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# Changelog
## [21.0.0](https://github.com/apache/arrow-datafusion-python/tree/21.0.0) (2023-03-30)
[Full Changelog](https://github.com/apache/arrow-datafusion-python/compare/20.0.0...21.0.0)
**Merged pull requests:**
- minor: Fix minor warning on unused import [#289](https://github.com/apache/arrow-datafusion-python/pull/289) (viirya)
- feature: Implement `describe()` method [#293](https://github.com/apache/arrow-datafusion-python/pull/293) (simicd)
- fix: Printed results not visible in debugger & notebooks [#296](https://github.com/apache/arrow-datafusion-python/pull/296) (simicd)
- add package.include and remove wildcard dependency [#295](https://github.com/apache/arrow-datafusion-python/pull/295) (andygrove)
- Update main branch name in docs workflow [#303](https://github.com/apache/arrow-datafusion-python/pull/303) (andygrove)
- Upgrade to DF 21 [#301](https://github.com/apache/arrow-datafusion-python/pull/301) (andygrove)
## [20.0.0](https://github.com/apache/arrow-datafusion-python/tree/20.0.0) (2023-03-17)
[Full Changelog](https://github.com/apache/arrow-datafusion-python/compare/0.8.0...20.0.0)
**Implemented enhancements:**
- Empty relation bindings [#208](https://github.com/apache/arrow-datafusion-python/pull/208) (jdye64)
- wrap display_name and canonical_name functions [#214](https://github.com/apache/arrow-datafusion-python/pull/214) (jdye64)
- Add PyAlias bindings [#216](https://github.com/apache/arrow-datafusion-python/pull/216) (jdye64)
- Add bindings for scalar_variable [#218](https://github.com/apache/arrow-datafusion-python/pull/218) (jdye64)
- Bindings for LIKE type expressions [#220](https://github.com/apache/arrow-datafusion-python/pull/220) (jdye64)
- Bool expr bindings [#223](https://github.com/apache/arrow-datafusion-python/pull/223) (jdye64)
- Between bindings [#229](https://github.com/apache/arrow-datafusion-python/pull/229) (jdye64)
- Add bindings for GetIndexedField [#227](https://github.com/apache/arrow-datafusion-python/pull/227) (jdye64)
- Add bindings for case, cast, and trycast [#232](https://github.com/apache/arrow-datafusion-python/pull/232) (jdye64)
- add remaining expr bindings [#233](https://github.com/apache/arrow-datafusion-python/pull/233) (jdye64)
- feature: Additional export methods [#236](https://github.com/apache/arrow-datafusion-python/pull/236) (simicd)
- Add Python wrapper for LogicalPlan::Union [#240](https://github.com/apache/arrow-datafusion-python/pull/240) (iajoiner)
- feature: Create dataframe from pandas, polars, dictionary, list or pyarrow Table [#242](https://github.com/apache/arrow-datafusion-python/pull/242) (simicd)
- Add Python wrappers for `LogicalPlan::Join` and `LogicalPlan::CrossJoin` [#246](https://github.com/apache/arrow-datafusion-python/pull/246) (iajoiner)
- feature: Set table name from ctx functions [#260](https://github.com/apache/arrow-datafusion-python/pull/260) (simicd)
- Explain bindings [#264](https://github.com/apache/arrow-datafusion-python/pull/264) (jdye64)
- Extension bindings [#266](https://github.com/apache/arrow-datafusion-python/pull/266) (jdye64)
- Subquery alias bindings [#269](https://github.com/apache/arrow-datafusion-python/pull/269) (jdye64)
- Create memory table [#271](https://github.com/apache/arrow-datafusion-python/pull/271) (jdye64)
- Create view bindings [#273](https://github.com/apache/arrow-datafusion-python/pull/273) (jdye64)
- Re-export Datafusion dependencies [#277](https://github.com/apache/arrow-datafusion-python/pull/277) (jdye64)
- Distinct bindings [#275](https://github.com/apache/arrow-datafusion-python/pull/275) (jdye64)
- Drop table bindings [#283](https://github.com/apache/arrow-datafusion-python/pull/283) (jdye64)
- Bindings for LogicalPlan::Repartition [#285](https://github.com/apache/arrow-datafusion-python/pull/285) (jdye64)
- Expand Rust return type support for Arrow DataTypes in ScalarValue [#287](https://github.com/apache/arrow-datafusion-python/pull/287) (jdye64)
**Documentation updates:**
- docs: Example of calling Python UDF & UDAF in SQL [#258](https://github.com/apache/arrow-datafusion-python/pull/258) (simicd)
**Merged pull requests:**
- Minor docs updates [#210](https://github.com/apache/arrow-datafusion-python/pull/210) (andygrove)
- Empty relation bindings [#208](https://github.com/apache/arrow-datafusion-python/pull/208) (jdye64)
- wrap display_name and canonical_name functions [#214](https://github.com/apache/arrow-datafusion-python/pull/214) (jdye64)
- Add PyAlias bindings [#216](https://github.com/apache/arrow-datafusion-python/pull/216) (jdye64)
- Add bindings for scalar_variable [#218](https://github.com/apache/arrow-datafusion-python/pull/218) (jdye64)
- Bindings for LIKE type expressions [#220](https://github.com/apache/arrow-datafusion-python/pull/220) (jdye64)
- Bool expr bindings [#223](https://github.com/apache/arrow-datafusion-python/pull/223) (jdye64)
- Between bindings [#229](https://github.com/apache/arrow-datafusion-python/pull/229) (jdye64)
- Add bindings for GetIndexedField [#227](https://github.com/apache/arrow-datafusion-python/pull/227) (jdye64)
- Add bindings for case, cast, and trycast [#232](https://github.com/apache/arrow-datafusion-python/pull/232) (jdye64)
- add remaining expr bindings [#233](https://github.com/apache/arrow-datafusion-python/pull/233) (jdye64)
- Pre-commit hooks [#228](https://github.com/apache/arrow-datafusion-python/pull/228) (jdye64)
- Implement new release process [#149](https://github.com/apache/arrow-datafusion-python/pull/149) (andygrove)
- feature: Additional export methods [#236](https://github.com/apache/arrow-datafusion-python/pull/236) (simicd)
- Add Python wrapper for LogicalPlan::Union [#240](https://github.com/apache/arrow-datafusion-python/pull/240) (iajoiner)
- feature: Create dataframe from pandas, polars, dictionary, list or pyarrow Table [#242](https://github.com/apache/arrow-datafusion-python/pull/242) (simicd)
- Fix release instructions [#238](https://github.com/apache/arrow-datafusion-python/pull/238) (andygrove)
- Add Python wrappers for `LogicalPlan::Join` and `LogicalPlan::CrossJoin` [#246](https://github.com/apache/arrow-datafusion-python/pull/246) (iajoiner)
- docs: Example of calling Python UDF & UDAF in SQL [#258](https://github.com/apache/arrow-datafusion-python/pull/258) (simicd)
- feature: Set table name from ctx functions [#260](https://github.com/apache/arrow-datafusion-python/pull/260) (simicd)
- Upgrade to DataFusion 19 [#262](https://github.com/apache/arrow-datafusion-python/pull/262) (andygrove)
- Explain bindings [#264](https://github.com/apache/arrow-datafusion-python/pull/264) (jdye64)
- Extension bindings [#266](https://github.com/apache/arrow-datafusion-python/pull/266) (jdye64)
- Subquery alias bindings [#269](https://github.com/apache/arrow-datafusion-python/pull/269) (jdye64)
- Create memory table [#271](https://github.com/apache/arrow-datafusion-python/pull/271) (jdye64)
- Create view bindings [#273](https://github.com/apache/arrow-datafusion-python/pull/273) (jdye64)
- Re-export Datafusion dependencies [#277](https://github.com/apache/arrow-datafusion-python/pull/277) (jdye64)
- Distinct bindings [#275](https://github.com/apache/arrow-datafusion-python/pull/275) (jdye64)
- build(deps): bump actions/checkout from 2 to 3 [#244](https://github.com/apache/arrow-datafusion-python/pull/244) (dependabot[bot])
- build(deps): bump actions/upload-artifact from 2 to 3 [#245](https://github.com/apache/arrow-datafusion-python/pull/245) (dependabot[bot])
- build(deps): bump actions/download-artifact from 2 to 3 [#243](https://github.com/apache/arrow-datafusion-python/pull/243) (dependabot[bot])
- Use DataFusion 20 [#278](https://github.com/apache/arrow-datafusion-python/pull/278) (andygrove)
- Drop table bindings [#283](https://github.com/apache/arrow-datafusion-python/pull/283) (jdye64)
- Bindings for LogicalPlan::Repartition [#285](https://github.com/apache/arrow-datafusion-python/pull/285) (jdye64)
- Expand Rust return type support for Arrow DataTypes in ScalarValue [#287](https://github.com/apache/arrow-datafusion-python/pull/287) (jdye64)
## [0.8.0](https://github.com/apache/arrow-datafusion-python/tree/0.8.0) (2023-02-22)
[Full Changelog](https://github.com/apache/arrow-datafusion-python/compare/0.8.0-rc1...0.8.0)
**Implemented enhancements:**
- Add support for cuDF physical execution engine [\#202](https://github.com/apache/arrow-datafusion-python/issues/202)
- Make it easier to create a Pandas dataframe from DataFusion query results [\#139](https://github.com/apache/arrow-datafusion-python/issues/139)
**Fixed bugs:**
- Build error: could not compile `thiserror` due to 2 previous errors [\#69](https://github.com/apache/arrow-datafusion-python/issues/69)
**Closed issues:**
- Integrate with the new `object_store` crate [\#22](https://github.com/apache/arrow-datafusion-python/issues/22)
**Merged pull requests:**
- Update README in preparation for 0.8 release [\#206](https://github.com/apache/arrow-datafusion-python/pull/206) ([andygrove](https://github.com/andygrove))
- Add support for cudf as a physical execution engine [\#205](https://github.com/apache/arrow-datafusion-python/pull/205) ([jdye64](https://github.com/jdye64))
- Run `maturin develop` instead of `cargo build` in verification script [\#200](https://github.com/apache/arrow-datafusion-python/pull/200) ([andygrove](https://github.com/andygrove))
- Add tests for recently added functionality [\#199](https://github.com/apache/arrow-datafusion-python/pull/199) ([andygrove](https://github.com/andygrove))
- Implement `to_pandas()` [\#197](https://github.com/apache/arrow-datafusion-python/pull/197) ([simicd](https://github.com/simicd))
- Add Python wrapper for LogicalPlan::Sort [\#196](https://github.com/apache/arrow-datafusion-python/pull/196) ([andygrove](https://github.com/andygrove))
- Add Python wrapper for LogicalPlan::Aggregate [\#195](https://github.com/apache/arrow-datafusion-python/pull/195) ([andygrove](https://github.com/andygrove))
- Add Python wrapper for LogicalPlan::Limit [\#193](https://github.com/apache/arrow-datafusion-python/pull/193) ([andygrove](https://github.com/andygrove))
- Add Python wrapper for LogicalPlan::Filter [\#192](https://github.com/apache/arrow-datafusion-python/pull/192) ([andygrove](https://github.com/andygrove))
- Add experimental support for executing SQL with Polars and Pandas [\#190](https://github.com/apache/arrow-datafusion-python/pull/190) ([andygrove](https://github.com/andygrove))
- Update changelog for 0.8 release [\#188](https://github.com/apache/arrow-datafusion-python/pull/188) ([andygrove](https://github.com/andygrove))
- Add ability to execute ExecutionPlan and get a stream of RecordBatch [\#186](https://github.com/apache/arrow-datafusion-python/pull/186) ([andygrove](https://github.com/andygrove))
- Dffield bindings [\#185](https://github.com/apache/arrow-datafusion-python/pull/185) ([jdye64](https://github.com/jdye64))
- Add bindings for DFSchema [\#183](https://github.com/apache/arrow-datafusion-python/pull/183) ([jdye64](https://github.com/jdye64))
- test: Window functions [\#182](https://github.com/apache/arrow-datafusion-python/pull/182) ([simicd](https://github.com/simicd))
- Add bindings for Projection [\#180](https://github.com/apache/arrow-datafusion-python/pull/180) ([jdye64](https://github.com/jdye64))
- Table scan bindings [\#178](https://github.com/apache/arrow-datafusion-python/pull/178) ([jdye64](https://github.com/jdye64))
- Make session configurable [\#176](https://github.com/apache/arrow-datafusion-python/pull/176) ([andygrove](https://github.com/andygrove))
- Upgrade to DataFusion 18.0.0 [\#175](https://github.com/apache/arrow-datafusion-python/pull/175) ([andygrove](https://github.com/andygrove))
- Use latest DataFusion rev in preparation for DF 18 release [\#174](https://github.com/apache/arrow-datafusion-python/pull/174) ([andygrove](https://github.com/andygrove))
- Arrow type bindings [\#173](https://github.com/apache/arrow-datafusion-python/pull/173) ([jdye64](https://github.com/jdye64))
- Pyo3 bump [\#171](https://github.com/apache/arrow-datafusion-python/pull/171) ([jdye64](https://github.com/jdye64))
- feature: Add additional aggregation functions [\#170](https://github.com/apache/arrow-datafusion-python/pull/170) ([simicd](https://github.com/simicd))
- Make from\_substrait\_plan return DataFrame instead of LogicalPlan [\#164](https://github.com/apache/arrow-datafusion-python/pull/164) ([andygrove](https://github.com/andygrove))
- feature: Implement count method [\#163](https://github.com/apache/arrow-datafusion-python/pull/163) ([simicd](https://github.com/simicd))
- CI Fixes [\#162](https://github.com/apache/arrow-datafusion-python/pull/162) ([jdye64](https://github.com/jdye64))
- Upgrade to DataFusion 17 [\#160](https://github.com/apache/arrow-datafusion-python/pull/160) ([andygrove](https://github.com/andygrove))
- feature: Improve string representation of datafusion classes [\#159](https://github.com/apache/arrow-datafusion-python/pull/159) ([simicd](https://github.com/simicd))
- Make PyExecutionPlan.plan public [\#156](https://github.com/apache/arrow-datafusion-python/pull/156) ([andygrove](https://github.com/andygrove))
- Expose methods on logical and execution plans [\#155](https://github.com/apache/arrow-datafusion-python/pull/155) ([andygrove](https://github.com/andygrove))
- Fix clippy for new Rust version [\#154](https://github.com/apache/arrow-datafusion-python/pull/154) ([andygrove](https://github.com/andygrove))
- Add DataFrame methods for accessing plans [\#153](https://github.com/apache/arrow-datafusion-python/pull/153) ([andygrove](https://github.com/andygrove))
- Use DataFusion rev 5238e8c97f998b4d2cb9fab85fb182f325a1a7fb [\#150](https://github.com/apache/arrow-datafusion-python/pull/150) ([andygrove](https://github.com/andygrove))
- build\(deps\): bump async-trait from 0.1.61 to 0.1.62 [\#148](https://github.com/apache/arrow-datafusion-python/pull/148) ([dependabot[bot]](https://github.com/apps/dependabot))
- Rename default branch from master to main [\#147](https://github.com/apache/arrow-datafusion-python/pull/147) ([andygrove](https://github.com/andygrove))
- Substrait bindings [\#145](https://github.com/apache/arrow-datafusion-python/pull/145) ([jdye64](https://github.com/jdye64))
- build\(deps\): bump uuid from 0.8.2 to 1.2.2 [\#143](https://github.com/apache/arrow-datafusion-python/pull/143) ([dependabot[bot]](https://github.com/apps/dependabot))
- Prepare for 0.8.0 release [\#141](https://github.com/apache/arrow-datafusion-python/pull/141) ([andygrove](https://github.com/andygrove))
- Improve README and add more examples [\#137](https://github.com/apache/arrow-datafusion-python/pull/137) ([andygrove](https://github.com/andygrove))
- test: Expand tests for built-in functions [\#129](https://github.com/apache/arrow-datafusion-python/pull/129) ([simicd](https://github.com/simicd))
- build\(deps\): bump object\_store from 0.5.2 to 0.5.3 [\#126](https://github.com/apache/arrow-datafusion-python/pull/126) ([dependabot[bot]](https://github.com/apps/dependabot))
- build\(deps\): bump mimalloc from 0.1.32 to 0.1.34 [\#125](https://github.com/apache/arrow-datafusion-python/pull/125) ([dependabot[bot]](https://github.com/apps/dependabot))
- Introduce conda directory containing datafusion-dev.yaml conda enviro… [\#124](https://github.com/apache/arrow-datafusion-python/pull/124) ([jdye64](https://github.com/jdye64))
- build\(deps\): bump bzip2 from 0.4.3 to 0.4.4 [\#121](https://github.com/apache/arrow-datafusion-python/pull/121) ([dependabot[bot]](https://github.com/apps/dependabot))
- build\(deps\): bump tokio from 1.23.0 to 1.24.1 [\#119](https://github.com/apache/arrow-datafusion-python/pull/119) ([dependabot[bot]](https://github.com/apps/dependabot))
- build\(deps\): bump async-trait from 0.1.60 to 0.1.61 [\#118](https://github.com/apache/arrow-datafusion-python/pull/118) ([dependabot[bot]](https://github.com/apps/dependabot))
- Upgrade to DataFusion 16.0.0 [\#115](https://github.com/apache/arrow-datafusion-python/pull/115) ([andygrove](https://github.com/andygrove))
- Bump async-trait from 0.1.57 to 0.1.60 [\#114](https://github.com/apache/arrow-datafusion-python/pull/114) ([dependabot[bot]](https://github.com/apps/dependabot))
- Bump object\_store from 0.5.1 to 0.5.2 [\#112](https://github.com/apache/arrow-datafusion-python/pull/112) ([dependabot[bot]](https://github.com/apps/dependabot))
- Bump tokio from 1.21.2 to 1.23.0 [\#109](https://github.com/apache/arrow-datafusion-python/pull/109) ([dependabot[bot]](https://github.com/apps/dependabot))
- Add entries for publishing production \(asf-site\) and staging docs [\#107](https://github.com/apache/arrow-datafusion-python/pull/107) ([martin-g](https://github.com/martin-g))
- Add a workflow that builds the docs and deploys them at staged or production [\#104](https://github.com/apache/arrow-datafusion-python/pull/104) ([martin-g](https://github.com/martin-g))
- Upgrade to DataFusion 15.0.0 [\#103](https://github.com/apache/arrow-datafusion-python/pull/103) ([andygrove](https://github.com/andygrove))
- build\(deps\): bump futures from 0.3.24 to 0.3.25 [\#102](https://github.com/apache/arrow-datafusion-python/pull/102) ([dependabot[bot]](https://github.com/apps/dependabot))
- build\(deps\): bump pyo3 from 0.17.2 to 0.17.3 [\#101](https://github.com/apache/arrow-datafusion-python/pull/101) ([dependabot[bot]](https://github.com/apps/dependabot))
- build\(deps\): bump mimalloc from 0.1.30 to 0.1.32 [\#98](https://github.com/apache/arrow-datafusion-python/pull/98) ([dependabot[bot]](https://github.com/apps/dependabot))
- build\(deps\): bump rand from 0.7.3 to 0.8.5 [\#97](https://github.com/apache/arrow-datafusion-python/pull/97) ([dependabot[bot]](https://github.com/apps/dependabot))
- Fix GitHub actions warnings [\#95](https://github.com/apache/arrow-datafusion-python/pull/95) ([martin-g](https://github.com/martin-g))
- Fixes \#81 - Add CI workflow for source distribution [\#93](https://github.com/apache/arrow-datafusion-python/pull/93) ([martin-g](https://github.com/martin-g))
- post-release updates [\#91](https://github.com/apache/arrow-datafusion-python/pull/91) ([andygrove](https://github.com/andygrove))
- Build for manylinux 2014 [\#88](https://github.com/apache/arrow-datafusion-python/pull/88) ([martin-g](https://github.com/martin-g))
- update release readme tag [\#86](https://github.com/apache/arrow-datafusion-python/pull/86) ([Jimexist](https://github.com/Jimexist))
- Upgrade Maturin to 0.14.2 [\#85](https://github.com/apache/arrow-datafusion-python/pull/85) ([martin-g](https://github.com/martin-g))
- Update release instructions [\#83](https://github.com/apache/arrow-datafusion-python/pull/83) ([andygrove](https://github.com/andygrove))
- \[Functions\] - Add python function binding to `functions` [\#73](https://github.com/apache/arrow-datafusion-python/pull/73) ([francis-du](https://github.com/francis-du))
## [0.8.0-rc1](https://github.com/apache/arrow-datafusion-python/tree/0.8.0-rc1) (2023-02-17)
[Full Changelog](https://github.com/apache/arrow-datafusion-python/compare/0.7.0-rc2...0.8.0-rc1)
**Implemented enhancements:**
- Add bindings for datafusion\_common::DFField [\#184](https://github.com/apache/arrow-datafusion-python/issues/184)
- Add bindings for DFSchema/DFSchemaRef [\#181](https://github.com/apache/arrow-datafusion-python/issues/181)
- Add bindings for datafusion\_expr Projection [\#179](https://github.com/apache/arrow-datafusion-python/issues/179)
- Add bindings for `TableScan` struct from `datafusion_expr::TableScan` [\#177](https://github.com/apache/arrow-datafusion-python/issues/177)
- Add a "mapping" struct for types [\#172](https://github.com/apache/arrow-datafusion-python/issues/172)
- Improve string representation of datafusion classes \(dataframe, context, expression, ...\) [\#158](https://github.com/apache/arrow-datafusion-python/issues/158)
- Add DataFrame count method [\#151](https://github.com/apache/arrow-datafusion-python/issues/151)
- \[REQUEST\] Github Actions Improvements [\#146](https://github.com/apache/arrow-datafusion-python/issues/146)
- Change default branch name from master to main [\#144](https://github.com/apache/arrow-datafusion-python/issues/144)
- Bump pyo3 to 0.18.0 [\#140](https://github.com/apache/arrow-datafusion-python/issues/140)
- Add script for Python linting [\#134](https://github.com/apache/arrow-datafusion-python/issues/134)
- Add Python bindings for substrait module [\#132](https://github.com/apache/arrow-datafusion-python/issues/132)
- Expand unit tests for built-in functions [\#128](https://github.com/apache/arrow-datafusion-python/issues/128)
- support creating arrow-datafusion-python conda environment [\#122](https://github.com/apache/arrow-datafusion-python/issues/122)
- Build Python source distribution in GitHub workflow [\#81](https://github.com/apache/arrow-datafusion-python/issues/81)
- EPIC: Add all functions to python binding `functions` [\#72](https://github.com/apache/arrow-datafusion-python/issues/72)
**Fixed bugs:**
- Build is broken [\#161](https://github.com/apache/arrow-datafusion-python/issues/161)
- Out of memory when sorting [\#157](https://github.com/apache/arrow-datafusion-python/issues/157)
- window\_lead test appears to be non-deterministic [\#135](https://github.com/apache/arrow-datafusion-python/issues/135)
- Reading csv does not work [\#130](https://github.com/apache/arrow-datafusion-python/issues/130)
- Github actions produce a lot of warnings [\#94](https://github.com/apache/arrow-datafusion-python/issues/94)
- ASF source release tarball has wrong directory name [\#90](https://github.com/apache/arrow-datafusion-python/issues/90)
- Python Release Build failing after upgrading to maturin 14.2 [\#87](https://github.com/apache/arrow-datafusion-python/issues/87)
- Maturin build hangs on Linux ARM64 [\#84](https://github.com/apache/arrow-datafusion-python/issues/84)
- Cannot install on Mac M1 from source tarball from testpypi [\#82](https://github.com/apache/arrow-datafusion-python/issues/82)
- ImportPathMismatchError when running pytest locally [\#77](https://github.com/apache/arrow-datafusion-python/issues/77)
**Closed issues:**
- Publish documentation for Python bindings [\#39](https://github.com/apache/arrow-datafusion-python/issues/39)
- Add Python binding for `approx_median` [\#32](https://github.com/apache/arrow-datafusion-python/issues/32)
- Release version 0.7.0 [\#7](https://github.com/apache/arrow-datafusion-python/issues/7)
## [0.7.0-rc2](https://github.com/apache/arrow-datafusion-python/tree/0.7.0-rc2) (2022-11-26)
[Full Changelog](https://github.com/apache/arrow-datafusion-python/compare/0.7.0...0.7.0-rc2)
## [Unreleased](https://github.com/datafusion-contrib/datafusion-python/tree/HEAD)
[Full Changelog](https://github.com/datafusion-contrib/datafusion-python/compare/0.5.1...HEAD)
**Merged pull requests:**
- use \_\_getitem\_\_ for df column selection [\#41](https://github.com/datafusion-contrib/datafusion-python/pull/41) ([Jimexist](https://github.com/Jimexist))
- fix demo in readme [\#40](https://github.com/datafusion-contrib/datafusion-python/pull/40) ([Jimexist](https://github.com/Jimexist))
- Implement select_columns [\#39](https://github.com/datafusion-contrib/datafusion-python/pull/39) ([andygrove](https://github.com/andygrove))
- update readme and changelog [\#38](https://github.com/datafusion-contrib/datafusion-python/pull/38) ([Jimexist](https://github.com/Jimexist))
- Add PyDataFrame.explain [\#36](https://github.com/datafusion-contrib/datafusion-python/pull/36) ([andygrove](https://github.com/andygrove))
- Release 0.5.0 [\#34](https://github.com/datafusion-contrib/datafusion-python/pull/34) ([Jimexist](https://github.com/Jimexist))
- disable nightly in workflow [\#33](https://github.com/datafusion-contrib/datafusion-python/pull/33) ([Jimexist](https://github.com/Jimexist))
- update requirements to 37 and 310, update readme [\#32](https://github.com/datafusion-contrib/datafusion-python/pull/32) ([Jimexist](https://github.com/Jimexist))
- Add custom global allocator [\#30](https://github.com/datafusion-contrib/datafusion-python/pull/30) ([matthewmturner](https://github.com/matthewmturner))
- Remove pandas dependency [\#25](https://github.com/datafusion-contrib/datafusion-python/pull/25) ([matthewmturner](https://github.com/matthewmturner))
- upgrade datafusion and pyo3 [\#20](https://github.com/datafusion-contrib/datafusion-python/pull/20) ([Jimexist](https://github.com/Jimexist))
- update maturin 0.12+ [\#17](https://github.com/datafusion-contrib/datafusion-python/pull/17) ([Jimexist](https://github.com/Jimexist))
- Update README.md [\#16](https://github.com/datafusion-contrib/datafusion-python/pull/16) ([Jimexist](https://github.com/Jimexist))
- apply cargo clippy --fix [\#15](https://github.com/datafusion-contrib/datafusion-python/pull/15) ([Jimexist](https://github.com/Jimexist))
- update test workflow to include rust clippy and check [\#14](https://github.com/datafusion-contrib/datafusion-python/pull/14) ([Jimexist](https://github.com/Jimexist))
- use maturin 0.12.6 [\#13](https://github.com/datafusion-contrib/datafusion-python/pull/13) ([Jimexist](https://github.com/Jimexist))
- apply cargo fmt [\#12](https://github.com/datafusion-contrib/datafusion-python/pull/12) ([Jimexist](https://github.com/Jimexist))
- use stable not nightly [\#11](https://github.com/datafusion-contrib/datafusion-python/pull/11) ([Jimexist](https://github.com/Jimexist))
- ci: test against more compilers, setup clippy and fix clippy lints [\#9](https://github.com/datafusion-contrib/datafusion-python/pull/9) ([cpcloud](https://github.com/cpcloud))
- Fix use of importlib.metadata and unify requirements.txt [\#8](https://github.com/datafusion-contrib/datafusion-python/pull/8) ([cpcloud](https://github.com/cpcloud))
- Ship the Cargo.lock file in the source distribution [\#7](https://github.com/datafusion-contrib/datafusion-python/pull/7) ([cpcloud](https://github.com/cpcloud))
- add \_\_version\_\_ attribute to datafusion object [\#3](https://github.com/datafusion-contrib/datafusion-python/pull/3) ([tfeda](https://github.com/tfeda))
- fix ci by fixing directories [\#2](https://github.com/datafusion-contrib/datafusion-python/pull/2) ([Jimexist](https://github.com/Jimexist))
- setup workflow [\#1](https://github.com/datafusion-contrib/datafusion-python/pull/1) ([Jimexist](https://github.com/Jimexist))
## [0.5.1](https://github.com/datafusion-contrib/datafusion-python/tree/0.5.1) (2022-03-15)
[Full Changelog](https://github.com/datafusion-contrib/datafusion-python/compare/0.5.1-rc1...0.5.1)
## [0.5.1-rc1](https://github.com/datafusion-contrib/datafusion-python/tree/0.5.1-rc1) (2022-03-15)
[Full Changelog](https://github.com/datafusion-contrib/datafusion-python/compare/0.5.0...0.5.1-rc1)
## [0.5.0](https://github.com/datafusion-contrib/datafusion-python/tree/0.5.0) (2022-03-10)
[Full Changelog](https://github.com/datafusion-contrib/datafusion-python/compare/0.5.0-rc2...0.5.0)
## [0.5.0-rc2](https://github.com/datafusion-contrib/datafusion-python/tree/0.5.0-rc2) (2022-03-10)
[Full Changelog](https://github.com/datafusion-contrib/datafusion-python/compare/0.5.0-rc1...0.5.0-rc2)
**Closed issues:**
- Add support for Ballista [\#37](https://github.com/datafusion-contrib/datafusion-python/issues/37)
- Implement DataFrame.explain [\#35](https://github.com/datafusion-contrib/datafusion-python/issues/35)
## [0.5.0-rc1](https://github.com/datafusion-contrib/datafusion-python/tree/0.5.0-rc1) (2022-03-09)
[Full Changelog](https://github.com/datafusion-contrib/datafusion-python/compare/4c98b8e9c3c3f8e2e6a8f2d1ffcfefda344c4680...0.5.0-rc1)
**Closed issues:**
- Investigate exposing additional optimizations [\#28](https://github.com/datafusion-contrib/datafusion-python/issues/28)
- Use custom allocator in Python build [\#27](https://github.com/datafusion-contrib/datafusion-python/issues/27)
- Why is pandas a requirement? [\#24](https://github.com/datafusion-contrib/datafusion-python/issues/24)
- Unable to build [\#18](https://github.com/datafusion-contrib/datafusion-python/issues/18)
- Setup CI against multiple Python version [\#6](https://github.com/datafusion-contrib/datafusion-python/issues/6)
\* _This Changelog was automatically generated by [github_changelog_generator](https://github.com/github-changelog-generator/github-changelog-generator)_
\* *This Changelog was automatically generated by [github_changelog_generator](https://github.com/github-changelog-generator/github-changelog-generator)*