Adjust Date

Synopsis

这个操作符调整在指定的日期tribute by adding or subtracting the specified amount of time.

Description

The Adjust Date operator adjusts the values of the specified date attribute by adding or subtracting constant values. Year, month, day, hour, minute, second and millisecond adjustments are allowed. Multiple adjustments can be made to a single attribute. For example, you can add a month and subtract 2 hours from an attribute. If thekeep old attributeparameter is set to true, the old attribute will be kept along with the adjusted attribute. Otherwise, the adjusted attribute will replace the previous attribute.

Input

example set input

This input port expects an ExampleSet. It is the output of the Subprocess operator in the attached Example Process. The output of other operators can also be used as input. The ExampleSet should have at least one date/time attribute because if there is no such attribute, the use of this operator does not make sense.

Output

example set output

The values of the selected date attribute are adjusted and the resultant ExampleSet is delivered through this port.

original

The ExampleSet that was given as input is passed without changing to the output through this port. This is usually used to reuse the same ExampleSet in further operators or to view the ExampleSet in the Results Workspace.

Parameters

Attribute name

This parameter specifies the name of the date attribute which should be adjusted.

Adjustments

This parameter defines the list of all date adjustments. Multiple adjustments can be made to a single attribute. For example, you can add a month and subtract 2 hours from the selected attribute.

Keep old attribute

This parameter indicates if the original date attribute should be kept. If this parameter is set to true, the old attribute will be kept along with the adjusted attribute. Otherwise, the adjusted attribute will replace the previous attribute.