Messages by Date
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2026/08/31
Re: [PR] perf: extend string IN-list pruning benchmark coverage [datafusion]
via GitHub
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2026/08/31
Re: [PR] Enable more clippy lints [datafusion]
via GitHub
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2026/08/31
Re: [PR] Align metadata propagation through Physical and Logical casts [datafusion]
via GitHub
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2026/08/31
Re: [I] Extend the compact `IN`-list pruning benchmark [datafusion]
via GitHub
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2026/08/31
[PR] perf: extend string IN-list pruning benchmark coverage [datafusion]
via GitHub
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2026/08/31
Re: [PR] fix: avoid invalid qualifiers in unparsed subqueries [datafusion]
via GitHub
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2026/08/31
Re: [PR] fix: preserve duplicate named_struct fields in codegen dispatch [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] fix: preserve projection metadata during optimization [datafusion]
via GitHub
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2026/08/31
Re: [PR] fix: preserve projection metadata during optimization [datafusion]
via GitHub
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2026/08/31
Re: [PR] bench: add simplify_function_over_case benchmark [datafusion]
via GitHub
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2026/08/31
Re: [PR] fix: dedup commutative AND/OR operands when canonicalize is disabled [datafusion]
via GitHub
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2026/08/31
Re: [PR] fix: route translate through codegen dispatcher by default [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] feat: give TryCastExpr a target field [datafusion]
via GitHub
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2026/08/31
Re: [PR] bench: add simplify_function_over_case benchmark [datafusion]
via GitHub
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2026/08/31
Re: [PR] fix: dedup commutative AND/OR operands when canonicalize is disabled [datafusion]
via GitHub
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2026/08/31
Re: [PR] fix: bound native explode output batch size [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] fix: bound native explode output batch size [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] feat: implement regr_slope, regr_intercept, regr_r2, regr_sxx, regr_syy, regr_sxy aggregates [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] fix: make CometDiskBlockWriter spill registry per-task instead of executor-global [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] feat: implement regr_slope, regr_intercept, regr_r2, regr_sxx, regr_syy, regr_sxy aggregates [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] feat: implement regr_slope, regr_intercept, regr_r2, regr_sxx, regr_syy, regr_sxy aggregates [datafusion-comet]
via GitHub
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2026/08/31
[PR] chore(ci): bump taiki-e/install-action from 2.87.0 to 2.87.1 [datafusion-ballista]
via GitHub
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2026/08/31
Re: [I] Deterministically stagger shuffle read fetch order instead of randomizing it [datafusion-ballista]
via GitHub
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2026/08/31
Re: [PR] fix: ignore exact empty files in ordering analysis [datafusion]
via GitHub
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2026/08/31
Re: [PR] perf: reuse per-partition scratch in the shuffle write path [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] perf: reuse per-partition scratch in the shuffle write path [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] perf: reuse per-partition scratch in the shuffle write path [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] perf: reuse per-partition scratch in the shuffle write path [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] perf: reuse per-partition scratch in the shuffle write path [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] perf: reuse per-partition scratch in the shuffle write path [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] perf: reuse per-partition scratch in the shuffle write path [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] feat: give TryCastExpr a target field [datafusion]
via GitHub
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2026/08/31
Re: [PR] feat: add native Delta Lake scan contrib module (page/row-group pruning) [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] fix: normalize signed zero in nested float array comparisons [datafusion-comet]
via GitHub
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2026/08/31
[PR] feat: give TryCastExpr a target field [datafusion]
via GitHub
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2026/08/31
Re: [PR] feat: add native Delta Lake scan contrib module (page/row-group pruning) [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] array_sort / array_has: monomorphize per native type instead of per Arrow type (reduce binary size) [datafusion]
via GitHub
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2026/08/31
[PR] fix: arrow_cast must not elide a metadata-changing cast [datafusion]
via GitHub
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2026/08/31
Re: [PR] fix: preserve duplicate named_struct fields in codegen dispatch [datafusion-comet]
via GitHub
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2026/08/31
[PR] fix: make a cast target's metadata authoritative [datafusion]
via GitHub
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2026/08/31
Re: [PR] perf: reuse zstd compression contexts across shuffle blocks [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] fix: preserve Arrow Field metadata across C Data exports [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] chore: bench additional scalar functions [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] chore: bench additional scalar functions [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] docs: fix 'sqllite' typo in sqllogictest README [datafusion]
via GitHub
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2026/08/31
[PR] fix: route length/bit_length/octet_length binary input through codegen dispatcher [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] feat: Utf8View and BinaryView support [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] Support non-UTF-8 encoded CSV files [datafusion]
via GitHub
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2026/08/31
Re: [PR] [datafusion-spark] Implement map function [datafusion]
via GitHub
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2026/08/31
Re: [PR] feat: add datafusion-json crate with json_get_str scaffolding [datafusion]
via GitHub
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2026/08/31
Re: [PR] fix: pin action SHAs in dev.yml (backport to maint-16.x) [datafusion]
via GitHub
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2026/08/31
Re: [PR] Fuse multiple scalar-aggregate subqueries over the same source into a single scan [datafusion]
via GitHub
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2026/08/31
Re: [PR] feat: support unicode case sensitive field names for reading parquet [datafusion-comet]
via GitHub
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2026/08/31
[PR] fix: route translate through codegen dispatcher by default [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] fix: preserve projection metadata during optimization [datafusion]
via GitHub
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2026/08/31
Re: [PR] SQL benchmark configuration parity updates [datafusion]
via GitHub
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2026/08/31
Re: [PR] fix: prevent CSE from extracting window functions [datafusion]
via GitHub
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2026/08/31
[I] Native shuffle accepts structs with duplicate field names, then fails importing the batch back to the JVM [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] SQL benchmark configuration parity updates [datafusion]
via GitHub
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2026/08/31
Re: [PR] Update SQLite expression display expectations [datafusion-testing]
via GitHub
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2026/08/31
Re: [PR] variant: Integrate datafusion-variant into Datafusion [datafusion]
via GitHub
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2026/08/31
Re: [PR] fix: make Iceberg delete-file reflection failures fatal [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] fix: make Iceberg delete-file reflection failures fatal [datafusion-comet]
via GitHub
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2026/08/31
[PR] test: verify Celeborn reflection compatibility [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] fix: preserve projection metadata during optimization [datafusion]
via GitHub
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2026/08/31
Re: [PR] fix: preserve projection metadata during optimization [datafusion]
via GitHub
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2026/08/31
Re: [PR] fix: preserve projection metadata during optimization [datafusion]
via GitHub
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2026/08/31
Re: [PR] chore: remove `enforce_batch_size_in_joins` [datafusion]
via GitHub
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2026/08/31
Re: [PR] fix: preserve duplicate named_struct fields in codegen dispatch [datafusion-comet]
via GitHub
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2026/08/31
[I] Deterministically stagger shuffle read fetch order instead of randomizing it [datafusion-ballista]
via GitHub
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2026/08/31
Re: [PR] chore: remove `enforce_batch_size_in_joins` [datafusion]
via GitHub
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2026/08/31
[PR] chore: remove `enforce_batch_size_in_joins` [datafusion]
via GitHub
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2026/08/31
Re: [PR] chore: bench additional scalar functios [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] chore: bench additional scalar functios [datafusion-comet]
via GitHub
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2026/08/31
Re: [I] Call for Presentations: Community Showcase: Regular series for sharing what you're building with DataFusion [datafusion]
via GitHub
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2026/08/31
Re: [PR] fix: preserve projection and cast target field metadata [datafusion]
via GitHub
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2026/08/31
Re: [PR] fix: prevent memory leak after failed Arrow vector import [datafusion-comet]
via GitHub
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2026/08/31
Re: [I] NativeUtil.getNextBatch leaks Arrow structs when importVector fails [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] fix: prevent memory leak after failed Arrow vector import [datafusion-comet]
via GitHub
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2026/08/31
[PR] fix: preserve projection and cast target field metadata [datafusion]
via GitHub
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2026/08/31
[PR] fix: preserve duplicate named_struct fields in codegen dispatch [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] fix: preserve projection metadata during optimization [datafusion]
via GitHub
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2026/08/31
Re: [PR] Align metadata propagation through Physical and Logical casts [datafusion]
via GitHub
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2026/08/31
Re: [I] datafusion-proto: column qualifiers containing `.` are silently corrupted on round-trip [datafusion]
via GitHub
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2026/08/31
Re: [I] datafusion-proto: logical plan decode re-normalizes already-normalized plans, superlinear on wide plans [datafusion]
via GitHub
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2026/08/31
Re: [PR] Align metadata propagation through Physical and Logical casts [datafusion]
via GitHub
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2026/08/31
Re: [PR] Range partition on primitives. [datafusion]
via GitHub
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2026/08/31
Re: [PR] fix: align Spark 4.2 Python worker configuration [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] fix: align Spark 4.2 Python worker configuration [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] Align metadata propagation through Physical and Logical casts [datafusion]
via GitHub
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2026/08/31
Re: [PR] fix: make CometExplodeExec respect batch size [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] fix: make CometExplodeExec respect batch size [datafusion-comet]
via GitHub
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2026/08/31
[I] `ComposedPhysicalExtensionCodec::encode_protobuf` claims by-name encodes and breaks UDF round-trips [datafusion]
via GitHub
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2026/08/31
[I] `ComposedPhysicalExtensionCodec` implements only 6 of the 12 `PhysicalExtensionCodec` methods [datafusion]
via GitHub
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2026/08/31
Re: [PR] Align metadata propagation through Physical and Logical casts [datafusion]
via GitHub
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2026/08/31
Re: [PR] feat(physical-plan): `GroupColumn` support for `List` / `LargeList` [datafusion]
via GitHub
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2026/08/31
Re: [PR] Align metadata propagation through Physical and Logical casts [datafusion]
via GitHub
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2026/08/31
Re: [PR] chore: move dead and defensive serde guards out of convert [datafusion-comet]
via GitHub
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2026/08/31
[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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2026/08/31
Re: [PR] perf: reuse per-partition scratch in the shuffle write path [datafusion-comet]
via GitHub
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2026/08/31
[I] Derive a native UDF's return type from the library instead of requiring the caller to declare it [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] build: enable Spark SQL tests for released Spark 4.2.0 [datafusion-comet]
via GitHub
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2026/08/31
Re: [I] [EPIC] Use blocked / chunked memory management in hash aggregation [datafusion]
via GitHub
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2026/08/31
[PR] fix: aggregate dynamic filtering with unsupported expressions [datafusion]
via GitHub
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2026/08/31
Re: [I] `abs` on interval types falls back to Spark [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] Add ComposedNamedPhysicalExtensionCodec [datafusion]
via GitHub
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2026/08/31
Re: [PR] refactor(scheduler): share the constructor tail between SchedulerServer builders [datafusion-ballista]
via GitHub
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2026/08/31
Re: [I] Remove `enforce_batch_size_in_joins` in symmetric hash join, and deprecate the config [datafusion]
via GitHub
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2026/08/31
Re: [PR] feat: support NullType output types in codegen dispatch [datafusion-comet]
via GitHub
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2026/08/31
[I] `round` on float/double falls back to Spark, while `bround` already uses the codegen dispatcher [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] fix: preserve projection metadata during optimization [datafusion]
via GitHub
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2026/08/31
[PR] bench: `multi_group_by` cases to exercise `List` [datafusion]
via GitHub
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2026/08/31
Re: [PR] Add ComposedNamedPhysicalExtensionCodec [datafusion]
via GitHub
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2026/08/31
[PR] docs: fix 'sqllite' typo in sqllogictest README [datafusion]
via GitHub
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2026/08/31
Re: [PR] feat: extend SLT tests for hash join vs PWMJ, hash join vs SMJ [datafusion]
via GitHub
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2026/08/31
Re: [I] Native Celeborn shuffle: validate_remote_schema rejects dictionary shapes the shuffle writer can emit [datafusion-comet]
via GitHub
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2026/08/31
Re: [I] NativeUtil.getNextBatch leaks Arrow structs when importVector fails [datafusion-comet]
via GitHub
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2026/08/31
Re: [I] Native Celeborn shuffle: the remote read path costs up to 4.5x local decode and is unbenchmarked [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] perf: reuse per-partition scratch in the shuffle write path [datafusion-comet]
via GitHub
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2026/08/31
[I] `named_struct` with duplicate field names falls back to Spark [datafusion-comet]
via GitHub
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2026/08/31
[I] `lpad` / `rpad` with a non-literal `pad` argument falls back to Spark [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] fix: disable aggregate dynamic filter when unsupported expressions are present (#24816) [datafusion]
via GitHub
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2026/08/31
Re: [PR] feat: enable native-only Celeborn shuffle planning (8/n) [datafusion-comet]
via GitHub
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2026/08/31
[PR] feat: route `round` on float/double through the codegen dispatcher [datafusion-comet]
via GitHub
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2026/08/31
Re: [I] Supporting analytics over large amounts of pre‑partitioned data [datafusion]
via GitHub
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2026/08/31
Re: [PR] Add ComposedNamedPhysicalExtensionCodec [datafusion]
via GitHub
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2026/08/31
Re: [PR] feat: enable native-only Celeborn shuffle planning (8/n) [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] fix: avoid invalid qualifiers in unparsed subqueries [datafusion]
via GitHub
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2026/08/31
Re: [PR] Non breaking cast metadata [datafusion]
via GitHub
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2026/08/31
Re: [PR] Align metadata propagation through Physical and Logical casts [datafusion]
via GitHub
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2026/08/31
[I] `translate` falls back to Spark by default instead of using the codegen dispatcher like the other string functions [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] Add ComposedNamedPhysicalExtensionCodec [datafusion]
via GitHub
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2026/08/31
Re: [PR] Range partition on primitives. [datafusion]
via GitHub
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2026/08/31
Re: [PR] Range partition on primitives. [datafusion]
via GitHub
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2026/08/31
Re: [PR] Add ComposedNamedPhysicalExtensionCodec [datafusion]
via GitHub
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2026/08/31
Re: [I] Bitwise `&` and `->` group differently in the PostgreSQL and MySQL/Generic dialects [datafusion-sqlparser-rs]
via GitHub
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2026/08/31
Re: [PR] chore: rename .claude directory to vendor-neutral .ai [datafusion-comet]
via GitHub
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2026/08/31
[I] NestedLoopJoin buffers the build side into a single concat_batches allocation: 2x transient peak, invisible to the memory pool [datafusion]
via GitHub
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2026/08/31
Re: [I] Supporting analytics over large amounts of pre‑partitioned data [datafusion]
via GitHub
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2026/08/31
[I] Bug triage results: 2026-08-31 [datafusion-comet]
via GitHub
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2026/08/31
Re: [I] Dictionary-encoded group keys pay 27-37% aggregation tax vs Utf8View in TPC-H (Q2/Q19/Q20), DF 54 & 55 both [datafusion]
via GitHub
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2026/08/31
Re: [PR] perf: buffer the NestedLoopJoin build side as coalesced chunks instead of one concat_batches allocation [datafusion]
via GitHub
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2026/08/31
[PR] Non breaking cast metadata [datafusion]
via GitHub
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2026/08/31
Re: [PR] fix(ci): resolve datafusion.proto from datafusion-proto-models [datafusion-ballista]
via GitHub
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2026/08/31
[PR] feat: support unicode case sensitive field names for reading parquet [datafusion-comet]
via GitHub
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2026/08/31
[PR] chore: bench additional scalar functios [datafusion-comet]
via GitHub
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2026/08/31
[I] Align Comet's native UDF surface with SPARK-55278's language-agnostic UDF protocol [datafusion-comet]
via GitHub
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2026/08/31
Re: [I] Codegen dispatcher is unreachable from `convert`, so serdes that decline there never get a dispatch attempt [datafusion-comet]
via GitHub
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2026/08/31
[PR] Add ComposedNamedPhysicalExtensionCodec [datafusion]
via GitHub
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2026/08/31
Re: [PR] Align metadata propagation through Physical and Logical casts [datafusion]
via GitHub
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2026/08/31
Re: [PR] feat(scheduler): document REST API with OpenAPI and serve /api/openapi.json [datafusion-ballista]
via GitHub
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2026/08/31
Re: [PR] feat: support S3 compliant filesystems [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] introduce optional rle reads from parquet [datafusion]
via GitHub
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2026/08/31
Re: [PR] fix: record `join_time` and output metrics in PiecewiseMergeJoin [datafusion]
via GitHub
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2026/08/31
Re: [I] datafusion-proto: logical plan decode re-normalizes already-normalized plans, superlinear on wide plans [datafusion]
via GitHub
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2026/08/31
Re: [PR] feat: route `round` on float/double through the codegen dispatcher [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] feat(spark): add equal_null [datafusion]
via GitHub
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2026/08/31
[I] SQLQueryTestSuite.ignoreList entries skip the Spark baseline, not just Comet [datafusion-comet]
via GitHub
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2026/08/31
Re: [I] datafusion-proto: column qualifiers containing `.` are silently corrupted on round-trip [datafusion]
via GitHub
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2026/08/31
Re: [I] Support Spark-compatible Unicode case-insensitive Parquet field matching [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] Align metadata propagation through Physical and Logical casts [datafusion]
via GitHub
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2026/08/31
Re: [PR] feat: route `round` on float/double through the codegen dispatcher [datafusion-comet]
via GitHub
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2026/08/31
Re: [I] `round` on float/double falls back to Spark, while `bround` already uses the codegen dispatcher [datafusion-comet]
via GitHub
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2026/08/31
Re: [I] Remove `enforce_batch_size_in_joins` in symmetric hash join, and deprecate the config [datafusion]
via GitHub
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2026/08/31
Re: [I] Support Spark-compatible Unicode case-insensitive Parquet field matching [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] chore: require an approving review before merging [datafusion-ballista]
via GitHub
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2026/08/31
Re: [PR] Align metadata propagation through Physical and Logical casts [datafusion]
via GitHub
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2026/08/31
Re: [I] Rename the .claude directory to a vendor-neutral .ai [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] Align metadata propagation through Physical and Logical casts [datafusion]
via GitHub
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2026/08/31
[PR] feat(spark): add equal_null [datafusion]
via GitHub
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2026/08/31
Re: [PR] feat: custom Rust UDFs via arrow-ffi [experimental] [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] fix: report native shuffle read metrics [datafusion-comet]
via GitHub
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2026/08/31
Re: [I] Supporting analytics over large amounts of pre‑partitioned data [datafusion]
via GitHub
-
2026/08/31
[I] `length` / `bit_length` / `octet_length` fall back to Spark on binary input [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] perf: reuse zstd compression contexts across shuffle blocks [datafusion-comet]
via GitHub
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2026/08/31
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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2026/08/31
Re: [PR] fix: preserve projection metadata during optimization [datafusion]
via GitHub
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2026/08/31
Re: [PR] feat: implement regr_slope, regr_intercept, regr_r2, regr_sxx, regr_syy, regr_sxy aggregates [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] feat: Add trail mode config for Comet evaluation without native execution [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] feat: cleanup & simplify ballista config [datafusion-ballista]
via GitHub
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2026/08/31
Re: [I] `named_struct` with duplicate field names falls back to Spark [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] test: cover unsorted contiguous groups in one partition [datafusion]
via GitHub
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2026/08/31
Re: [I] Codegen dispatcher is unreachable from `convert`, so serdes that decline there never get a dispatch attempt [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] Add ComposedNamedPhysicalExtensionCodec [datafusion]
via GitHub
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2026/08/31
Re: [PR] test: cover unsorted contiguous groups in one partition [datafusion]
via GitHub
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2026/08/31
Re: [I] `length` / `bit_length` / `octet_length` fall back to Spark on binary input [datafusion-comet]
via GitHub
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2026/08/31
Re: [I] `translate` falls back to Spark by default instead of using the codegen dispatcher like the other string functions [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] Align metadata propagation through Physical and Logical casts [datafusion]
via GitHub
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2026/08/31
Re: [PR] fix: normalize scalar float sort and window rank keys [datafusion-comet]
via GitHub
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2026/08/31
Re: [I] Dictionary-encoded group keys pay 27-37% aggregation tax vs Utf8View in TPC-H (Q2/Q19/Q20), DF 54 & 55 both [datafusion]
via GitHub
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2026/08/31
[I] Map lookups with float, collated or complex keys fall back to Spark (`map_col[key]`, `element_at`) [datafusion-comet]
via GitHub
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2026/08/31
[I] Route unrecognized `StaticInvoke` and `Invoke` through the codegen dispatcher instead of falling back [datafusion-comet]
via GitHub
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2026/08/31
Re: [I] Scalar NaN and signed-zero sort keys split WindowGroupLimit rank peers [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] fix: accept UTC timezone aliases in Python Arrow input [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] feat: skip hash shuffle for date_bin/date_trunc on Range([timestamp]) [datafusion]
via GitHub
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2026/08/31
Re: [PR] feat: implement native Iceberg V2 writer via iceberg-rust [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] Snowflake: Add EXTERNAL VOLUME DDL [datafusion-sqlparser-rs]
via GitHub
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2026/08/31
Re: [PR] fix: bound native explode output batch size [datafusion-comet]
via GitHub
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2026/08/31
Re: [PR] feat: cleanup & simplify ballista config [datafusion-ballista]
via GitHub
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2026/08/31
Re: [PR] feat(scheduler): document REST API with OpenAPI and serve /api/openapi.json [datafusion-ballista]
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