presto-main/src/main/java/io/prestosql/metadata/LongVariableConstraint.java/LongVariableConstraint/equals
class LongVariableConstraint:    @Override
    public boolean equals(Object o)
    {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        LongVariableConstraint that = (LongVariableConstraint) o;
        return Objects.equals(name, that.name) &&
                Objects.equals(expression, that.expression);
    }