Dataframe 0.9.1

Kotlin Dataframe 0.9.1 released!

Blog post: https://blog.jetbrains.com/kotlin/2023/01/kotlin-dataframe-0-9-1-released/

Get it on Maven Central!

TL;DR

• OpenAPI type schemas can now be parsed and converted into data schemas.
  Read about it in the blog post.
• New JSON reading options include type clash tactics and key/value paths.
  Read about it in the blog post.
• Support for writing Apache Arrow files has been added.
  Read about it in the blog post.
• Many bugs have been fixed and some new stuff has been added.
  Read about it in the blog post.
• Make sure to update your Kotlin Jupyter kernel if you use DataFrame there.

Auto Generated What's Changed

• Fixed typo by @njacobs5074 in #123
• Expand Arrow reading support by @Kopilov in #129
• #132 Add skipRows parameter to enable reading data with header from… by @koperagen in #135
• Consider skipRows when obtaining column indexes #132 by @koperagen in #137
• More Converting operations by @Kopilov in #133
• Fix examples by @Jolanrensen in #146
• use index math for skip rows #132 by @koperagen in #153
• Setup Kover by @koperagen in #154
• Publish KSP as fat jar to avoid transitive dependency on dataframe by @koperagen in #164
• fix BindException on CI by @koperagen in #166
• Merge core and tests modules by @koperagen in #165
• Arrow writing by @Kopilov in #162
• Revert "Arrow writing" by @koperagen in #167
• Fix problem with big arrow by @ileasile in #163
• generate a new marker when dataframe marker is not a data schema by @koperagen in #168
• Add a way of explicit switching to dark color scheme. by @ileasile in #174
• Nullable accessors and fixed convertTo by @Jolanrensen in #175
• updating to kotlin 1.7.20 by @Jolanrensen in #180
• add delimiter option for solving read error by @LeeMH in #183
• Converting to date, Cell conversion exception by @Kopilov in #187
• OpenAPI/Swagger JSON type schema support + many small fixes I came across by @Jolanrensen in #173
• update csv read docs with ways to read locale specific numbers by @koperagen in #189
• CellConversionException in DataColumn<String?>.convertToDouble(locale) by @Kopilov in #190
• Fix for generic type to Any? erasure in new column creation by @Jolanrensen in #192
• Absolute path fixes in plugins by @Jolanrensen in #191
• fix for "Jupyter codegen: attempt to inherit from data class" by @Jolanrensen in #193
• Arrow writing by @Kopilov in #169
• Write nulls from columns to JSON explicitly by @koperagen in #195
• support applying column operations on row expression result in AddDsl by @koperagen in #196
• Backtick name bug by @Jolanrensen in #199
• Dataschema generic inheritance by @Jolanrensen in #200
• Add emptyDataFrame to documentation by @matthewwiese in #201
• Jupyter codegen isOpen both for var/val by @Jolanrensen in #202
• Sort grouped df by @Jolanrensen in #204
• Bugfix for NPE with fillNulls by @Jolanrensen in #205
• Support custom filling of missing columns in convertTo by @nikitinas in #207
• Added docs and clarifications to functional typealiases by @Jolanrensen in #203
• Min kernel version fix by @Jolanrensen in #209
• Don't print header record in csv if requested by @vhuc in #211
• read -> unfold + Add documentation for unfold #159 by @koperagen in #206

New Contributors

• @njacobs5074 made their first contribution in #123
• @LeeMH made their first contribution in #183
• @matthewwiese made their first contribution in #201
• @vhuc made their first contribution in #211

Full Changelog: build-0.8.0...build-0.9.1