17 lines
703 B
Kotlin
Vendored
17 lines
703 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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fun box(): String {
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val groupBy = dataFrameOf("a")(1, 1, 2, 3, 3).groupBy { a }.add("id") { index() }
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groupBy.maxBy { id }.into("group").compareSchemas()
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groupBy.maxBy { id }.into("group").compareSchemas()
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groupBy.first { id == 1 }.into("group").compareSchemas()
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groupBy.first().into("group").compareSchemas()
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groupBy.last { id == 1 }.into("group").compareSchemas()
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groupBy.last().into("group").compareSchemas()
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groupBy.minBy { id == 1 }.into("group").compareSchemas()
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return "OK"
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}
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