21 lines
660 B
Kotlin
Vendored
21 lines
660 B
Kotlin
Vendored
import org.jetbrains.kotlinx.dataframe.*
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import org.jetbrains.kotlinx.dataframe.annotations.*
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import org.jetbrains.kotlinx.dataframe.api.*
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import org.jetbrains.kotlinx.dataframe.io.*
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@DataSchema
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data class Record(val a: String, val b: Int)
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fun box(): String {
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val df = List(10) { Record(it.toString(), it) }.let { dataFrameOf(*it.toTypedArray()) }
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val df1 = df.groupBy { b }.aggregate { "123" into "fsdf" }
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val nested = df.group { a and b }.into("c")
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val df2 = nested.groupBy { c.a }.aggregate { "123" into "ff" }
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df2.a
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val df3 = nested.groupBy(moveToTop = false) { c.a }.aggregate { "123" into "ff" }
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df3.c.a
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return "OK"
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}
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