2023.2.2

What's Changed

Misc

• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #170

Bug fixes

• Fix layer order assumption in optimization by @douglasdavis in #173
• Protect against empty project_columns argument by @douglasdavis in #175

Full Changelog: 2023.2.1...2023.2.2

2023.2.1

Major update

Refactoring of the necessary columns optimization (#148): this was a very large PR that touched a lot of the code base. The dask-awkward configuration was changed to go along with the new optimization that is based on running the task graph on awkward typetracer arrays.

New

• Add dak.values_astype (#166)
• Scalar support getitem and getattr via Delayed (#168)

Other

• Some pre-commit/CI updates

2023.2.0

New

• Register with dask.sizeof (#142)
• Use length zero arrays of metadata for metadata tracking when necessary (#143, #162)
• Configuration parameter awkward.raise-failed-meta (default is False) controls whether an exception is raised if the the metadata of a new collection cannot be determined automatically. (#162)
• Support integer dtype arrays as the where parameter of getitem calls (#158)
• More awkward namespace operations supported (#146)

Fixes

• Remove need for explicit computation in dak.with_name (#150)
• Upstream UnknownScalar removal (#152)
• Relax partition checking for dak.concatenate (#161)
• Remove xfail from a distributed test (#149)

Other

• License as nested text (#157)
• Some pre-commit and CI updates

2023.1.0

New features

• Add dak.concatenate with axis>=0 support. (#125)
• Add dak.unzip support (#136)
• Add dak.where support (#133)
• Add dak.with_field support (#137)

Fixes

• Remove flatten_records keyword argument from reducers (remove deprecation warning from upstream awkward) (#139)
• Fix getitem optimization such that only starting fields can be discovered (#131)

Other

• More documentation (#132)
• Some pre-commit updates

2022.12.0

This is the first official release of dask-awkward!

Please find the documentation at https://dask-awkward.readthedocs.io/