41 Pull requests merged by 22 people

• Fix CI Failure: replace false with NullEqualsNothing

  #16437 merged Jun 18, 2025

• chore: generate basic spark function tests

  #16409 merged Jun 17, 2025

• Use dedicated NullEquality enum instead of null_equals_null boolean

  #16419 merged Jun 17, 2025

• fix: Enable WASM compilation by making sqlparser's recursive-protection optional

  #16418 merged Jun 17, 2025

• TopK dynamic filter pushdown attempt 2

  #15770 merged Jun 17, 2025

• Unify Metadata Handing: use FieldMetadata in Expr::Alias and ExprSchemable

  #16320 merged Jun 17, 2025

• chore(deps): bump libc from 0.2.172 to 0.2.173

  #16421 merged Jun 17, 2025

• chore(deps): bump mimalloc from 0.1.46 to 0.1.47

  #16426 merged Jun 17, 2025

• Migrate core test to insta, part1

  #16324 merged Jun 17, 2025

• feat: mapping sql Char/Text/String default to Utf8View

  #16290 merged Jun 17, 2025

• chore(deps): bump rust_decimal from 1.37.1 to 1.37.2

  #16422 merged Jun 16, 2025

• Add design process section to the docs

  #16397 merged Jun 16, 2025

• fix: Fixed error handling for generate_series/range

  #16391 merged Jun 16, 2025

• feat: Support RightMark join for NestedLoop and Hash join

  #16083 merged Jun 16, 2025

• Update PMC management instructions to follow new ASF process

  #16417 merged Jun 16, 2025

• Add note in upgrade guide about changes to Expr::Scalar in 48.0.0

  #16360 merged Jun 16, 2025

• Minor: Clean-up bench.sh usage message

  #16416 merged Jun 15, 2025

• Add fast paths for try_process_unnest

  #16389 merged Jun 15, 2025

• Simplify expressions passed to table functions

  #16388 merged Jun 15, 2025

• [datafusion-spark] Example of using Spark compatible function library

  #16384 merged Jun 15, 2025

• chore(deps): bump syn from 2.0.102 to 2.0.103

  #16393 merged Jun 15, 2025

• Reduce some cloning

  #16404 merged Jun 14, 2025

• Add topk_tpch benchmark

  #16410 merged Jun 14, 2025

• fix typo in test file name

  #16403 merged Jun 13, 2025

• fix: Fix SparkSha2 to be compliant with Spark response and add support for Int32

  #16350 merged Jun 13, 2025

• chore(deps): bump aws-config from 1.6.3 to 1.8.0

  #16394 merged Jun 13, 2025

• Minor: add testing case for add YieldStreamExec and polish docs

  #16369 merged Jun 13, 2025

• doc: Add SQL examples for SEMI + ANTI Joins

  #16316 merged Jun 12, 2025

• Fix array_concat with NULL arrays

  #16348 merged Jun 12, 2025

• Disable datafusion-cli tests for hash_collision tests, fix extended CI

  #16382 merged Jun 12, 2025

• chore(deps): bump object_store from 0.12.1 to 0.12.2

  #16368 merged Jun 12, 2025

• feat: Support tpch and tpch10 benchmark for csv format

  #16373 merged Jun 12, 2025

• chore: refactor Substrait consumer's "rename_field" and implement the rest of types

  #16345 merged Jun 12, 2025

• Document Table Constraint Enforcement Behavior in Custom Table Providers Guide

  #16340 merged Jun 12, 2025

• bug: remove busy-wait while sort is ongoing

  #16322 merged Jun 12, 2025

• feat: support FixedSizeList for array_has

  #16333 merged Jun 11, 2025

• fix: preserve null_equals_null flag in eliminate_cross_join rule

  #16356 merged Jun 11, 2025

• Fix: datafusion-sqllogictest 48.0.0 can't be published

  #16376 merged Jun 11, 2025

• Add more context to error message for datafusion-cli config failure

  #16379 merged Jun 11, 2025

• Update publish command

  #16377 merged Jun 11, 2025

• Fix array_agg memory over use

  #16346 merged Jun 11, 2025

18 Pull requests opened by 13 people

• Enable schema evolution for nested structs via adapt_column and custom adapter support in ListingTable

  #16371 opened Jun 11, 2025

• POC: Reduce `Arc` cloning on hashmap build side

  #16380 opened Jun 11, 2025

• Improved experience when remote object store URL does not end in /

  #16386 opened Jun 12, 2025

• enhancement (datafusion-cli): Add support for glob patterns in CREATE EXTERNAL TABLE commands

  #16387 opened Jun 12, 2025

• Add an example of embedding indexes inside a parquet file

  #16395 opened Jun 13, 2025

• Use Tokio's task budget consistently, better APIs to support task cancellation

  #16398 opened Jun 13, 2025

• Update Roadmap documentation

  #16399 opened Jun 13, 2025

• feat: add SchemaProvider::table_type(table_name: &str)

  #16401 opened Jun 13, 2025

• [WIP] fix: respect inexact flags in row group metadata

  #16412 opened Jun 14, 2025

• feat: support fixed size list for array reverse

  #16423 opened Jun 16, 2025

• Prune files during streams and avoid additional pruning if there are no dynamic filters

  #16424 opened Jun 16, 2025

• Fix constant window for evaluate stateful

  #16430 opened Jun 17, 2025

• Only update TopK dynamic filters if the new ones are more selective

  #16433 opened Jun 17, 2025

• feat: Support `u32` indices for `HashJoinExec`

  #16434 opened Jun 18, 2025

• doc: Add comments to clarify algorithm for `MarkJoin`s

  #16436 opened Jun 18, 2025

• chore(deps): bump prost-build from 0.13.5 to 0.14.1 in the proto group

  #16439 opened Jun 18, 2025

• chore(deps): bump libc from 0.2.173 to 0.2.174

  #16440 opened Jun 18, 2025

• chore(deps): bump bzip2 from 0.5.2 to 0.6.0

  #16441 opened Jun 18, 2025

22 Issues closed by 8 people

• Dynamic pruning filters from TopK state (optimize `ORDER BY LIMIT` queries)

  #15037 closed Jun 17, 2025

• Optimize TopK with filter

  #15699 closed Jun 17, 2025

• Mapping Char/Text/String default to Utf8View

  #16288 closed Jun 17, 2025

• Improve sql planing performance (optimize `try_process_unnest`)

  #16242 closed Jun 15, 2025

• Table function supports non-literal args

  #14958 closed Jun 15, 2025

• Can't publish datafusion-spark crate due to error

  #16383 closed Jun 15, 2025

• [datafusion-spark] Example of using Spark compatible function library

  #15915 closed Jun 15, 2025

• Add TopK benchmark

  #16411 closed Jun 14, 2025

• SparkSha2 is not compliant with Spark and does not support Int32 type

  #16336 closed Jun 13, 2025

• Request to update crates.io ownership

  #16323 closed Jun 13, 2025

• row-wise min and max

  #16366 closed Jun 13, 2025

• Document semi join, anti semi join and more supported join types

  #16245 closed Jun 12, 2025

• array_concat fails with when passed NULL list literals

  #16349 closed Jun 12, 2025

• CI failure on Datafusion extended tests / cargo test hash collisions (amd64) (push)

  #16378 closed Jun 12, 2025

• Support RightMark join for `SortMergeJoin`

  #16226 closed Jun 12, 2025

• Add tpch csv support to bench.sh

  #16370 closed Jun 12, 2025

• Add documentation on constraint enforcements

  #16309 closed Jun 12, 2025

• Busy-waiting in SortPreservingMergeStream

  #16321 closed Jun 12, 2025

• Release DataFusion `48.0.0` (June 2025)

  #15771 closed Jun 11, 2025

• datafusion-sqllogictest 48.0.0 can't be published

  #16375 closed Jun 11, 2025

• June 2025 ASF Board Report

  #15182 closed Jun 11, 2025

• DF 48 upgrade guide missing window function breaking change

  #16326 closed Jun 11, 2025

17 Issues opened by 9 people

• 404 for indexed docs page

  #16438 opened Jun 18, 2025

• Add BloomFilter PhysicalExpr

  #16435 opened Jun 18, 2025

• Only update topk filter when updated filter is more selective

  #16432 opened Jun 17, 2025

• Extend `DESCRIBE` statement to output the schema

  #16429 opened Jun 17, 2025

• Update upgrade md for new unified config for sql string mapping to utf8view when we release datafusion 49.0.0

  #16428 opened Jun 17, 2025

• Add support for clickbench data and benchmark with page index

  #16427 opened Jun 17, 2025

• Implement Single Join

  #16425 opened Jun 17, 2025

• Add documentation to clarify algorithms for Mark Joins

  #16415 opened Jun 15, 2025

• Automate `Upgrade Guide` on top of most recent `deprecated` methods

  #16414 opened Jun 15, 2025

• [Blog] Proposal: Add categorical-tags to blogs for better navigation

  #16407 opened Jun 14, 2025

• decimal calculate overflow but not throw error

  #16406 opened Jun 14, 2025

• Upgrade to sqlparser 0.56.0

  #16405 opened Jun 13, 2025

• Add statistics to ParquetExec for *files* pruned

  #16402 opened Jun 13, 2025

• Blog post about DataFusion Async / Stream execution model / cancellation

  #16396 opened Jun 13, 2025

• RightMark Join support to SortMergeJoin execution

  #16385 opened Jun 12, 2025

• Add an example of embedding indexes *inside* a parquet file

  #16374 opened Jun 11, 2025

• Blog Post for Accelerating Query Processing with Specialized Indexes

  #16372 opened Jun 11, 2025

57 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• Add compression option to SpillManager

  #16268 commented on Jun 18, 2025 • 13 new comments

• Implementation for regex_instr

  #15928 commented on Jun 17, 2025 • 12 new comments

• Eliminate Self Joins

  #16023 commented on Jun 17, 2025 • 10 new comments

• Simplify predicates in filter

  #16362 commented on Jun 12, 2025 • 3 new comments

• feat: Parquet modular encryption

  #16351 commented on Jun 18, 2025 • 2 new comments

• Add hooks to `SchemaAdapter` to add custom column generators

  #15261 commented on Jun 16, 2025 • 1 new comment

• Support data source sampling with TABLESAMPLE

  #16325 commented on Jun 14, 2025 • 1 new comment

• Draft: Use take-in kernel in repartitioning

  #15392 commented on Jun 12, 2025 • 0 new comments

• refactor!: consistent null handling in coercible signatures

  #15404 commented on Jun 17, 2025 • 0 new comments

• feat: implement GroupsAccumulator for `count(DISTINCT)` aggr

  #15324 commented on Jun 12, 2025 • 0 new comments

• Add `deserialize` to `BatchSerializer`

  #15411 commented on Jun 12, 2025 • 0 new comments

• refactor(joins::utils): Replace OnceAsync/OnceFut with tokio's OnceCell

  #15431 commented on Jun 12, 2025 • 0 new comments

• fix!: incorrect coercion when comparing with string literals

  #15482 commented on Jun 16, 2025 • 0 new comments

• Use pager and allow configuration via `\pset`

  #15597 commented on Jun 16, 2025 • 0 new comments

• fix: miss output ordering during projection

  #15683 commented on Jun 16, 2025 • 0 new comments

• dynamic filter refactor

  #15685 commented on Jun 18, 2025 • 0 new comments

• [datafusion-spark] Implement ceil&floor function for spark

  #15958 commented on Jun 18, 2025 • 0 new comments

• Optimize char expression

  #16076 commented on Jun 15, 2025 • 0 new comments

• Optimize Hex Function

  #16077 commented on Jun 13, 2025 • 0 new comments

• [datafusion-spark] Implement `factorical` function

  #16125 commented on Jun 18, 2025 • 0 new comments

• feat: optimize and unparse grouping

  #16161 commented on Jun 17, 2025 • 0 new comments

• Fix: Map functions crash on out of bounds cases

  #16203 commented on Jun 17, 2025 • 0 new comments

• Always add parentheses when formatting `BinaryExpr` with `SchemaDisplay`

  #16209 commented on Jun 16, 2025 • 0 new comments

• Perf: load default Utf8View for CSV datatype

  #16243 commented on Jun 11, 2025 • 0 new comments

• Draft: Use upstream arrow `coalesce` kernel in DataFusion

  #16249 commented on Jun 17, 2025 • 0 new comments

• feat: use spawned tasks to reduce call stack depth and avoid busy waiting

  #16319 commented on Jun 11, 2025 • 0 new comments

• Example for using a separate threadpool for CPU bound work (try 3)

  #16331 commented on Jun 17, 2025 • 0 new comments

• Add support for glob string in datafusion-cli query

  #16332 commented on Jun 13, 2025 • 0 new comments

• fix: create file for empty stream

  #16342 commented on Jun 17, 2025 • 0 new comments

• Investigate performance tradeoff in compressing spill files

  #16367 commented on Jun 12, 2025 • 0 new comments

• Upgrade to hashbrown 0.15.1: migrate from `hashbrown::raw::RawTable` to `hashbrown::hash_table::HashTable`

  #13433 commented on Jun 12, 2025 • 0 new comments

• Enable merge queue in github to avoid commit confliction.

  #6880 commented on Jun 12, 2025 • 0 new comments

• [Epic] DataFusion Blogs

  #14836 commented on Jun 13, 2025 • 0 new comments

• `datafusion-cli`: Use correct S3 region if it is not specified

  #16306 commented on Jun 13, 2025 • 0 new comments

• [Epic] Pipeline breaking cancellation support and improvement

  #16353 commented on Jun 13, 2025 • 0 new comments

• Improved experience when remote object store URL does not end in `/`

  #16302 commented on Jun 13, 2025 • 0 new comments

• Panic in `datafusion_expr::window_state::WindowAggState::update`

  #16308 commented on Jun 14, 2025 • 0 new comments

• [EPIC] Complete `datafusion-spark` Spark Compatible Functions

  #15914 commented on Jun 15, 2025 • 0 new comments

• Support Aggregating by `RunArray`s

  #16011 commented on Jun 16, 2025 • 0 new comments

• Optimize `NestedLoopJoinExec` Memory Usage

  #16364 commented on Jun 16, 2025 • 0 new comments

• Blog post about parquet vs custom file formats

  #16149 commented on Jun 16, 2025 • 0 new comments

• Support reading multiple parquet files via `datafusion-cli`

  #16303 commented on Jun 16, 2025 • 0 new comments

• Improve performance of `datafusion-cli` when reading from remote storage

  #16365 commented on Jun 16, 2025 • 0 new comments

• Evaluate filter pushdown against the physical schema for performance and correctness

  #15780 commented on Jun 17, 2025 • 0 new comments

• [DISCUSSION] JOIN "task force" / project team

  #15885 commented on Jun 17, 2025 • 0 new comments

• Update all github workflow to use actions tied to sha hashes

  #15298 commented on Jun 17, 2025 • 0 new comments

• Reduce page metadata loading to only what is necessary for query execution in ParquetOpen

  #16200 commented on Jun 17, 2025 • 0 new comments

• Release DataFusion `49.0.0` (July 2025)

  #16235 commented on Jun 17, 2025 • 0 new comments

• Blog post about TopK filter pushdown

  #15513 commented on Jun 18, 2025 • 0 new comments

• [Epic] A collection of dynamic filtering related items

  #15512 commented on Jun 18, 2025 • 0 new comments

• Push Dynamic Join Predicates into Scan ("Sideways Information Passing", etc)

  #7955 commented on Jun 18, 2025 • 0 new comments

• Add hook for sharing join state in distributed execution

  #12523 commented on Jun 14, 2025 • 0 new comments

• Support bounds evaluation for temporal data types

  #14523 commented on Jun 17, 2025 • 0 new comments

• wip: proto to physical plan conversion

  #14530 commented on Jun 17, 2025 • 0 new comments

• Introduce Async User Defined Functions

  #14837 commented on Jun 18, 2025 • 0 new comments

• refactor: use TypeSignature::Coercible for math functions

  #14872 commented on Jun 14, 2025 • 0 new comments

• updatted github action by change version tag to sha hashes

  #15315 commented on Jun 17, 2025 • 0 new comments