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Trifacta Dataprep


On April 28, 2021, Google is changing the required permissions for attaching IAM roles to service accounts. If you are using IAM roles for your Google service accounts, please see Changes to User Management.


Specifies the number of output key-value pair columns to produce after unpivoting.

This optional parameter is used to create multiple sets of key-value pair columns in the output. The columns listed in the col parameter are placed into each pair of output key-value columns sequentially. After all key-value pair columns are filled in a record, the next column is placed into the first key-value pair column of the next record.

By default, this value is 1, meaning that each column specified in the transform is rendered into a new record in a single pair of key-value columns.


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