sliceDataset Parameters

Add a sliceDataset transformation to a dataflow either in the dataflow editor, or directly in the JSON dataflow definition file. The parameters you specify are the same for both methods.

To add a sliceDataset transformation in the dataflow editor, click sliceDataset button .

To add a sliceDataset transformation in the JSON definition file, add a node and set the action attribute to sliceDataset.

This table describes the input parameters.

Parameter Required? Value

source Yes Node in the dataflow definition file that identifies the dataset that you want to slice. Input source for this transformation.

mode

Yes

Parameter	Required?	Value
source	Yes	Node in the dataflow definition file that identifies the dataset that you want to slice. Input source for this transformation.
mode	Yes	The action you want to take on the specified fields. Set it to `drop` to remove the fields. Set it to `select` to keep the fields. A dataset must have at least 1 dimension field. If a sliceDataset node removes all dimension fields, the dataflow fails.
fields	Yes	An array of names of the fields that you want to drop or select from the specified source node.

The action you want to take on the specified fields. Set it to drop to remove the fields. Set it to select to keep the fields.

A dataset must have at least 1 dimension field. If a sliceDataset node removes all dimension fields, the dataflow fails.

fields Yes An array of names of the fields that you want to drop or select from the specified source node.