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• 2026/01/29 Re: [PR] Improve documentation for ScalarUDFImpl::preimage [datafusion] via GitHub
• 2026/01/29 Re: [PR] Optimize the evaluation of date_part(<col>) == <constant> when pushed down [datafusion] via GitHub
• 2026/01/29 Re: [PR] fix(expr): coerce literal arguments in return_field_from_args for UDFs [datafusion] via GitHub
• 2026/01/29 [PR] test: [iceberg] [branch-0.13] Test CI [datafusion-comet] via GitHub
• 2026/01/29 [PR] fix: race condition in SpillPool caused by buffered stream [datafusion] via GitHub
• 2026/01/29 Re: [PR] chore: Enable native c2r in plan stability suite [datafusion-comet] via GitHub
• 2026/01/29 Re: [I] [EPIC] Implement native columnar to row operator [datafusion-comet] via GitHub
• 2026/01/29 [PR] Add contributor guide page for SQL file tests [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] Use BooleanBufferBuilder rather than Vec<bool> in ArrowBytesViewMap [datafusion] via GitHub
• 2026/01/29 Re: [PR] fix: The limit_pushdown physical optimization rule removes limits in some cases leading to incorrect results [datafusion] via GitHub
• 2026/01/29 Re: [PR] Minor: update tests in limit_pushdown.rs to insta [datafusion] via GitHub
• 2026/01/29 [PR] Minor: update tests in limit_pushdown.rs to insta [datafusion] via GitHub
• 2026/01/29 Re: [PR] tests: Add SQL test files covering edge cases for (almost) every Comet-supported expression [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] Feat: add support for `elt` expression [datafusion-comet] via GitHub
• 2026/01/29 [I] GetArrayItem returns incorrect results with dynamic index [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] tests: Add SQL test files covering edge cases for (almost) every Comet-supported expression [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] fix: regression of `dict_id` in physical plan proto [datafusion] via GitHub
• 2026/01/29 Re: [PR] tests: Add SQL test files covering edge cases for (almost) every Comet-supported expression [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] tests: Add SQL test files covering edge cases for (almost) every Comet-supported expression [datafusion-comet] via GitHub
• 2026/01/29 Re: [I] Optimize FilterExec when output projection is empty [datafusion] via GitHub
• 2026/01/29 Re: [PR] fix: The limit_pushdown physical optimization rule removes limits in some cases leading to incorrect results [datafusion] via GitHub
• 2026/01/29 Re: [PR] tests: Add SQL test files covering edge cases for every Comet-supported expression [WIP] [datafusion-comet] via GitHub
• 2026/01/29 [I] GetArrayItem returns wrong results (off-by-one index) [datafusion-comet] via GitHub
• 2026/01/29 [I] width_bucket fails: Int32 downcast to Int64Array [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] tests: Add SQL test files covering edge cases for every Comet-supported expression [WIP] [datafusion-comet] via GitHub
• 2026/01/29 [PR] feat: add ExpressionPlacement enum for optimizer expression placement decisions [datafusion] via GitHub
• 2026/01/29 Re: [PR] feat: Add support for `RegExpExtract`/`RegExpExtractAll` [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] tests: Add SQL test files covering edge cases for every Comet-supported expression [WIP] [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] tests: Add SQL test files covering edge cases for every Comet-supported expression [WIP] [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] test: [iceberg] Test CI for runtime filtering bug [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] tests: Add SQL test files covering edge cases for every Comet-supported expression [WIP] [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] Feat: add support for `elt` expression [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] Optimize arrow bytes view map [datafusion] via GitHub
• 2026/01/29 Re: [PR] Optimize arrow bytes view map [datafusion] via GitHub
• 2026/01/29 Re: [PR] feat(spark): Adds negative spark function [datafusion] via GitHub
• 2026/01/29 Re: [PR] feat(spark): Adds negative spark function [datafusion] via GitHub
• 2026/01/29 Re: [PR] feat(spark): Adds negative spark function [datafusion] via GitHub
• 2026/01/29 Re: [PR] feat(spark): Adds negative spark function [datafusion] via GitHub
• 2026/01/29 Re: [PR] Optimize arrow bytes view map [datafusion] via GitHub
• 2026/01/29 Re: [I] Extended tests now take over 2 hours to run [datafusion] via GitHub
• 2026/01/29 Re: [PR] chore: Document ballista features in README.md [datafusion-ballista] via GitHub
• 2026/01/29 Re: [PR] chore: Document ballista features in README.md [datafusion-ballista] via GitHub
• 2026/01/29 [PR] test: [iceberg] Test CI for runtime filtering bug [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] Add Parquet read pruning configuration for max elements in inList [datafusion] via GitHub
• 2026/01/29 Re: [PR] feat(spark): Adds negative spark function [datafusion] via GitHub
• 2026/01/29 Re: [PR] Implement preimage for floor function to enable predicate pushdown [datafusion] via GitHub
• 2026/01/29 Re: [PR] Use BooleanBufferBuilder rather than Vec<bool> in ArrowBytesViewMap [datafusion] via GitHub
• 2026/01/29 Re: [PR] Optimize arrow bytes view map [datafusion] via GitHub
• 2026/01/29 Re: [PR] Implement preimage for floor function to enable predicate pushdown [datafusion] via GitHub
• 2026/01/29 Re: [PR] fix(spark-expr): handle array length mismatch in datediff for dictionary-backed timestamps [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] feat(spark): Adds negative spark function [datafusion] via GitHub
• 2026/01/29 Re: [PR] feat(spark): Adds negative spark function [datafusion] via GitHub
• 2026/01/29 Re: [PR] refactor: Rename `FileSource::try_reverse_output` to `FileSource::try_pushdown_sort` [datafusion] via GitHub
• 2026/01/29 Re: [PR] tests: Add SQL file-based test framework [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] refactor: Rename `FileSource::try_reverse_output` to `FileSource::try_pushdown_sort` [datafusion] via GitHub
• 2026/01/29 Re: [PR] tests: Add SQL file-based test framework [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] tests: Add ~115 SQL test files covering edge cases for every Comet-supported expression [WIP] [datafusion-comet] via GitHub
• 2026/01/29 Re: [I] [EPIC] Improve Cluster Observability [datafusion-ballista] via GitHub
• 2026/01/29 Re: [PR] Use BooleanBufferBuilder rather than Vec<bool> in ArrowBytesViewMap [datafusion] via GitHub
• 2026/01/29 [PR] tests: Add ~115 SQL test files covering edge cases for every Comet-supported expression [WIP] [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] Optimize arrow bytes view map [datafusion] via GitHub
• 2026/01/29 Re: [PR] Optimize arrow bytes view map [datafusion] via GitHub
• 2026/01/29 Re: [PR] Optimize arrow bytes view map [datafusion] via GitHub
• 2026/01/29 Re: [PR] Use BooleanBufferBuilder rather than Vec<bool> in ArrowBytesViewMap [datafusion] via GitHub
• 2026/01/29 Re: [PR] Use BooleanBufferBuilder rather than Vec<bool> in ArrowBytesViewMap [datafusion] via GitHub
• 2026/01/29 Re: [PR] Use BooleanBufferBuilder rather than Vec<bool> in ArrowBytesViewMap [datafusion] via GitHub
• 2026/01/29 [I] space() with negative input causes native crash [datafusion-comet] via GitHub
• 2026/01/29 [I] map_from_arrays() with NULL inputs causes native crash [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] Use BooleanBufferBuilder rather than Vec<bool> in ArrowBytesViewMap [datafusion] via GitHub
• 2026/01/29 Re: [PR] Use BooleanBufferBuilder rather than Vec<bool> in ArrowBytesViewMap [datafusion] via GitHub
• 2026/01/29 Re: [I] [EPIC] Improve Cluster Observability [datafusion-ballista] via GitHub
• 2026/01/29 Re: [PR] Fix parsing of :: cast after parenthesized DEFAULT expression [datafusion-sqlparser-rs] via GitHub
• 2026/01/29 Re: [PR] Fix hour/minute/second handling for TimestampNTZ [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] Use BooleanBufferBuilder rather than Vec<bool> in ArrowBytesViewMap [datafusion] via GitHub
• 2026/01/29 [PR] Use BooleanBufferBuilder rather than Vec<bool> in ArrowBytesViewMap [datafusion] via GitHub
• 2026/01/29 Re: [PR] feat(spark): Adds negative spark function [datafusion] via GitHub
• 2026/01/29 Re: [PR] perf: improve performance of `array_repeat` function [datafusion] via GitHub
• 2026/01/29 Re: [PR] refactor: Rename `FileSource::try_reverse_output` to `FileSource::try_pushdown_sort` [datafusion] via GitHub
• 2026/01/29 Re: [PR] perf: improve performance of `array_repeat` function [datafusion] via GitHub
• 2026/01/29 Re: [PR] Optimize arrow bytes view map [datafusion] via GitHub
• 2026/01/29 Re: [PR] perf: Parallelize list_files_for_scan using tokio::task::JoinSet [datafusion] via GitHub
• 2026/01/29 Re: [I] Reuse file descriptors for LocalFileSystem object storage [datafusion] via GitHub
• 2026/01/29 Re: [PR] tests: Add SQL file-based test framework [datafusion-comet] via GitHub
• 2026/01/29 Re: [I] Dictionary-encoded Timestamp / TimestampNTZ not handled in extract_date_part [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] Optimize arrow bytes view map [datafusion] via GitHub
• 2026/01/29 [PR] Add SQL file-based test framework [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] Optimize arrow bytes view map [datafusion] via GitHub
• 2026/01/29 Re: [I] Indeterministic test failure in `SpillPool` [datafusion] via GitHub
• 2026/01/29 Re: [PR] [MySQL, Oracle] Parse optimizer hints [datafusion-sqlparser-rs] via GitHub
• 2026/01/29 Re: [PR] fix(spark-expr): handle array length mismatch in datediff for dictionary-backed timestamps [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] fix(spark-expr): handle array length mismatch in datediff for dictionary-backed timestamps [datafusion-comet] via GitHub
• 2026/01/29 Re: [I] Extended tests now take over 2 hours to run [datafusion] via GitHub
• 2026/01/29 [I] [Bug] extract_date_part does not handle dictionary-encoded Timestamp / TimestampNTZ [datafusion-comet] via GitHub
• 2026/01/29 Re: [PR] perf: Parallelize list_files_for_scan using tokio::task::JoinSet [datafusion] via GitHub
• 2026/01/29 [PR] fix: regression of `dict_id` in physical plan proto [datafusion] via GitHub
• 2026/01/29 [I] [EPIC] Improve cluster observability [datafusion-ballista] via GitHub
• 2026/01/29 [PR] test runs on blocking policy [datafusion-sandbox] via GitHub
• 2026/01/29 Re: [PR] MySQL: Add support for `SELECT` modifiers [datafusion-sqlparser-rs] via GitHub
• 2026/01/29 Re: [PR] perf: Parallelize list_files_for_scan using tokio::task::JoinSet [datafusion] via GitHub
• 2026/01/29 Re: [PR] Consolidate filters and projections onto `TableScan` [datafusion] via GitHub
• 2026/01/29 Re: [PR] Optimize arrow bytes view map [datafusion] via GitHub
• 2026/01/29 Re: [I] Associate multi-line comments with their query blocks for implementing Optimizer Hints [datafusion-sqlparser-rs] via GitHub
• 2026/01/29 Re: [PR] Fixed select dollar column from stage for snowflake [datafusion-sqlparser-rs] via GitHub
• 2026/01/29 Re: [PR] Snowflake: add Snowflake multi table insert support & add support for sample in subquery [datafusion-sqlparser-rs] via GitHub
• 2026/01/29 Re: [PR] Redshift: Support implicit string concatenation using newline [datafusion-sqlparser-rs] via GitHub
• 2026/01/29 Re: [I] Physical plan proto roundtrip for null-valued scalar of a `Struct(Dict)` data type [datafusion] via GitHub
• 2026/01/29 Re: [PR] Fix identifier parsing not breaking on the `|>` pipe operator [datafusion-sqlparser-rs] via GitHub
• 2026/01/29 Re: [PR] perf: Optimize scalar path for ltrim function [datafusion] via GitHub
• 2026/01/29 Re: [PR] Fix parsing of :: cast after parenthesized DEFAULT expression [datafusion-sqlparser-rs] via GitHub
• 2026/01/29 [PR] Runs on test [datafusion] via GitHub
• 2026/01/29 Re: [PR] Runs on test [datafusion] via GitHub
• 2026/01/29 Re: [D] Google Summer of Code (GSoC) 2026 [datafusion] via GitHub
• 2026/01/29 [PR] Consolidate filters and projections onto `TableScan` [datafusion] via GitHub
• 2026/01/29 Re: [I] Reuse file descriptors for LocalFileSystem object storage [datafusion] via GitHub
• 2026/01/29 Re: [I] Optimize FilterExec when output projection is empty [datafusion] via GitHub
• 2026/01/29 Re: [PR] Databricks: Add support for OPTIMIZE, PARTITIONED BY, and STRUCT syntax [datafusion-sqlparser-rs] via GitHub
• 2026/01/29 Re: [PR] refactor: restrict ParquetOpener field visibility to `pub(crate)` [datafusion] via GitHub
• 2026/01/29 Re: [PR] refactor: restrict ParquetOpener field visibility to `pub(crate)` [datafusion] via GitHub
• 2026/01/29 Re: [PR] fix: increase ROUND decimal precision to prevent overflow truncation [datafusion] via GitHub
• 2026/01/29 Re: [I] Make PyDataFrame.inner_df() public [datafusion-python] via GitHub
• 2026/01/29 Re: [I] Make PyDataFrame.inner_df() public [datafusion-python] via GitHub
• 2026/01/29 Re: [PR] feat: optimise copying in `left` for Utf8 and LargeUtf8 [datafusion] via GitHub
• 2026/01/29 Re: [I] Optimize FilterExec when output projection is empty [datafusion] via GitHub
• 2026/01/29 Re: [PR] Implement preimage for floor function to enable predicate pushdown [datafusion] via GitHub
• 2026/01/29 Re: [PR] (won't merge) Read spill files with stream.perf [datafusion-ballista] via GitHub
• 2026/01/29 Re: [PR] refactor: restrict ParquetOpener field visibility to `pub(crate)` [datafusion] via GitHub
• 2026/01/29 Re: [PR] (won't merge) Read spill files with stream.perf [datafusion-ballista] via GitHub
• 2026/01/29 Re: [PR] Enable inlist support for preimage [datafusion] via GitHub
• 2026/01/29 Re: [PR] perf: Optimize scalar path for ltrim function [datafusion] via GitHub
• 2026/01/29 Re: [I] Add support for Jupyter notebooks in Ballista [datafusion-ballista] via GitHub
• 2026/01/29 Re: [I] Add support for Jupyter notebooks in Ballista [datafusion-ballista] via GitHub
• 2026/01/29 Re: [I] Reuse file descriptors for LocalFileSystem object storage [datafusion] via GitHub
• 2026/01/29 Re: [PR] replace private is_volatile_expression_tree with equivalent public is_volatile [datafusion] via GitHub
• 2026/01/29 Re: [I] Implement Adaptive query execution [datafusion-ballista] via GitHub
• 2026/01/29 Re: [I] Optimize shuffle before coalesce [datafusion-ballista] via GitHub
• 2026/01/29 Re: [I] Implement Adaptive query execution [datafusion-ballista] via GitHub
• 2026/01/29 Re: [I] docs.rs failed to build Ballista 0.8.0 [datafusion-ballista] via GitHub
• 2026/01/29 Re: [I] docs.rs failed to build Ballista 0.8.0 [datafusion-ballista] via GitHub
• 2026/01/29 [PR] refactor: restrict ParquetOpener field visibility to `pub(crate)` [datafusion] via GitHub
• 2026/01/29 Re: [PR] (won't merge) Read spill files with stream.perf [datafusion-ballista] via GitHub
• 2026/01/29 Re: [PR] chore(deps): bump tonic from 0.14.2 to 0.14.3 [datafusion-ballista] via GitHub
• 2026/01/29 Re: [I] [Process] Use release branches to unblock PR merges [datafusion-ballista] via GitHub
• 2026/01/29 Re: [I] [Process] Use release branches to unblock PR merges [datafusion-ballista] via GitHub
• 2026/01/29 Re: [PR] chore: Bump Spark from 3.5.7 to 3.5.8 [datafusion-comet] via GitHub
• 2026/01/29 Re: [I] Fix formatting differences in datafusion.proto between datafusion and ballista repos [datafusion-ballista] via GitHub
• 2026/01/29 Re: [I] Fix formatting differences in datafusion.proto between datafusion and ballista repos [datafusion-ballista] via GitHub
• 2026/01/29 Re: [I] Long running stability [datafusion-ballista] via GitHub
• 2026/01/29 Re: [I] Long running stability [datafusion-ballista] via GitHub
• 2026/01/29 [PR] chore: Bump Spark from 3.5.7 to 3.5.8 [datafusion-comet] via GitHub
• 2026/01/29 Re: [I] Physical plan proto roundtrip for null-valued scalar of a `Struct(Dict)` data type [datafusion] via GitHub
• 2026/01/29 Re: [PR] chore(deps): bump tonic-prost from 0.14.2 to 0.14.3 [datafusion-ballista] via GitHub
• 2026/01/29 Re: [PR] Add heap memory estimation for statistics [datafusion] via GitHub
• 2026/01/29 Re: [PR] perf: Parallelize list_files_for_scan using tokio::task::JoinSet [datafusion] via GitHub
• 2026/01/29 Re: [PR] perf: Optimize scalar path for ltrim function [datafusion] via GitHub
• 2026/01/29 Re: [PR] chore(deps): bump tonic-prost-build from 0.14.2 to 0.14.3 [datafusion-ballista] via GitHub
• 2026/01/29 Re: [PR] chore(deps): bump tonic-build from 0.14.2 to 0.14.3 [datafusion-ballista] via GitHub
• 2026/01/29 Re: [I] Provide support for SSL/TSL connections [datafusion-ballista] via GitHub
• 2026/01/29 Re: [PR] feat: Cluster RPC customisations to support TLS and custom headers [datafusion-ballista] via GitHub
• 2026/01/29 Re: [PR] Cluster RPC customizations to support TLS and custom headers [datafusion-ballista] via GitHub
• 2026/01/29 Re: [PR] perf: Parallelize list_files_for_scan using tokio::task::JoinSet [datafusion] via GitHub
• 2026/01/29 Re: [PR] Support different scales for decimal binary math functions [datafusion] via GitHub
• 2026/01/29 Re: [I] Physical plan proto roundtrip for null-valued scalar of a `Struct(Dict)` data type [datafusion] via GitHub
• 2026/01/29 Re: [PR] perf: Optimize scalar path for ltrim function [datafusion] via GitHub
• 2026/01/29 Re: [PR] fix: downgrade spill memory warning from warn to debug (#19846) [datafusion] via GitHub
• 2026/01/29 Re: [PR] fix: enable clone_on_ref_ptr clippy lint at workspace level (#17083) [datafusion] via GitHub
• 2026/01/29 Re: [PR] fix: enable clone_on_ref_ptr clippy lint at workspace level (#17083) [datafusion] via GitHub
• 2026/01/29 Re: [PR] perf: improve performance of `array_repeat` function [datafusion] via GitHub
• 2026/01/29 Re: [PR] fix: enable clone_on_ref_ptr clippy lint at workspace level (#17083) [datafusion] via GitHub
• 2026/01/29 Re: [PR] refactor: Rename `FileSource::try_reverse_output` to `FileSource::try_pushdown_sort` [datafusion] via GitHub
• 2026/01/29 Re: [PR] perf: Optimize scalar path for ltrim function [datafusion] via GitHub
• 2026/01/29 Re: [PR] perf: Optimize scalar path for ltrim function [datafusion] via GitHub
• 2026/01/29 Re: [PR] fix: enable clone_on_ref_ptr clippy lint at workspace level (#17083) [datafusion] via GitHub
• 2026/01/29 Re: [PR] fix: enable clone_on_ref_ptr clippy lint at workspace level (#17083) [datafusion] via GitHub
• 2026/01/29 Re: [PR] fix: downgrade spill memory warning from warn to debug (#19846) [datafusion] via GitHub
• 2026/01/29 Re: [PR] perf: Optimize scalar path for ltrim function [datafusion] via GitHub
• 2026/01/29 Re: [PR] perf: Parallelize list_files_for_scan using tokio::task::JoinSet [datafusion] via GitHub
• 2026/01/28 Re: [PR] Optimize arrow bytes view map [datafusion] via GitHub
• 2026/01/28 Re: [PR] fix(expr): coerce literal arguments in return_field_from_args for UDFs [datafusion] via GitHub
• 2026/01/28 Re: [PR] perf: Parallelize list_files_for_scan using tokio::task::JoinSet [datafusion] via GitHub
• 2026/01/28 Re: [PR] Optimize arrow bytes view map [datafusion] via GitHub
• 2026/01/28 [PR] Implement preimage for floor function to enable predicate pushdown [datafusion] via GitHub
• 2026/01/28 Re: [I] Optimize `ORDER BY time DESC LIMIT 1` queries ( TopK or aggr rewrite) [datafusion] via GitHub
• 2026/01/28 [PR] fix: enable clone_on_ref_ptr clippy lint at workspace level (#17083) [datafusion] via GitHub
• 2026/01/28 Re: [PR] Wrap immutable plan parts into Arc [datafusion] via GitHub
• 2026/01/28 Re: [PR] feat: add AggregateMode::PartialReduce for tree-reduce aggregation [datafusion] via GitHub
• 2026/01/28 Re: [PR] feat: add AggregateMode::PartialReduce for tree-reduce aggregation [datafusion] via GitHub
• 2026/01/28 Re: [PR] fix(core): Correctly handle nested async UDF execution [datafusion] via GitHub
• 2026/01/28 Re: [PR] perf: Optimize scalar path for ltrim function [datafusion] via GitHub
• 2026/01/28 Re: [PR] fix(core): Correctly handle nested async UDF execution [datafusion] via GitHub
• 2026/01/28 [PR] fix: downgrade spill memory warning from warn to debug (#19846) [datafusion] via GitHub
• 2026/01/28 Re: [PR] feat: [iceberg] allow native Iceberg scans with non-identity transform residuals [datafusion-comet] via GitHub
• 2026/01/28 Re: [PR] feat: [iceberg] allow native Iceberg scans with non-identity transform residuals [datafusion-comet] via GitHub
• 2026/01/28 Re: [PR] feat: [iceberg] allow native Iceberg scans with non-identity transform residuals [datafusion-comet] via GitHub
• 2026/01/28 Re: [PR] feat: [iceberg] allow native Iceberg scans with non-identity transform residuals [datafusion-comet] via GitHub
• 2026/01/28 Re: [PR] feat: [iceberg] allow native Iceberg scans with non-identity transform residuals [datafusion-comet] via GitHub
• 2026/01/28 Re: [PR] Optimize arrow bytes view map [datafusion] via GitHub
• 2026/01/28 Re: [PR] (wont merge) Baseline remote sort shuffle reads [datafusion-ballista] via GitHub
• 2026/01/28 Re: [PR] (wont merge) Baseline remote sort shuffle reads [datafusion-ballista] via GitHub
• 2026/01/28 Re: [PR] Optimize arrow bytes view map [datafusion] via GitHub
• 2026/01/28 Re: [PR] Optimize arrow bytes view map [datafusion] via GitHub

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