Allows you to purchase reserved nodes. Amazon Redshift offers a predefined
            set of reserved node offerings.           You can purchase one of the offerings. You
            can call the           DescribeReservedNodeOfferings API to obtain the available
            reserved node offerings. You can call this            API by providing a specific
            reserved node offering and the number of nodes you want to reserve.       
            
                   
            
For more information about managing parameter groups, go to Purchasing Reserved Nodes in the Amazon Redshift Management Guide.
 Declaration Syntax
 Declaration Syntax| C# | 
public PurchaseReservedNodeOfferingResponse PurchaseReservedNodeOffering( PurchaseReservedNodeOfferingRequest request )
 Parameters
 Parameters- request (PurchaseReservedNodeOfferingRequest)
- Container for the necessary parameters to execute the PurchaseReservedNodeOffering service method.
 Return Value
 Return ValueThe response from the PurchaseReservedNodeOffering service method, as returned by Redshift.
 Exceptions
 Exceptions| Exception | Condition | 
|---|---|
| ReservedNodeAlreadyExistsException | User already has a reservation with the given identifier. | 
| ReservedNodeOfferingNotFoundException | Specified offering does not exist. | 
| ReservedNodeQuotaExceededException | Request would exceed the user's compute node quota. For information about
            increasing your quota, go to Limits
            in Amazon Redshift in the Amazon Redshift Management Guide. |