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• LazyGroupedDataFrame.kt

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org.jetbrains.kotlinx.ggdsl.dataframe.data.LazyGroupedDataFrame.kt Maven / Gradle / Ivy

package org.jetbrains.kotlinx.ggdsl.dataframe.data

import kotlinx.serialization.Serializable
import org.jetbrains.kotlinx.dataframe.api.groupBy
import org.jetbrains.kotlinx.ggdsl.ir.data.LazyGroupedDataInterface

/**
 * Lazy grouping implementation for [DataFrameWrapper].
 */
@Serializable
public data class LazyGroupedDataFrame(
    override val keys: List,
    override val origin: DataFrameWrapper,
) : LazyGroupedDataInterface {
    override fun count(): GroupedByWrapper = GroupedByWrapper(origin.df.groupBy(cols = keys.toTypedArray()))
}