public SQLMergeClause values(Object... v) {
        for (Object value : v) {
            if (value instanceof Expression<?>) {
                values.add((Expression<?>) value);
            } else if (value != null) {
                values.add(ConstantImpl.create(value));
            } else {
                values.add(Null.CONSTANT);
            }
        }
        return this;
    }
Set the keys to be used in the MERGE clause

@param paths keys
@return the current object
querydsl-sql/src/main/java/com/querydsl/sql/dml/SQLMergeClause.java