Package com.illumon.iris.db.v2

Class ShiftedColumnOperation

java.lang.Object

com.illumon.iris.db.v2.ShiftedColumnOperation

public class ShiftedColumnOperation
extends Object

Tools for creating a new ShiftedColumn(s) for a given input table and a source column(s)

Method Summary

Modifier and Type	Method	Description
static Table	addShiftedColumns(Table input, long shift, String... matchColumns)	Creates a new table that has all the columns of the input table plus includes the new shifted column(s).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

addShiftedColumns

public static Table addShiftedColumns(@NotNull Table input, long shift, @NotNull String... matchColumns)

Creates a new table that has all the columns of the input table plus includes the new shifted column(s).

Parameters:

input - source table

shift - the positive or negative shift value

matchColumns - the source and shifted column pair(s) as shifted=source for example "X1=X", "Y1=Y"...

Returns:

a new Table that includes the shifted column