Creates a ColumnPath from the receiver and the given column name column. This is a shorthand for pathOf("myColumnName", "myNestedColumnName") and is often used in combination with ColumnPath.invoke to retrieve the value of a nested column. For instance:

open operator fun <T, R> KProperty<T>.~~get~~(column: KProperty<R>): DataColumn<R>

open operator fun <T, R> KProperty<T>.~~get~~(column: KProperty<DataFrame<R>>): FrameColumn<R>

open operator fun <T, R> KProperty<T>.~~get~~(column: KProperty<DataRow<R>>): ColumnGroup<R>

@JvmName(name = "KPropertyDataRowGet")

open operator fun <T, R> KProperty<DataRow<T>>.~~get~~(column: KProperty<R>): DataColumn<R>

@JvmName(name = "KPropertyDataRowGet")

open operator fun <T, R> KProperty<DataRow<T>>.~~get~~(column: KProperty<DataFrame<R>>): FrameColumn<R>

@JvmName(name = "KPropertyDataRowGet")

open operator fun <T, R> KProperty<DataRow<T>>.~~get~~(column: KProperty<DataRow<R>>): ColumnGroup<R>

Retrieves the value of this KProperty Accessor from the DataFrame.

open operator fun ColumnPath.get(column: String): ColumnPath

As extension to "myColumn"["myNestedColumn"], this function enables "myColumn"["myNestedColumn"]["myDoublyNestedColumn"] as alternative to pathOf("myColumn", "myNestedColumn", "myDoublyNestedColumn")

getColumn

fun <T, C> ColumnsContainer<T>.getColumn(selector: ColumnSelector<T, C>): DataColumn<C>

fun <T> ColumnsContainer<T>.getColumn(index: Int): DataColumn<*>

fun <T> ColumnsContainer<T>.getColumn(name: String): DataColumn<*>

fun <T> ColumnsContainer<T>.getColumn(path: ColumnPath): DataColumn<*>

fun <T, R> ColumnsContainer<T>.~~getColumn~~(column: ColumnReference<R>): DataColumn<R>

fun <T, R> ColumnsContainer<T>.~~getColumn~~(column: ColumnReference<DataFrame<R>>): FrameColumn<R>

fun <T, R> ColumnsContainer<T>.~~getColumn~~(column: ColumnReference<DataRow<R>>): ColumnGroup<R>

internal fun <C> ColumnsContainer<*>.getColumn(name: String, policy: UnresolvedColumnsPolicy): DataColumn<C>?

internal fun <C> ColumnsContainer<*>.getColumn(path: ColumnPath, policy: UnresolvedColumnsPolicy): DataColumn<C>?

getColumnGroup

fun <T, C> ColumnsContainer<T>.getColumnGroup(column: ColumnSelector<T, DataRow<C>>): ColumnGroup<C>

fun <T> ColumnsContainer<T>.getColumnGroup(index: Int): ColumnGroup<*>

fun <T> ColumnsContainer<T>.getColumnGroup(name: String): ColumnGroup<*>

fun <T> ColumnsContainer<T>.~~getColumnGroup~~(column: KProperty<*>): ColumnGroup<*>

fun <T> ColumnsContainer<T>.getColumnGroup(columnPath: ColumnPath): ColumnGroup<*>

fun <T, C> ColumnsContainer<T>.~~getColumnGroup~~(column: ColumnReference<DataRow<C>>): ColumnGroup<C>

getColumnGroupOrNull

fun <T> ColumnsContainer<T>.getColumnGroupOrNull(name: String): ColumnGroup<*>?

fun <T> ColumnsContainer<T>.~~getColumnGroupOrNull~~(column: KProperty<*>): ColumnGroup<*>?

getColumnIndex

abstract fun getColumnIndex(name: String): Int

getColumnOrNull

abstract fun <R> getColumnOrNull(column: ColumnSelector<T, R>): DataColumn<R>?

abstract fun getColumnOrNull(index: Int): DataColumn<*>?

abstract fun getColumnOrNull(name: String): DataColumn<*>?

abstract fun <R> ~~getColumnOrNull~~(column: KProperty<R>): DataColumn<R>?

abstract fun getColumnOrNull(path: ColumnPath): DataColumn<*>?

abstract fun <R> ~~getColumnOrNull~~(column: ColumnReference<R>): DataColumn<R>?

getFrameColumn

fun <T> ColumnsContainer<T>.getFrameColumn(columnName: String): FrameColumn<*>

fun <T> ColumnsContainer<T>.getFrameColumn(columnPath: ColumnPath): FrameColumn<*>

invoke

@JvmName(name = "stringInvokeTyped")

open operator fun <C> String.invoke(): DataColumn<C>

Retrieves the value of the column with this name from the DataFrame. This can be both typed and untyped. This is a shorthand for get("myColumnName") and can be written as "myColumnName"<MyColumnType>() instead.

@JvmName(name = "stringInvokeUntyped")

open operator fun String.invoke(): DataColumn<*>

open operator fun <T> KProperty<T>.~~invoke~~(): DataColumn<T>

open operator fun <T> KProperty<DataFrame<T>>.~~invoke~~(): FrameColumn<T>

open operator fun <T> KProperty<DataRow<T>>.~~invoke~~(): ColumnGroup<T>

Retrieves the value of this KProperty Accessor from the DataFrame.

open operator fun <C> ColumnPath.invoke(): DataColumn<C>

Retrieves the value of this ColumnPath from the DataFrame. This is a shorthand for getColumn(myColumnPath) and is most often used in combination with operator fun String.get(column: String), for instance:

open operator fun <C> ColumnReference<C>.invoke(): DataColumn<C>

open operator fun <T> ColumnReference<DataFrame<T>>.invoke(): FrameColumn<T>

open operator fun <T> ColumnReference<DataRow<T>>.invoke(): ColumnGroup<T>

Retrieves the value of this ColumnReference or -Accessor from the DataFrame.

mapToColumn

inline fun <T, reified R> ColumnsContainer<T>.~~mapToColumn~~(name: String, infer: Infer = Infer.Nulls, noinline body: AddExpression<T, R>): DataColumn<R>

Returns a new DataColumn with the given name and the values that body computes from the rows of this ColumnsContainer.

inline fun <T, reified R> ColumnsContainer<T>.~~mapToColumn~~(column: KProperty<R>, infer: Infer = Infer.Nulls, noinline body: AddExpression<T, R>): DataColumn<R>

inline fun <T, reified R> ColumnsContainer<T>.~~mapToColumn~~(column: ColumnReference<R>, infer: Infer = Infer.Nulls, noinline body: AddExpression<T, R>): DataColumn<R>

@PublishedApi

internal fun <T, R> ColumnsContainer<T>.mapToColumn(name: String, type: KType, infer: Infer = Infer.Nulls, body: AddExpression<T, R>): DataColumn<R>

fun <T, R> ColumnsContainer<T>.~~mapToColumn~~(column: KProperty<R>, type: KType, infer: Infer = Infer.Nulls, body: AddExpression<T, R>): DataColumn<R>

fun <T, R> ColumnsContainer<T>.~~mapToColumn~~(column: ColumnReference<R>, type: KType, infer: Infer = Infer.Nulls, body: AddExpression<T, R>): DataColumn<R>

newColumn

@PublishedApi

internal fun <T, R> ColumnsContainer<T>.newColumn(type: KType, name: String = "", infer: Infer = Infer.Nulls, expression: AddExpression<T, R>): DataColumn<R>

newColumnWithActualType

@PublishedApi

internal fun <T, R> ColumnsContainer<T>.newColumnWithActualType(name: String, expression: AddExpression<T, R>): DataColumn<R>