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# Apache DataFusion 48.0.0 Changelog
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- This release consists of 266 commits from 88 contributors. See credits at the end of this changelog for more information.
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+ This release consists of 269 commits from 89 contributors. See credits at the end of this changelog for more information.
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** Breaking changes:**
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@@ -94,6 +94,7 @@ This release consists of 266 commits from 88 contributors. See credits at the en
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- fix: metadata of join schema [ #16221 ] ( https://github.com/apache/datafusion/pull/16221 ) (chenkovsky)
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- fix: add missing row count limits to TPC-H queries [ #16230 ] ( https://github.com/apache/datafusion/pull/16230 ) (0ax1)
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- fix: NaN semantics in GROUP BY [ #16256 ] ( https://github.com/apache/datafusion/pull/16256 ) (chenkovsky)
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+ - fix: [ branch-48] Revert "Improve performance of constant aggregate window expression" [ #16307 ] ( https://github.com/apache/datafusion/pull/16307 ) (andygrove)
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** Documentation updates:**
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@@ -297,13 +298,15 @@ This release consists of 266 commits from 88 contributors. See credits at the en
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- Simplify FileSource / SchemaAdapterFactory API [ #16214 ] ( https://github.com/apache/datafusion/pull/16214 ) (alamb)
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- Add dicts to aggregation fuzz testing [ #16232 ] ( https://github.com/apache/datafusion/pull/16232 ) (blaginin)
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- chore(deps): bump sysinfo from 0.35.1 to 0.35.2 [ #16247 ] ( https://github.com/apache/datafusion/pull/16247 ) (dependabot[ bot] )
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+ - Improve performance of constant aggregate window expression [ #16234 ] ( https://github.com/apache/datafusion/pull/16234 ) (suibianwanwank)
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- Support compound identifier when parsing tuples [ #16225 ] ( https://github.com/apache/datafusion/pull/16225 ) (hozan23)
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- Schema adapter helper [ #16108 ] ( https://github.com/apache/datafusion/pull/16108 ) (kosiew)
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- Update tpch, clickbench, sort_tpch to mark failed queries [ #16182 ] ( https://github.com/apache/datafusion/pull/16182 ) (ding-young)
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- Adjust slttest to pass without RUST_BACKTRACE enabled [ #16251 ] ( https://github.com/apache/datafusion/pull/16251 ) (alamb)
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- Handle dicts for distinct count [ #15871 ] ( https://github.com/apache/datafusion/pull/15871 ) (blaginin)
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- Add ` --substrait-round-trip ` option in sqllogictests [ #16183 ] ( https://github.com/apache/datafusion/pull/16183 ) (gabotechs)
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- Minor: fix upgrade papercut ` pub use PruningStatistics ` [ #16264 ] ( https://github.com/apache/datafusion/pull/16264 ) (alamb)
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+ - chore: update DF48 changelog [ #16269 ] ( https://github.com/apache/datafusion/pull/16269 ) (xudong963)
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## Credits
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```
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30 dependabot[bot]
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29 Andrew Lamb
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- 16 xudong.w
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+ 17 xudong.w
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14 Adrian Garcia Badaracco
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10 Chen Chongchen
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8 Gabriel
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4 Nuno Faria
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4 Yongting You
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4 logan-keede
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+ 3 Andy Grove
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3 Christian
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3 Daniël Heres
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3 Liam Bao
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3 Phillip LeBlanc
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3 Piotr Findeisen
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3 ding-young
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- 2 Andy Grove
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2 Atahan Yorgancı
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2 Brayan Jules
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2 Georgi Krastev
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1 irenjj
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1 jsai28
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1 m09526
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+ 1 suibianwanwan
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1 the0ninjas
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1 wiedld
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```
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