preserve

open override fun preserve(vararg classes: KClass<*>)

Store given classes in ValueColumns without transformation into ColumnGroups or FrameColumns.

For more information: See DataFrame from Iterable on the documentation website.


open override fun preserve(vararg properties: KCallable<*>)

Store given properties in ValueColumns without transformation into ColumnGroups or FrameColumns. These can also be getter-like functions (like getX() or isX()).

For more information: See DataFrame from Iterable on the documentation website.