Open
Description
System information
- OS version/distro: Windows 10
- .NET Version (eg., dotnet --info): netstandard2.0
Issue
Please provide new functionality for DataFrames: Order By multiple columns, for example:
// Arrange
Column0 | Column1 | Column2 | Column3 |
---|---|---|---|
AAA | 1 | 1212 | 1313 |
BBB | 3 | 99 | 1616 |
CCC | 2 | 98 | 1717 |
DDD | 2 | 97 | 1818 |
EEE | 1 | 1111 | 1515 |
FFF | 1 | 1212 | 1414 |
// Act
DataFrame.OrderBy(new [] { "Column1", "Column2", "Column3" })
// Assert
Column0 | Column1 | Column2 | Column3 |
---|---|---|---|
EEE | 1 | 1111 | 1515 |
AAA | 1 | 1212 | 1313 |
FFF | 1 | 1212 | 1414 |
DDD | 2 | 97 | 1818 |
CCC | 2 | 98 | 1717 |
BBB | 3 | 99 | 1616 |