core/org.jetbrains.kotlinx.dataframe.impl.aggregation.receivers/AggregateInternalDsl

AggregateInternalDsl

internal interface AggregateInternalDsl<out T>

Inheritors

GroupByReceiverImpl

AggregatePivotDslImpl

Properties

abstract val df: DataFrame<T>

hasGroupingKeys

abstract val hasGroupingKeys: Boolean

Functions

internal fun <T, C : Any, R> AggregateInternalDsl<T>.aggregateFor(columns: ColumnsForAggregateSelector<T, C?>, aggregator: Aggregator<C, R>)

internal fun <T, C> AggregateInternalDsl<T>.columnValues(columns: ColumnsForAggregateSelector<T, C>, reducer: Selector<DataFrame<T>, DataRow<T>?>)

internal fun <T, C> AggregateInternalDsl<T>.columnValues(columns: ColumnsForAggregateSelector<T, C>, forceYieldLists: Boolean, dropNA: Boolean, distinct: Boolean)

internal fun <T, C> AggregateInternalDsl<T>.getPath(col: AggregateColumnDescriptor<C>, isSingle: Boolean): ColumnPath

pathForSingleColumn

abstract fun pathForSingleColumn(column: AnyCol): ColumnPath

internal fun <T, V> AggregateInternalDsl<T>.withExpr(type: KType, path: ColumnPath, expression: RowExpression<T, V>)

abstract fun yield(value: NamedValue): NamedValue

abstract fun <R> yield(path: ColumnPath, value: R, type: KType? = null, default: R? = null): NamedValue

open fun <R> yield(path: ColumnPath, value: R, type: KType?, default: R?, guessType: Boolean): NamedValue

internal fun <T, V> AggregateInternalDsl<T>.yieldOneOrMany(path: ColumnPath, values: List<V>, type: KType, default: V? = null)