core/org.jetbrains.kotlinx.dataframe.api/SelectColumnsSelectionDsl

SelectColumnsSelectionDsl

interface SelectColumnsSelectionDsl

Select `Columns Selection DSL`

See Grammar for all functions in this interface.

Inheritors

ColumnsSelectionDsl

Types

Grammar

interface Grammar

Functions

select

open fun <R> String.select(selector: ColumnsSelector<*, R>): ColumnSet<R>

open fun <C, R> KProperty<C>.~~select~~(selector: ColumnsSelector<C, R>): ColumnSet<R>

open fun <R> ColumnPath.select(selector: ColumnsSelector<*, R>): ColumnSet<R>

open fun <C, R> SingleColumn<DataRow<C>>.select(selector: ColumnsSelector<C, R>): ColumnSet<R>

Perform a selection of columns using the Columns Selection DSL on any ColumnGroup. This is more powerful than the cols filter, because now all operations of the DSL are at your disposal.

SelectColumnsSelectionDsl

Select Columns Selection DSL

Inheritors

Types

Functions

Select `Columns Selection DSL`