You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: kv.go
    path of file: ./repos/cockroach/pkg/workload/kv
    
    the code of the file until where you have to start completion: // Copyright 2017 The Cockroach Authors.
//
// Use of this software is governed by the Business Source License
// included in the file licenses/BSL.txt.
//
// As of the Change Date specified in that file, in accordance with
// the Business Source License, use of
    
func (w *kv) Hooks() workload.Hooks {
	return workload.Hooks{
		PostLoad: func(_ context.Context, db *gosql.DB) error {
			if w.enum {
				_, err := db.Exec(`
CREATE TYPE enum_type AS ENUM ('v');
ALTER TABLE kv ADD COLUMN e enum_type NOT NULL AS ('v') STORED;`)
				if err != nil {
					return err
				}
			}
			if w.scatter {
				if _, err := db.Exec(`ALTER TABLE kv SCATTER`); err != nil {
					return err
				}
			}
			return nil
		},
		Validate: w.validateConfig,
	}
}