| import org.jetbrains.kotlinx.dataframe.* |
| import org.jetbrains.kotlinx.dataframe.annotations.* |
| import org.jetbrains.kotlinx.dataframe.api.* |
| import org.jetbrains.kotlinx.dataframe.io.* |
| |
| fun box(): String { |
| val df = dataFrameOf("a", "b", "c")(1, 2, 3) |
| .group { a and b }.into("d") |
| .move { c }.under { d } |
| df.checkCompileTimeSchemaEqualsRuntime() |
| |
| // alias for group into |
| dataFrameOf("a", "b", "c")(1, 2, 3) |
| .move { a and b }.under("d") |
| .checkCompileTimeSchemaEqualsRuntime() |
| |
| // new group by path |
| dataFrameOf("a", "b", "c")(1, 2, 3) |
| .move { a and b }.under { pathOf("new", "group") } |
| .let { df -> |
| df.new.group.a |
| df.new.group.b |
| df.checkCompileTimeSchemaEqualsRuntime() |
| } |
| |
| return "OK" |
| } |