27
Re: [PR] feat: support extension planner for `TableScan` [datafusion]
via GitHub
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2026/02/27
Re: [PR] feat: Cast numeric (non int) to timestamp [datafusion-comet]
via GitHub
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2026/02/27
Re: [PR] perf: Use Arrow vectorized eq kernel for IN list with column references [datafusion]
via GitHub
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2026/02/27
Re: [PR] perf: Use Arrow vectorized eq kernel for IN list with column references [datafusion]
via GitHub
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2026/02/27
Re: [PR] perf: Optimize `array_agg()` using `GroupsAccumulator` [datafusion]
via GitHub
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2026/02/27
Re: [PR] perf: Optimize `array_agg()` using `GroupsAccumulator` [datafusion]
via GitHub
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2026/02/27
Re: [PR] Implement zero-copy tokenization for identifiers, strings, and comments [datafusion-sqlparser-rs]
via GitHub
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2026/02/27
Re: [I] [hdfs-opendal] Got an `reader got too little data` error on hdfs-opendal [datafusion-comet]
via GitHub
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2026/02/27
Re: [PR] feat: Cast numeric (non int) to timestamp [datafusion-comet]
via GitHub
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2026/02/27
Re: [I] Arrow Flight Shuffle for Comet [datafusion-comet]
via GitHub
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2026/02/27
Re: [PR] [branch-52] Fix incorrect `SortExec` removal before `AggregateExec` (#20247) [datafusion]
via GitHub
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2026/02/27
Re: [PR] Add Python bindings for accessing ExecutionMetrics [datafusion-python]
via GitHub
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2026/02/27
Re: [PR] chore(ci): use tpchgen-cli for generating the tpch dataset [datafusion-python]
via GitHub
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2026/02/27
Re: [PR] [branch-52] fix: HashJoin panic with dictionary-encoded columns in multi-key joins (#20441) [datafusion]
via GitHub
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2026/02/27
Re: [PR] [branch-52] fix: HashJoin panic with dictionary-encoded columns in multi-key joins (#20441) [datafusion]
via GitHub
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2026/02/27
Re: [PR] Allow running "verify release candidate" github workflow on Windows [datafusion-python]
via GitHub
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2026/02/27
Re: [PR] Add Python bindings for accessing ExecutionMetrics [datafusion-python]
via GitHub
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2026/02/27
Re: [D] DISCUSSION: San Francisco DataFusion Meetup (February 19, 2026) [datafusion]
via GitHub
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2026/02/26
Re: [D] DISCUSSION: Apache DataFusion New York Meetup April / May 2026 [datafusion]
via GitHub
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2026/02/26
Re: [D] DISCUSSION: Apache DataFusion New York Meetup April / May 2026 [datafusion]
via GitHub
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2026/02/26
Re: [D] DISCUSSION: Apache DataFusion New York Meetup April / May 2026 [datafusion]
via GitHub
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2026/02/25
Re: [PR] Extend dynamic filter pushdown to Left and LeftSemi hash joins [datafusion]
via GitHub
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2026/02/25
Re: [PR] Extend dynamic filter pushdown to Left and LeftSemi hash joins [datafusion]
via GitHub
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2026/02/25
Re: [PR] perf: Use Hashbrown for array_distinct [datafusion]
via GitHub
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2026/02/25
Re: [PR] perf: Use Arrow vectorized eq kernel for IN list with column references [datafusion]
via GitHub
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2026/02/25
Re: [PR] perf: Use Arrow vectorized eq kernel for IN list with column references [datafusion]
via GitHub
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2026/02/25
Re: [PR] fix: Avoid unnecessary type casts in `concat_ws` [datafusion]
via GitHub
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2026/02/25
Re: [I] [EPIC] Migrate to functions in `datafusion-spark` crate [datafusion-comet]
via GitHub
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2026/02/25
Re: [PR] perf: Improve performance of native row-to-columnar transition used by JVM shuffle [datafusion-comet]
via GitHub
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2026/02/25
Re: [PR] perf: Optimize `array_to_string()`, support decimal arrays [datafusion]
via GitHub
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2026/02/25
Re: [PR] Disallow order by within ordered-set aggregate functions argument lists [datafusion]
via GitHub
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2026/02/25
Re: [PR] perf: Optimize `array_to_string()`, support decimal arrays [datafusion]
via GitHub
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2026/02/25
Re: [I] Add utility crate [datafusion-python]
via GitHub
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2026/02/25
Re: [PR] perf: Optimize `array_to_string()`, support decimal arrays [datafusion]
via GitHub
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2026/02/25
[PR] feat: Add FFI_TableProviderFactory support [datafusion-python]
via GitHub
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2026/02/25
Re: [PR] deps: DataFusion 52.0.0 migration (SchemaAdapter changes, etc.) [iceberg] [datafusion-comet]
via GitHub
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2026/02/25
[I] feat: Investigate caching opportunities in `iceberg_scan.rs` [datafusion-comet]
via GitHub
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2026/02/25
Re: [PR] Introduce morsel-driven Parquet scan [datafusion]
via GitHub
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2026/02/25
Re: [PR] deps: DataFusion 52.0.0 migration (SchemaAdapter changes, etc.) [iceberg] [datafusion-comet]
via GitHub
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2026/02/25
Re: [PR] deps: DataFusion 52.0.0 migration (SchemaAdapter changes, etc.) [iceberg] [datafusion-comet]
via GitHub
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2026/02/25
Re: [PR] Introduce morsel-driven Parquet scan [datafusion]
via GitHub
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2026/02/25
Re: [PR] Introduce morsel-driven Parquet scan [datafusion]
via GitHub
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2026/02/25
Re: [PR] perf: Optimize heap handling in TopK operator [datafusion]
via GitHub
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2026/02/25
Re: [PR] Introduce morsel-driven Parquet scan [datafusion]
via GitHub
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2026/02/25
Re: [PR] build: fix runs-on tags for consistency [datafusion-comet]
via GitHub
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2026/02/25
Re: [PR] perf: Optimize heap handling in TopK operator [datafusion]
via GitHub
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2026/02/25
[PR] perf: Optimize heap handling in TopK operator [datafusion]
via GitHub
-
2026/02/25
Re: [PR] perf: Use Hashbrown for array_distinct [datafusion]
via GitHub
-
2026/02/25
Re: [PR] Introduce morsel-driven Parquet scan [datafusion]
via GitHub
-
2026/02/25
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
-
2026/02/25
Re: [PR] Introduce morsel-driven Parquet scan [datafusion]
via GitHub
-
2026/02/25
Re: [PR] Introduce morsel-driven Parquet scan [datafusion]
via GitHub
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2026/02/25
Re: [PR] feat: Add dialect-aware SQL serialization with `ToSql` trait for ClickHouse PascalCase types [datafusion-sqlparser-rs]
via GitHub
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2026/02/25
Re: [I] [EPIC] Improve Comet Native writer [datafusion-comet]
via GitHub
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2026/02/25
Re: [PR] build: Skip CI workflows for changes in benchmarks directory [datafusion-comet]
via GitHub
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2026/02/25
Re: [PR] deps: DataFusion 52.0.0 migration (SchemaAdapter changes, etc.) [iceberg] [datafusion-comet]
via GitHub
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2026/02/25
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
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2026/02/25
Re: [PR] Introduce morsel-driven Parquet scan [datafusion]
via GitHub
-
2026/02/25
Re: [PR] Introduce morsel-driven Parquet scan [datafusion]
via GitHub
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2026/02/25
Re: [PR] Introduce morsel-driven Parquet scan [datafusion]
via GitHub
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2026/02/25
Re: [PR] feat: Add substrait support for multiple files [datafusion]
via GitHub
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2026/02/25
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub
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2026/02/25
Re: [PR] perf: testing iceberg-rust ArrowReader optimizations [iceberg] [datafusion-comet]
via GitHub
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2026/02/25
Re: [PR] perf: testing iceberg-rust ArrowReader optimizations [iceberg] [datafusion-comet]
via GitHub
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2026/02/25
Re: [PR] chore(deps): bump jni from 0.21.1 to 0.22.1 in /native [datafusion-comet]
via GitHub
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2026/02/25
Re: [PR] chore(deps): bump jni from 0.21.1 to 0.22.1 in /native [datafusion-comet]
via GitHub
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2026/02/25
Re: [I] Spark-compatible CAST operation [datafusion]
via GitHub
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2026/02/25
Re: [PR] perf: Optimize `array_to_string()`, support decimal arrays [datafusion]
via GitHub
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2026/02/25
[PR] feat : support spark compatible int to timestamp cast [datafusion]
via GitHub
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2026/02/25
Re: [I] Support spark compatible cast from int -> timestamp [datafusion]
via GitHub
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2026/02/25
[I] Support spark compatible cast from int -> timestamp [datafusion]
via GitHub
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2026/02/25
Re: [PR] Introduce morsel-driven Parquet scan [datafusion]
via GitHub
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2026/02/25
Re: [PR] (Test) Advanced adaptive filter selectivity evaluation [datafusion]
via GitHub