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• 2026/08/26 Re: [PR] Feat/map sql extension types [datafusion] via GitHub
• 2026/08/26 Re: [PR] Feat/map sql extension types [datafusion] via GitHub
• 2026/08/26 Re: [PR] perf: use compact pruning for large string IN lists [datafusion] via GitHub
• 2026/08/26 Re: [PR] feat: bind task-owned RSS callbacks to native shuffle plans (4/n) [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] perf: optimizing take_n for DictionaryGroupValuesColumn [datafusion] via GitHub
• 2026/08/26 Re: [PR] perf: optimizing take_n for DictionaryGroupValuesColumn [datafusion] via GitHub
• 2026/08/26 Re: [PR] perf: use compact pruning for large string IN lists [datafusion] via GitHub
• 2026/08/26 [PR] feat: bind task-owned RSS callbacks to native shuffle plans (4/n) [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] perf: optimizing take_n for DictionaryGroupValuesColumn [datafusion] via GitHub
• 2026/08/26 Re: [PR] perf: optimizing take_n for DictionaryGroupValuesColumn [datafusion] via GitHub
• 2026/08/26 Re: [PR] perf: optimizing take_n for DictionaryGroupValuesColumn [datafusion] via GitHub
• 2026/08/26 Re: [PR] feat: add destination-aware native shuffle execution (3/n) [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: add destination-aware native shuffle execution (3/n) [datafusion-comet] via GitHub
• 2026/08/26 Re: [I] ci: Prebuild Linux CI images with toolchains and dependencies [datafusion-comet] via GitHub
• 2026/08/26 [I] ci: Prebuild Linux CI images with toolchains and dependencies [datafusion-comet] via GitHub
• 2026/08/26 Re: [I] [EPIC] Use blocked / chunked memory management in hash aggregation [datafusion] via GitHub
• 2026/08/26 Re: [PR] feat: support Map for `CreateArray` literal [datafusion-comet] via GitHub
• 2026/08/26 [PR] ci: extend Maven setup and retry dependency downloads [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: add experimental native support for in-memory cache, disabled by default [datafusion-comet] via GitHub
• 2026/08/26 Re: [I] Grouped approx_distinct can overflow Arrow BinaryArray state offsets [datafusion] via GitHub
• 2026/08/26 Re: [I] Long poll (async runtime stall) in HashAggregate when emitting large number of groups [datafusion] via GitHub
• 2026/08/26 Re: [I] Generate GroupByHash output in multiple `RecordBatch`es rather than one large one [datafusion] via GitHub
• 2026/08/26 Re: [I] Hash aggregation produces batches reporting huge memory size [datafusion] via GitHub
• 2026/08/26 Re: [I] [EPIC] Eliminate Long Polls in HashAggregate via Chunked Storage and Incremental Emission [datafusion] via GitHub
• 2026/08/26 Re: [I] Track long-term replacement for destructive EmitTo::First in aggregation [datafusion] via GitHub
• 2026/08/26 Re: [I] Grouping operations on large datasets can overflow i32 offsets [datafusion] via GitHub
• 2026/08/26 Re: [I] Manage group values and states by blocks in aggregation [datafusion] via GitHub
• 2026/08/26 Re: [PR] feat: add experimental native support for in-memory cache, disabled by default [datafusion-comet] via GitHub
• 2026/08/26 Re: [I] Fixed blocks in aggregation state for better memory management [datafusion] via GitHub
• 2026/08/26 [I] Large-offset Arrow vectors from PyArrow UDFs cannot be serialized for broadcast or collect [datafusion-comet] via GitHub
• 2026/08/26 Re: [I] Proposal: DataFusion Cookbook [datafusion] via GitHub
• 2026/08/26 Re: [PR] fix(proto): check plan integer conversions across usize boundaries [datafusion] via GitHub
• 2026/08/26 Re: [PR] Intermediate result blocked approach to aggregation memory management [datafusion] via GitHub
• 2026/08/26 Re: [PR] feat: add experimental native support for in-memory cache, disabled by default [datafusion-comet] via GitHub
• 2026/08/26 Re: [I] Comet aggregation task crashes with `offset overflow` [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: add experimental native support for in-memory cache, disabled by default [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: add experimental native support for in-memory cache, disabled by default [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: add spark.comet.explain.planOnly.enabled [datafusion-comet] via GitHub
• 2026/08/26 Re: [I] Improve aggregate performance with adaptive sizing in accumulators / avoiding reallocations in accumulators [datafusion] via GitHub
• 2026/08/26 Re: [I] Improve aggregate performance with adaptive sizing in accumulators / avoiding reallocations in accumulators [datafusion] via GitHub
• 2026/08/26 [I] Improve aggregate performance with adaptive sizing in accumulators / avoiding reallocations in accumulators [datafusion] via GitHub
• 2026/08/26 Re: [I] Improve aggregate performance with adaptive sizing in accumulators / avoiding reallocations in accumulators [datafusion] via GitHub
• 2026/08/26 [I] [EPIC] Use blocked / chunked memory management in hash aggregation [datafusion] via GitHub
• 2026/08/26 Re: [PR] Add DataFusion 55.0.0 release blog post [datafusion-site] via GitHub
• 2026/08/26 Re: [I] Adopt techniques from Spark's ArrowCachedBatchSerializer (SPARK-57268) in Comet's cache format [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: add experimental native support for in-memory cache, disabled by default [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: add experimental native support for in-memory cache, disabled by default [datafusion-comet] via GitHub
• 2026/08/26 Re: [I] Bug triage results: 2026-08-24 [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: add experimental native support for in-memory cache, disabled by default [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: add spark.comet.explain.planOnly.enabled [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] fix(proto): check plan integer conversions across usize boundaries [datafusion] via GitHub
• 2026/08/26 Re: [PR] feat: add experimental native support for in-memory cache, disabled by default [datafusion-comet] via GitHub
• 2026/08/26 [I] Adopt techniques from Spark's ArrowCachedBatchSerializer (SPARK-57268) in Comet's cache format [datafusion-comet] via GitHub
• 2026/08/26 [I] AQE + DPP + spark.comet.exec.transitionRevert.enabled fails with "SubqueryAdaptiveBroadcastExec does not support the execute() code path" [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: add experimental native support for in-memory cache, disabled by default [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] fix: preserve explicit Struct casts and evolved field semantics [datafusion] via GitHub
• 2026/08/26 Re: [PR] fix: preserve explicit Struct casts and evolved field semantics [datafusion] via GitHub
• 2026/08/26 [I] Cached reads that feed Spark operators are slower than Spark's own cache format [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] fix: [branch-1.0] backport five bug fixes for 1.0.1 [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] fix: [branch-1.0] backport five bug fixes for 1.0.1 [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: add experimental native support for in-memory cache, disabled by default [datafusion-comet] via GitHub
• 2026/08/26 Re: [I] Comet cache decode ignores column projection, making narrow reads of wide cached relations slower than Spark [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: add experimental native support for in-memory cache, disabled by default [datafusion-comet] via GitHub
• 2026/08/26 Re: [I] Validate BALLISTA_PROTOCOL_VERSION for clients, not just executors [datafusion-ballista] via GitHub
• 2026/08/26 Re: [PR] feat: widen output decimal type for decimal ceil/floor [datafusion] via GitHub
• 2026/08/26 Re: [PR] feat: add experimental native support for in-memory cache, disabled by default [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: add experimental native support for in-memory cache, disabled by default [datafusion-comet] via GitHub
• 2026/08/26 [I] Comet cache decode ignores column projection, making narrow reads of wide cached relations slower than Spark [datafusion-comet] via GitHub
• 2026/08/26 [PR] fix: preserve current AQE logical-stage links on Comet operators [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: widen output decimal type for decimal ceil/floor [datafusion] via GitHub
• 2026/08/26 [PR] feat: widen output decimal type for decimal ceil/floor [datafusion] via GitHub
• 2026/08/26 [I] CometExecRule overwrites direct AQE LogicalQueryStage links during replanning [datafusion-comet] via GitHub
• 2026/08/26 [PR] feat: add destination-aware native shuffle execution (3/n) [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] Honour operator precedence in `IS [NOT] DISTINCT FROM` [datafusion-sqlparser-rs] via GitHub
• 2026/08/26 Re: [PR] Account for transformer-retained batches in symmetric hash join [datafusion] via GitHub
• 2026/08/26 Re: [PR] feat: add spark.comet.explain.planOnly.enabled [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat(core): range shuffle reads only the bytes a consumer's range covers [datafusion-ballista] via GitHub
• 2026/08/26 Re: [PR] fix: revert unsafe partial aggregates after final fallback [datafusion-comet] via GitHub
• 2026/08/26 Re: [I] Update `bench.sh` to use the new `benchmark_runner` [datafusion] via GitHub
• 2026/08/26 Re: [PR] feat: add metrics tracking for file sinks and update orchestration fo… [datafusion] via GitHub
• 2026/08/26 Re: [PR] fix: preserve explicit Struct casts and evolved field semantics [datafusion] via GitHub
• 2026/08/26 Re: [PR] fix: preserve explicit Struct casts and evolved field semantics [datafusion] via GitHub
• 2026/08/26 Re: [PR] fix: preserve explicit Struct casts and evolved field semantics [datafusion] via GitHub
• 2026/08/26 Re: [PR] perf: use compact pruning for large string IN lists [datafusion] via GitHub
• 2026/08/26 Re: [PR] feat: add spark.comet.explain.planOnly.enabled [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] perf: use compact pruning for large string IN lists [datafusion] via GitHub
• 2026/08/26 Re: [PR] perf: use compact pruning for large string IN lists [datafusion] via GitHub
• 2026/08/26 Re: [PR] perf: use compact pruning for large string IN lists [datafusion] via GitHub
• 2026/08/26 Re: [PR] feat: RR partition with vectorized distribution [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] Prune parquet row groups using fully dictionary-encoded columns [datafusion] via GitHub
• 2026/08/26 Re: [PR] fix: ensure deferred-filtered outer joins preserve streamed output order [datafusion] via GitHub
• 2026/08/26 Re: [PR] feat: make StatisticsRegistry the default operator-statistics path [datafusion] via GitHub
• 2026/08/26 Re: [I] Implement `preimage` for `ceil` and `round` functions [datafusion] via GitHub
• 2026/08/26 Re: [PR] fix: preserve explicit Struct casts and evolved field semantics [datafusion] via GitHub
• 2026/08/26 Re: [PR] fix: preserve explicit Struct casts and evolved field semantics [datafusion] via GitHub
• 2026/08/26 Re: [PR] fix: support RunEndEncoded arrays in function and window frame type coercion [datafusion] via GitHub
• 2026/08/26 Re: [PR] feat: add partition writer destinations to native shuffle plans (2/n) [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: add partition writer destinations to native shuffle plans (2/n) [datafusion-comet] via GitHub
• 2026/08/26 Re: [I] Better error when the query contains reserved names [datafusion] via GitHub
• 2026/08/26 Re: [PR] fix: preserve explicit Struct casts and evolved field semantics [datafusion] via GitHub
• 2026/08/26 Re: [PR] Account for transformer-retained batches in symmetric hash join [datafusion] via GitHub
• 2026/08/26 Re: [PR] fix: preserve explicit Struct casts and evolved field semantics [datafusion] via GitHub
• 2026/08/26 Re: [PR] fix: preserve explicit Struct casts and evolved field semantics [datafusion] via GitHub
• 2026/08/26 Re: [PR] Honour operator precedence in `IS [NOT] DISTINCT FROM` [datafusion-sqlparser-rs] via GitHub
• 2026/08/26 Re: [PR] fix: tighten RSS writer visibility and JNI array limits [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] fix: tighten RSS writer visibility and JNI array limits [datafusion-comet] via GitHub
• 2026/08/26 Re: [I] Validate BALLISTA_PROTOCOL_VERSION for clients, not just executors [datafusion-ballista] via GitHub
• 2026/08/26 Re: [PR] Support config matrix for SLT tests [datafusion] via GitHub
• 2026/08/26 Re: [PR] Honour operator precedence in `IS [NOT] DISTINCT FROM` [datafusion-sqlparser-rs] via GitHub
• 2026/08/26 Re: [I] Validate BALLISTA_PROTOCOL_VERSION for clients, not just executors [datafusion-ballista] via GitHub
• 2026/08/26 Re: [PR] feat: project Spark 4 VARIANT columns in native Parquet scans [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] fix: revert unsafe partial aggregates after final fallback [datafusion-comet] via GitHub
• 2026/08/26 [PR] fix: [branch-1.0] backport five bug fixes for 1.0.1 [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] [branch-55] fix(ffi): use the session's LogicalExtensionCodec in create_physical_plan (#24690) [datafusion] via GitHub
• 2026/08/26 Re: [I] Validate BALLISTA_PROTOCOL_VERSION for clients, not just executors [datafusion-ballista] via GitHub
• 2026/08/26 Re: [PR] Honour operator precedence in `IS [NOT] DISTINCT FROM` [datafusion-sqlparser-rs] via GitHub
• 2026/08/26 Re: [PR] Range partition on primitives. [datafusion] via GitHub
• 2026/08/26 Re: [PR] feat: RR partition with vectorized distribution [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: support S3 compliant filesystems [datafusion-comet] via GitHub
• 2026/08/26 Re: [I] Comet aggregation task crashes with `offset overflow` [datafusion-comet] via GitHub
• 2026/08/26 Re: [I] Release datafusion-python 55.0.0 [datafusion-python] via GitHub
• 2026/08/26 Re: [PR] Honour operator precedence in `IS [NOT] DISTINCT FROM` [datafusion-sqlparser-rs] via GitHub
• 2026/08/26 Re: [PR] Honour operator precedence in `IS [NOT] DISTINCT FROM` [datafusion-sqlparser-rs] via GitHub
• 2026/08/26 Re: [PR] fix: preserve explicit Struct casts and evolved field semantics [datafusion] via GitHub
• 2026/08/26 [I] Better error when the query contains reserved names [datafusion] via GitHub
• 2026/08/26 Re: [I] Implement unbase64 natively instead of JVM codegen dispatch [datafusion-comet] via GitHub
• 2026/08/26 Re: [I] Release datafusion-python 55.0.0 [datafusion-python] via GitHub
• 2026/08/26 Re: [PR] feat: native `spark_unbase64` kernel [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] Honour operator precedence in `IS [NOT] DISTINCT FROM` [datafusion-sqlparser-rs] via GitHub
• 2026/08/26 Re: [I] Validate BALLISTA_PROTOCOL_VERSION for clients, not just executors [datafusion-ballista] via GitHub
• 2026/08/26 Re: [PR] docs: Remove stale "temporary fix" note from `get_record_batch_memory_size` [datafusion] via GitHub
• 2026/08/26 Re: [PR] Honour operator precedence in `IS [NOT] DISTINCT FROM` [datafusion-sqlparser-rs] via GitHub
• 2026/08/26 Re: [I] Validate BALLISTA_PROTOCOL_VERSION for clients, not just executors [datafusion-ballista] via GitHub
• 2026/08/26 Re: [PR] Account for transformer-retained batches in symmetric hash join [datafusion] via GitHub
• 2026/08/26 [I] Release datafusion-python 55.0.0 [datafusion-python] via GitHub
• 2026/08/26 Re: [I] Release datafusion-python 55.0.0 [datafusion-python] via GitHub
• 2026/08/26 [PR] chore: add string benches [datafusion-comet] via GitHub
• 2026/08/26 [PR] chore : add math benches [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: native `spark_unbase64` kernel [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] chore: use DataFusion 55.0.0 from crates.io [datafusion-python] via GitHub
• 2026/08/26 Re: [PR] feat: add native Delta Lake scan contrib module (page/row-group pruning) [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: project Spark 4 VARIANT columns in native Parquet scans [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] fix: preserve projection metadata during optimization [datafusion] via GitHub
• 2026/08/26 Re: [PR] feat: add RSS partition writer and task-owned JNI callback (1/n) [datafusion-comet] via GitHub
• 2026/08/26 Re: [I] Update `bench.sh` to use the new `benchmark_runner` [datafusion] via GitHub
• 2026/08/26 Re: [PR] feat: project Spark 4 VARIANT columns in native Parquet scans [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: expose native Parquet scan I/O and read-amplification metrics [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] perf: use compact pruning for large string IN lists [datafusion] via GitHub
• 2026/08/26 Re: [PR] feat: support Map for `CreateArray` literal [datafusion-comet] via GitHub
• 2026/08/26 Re: [I] Versioned documentation [datafusion] via GitHub
• 2026/08/26 Re: [I] Versioned documentation [datafusion] via GitHub
• 2026/08/26 Re: [PR] fix: preserve projection metadata during optimization [datafusion] via GitHub
• 2026/08/26 [I] Track and remove native Variant compatibility workarounds after upstream fixes [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] Account for transformer-retained batches in symmetric hash join [datafusion] via GitHub
• 2026/08/26 Re: [PR] fix: preserve projection metadata during optimization [datafusion] via GitHub
• 2026/08/26 Re: [PR] fix: preserve projection metadata during optimization [datafusion] via GitHub
• 2026/08/26 Re: [PR] fix: stop treating arithmetic negation as bitwise NOT [datafusion] via GitHub
• 2026/08/26 Re: [I] Track exact SpillWriter page bytes for O(1) memory usage sampling [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] fix: preserve projection metadata during optimization [datafusion] via GitHub
• 2026/08/26 Re: [PR] feat: support Map for `CreateArray` literal [datafusion-comet] via GitHub
• 2026/08/26 [PR] feat: add partition writer destinations to native shuffle plans (2/8) [datafusion-comet] via GitHub
• 2026/08/26 Re: [I] Track exact SpillWriter page bytes for O(1) memory usage sampling [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] fix: preserve explicit Struct casts and evolved field semantics [datafusion] via GitHub
• 2026/08/26 Re: [PR] fix: revert unsafe partial aggregates after final fallback [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] fix: preserve projection metadata during optimization [datafusion] via GitHub
• 2026/08/26 Re: [PR] fix: preserve explicit Struct casts and evolved field semantics [datafusion] via GitHub
• 2026/08/26 Re: [PR] fix: ensure deferred-filtered outer joins preserve streamed output order [datafusion] via GitHub
• 2026/08/26 Re: [PR] feat: add RSS partition writer and task-owned JNI callback (1/n) [datafusion-comet] via GitHub
• 2026/08/26 [PR] fix: tighten RSS writer visibility and JNI array limits [datafusion-comet] via GitHub
• 2026/08/26 Re: [I] Validate BALLISTA_PROTOCOL_VERSION for clients, not just executors [datafusion-ballista] via GitHub
• 2026/08/26 Re: [I] Remove Variant UTF-16 output rewriting [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: add RSS partition writer and task-owned JNI callback (1/n) [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] Account for transformer-retained batches in symmetric hash join [datafusion] via GitHub
• 2026/08/26 Re: [PR] docs(catalogs): fix punctuation and spacing [datafusion] via GitHub
• 2026/08/26 Re: [PR] fix: preserve explicit Struct casts and evolved field semantics [datafusion] via GitHub
• 2026/08/26 Re: [PR] chore(deps): bump taiki-e/install-action from 2.86.1 to 2.86.5 [datafusion] via GitHub
• 2026/08/26 [I] [Follow-up] Remove Variant UTF-16 output rewriting after upstream fixes [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: widen percentile input to use larger precision [datafusion] via GitHub
• 2026/08/26 Re: [PR] docs(catalogs): fix punctuation and spacing [datafusion] via GitHub
• 2026/08/26 Re: [I] Validate BALLISTA_PROTOCOL_VERSION for clients, not just executors [datafusion-ballista] via GitHub
• 2026/08/26 Re: [PR] feat: add RSS partition writer and task-owned JNI callback (1/n) [datafusion-comet] via GitHub
• 2026/08/26 Re: [I] Better error when the query contains reserved names [datafusion] via GitHub
• 2026/08/26 [PR] chore(python): build the Python client against DataFusion 55 [datafusion-ballista] via GitHub
• 2026/08/26 Re: [PR] Intermediate result blocked approach to aggregation memory management [datafusion] via GitHub
• 2026/08/26 [PR] chore: use DataFusion 55.0.0 from crates.io [datafusion-python] via GitHub
• 2026/08/26 Re: [I] Validate BALLISTA_PROTOCOL_VERSION for clients, not just executors [datafusion-ballista] via GitHub
• 2026/08/26 Re: [PR] Double Star and Helix [datafusion] via GitHub
• 2026/08/26 Re: [PR] fix: stop treating arithmetic negation as bitwise NOT [datafusion] via GitHub
• 2026/08/26 Re: [I] Comet aggregation task crashes with `offset overflow` [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] Double Star and Helix [datafusion] via GitHub
• 2026/08/26 Re: [PR] Double Star and Helix [datafusion] via GitHub
• 2026/08/26 Re: [PR] Account for transformer-retained batches in symmetric hash join [datafusion] via GitHub
• 2026/08/26 Re: [PR] feat: prototype allocator-level OOM protection (OomGuard breaker + cooperative real-usage accounting) [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] feat: support floating-point ASOF equality keys [datafusion] via GitHub
• 2026/08/26 Re: [PR] feat: expose native Parquet scan I/O and read-amplification metrics [datafusion-comet] via GitHub
• 2026/08/26 Re: [PR] Support config matrix for SLT tests [datafusion] via GitHub
• 2026/08/26 Re: [PR] Account for transformer-retained batches in symmetric hash join [datafusion] via GitHub
• 2026/08/26 Re: [PR] perf: use compact pruning for large string IN lists [datafusion] via GitHub
• 2026/08/26 Re: [PR] Account for transformer-retained batches in symmetric hash join [datafusion] via GitHub
• 2026/08/26 Re: [PR] Account for transformer-retained batches in symmetric hash join [datafusion] via GitHub

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