presto-main/src/main/java/io/prestosql/type/BooleanOperators.java/BooleanOperators/greaterThanOrEqual
class BooleanOperators:    @ScalarOperator(GREATER_THAN_OR_EQUAL)
    @SqlType(StandardTypes.BOOLEAN)
    public static boolean greaterThanOrEqual(@SqlType(StandardTypes.BOOLEAN) boolean left, @SqlType(StandardTypes.BOOLEAN) boolean right)
    {
        return left || !right;
    }