/* Purpose: This sample function demonstrates how to decrypt data which was encrypted using a KMS key. This function can be used in conjunction with f_kms_encrypt. Note: the test input/output is for illustration and would need to be modified to use data that was encrypted with YOUR kms key. 2021-09-08: written by rjvgupta */ CREATE OR REPLACE EXTERNAL FUNCTION f_kms_decrypt (value varchar(max)) RETURNS varchar STABLE LAMBDA 'f-kms-decrypt-varchar' IAM_ROLE ':RedshiftRole';