Messages by Date
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2026/09/09
Re: [PR] perf: sort in memory without concat but instead use modified arrow sort [WIP] [datafusion]
via GitHub
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2026/09/09
[I] December 2026 DataFusion ASF Board Report [datafusion]
via GitHub
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2026/09/09
Re: [PR] fix: preserve scalar UDF strictness across FFI [datafusion]
via GitHub
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2026/09/09
Re: [PR] perf: sort in memory without concat but instead use modified arrow sort [WIP] [datafusion]
via GitHub
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2026/09/09
Re: [PR] perf: sort in memory without concat but instead use modified arrow sort [WIP] [datafusion]
via GitHub
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2026/09/09
Re: [PR] perf: sort in memory without concat but instead use modified arrow sort [WIP] [datafusion]
via GitHub
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2026/09/09
Re: [PR] perf: sort in memory without concat but instead use modified arrow sort [WIP] [datafusion]
via GitHub
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2026/09/09
Re: [PR] perf: sort in memory without concat but instead use modified arrow sort [WIP] [datafusion]
via GitHub
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2026/09/09
Re: [PR] perf: skip calendar reconstruction in hour/minute/second and dayofweek/weekday [datafusion-comet]
via GitHub
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2026/09/09
Re: [PR] docs: Point ParquetFormat setter/getter docs to the ParquetOptions definitions [datafusion]
via GitHub
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2026/09/09
Re: [PR] feat: add ASOF joins to DataFrame API [datafusion]
via GitHub
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2026/09/09
Re: [PR] Test aggmetrics [datafusion]
via GitHub
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2026/09/09
Re: [PR] perf: sort in memory without concat but instead use modified arrow sort [WIP] [datafusion]
via GitHub
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2026/09/09
Re: [PR] bench(predicate_eval): add expensive-first and wide-column shapes [datafusion]
via GitHub
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2026/09/09
Re: [PR] perf: sort in memory without concat but instead use modified arrow sort [WIP] [datafusion]
via GitHub
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2026/09/09
Re: [PR] feat: Enable adaptive partial aggregation for eligible native shuffle plans [datafusion-comet]
via GitHub
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2026/09/09
Re: [PR] perf: sort in memory without concat but instead use modified arrow sort [WIP] [datafusion]
via GitHub
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2026/09/09
Re: [PR] perf: sort in memory without concat but instead use modified arrow sort [WIP] [datafusion]
via GitHub
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2026/09/09
Re: [PR] perf: reduce allocations when collecting cache statistics [datafusion-comet]
via GitHub
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2026/09/09
Re: [PR] perf: sort in memory without concat but instead use modified arrow sort [WIP] [datafusion]
via GitHub
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2026/09/09
Re: [PR] perf: sort in memory without concat but instead use modified arrow sort [WIP] [datafusion]
via GitHub
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2026/09/09
Re: [PR] Test main aggmetrics benchmark [datafusion]
via GitHub
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2026/09/09
Re: [PR] perf: sort in memory without concat but instead use modified arrow sort [WIP] [datafusion]
via GitHub
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2026/09/09
Re: [PR] perf: sort in memory without concat but instead use modified arrow sort [WIP] [datafusion]
via GitHub
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2026/09/09
Re: [PR] fix: charge retained scratch indices capacity in GroupsAccumulatorAdapter [datafusion]
via GitHub
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2026/09/09
Re: [PR] Test main aggmetrics benchmark [datafusion]
via GitHub
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2026/09/09
Re: [PR] Test main aggmetrics benchmark [datafusion]
via GitHub
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2026/09/09
Re: [I] Consider using single spill file for multiple partitions [datafusion-comet]
via GitHub
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2026/09/09
[PR] perf: sort in memory without concat but instead use modified arrow sort [WIP] [datafusion]
via GitHub
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2026/09/09
Re: [PR] perf: sort in memory without concat but instead use modified arrow sort [WIP] [datafusion]
via GitHub
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2026/09/09
Re: [PR] Test aggmetrics [datafusion]
via GitHub
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2026/09/09
Re: [PR] fix: reject unsupported DELETE LIMIT [datafusion]
via GitHub
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2026/09/09
Re: [I] Nested struct field access on lambda parameters is unsupported (SQL and Substrait) [datafusion]
via GitHub
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2026/09/09
Re: [I] Join planning inserts IS NOT NULL filters that provably pass 100% of rows when input statistics report zero nulls [datafusion]
via GitHub
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2026/09/09
[I] Read local shuffle blocks directly in native code instead of copying them through a JVM stream [datafusion-comet]
via GitHub
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2026/09/09
Re: [PR] fix: account for memory that we still hold on when splitting batch [datafusion]
via GitHub
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2026/09/09
[I] Return native shuffle partition offsets over JNI instead of through a temp index file [datafusion-comet]
via GitHub
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2026/09/09
Re: [PR] Test main aggmetrics benchmark [datafusion]
via GitHub
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2026/09/09
Re: [PR] ci: share one cluster harness across the tpch, tpcds and h2o jobs [datafusion-ballista]
via GitHub
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2026/09/09
Re: [I] date_part returning wrong results due to overflows [datafusion]
via GitHub
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2026/09/09
Re: [PR] aggregate blocked impl [datafusion]
via GitHub
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2026/09/09
Re: [PR] feat: drop provably-true IS NOT NULL conjuncts from FilterExec predicates via input null_count statistics [datafusion]
via GitHub
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2026/09/09
Re: [I] [EPIC] Spilling Hash Join — run any join in a bounded memory budget [datafusion]
via GitHub
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2026/09/09
Re: [PR] perf: compact inputs for grouped aggregate filter [datafusion]
via GitHub
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2026/09/09
Re: [I] The latest `sqlparser_derive` release is several months older than `sqlparser` [datafusion-sqlparser-rs]
via GitHub
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2026/09/09
Re: [PR] Intermediate result blocked approach to aggregation memory management [datafusion]
via GitHub
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2026/09/09
Re: [I] Release sqlparser-rs version `0.63.0` around 2026-08-31 [datafusion-sqlparser-rs]
via GitHub
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2026/09/09
Re: [PR] fix: duplicate groups after spilling in legacy hash aggregation with a fallback group key (type not having dedicated impl) [datafusion]
via GitHub
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2026/09/09
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/09
Re: [I] `unix_timestamp` on string input falls back to Spark, while `to_unix_timestamp` already uses the codegen dispatcher [datafusion-comet]
via GitHub
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2026/09/09
[I] shuffle_bench should disable parquet view types so its input matches what Comet produces [datafusion-comet]
via GitHub
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2026/09/09
Re: [I] shuffle_bench should disable parquet view types so its input matches what Comet produces [datafusion-comet]
via GitHub
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2026/09/09
[I] Reuse the decoded schema across shuffle blocks instead of re-parsing it per block [datafusion-comet]
via GitHub
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2026/09/09
Re: [I] Read local shuffle blocks directly in native code instead of copying them through a JVM stream [datafusion-comet]
via GitHub
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2026/09/09
Re: [I] Reuse the decoded schema across shuffle blocks instead of re-parsing it per block [datafusion-comet]
via GitHub
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2026/09/09
Re: [PR] Push down topk through join [datafusion]
via GitHub
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2026/09/09
Re: [I] Improve CI to run enough tests when dependency upgraded [datafusion-comet]
via GitHub
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2026/09/09
Re: [PR] perf: reuse one StatisticsContext across ensure_distribution [datafusion]
via GitHub
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2026/09/09
Re: [PR] Test aggmetrics [datafusion]
via GitHub
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2026/09/09
[PR] fix: report correct number of items left in the iterator for `IncrementalSortIterator` [datafusion]
via GitHub
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2026/09/09
Re: [PR] Test main aggmetrics benchmark [datafusion]
via GitHub
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2026/09/09
Re: [PR] Test aggmetrics [datafusion]
via GitHub
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2026/09/09
[PR] Snowflake: Parse structured ARRAY types [datafusion-sqlparser-rs]
via GitHub
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2026/09/09
Re: [I] Consider using single spill file for multiple partitions [datafusion-comet]
via GitHub
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2026/09/09
Re: [I] Native Iceberg writer raises a different exception than iceberg-java for unclustered input to a clustered writer [datafusion-comet]
via GitHub
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2026/09/09
Re: [I] CI: non-gating label (e.g. auto-added `performance`) spawns a phantom all-skipped CI run that shadows real checks [datafusion-comet]
via GitHub
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2026/09/09
Re: [PR] Test aggmetrics [datafusion]
via GitHub
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2026/09/09
Re: [PR] docs: Point SessionConfig setter/getter docs to the config definitions [datafusion]
via GitHub
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2026/09/09
[I] Enable pushdown of (non-negative-cost) scalar_fn in aggregations into `TableScan` nodes [datafusion]
via GitHub
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2026/09/09
Re: [PR] Test aggmetrics [datafusion]
via GitHub
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2026/09/09
Re: [PR] fix: narrow Iceberg complex-null scan fallback to struct columns [datafusion-comet]
via GitHub
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2026/09/09
Re: [PR] fix: account for memory that we still hold on when splitting batch [datafusion]
via GitHub
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2026/09/09
Re: [PR] fix: account for memory that we still hold on when splitting batch [datafusion]
via GitHub
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2026/09/09
Re: [PR] fix: narrow Iceberg complex-null scan fallback to struct columns [datafusion-comet]
via GitHub
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2026/09/09
Re: [PR] SQLite: parse the full PRAGMA value grammar [datafusion-sqlparser-rs]
via GitHub
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2026/09/09
Re: [PR] Support INSERT OVERWRITE for MemTable [datafusion]
via GitHub
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2026/09/09
Re: [PR] minor: validate config `default_null_ordering` when setting it [datafusion]
via GitHub
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2026/09/09
Re: [PR] Test main aggmetrics benchmark [datafusion]
via GitHub
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2026/09/09
Re: [PR] Redshift: Support APPROXIMATE PERCENTILE_DISC [datafusion-sqlparser-rs]
via GitHub
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2026/09/09
[PR] refactor: clean up aggregation planning [datafusion]
via GitHub
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2026/09/09
Re: [PR] refactor: clean up aggregation planning [datafusion]
via GitHub
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2026/09/09
Re: [PR] SQLite: parse the full PRAGMA value grammar [datafusion-sqlparser-rs]
via GitHub
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2026/09/09
Re: [PR] Fix issue #25095 unwrap_cast_in_comparison drops the timezone shift when unwrapping CAST(timestamp AS timestamptz) = literal [datafusion]
via GitHub
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2026/09/09
Re: [PR] Test aggmetrics [datafusion]
via GitHub
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2026/09/09
Re: [PR] fix: null-aware anti join could emit rows after a sibling probe partition saw NULL [datafusion]
via GitHub
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2026/09/09
Re: [PR] fix: check for key retriever in Parquet decryption properties conversion [datafusion]
via GitHub
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2026/09/09
Re: [PR] fix: aggregate dynamic filtering with unsupported expressions [datafusion]
via GitHub
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2026/09/09
Re: [PR] Add write support to Avro format [datafusion]
via GitHub
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2026/09/09
Re: [PR] fix: avoid i8 overflow when computing the wider decimal precision [datafusion]
via GitHub
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2026/09/09
Re: [PR] POC improve string view hash compute [datafusion]
via GitHub
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2026/09/09
Re: [I] EnsureRequirements can silently drop fetch during distribution reoptimization [datafusion]
via GitHub
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2026/09/09
Re: [PR] fix: preserve fetch across distribution reoptimization [datafusion]
via GitHub
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2026/09/09
Re: [PR] test: add regression coverage for terminal hash aggregate drain [datafusion]
via GitHub
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2026/09/09
Re: [PR] Test aggmetrics [datafusion]
via GitHub
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2026/09/09
Re: [PR] fix: validate parquet statistics config [datafusion]
via GitHub
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2026/09/09
Re: [I] ComposedPhysicalExtensionCodec should not rely on positional encoding [datafusion]
via GitHub
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2026/09/09
[PR] docs: Point ParquetFormat setter/getter docs to the ParquetOptions definitions [datafusion]
via GitHub
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2026/09/09
[PR] docs: Point SessionConfig setter/getter docs to the config definitions [datafusion]
via GitHub
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2026/09/09
[I] Clean-up config setter/getter doc comments [datafusion]
via GitHub
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2026/09/09
Re: [I] Substrait producer emits AGGREGATION_PHASE_UNSPECIFIED for every aggregate and window function [datafusion]
via GitHub
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2026/09/09
Re: [PR] Test aggmetrics [datafusion]
via GitHub
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2026/09/09
[PR] feat: unix timestamp codegen dispatch [datafusion-comet]
via GitHub
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2026/09/09
[PR] Snowflake: Parse structured OBJECT types [datafusion-sqlparser-rs]
via GitHub
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2026/09/08
Re: [PR] fix: use session timezone for timestamp subtraction [datafusion]
via GitHub
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2026/09/08
Re: [PR] perf(sort-merge): cache current-row bytes in RowValues for SortPreservingMerge [datafusion]
via GitHub
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2026/09/08
[I] Substrait producer emits AGGREGATION_PHASE_UNSPECIFIED for every aggregate and window function [datafusion]
via GitHub
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2026/09/08
Re: [PR] bench: measure nested types as native shuffle hash partitioning keys [datafusion-comet]
via GitHub
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2026/09/08
Re: [PR] Reduce binary size of `ScalarUDFImpl` default impls [datafusion]
via GitHub
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2026/09/08
Re: [PR] perf: reuse one StatisticsContext across ensure_distribution [datafusion]
via GitHub
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2026/09/08
Re: [PR] chore(deps): bump dirs from 6.0.0 to 7.0.0 [datafusion-ballista]
via GitHub
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2026/09/08
Re: [PR] perf: reuse one StatisticsContext across ensure_distribution [datafusion]
via GitHub
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2026/09/08
Re: [PR] fix: use session timezone for timestamp subtraction [datafusion]
via GitHub
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2026/09/08
[PR] perf: reuse one StatisticsContext across ensure_distribution [datafusion]
via GitHub
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2026/09/08
[PR] Fix issue #25095 unwrap_cast_in_comparison drops the timezone shift when unwrapping CAST(timestamp AS timestamptz) = literal [datafusion]
via GitHub
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2026/09/08
Re: [PR] perf: reuse one StatisticsContext across ensure_distribution [datafusion]
via GitHub
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2026/09/08
Re: [PR] Test aggmetrics [datafusion]
via GitHub
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2026/09/08
Re: [PR] chore(ci): bump taiki-e/install-action from 2.87.5 to 2.87.7 [datafusion-ballista]
via GitHub
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2026/09/08
Re: [PR] fix: align CrossJoinExec schema metadata merge with the logical plan [datafusion]
via GitHub
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2026/09/08
[I] Make RowValues::compare's current-offset assumption self-checking [datafusion]
via GitHub
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2026/09/08
[PR] bench: measure nested types as native shuffle hash partitioning keys [datafusion-comet]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
Re: [PR] Test aggmetrics [datafusion]
via GitHub
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2026/09/08
[I] Benchmark nested types as native shuffle hash partitioning keys [datafusion-comet]
via GitHub
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2026/09/08
Re: [PR] Test aggmetrics [datafusion]
via GitHub
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2026/09/08
Re: [PR] Test aggmetrics [datafusion]
via GitHub
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2026/09/08
Re: [PR] Test aggmetrics [datafusion]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
Re: [PR] chore: Clean up out-of-date comments for aggregate refactor [datafusion]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
Re: [PR] Test aggmetrics [datafusion]
via GitHub
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2026/09/08
Re: [PR] Test aggmetrics [datafusion]
via GitHub
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2026/09/08
Re: [PR] fix: narrow Iceberg complex-null scan fallback to struct columns [datafusion-comet]
via GitHub
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2026/09/08
Re: [PR] Fix issue #24701 Better error when the query contains reserved names [datafusion]
via GitHub
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2026/09/08
Re: [PR] fix: `make_array` over NULL-typed columns returns one list per row [datafusion]
via GitHub
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2026/09/08
Re: [PR] fix: use session timezone for timestamp subtraction [datafusion]
via GitHub
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2026/09/08
Re: [I] ANSI mode test coverage: re-enable stale ignored tests and add missing cases [datafusion-comet]
via GitHub
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2026/09/08
Re: [I] `map_sort` falls back to Spark for non-scalar map key types [datafusion-comet]
via GitHub
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2026/09/08
Re: [PR] Fix issue #24701 Better error when the query contains reserved names [datafusion]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
Re: [PR] perf: skip calendar reconstruction in hour/minute/second and dayofweek/weekday (up to 23x) [datafusion-comet]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
[PR] chore(ci): bump taiki-e/install-action from 2.87.5 to 2.87.7 [datafusion-ballista]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
Re: [I] ANSI mode test coverage: re-enable stale ignored tests and add missing cases [datafusion-comet]
via GitHub
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2026/09/08
[PR] Test aggmetrics [datafusion]
via GitHub
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2026/09/08
[I] unwrap_cast_in_comparison drops the timezone shift when unwrapping CAST(timestamp AS timestamptz) = literal [datafusion]
via GitHub
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2026/09/08
Re: [PR] bench(predicate_eval): add expensive-first and wide-column shapes [datafusion]
via GitHub
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2026/09/08
Re: [PR] perf: buffer the NestedLoopJoin build side as coalesced chunks instead of one concat_batches allocation [datafusion]
via GitHub
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2026/09/08
[PR] fix: use session timezone for timestamp subtraction [datafusion]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
Re: [PR] introduce optional rle reads from parquet [datafusion]
via GitHub
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2026/09/08
Re: [PR] fix: align string to timestamp parsing with Spark's segment rules [datafusion-comet]
via GitHub
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2026/09/08
Re: [PR] fix: support Utf8/LargeUtf8/Utf8View in native RLike without panicking [datafusion-comet]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
-
2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
Re: [PR] fix: enable FIRST/LAST partial merge [datafusion-comet]
via GitHub
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2026/09/08
Re: [PR] chore: Improve network retry configuration for maven and artifact upload [datafusion-comet]
via GitHub
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2026/09/08
Re: [PR] perf: buffer the NestedLoopJoin build side as coalesced chunks instead of one concat_batches allocation [datafusion]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
Re: [I] Extend compact `IN`-list pruning beyond string types [datafusion]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
Re: [PR] [benchmark only] PR #21621 push-down TopK through join, rebased on main [datafusion]
via GitHub
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2026/09/08
Re: [PR] fix: support Utf8/LargeUtf8/Utf8View in native RLike without panicking [datafusion-comet]
via GitHub
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2026/09/08
Re: [PR] perf: extend compact IN-list pruning to ordered types [datafusion]
via GitHub
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2026/09/08
Re: [PR] fix: support Utf8/LargeUtf8/Utf8View in native RLike without panicking [datafusion-comet]
via GitHub
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2026/09/08
Re: [PR] perf: batch the nested-element list hash instead of slicing per element [datafusion-comet]
via GitHub
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2026/09/08
Re: [PR] chore: Clean up out-of-date comments for aggregate refactor [datafusion]
via GitHub
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2026/09/08
Re: [PR] fix: support Utf8/LargeUtf8/Utf8View in native RLike without panicking [datafusion-comet]
via GitHub
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2026/09/08
Re: [PR] perf: buffer the NestedLoopJoin build side as coalesced chunks instead of one concat_batches allocation [datafusion]
via GitHub
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2026/09/08
Re: [PR] Push down topk through join [datafusion]
via GitHub
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2026/09/08
Re: [PR] perf: extend compact IN-list pruning to ordered types [datafusion]
via GitHub
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2026/09/08
Re: [PR] perf: buffer the NestedLoopJoin build side as coalesced chunks instead of one concat_batches allocation [datafusion]
via GitHub
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2026/09/08
Re: [PR] fix: reject duplicate Parquet field names before decoding [datafusion-comet]
via GitHub
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2026/09/08
Re: [D] Sharing benchmark observations on decimal floating-point compression: comparing integer mapping with Gorilla/Chimp on time-series datasets [datafusion]
via GitHub
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2026/09/08
Re: [PR] bench(predicate_eval): add expensive-first and wide-column shapes [datafusion]
via GitHub
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2026/09/08
[PR] fix: reject duplicate Parquet field names before decoding [datafusion-comet]
via GitHub
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2026/09/08
Re: [I] Nested Parquet cast retention accepts an ambiguous case-insensitive field match [datafusion-comet]
via GitHub
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2026/09/08
Re: [PR] perf: buffer the NestedLoopJoin build side as coalesced chunks instead of one concat_batches allocation [datafusion]
via GitHub
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2026/09/08
Re: [PR] perf: buffer the NestedLoopJoin build side as coalesced chunks instead of one concat_batches allocation [datafusion]
via GitHub
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2026/09/08
Re: [PR] test: cover ambiguous exact nested Parquet field matches [datafusion-comet]
via GitHub
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2026/09/08
Re: [PR] test: cover ambiguous exact nested Parquet field matches [datafusion-comet]
via GitHub
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2026/09/08
Re: [PR] docs: fix the Substrait round-trip instructions in the sqllogictest README [datafusion]
via GitHub
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2026/09/08
Re: [PR] fix: align Spark collect aggregate element nullability [datafusion]
via GitHub
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2026/09/08
Re: [PR] feat: add datafusion-json crate with json_get_str scaffolding [datafusion]
via GitHub
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2026/09/08
Re: [I] Substrait consumer: DuplicateUnqualifiedField when chaining two Window relations with a carried window column [datafusion]
via GitHub
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2026/09/08
Re: [PR] feat: support ASOF JOIN SQL [datafusion]
via GitHub
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2026/09/08
Re: [PR] fix: reject invalid placeholders in CREATE FUNCTION bodies at definition time [datafusion]
via GitHub
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2026/09/08
Re: [PR] fix: preserve aggregate result identity during exchange reuse [datafusion-comet]
via GitHub
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2026/09/08
Re: [PR] feat: run rlike natively by default for Java-equivalent literal patterns [datafusion-comet]
via GitHub