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• 2025/12/28 Re: [PR] perf: Optimize `contains` for scalar search arg (using `make_scalar_function_columnar`) [datafusion] via GitHub
• 2025/12/28 Re: [I] Idea: Hosting Compiler Explorer with latest arrow and Datafusion [datafusion] via GitHub
• 2025/12/28 [PR] perf: improve performance of levenshtein by reusing cache buffer [datafusion] via GitHub
• 2025/12/28 [I] [Proposal] Protobuf [datafusion-sqlparser-rs] via GitHub
• 2025/12/28 Re: [PR] Introduce `TypeSignatureClass::Any` [datafusion] via GitHub
• 2025/12/28 Re: [PR] fix: Implement `reset_state` for `LazyMemoryExec` [datafusion] via GitHub
• 2025/12/28 Re: [PR] fix: Implement `reset_state` for `LazyMemoryExec` [datafusion] via GitHub
• 2025/12/28 Re: [I] Teach the type arithmetic code to support date + time -> timestamp [datafusion] via GitHub
• 2025/12/28 Re: [PR] Date / time / interval arithmetic improvements [datafusion] via GitHub
• 2025/12/28 Re: [PR] feat: support timestamp + duration(second) arithmetic [datafusion] via GitHub
• 2025/12/28 Re: [I] Teach the type arithmetic code to support Timestamp + Duration(Second) -> timestamp [datafusion] via GitHub
• 2025/12/28 Re: [I] Teach the type arithmetic code to support timestamp + time -> timestamp [datafusion] via GitHub
• 2025/12/28 Re: [PR] Store example data directly inside the datafusion-examples (#19141) [datafusion] via GitHub
• 2025/12/28 Re: [PR] Store example data directly inside the datafusion-examples (#19141) [datafusion] via GitHub
• 2025/12/28 Re: [PR] perf: Optimize `contains` for scalar search arg (using `make_scalar_function_columnar`) [datafusion] via GitHub
• 2025/12/28 Re: [PR] Fix: SparkAscii nullability to depend on input nullability [datafusion] via GitHub
• 2025/12/28 [PR] Fix: SparkAscii nullability to depend on input nullability [datafusion] via GitHub
• 2025/12/28 Re: [I] Link is Broken [datafusion-python] via GitHub
• 2025/12/28 Re: [I] Date - Date returns a type inconsistent with other databases [datafusion] via GitHub
• 2025/12/28 Re: [I] Date - Date returns a type inconsistent with other databases [datafusion] via GitHub
• 2025/12/28 Re: [I] spark `ascii` need to have custom nullability [datafusion] via GitHub
• 2025/12/28 Re: [PR] perf: Optimize `starts_with` and `ends_with` for scalar arguments [datafusion] via GitHub
• 2025/12/28 Re: [PR] docs : clarify unused test utility [datafusion] via GitHub
• 2025/12/28 Re: [PR] chore(deps): bump taiki-e/install-action from 2.65.2 to 2.65.3 [datafusion] via GitHub
• 2025/12/28 [PR] perf: improve performance of string replace [datafusion] via GitHub
• 2025/12/28 Re: [PR] perf: Optimize `contains` for scalar search arg [datafusion] via GitHub
• 2025/12/28 [PR] perf: Optimize contains for scalar search arg (alternate approach) [datafusion] via GitHub
• 2025/12/28 Re: [PR] perf: Optimize `contains` for scalar search arg [datafusion] via GitHub
• 2025/12/28 [I] Link is Broken [datafusion-python] via GitHub
• 2025/12/28 [PR] feat: capture more metrics in distributed_query [datafusion-ballista] via GitHub
• 2025/12/28 Re: [PR] perf: improve performance of string repeat [datafusion] via GitHub
• 2025/12/28 Re: [PR] perf: improve performance of string repeat [datafusion] via GitHub
• 2025/12/28 Re: [PR] perf: Optimize `contains` for scalar search arg [datafusion] via GitHub
• 2025/12/28 Re: [PR] Date / time / interval arithmetic improvements [datafusion] via GitHub
• 2025/12/28 [I] Date - Date returns a type inconsistent with other databases [datafusion] via GitHub
• 2025/12/28 Re: [PR] Date / time / interval arithmetic improvements [datafusion] via GitHub
• 2025/12/28 [I] Date + interval returns a type inconsistent with other databases [datafusion] via GitHub
• 2025/12/28 [PR] metrics: added more metrics for multi-column group by [datafusion] via GitHub
• 2025/12/28 Re: [PR] Fix CometShuffleManager hang by deferring SparkEnv access [datafusion-comet] via GitHub
• 2025/12/28 [I] Add to our benchmarks Time Series Benchmark Suite by TimeScale [datafusion] via GitHub
• 2025/12/28 Re: [PR] feat: support Set Comparison Subquery [datafusion] via GitHub
• 2025/12/28 Re: [PR] feat: Add `preselection_threshold` option to `BinaryExpr` [datafusion] via GitHub
• 2025/12/28 Re: [PR] Preserve ORDER BY in Unparser for projection -> order by pattern [datafusion] via GitHub
• 2025/12/28 [PR] Feat: to_csv [datafusion-comet] via GitHub
• 2025/12/28 Re: [I] Operators should respect batch_size instead of Emit::All [datafusion] via GitHub
• 2025/12/28 [PR] Co-locate function parameter names and types with `Signature::with_parameters` [datafusion] via GitHub
• 2025/12/28 Re: [PR] perf: add prefetching for aggregate multi group by [WIP] [datafusion] via GitHub
• 2025/12/28 [PR] refactor: extract the data generate out of aggregate_topk benchmark [datafusion] via GitHub
• 2025/12/28 [PR] docs: Improve config tables' readability [datafusion] via GitHub
• 2025/12/28 [I] [docs] Config tables are difficult to read [datafusion] via GitHub
• 2025/12/28 Re: [PR] perf: add prefetching for aggregate multi group by [WIP] [datafusion] via GitHub
• 2025/12/28 Re: [PR] perf: add prefetching for aggregate multi group by [WIP] [datafusion] via GitHub
• 2025/12/28 Re: [PR] perf: add prefetching for aggregate multi group by [WIP] [datafusion] via GitHub
• 2025/12/28 Re: [PR] perf: add prefetching for aggregate multi group by [WIP] [datafusion] via GitHub
• 2025/12/28 Re: [PR] perf: add prefetching for aggregate multi group by [WIP] [datafusion] via GitHub
• 2025/12/28 Re: [PR] perf: add prefetching for aggregate multi group by [WIP] [datafusion] via GitHub
• 2025/12/28 Re: [PR] perf: add prefetching for aggregate multi group by [WIP] [datafusion] via GitHub
• 2025/12/28 Re: [PR] perf: add prefetching for aggregate multi group by [WIP] [datafusion] via GitHub
• 2025/12/28 [PR] perf: add prefetching for aggregate multi group by [WIP] [datafusion] via GitHub
• 2025/12/28 Re: [I] Operators should respect batch_size instead of Emit::All [datafusion] via GitHub
• 2025/12/28 Re: [I] [EPIC] Optimize performance for slow expressions [datafusion-comet] via GitHub
• 2025/12/28 [PR] fix: enhance CTE resolution with identifier normalization [datafusion] via GitHub
• 2025/12/28 Re: [I] Add test for DESCRIBE to substrait [datafusion] via GitHub
• 2025/12/28 Re: [I] Add test for DESCRIBE to substrait [datafusion] via GitHub
• 2025/12/28 Re: [PR] docs: add documentation for complex type cast support [datafusion-comet] via GitHub
• 2025/12/28 Re: [PR] fix : snapshot to the modern multiline format [datafusion] via GitHub
• 2025/12/28 Re: [PR] fix : snapshot to the modern multiline format [datafusion] via GitHub
• 2025/12/28 [PR] Fix BloomFilter buffer incompatibility between Spark and Comet [datafusion-comet] via GitHub
• 2025/12/28 Re: [PR] Replace deprecated structopt with clap in datafusion-benchmarks [datafusion] via GitHub
• 2025/12/28 Re: [I] Operators should respect batch_size instead of Emit::All [datafusion] via GitHub
• 2025/12/28 Re: [I] Placeholder types not inferred for `date_bin` (and possibly other functions depending on the signature) [datafusion] via GitHub
• 2025/12/28 Re: [I] Implementing `CatalogProvider` breaks quoted CTE names [datafusion] via GitHub
• 2025/12/28 [PR] Fix CometShuffleManager hang by deferring SparkEnv access [datafusion-comet] via GitHub
• 2025/12/28 Re: [PR] Refactor duplicate code in `type_coercion/functions.rs` [datafusion] via GitHub
• 2025/12/28 Re: [PR] docs : clarify unused test utility [datafusion] via GitHub
• 2025/12/28 Re: [PR] Refactor duplicate code in `type_coercion/functions.rs` [datafusion] via GitHub
• 2025/12/28 [PR] Refactor duplicate code in `type_coercion/functions.rs` [datafusion] via GitHub
• 2025/12/28 Re: [PR] perfect hash join [datafusion] via GitHub
• 2025/12/27 Re: [PR] docs : clarify unused test utility [datafusion] via GitHub
• 2025/12/27 Re: [PR] feat: Add support for remote Parquet HDFS writer with openDAL [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] perf: Improve performance of `CheckOverflow` [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] feat: Implement Spark functions hour, minute, second [datafusion] via GitHub
• 2025/12/27 Re: [PR] perf: Improve performance of `CheckOverflow` [datafusion-comet] via GitHub
• 2025/12/27 [PR] perf: Improve performance of `CheckOverflow` [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] perf: Optimize contains expression with SIMD-based scalar pattern sea… [datafusion-comet] via GitHub
• 2025/12/27 [PR] fix : snapshot to the modern multiline format [datafusion] via GitHub
• 2025/12/27 Re: [PR] Validate parquet writer version 17498 [datafusion] via GitHub
• 2025/12/27 [PR] perf: Optimize `starts_with` and `ends_with` for scalar arguments [datafusion] via GitHub
• 2025/12/27 [PR] Validate parquet writer version 17498 [datafusion] via GitHub
• 2025/12/27 Re: [I] Deduplicate Spark function code with native/default datafusion function code [datafusion] via GitHub
• 2025/12/27 [PR] perf: Optimize `contains` for scalar search arg [datafusion] via GitHub
• 2025/12/27 [PR] build(deps): bump arrow from 57.0.0 to 57.1.0 [datafusion-python] via GitHub
• 2025/12/27 [PR] build(deps): bump object_store from 0.12.4 to 0.13.0 [datafusion-python] via GitHub
• 2025/12/27 [PR] refactor: Spark `ascii` signature away from `user_defined` [datafusion] via GitHub
• 2025/12/27 Re: [PR] perf: Optimize contains expression with SIMD-based scalar pattern sea… [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] Add config to disable columnar shuffle for complex types [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] feat: Optimize startsWith and endsWith string functions [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] perf: Optimize contains expression with SIMD-based scalar pattern sea… [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] perf: Optimize contains expression with SIMD-based scalar pattern sea… [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] perf: Optimize contains expression with SIMD-based scalar pattern sea… [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] chore: deprecate native_comet scan in favor of native_iceberg_compat [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] feat: Optimize startsWith and endsWith string functions [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] perf: Improve performance of normalize_nan [datafusion-comet] via GitHub
• 2025/12/27 [PR] Feat/optimize strings 2973 [datafusion-comet] via GitHub
• 2025/12/27 [PR] perf: Improve performance of normalize_nan [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] perf: Improve performance of date truncate [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] Add config to disable columnar shuffle for complex types [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] Add config to disable columnar shuffle for complex types [datafusion-comet] via GitHub
• 2025/12/27 [I] Improve performance of timestamp truncate [datafusion-comet] via GitHub
• 2025/12/27 [PR] feat: Improve performance of date truncate [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] perf: improve performance of timestamp truncate [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] feat: Implement Spark functions hour, minute, second [datafusion] via GitHub
• 2025/12/27 [PR] feat: Implement Spark functions hour, minute, second [datafusion] via GitHub
• 2025/12/27 Re: [PR] docs : clarify unused test utility [datafusion] via GitHub
• 2025/12/27 Re: [PR] docs : clarify unused test utility [datafusion] via GitHub
• 2025/12/27 [PR] perf: improve performance of timestamp truncate [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] perf: Implement spark_translate function to improve `translate` performance [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] Allow Spark partial / Comet final for compatible aggregates [datafusion-comet] via GitHub
• 2025/12/27 [I] Improve performance of timestamp truncate [datafusion-comet] via GitHub
• 2025/12/27 Re: [I] Improve performance of timestamp truncate [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] Add option to disable evaluation of stable expressions in optimizer [datafusion] via GitHub
• 2025/12/27 Re: [PR] Redesign the try_reverse_output to support more cases [datafusion] via GitHub
• 2025/12/27 Re: [PR] Redesign the try_reverse_output to support more cases [datafusion] via GitHub
• 2025/12/27 Re: [PR] Redesign the try_reverse_output to support more cases [datafusion] via GitHub
• 2025/12/27 Re: [PR] perf: Improve performance of `to_hex` (> 2x) [datafusion] via GitHub
• 2025/12/27 Re: [PR] perf: Improve performance of `to_hex` (> 2x) [datafusion] via GitHub
• 2025/12/27 Re: [PR] docs : clarify unused test utility [datafusion] via GitHub
• 2025/12/27 Re: [PR] fix: derive custom nullable for spark make_interval [datafusion] via GitHub
• 2025/12/27 Re: [PR] fix: derive custom nullable for spark make_interval [datafusion] via GitHub
• 2025/12/27 Re: [I] spark `make_interval` need to have custom nullability [datafusion] via GitHub
• 2025/12/27 Re: [PR] perf: Implement spark_translate function to improve `translate` performance [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] chore: enforce clippy::allow_attributes for datafusion-ffi crate [datafusion] via GitHub
• 2025/12/27 Re: [I] Improve performance of `translate` expression [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] docs : clarify unused test utility [datafusion] via GitHub
• 2025/12/27 Re: [PR] docs : clarify unused test utility [datafusion] via GitHub
• 2025/12/27 Re: [PR] feat: Ensure catalog format in config is valid [datafusion] via GitHub
• 2025/12/27 Re: [PR] Replace deprecated structopt with clap in datafusion-benchmarks [datafusion] via GitHub
• 2025/12/27 Re: [PR] fix: derive custom nullable for spark make_interval [datafusion] via GitHub
• 2025/12/27 Re: [PR] Replace deprecated structopt with clap in datafusion-benchmarks [datafusion] via GitHub
• 2025/12/27 Re: [PR] fix: derive custom nullable for spark make_interval [datafusion] via GitHub
• 2025/12/27 Re: [I] spark `ascii` need to have custom nullability [datafusion] via GitHub
• 2025/12/27 Re: [I] spark `ascii` need to have custom nullability [datafusion] via GitHub
• 2025/12/27 Re: [PR] fix: UDF default return_field_from_args correctly computes nullability from input arguments [datafusion] via GitHub
• 2025/12/27 Re: [PR] fix: UDF default return_field_from_args correctly computes nullability from input arguments [datafusion] via GitHub
• 2025/12/27 [I] Consider changing nullability of UDFs to depend on inputs by default [datafusion] via GitHub
• 2025/12/27 Re: [PR] docs : clarify unused test utility [datafusion] via GitHub
• 2025/12/27 Re: [I] spark `elt` need to have custom nullability [datafusion] via GitHub
• 2025/12/27 [I] spark `elt` need to have custom nullability [datafusion] via GitHub
• 2025/12/27 Re: [PR] fix: spark elt custom nullability [datafusion] via GitHub
• 2025/12/27 [PR] Revert Spark Elt nullability change [datafusion] via GitHub
• 2025/12/27 Re: [I] Proposal: Prune complex predicates by propagating column statistics [datafusion] via GitHub
• 2025/12/27 [PR] fix: Median() encountered integer overflow and truncates integer results [datafusion] via GitHub
• 2025/12/27 Re: [PR] feat: Improve sort memory resilience [datafusion] via GitHub
• 2025/12/27 Re: [I] Proposal: Prune complex predicates by propagating column statistics [datafusion] via GitHub
• 2025/12/27 Re: [I] Proposal: Prune complex predicates by propagating column statistics [datafusion] via GitHub
• 2025/12/27 Re: [I] [DISCUSSION] Conditional Utf8View support for downstream projects [datafusion] via GitHub
• 2025/12/27 Re: [I] spark `width_bucket` need to have custom nullability [datafusion] via GitHub
• 2025/12/27 Re: [PR] Redesign the try_reverse_output to support more cases [datafusion] via GitHub
• 2025/12/27 Re: [PR] feat: Improve sort memory resilience [datafusion] via GitHub
• 2025/12/27 Re: [PR] Date / time / interval arithmetic improvements [datafusion] via GitHub
• 2025/12/27 Re: [PR] feat: Improve sort memory resilience [datafusion] via GitHub
• 2025/12/27 Re: [PR] fix: custom nullability for spark rint [datafusion] via GitHub
• 2025/12/27 Re: [I] spark `rint` need to have custom nullability [datafusion] via GitHub
• 2025/12/27 Re: [I] spark `rint` need to have custom nullability [datafusion] via GitHub
• 2025/12/27 Re: [I] spark `parse_url` need to have custom nullability [datafusion] via GitHub
• 2025/12/27 Re: [PR] fix: implement custom nullability for spark `csc` and `sec` functions [datafusion] via GitHub
• 2025/12/27 Re: [I] spark `rint` need to have custom nullability [datafusion] via GitHub
• 2025/12/27 Re: [PR] Add option to disable evaluation of stable expressions in optimizer [datafusion] via GitHub
• 2025/12/27 Re: [PR] Automatically generate examples documentation (#19294) [datafusion] via GitHub
• 2025/12/27 Re: [PR] Add CI check to ensure examples are documented in README [datafusion] via GitHub
• 2025/12/27 Re: [PR] Add CI check to ensure examples are documented in README [datafusion] via GitHub
• 2025/12/27 Re: [PR] chore: enforce clippy::allow_attributes for datafusion-ffi crate [datafusion] via GitHub
• 2025/12/27 Re: [PR] chore: enforce clippy::allow_attributes for datafusion-ffi crate [datafusion] via GitHub
• 2025/12/27 Re: [PR] fix: custom nullability for spark csc [datafusion] via GitHub
• 2025/12/27 Re: [I] spark `csc` need to have custom nullability [datafusion] via GitHub
• 2025/12/27 Re: [I] spark `csc` need to have custom nullability [datafusion] via GitHub
• 2025/12/27 Re: [PR] fix: implement custom nullability for spark `csc` and `sec` functions [datafusion] via GitHub
• 2025/12/27 Re: [PR] Add: PI upper/lower bound f16 constants to ScalarValue [datafusion] via GitHub
• 2025/12/27 Re: [PR] Add: PI upper/lower bound f16 constants to ScalarValue [datafusion] via GitHub
• 2025/12/27 Re: [I] Support scalarvalue APIs for f16 regarding Pi values [datafusion] via GitHub
• 2025/12/27 [PR] docs : clarify unused test utility [datafusion] via GitHub
• 2025/12/27 Re: [PR] Enable parquet filter pushdown by default [datafusion] via GitHub
• 2025/12/27 Re: [PR] perf: Implement spark_translate function to improve `translate` performance [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] fix: implement custom nullability for spark `csc` and `sec` functions [datafusion] via GitHub
• 2025/12/27 [PR] fix: implement custom nullability for spark `csc` and `sec` functions [datafusion] via GitHub
• 2025/12/27 [PR] minor: run all examples by default [datafusion] via GitHub
• 2025/12/27 Re: [I] spark `csc` need to have custom nullability [datafusion] via GitHub
• 2025/12/27 [PR] Allow Spark partial / Comet final for compatible aggregates [datafusion-comet] via GitHub
• 2025/12/27 Re: [PR] perf: Implement spark_translate function to improve `translate` performance [datafusion-comet] via GitHub
• 2025/12/27 [PR] perf: Implement spark_translate function to improve `translate` performance [datafusion-comet] via GitHub
• 2025/12/27 [PR] Add config to disable columnar shuffle for complex types [datafusion-comet] via GitHub
• 2025/12/27 Re: [I] bug: Median() encountered integer overflow and truncates integer results [datafusion] via GitHub
• 2025/12/27 Re: [I] Improve performance of `translate` expression [datafusion-comet] via GitHub
• 2025/12/26 Re: [I] bug: Median() encountered integer overflow and truncates integer results [datafusion] via GitHub
• 2025/12/26 Re: [PR] perf: Optimize contains expression with SIMD-based scalar pattern sea… [datafusion-comet] via GitHub
• 2025/12/26 Re: [PR] feat: Add support for `RegExpExtract`/`RegExpExtractAll` [datafusion-comet] via GitHub
• 2025/12/26 [PR] perf: Optimize contains expression with SIMD-based scalar pattern sea… [datafusion-comet] via GitHub
• 2025/12/26 Re: [PR] feat: Add support for `RegExpExtract`/`RegExpExtractAll` [datafusion-comet] via GitHub
• 2025/12/26 Re: [PR] Automatically generate examples documentation (#19294) [datafusion] via GitHub
• 2025/12/26 Re: [I] Support `EXPLAIN ANALYZE` in Ballista [datafusion-ballista] via GitHub

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