private String compare(String cn, String operator, String collation) {
        return "(" + cn + ' ' + operator + " COLLATE " + collation + ')';
    }
@author Per Minborg
@author Emil Forslund
runtime-parent/runtime-connector-parent/mysql/src/main/java/com/speedment/runtime/connector/mysql/internal/MySqlSpeedmentPredicateView.java