use anyhow::{anyhow, Result};

// errors if input contains non-alphanumeric characters or underscore
// in other worse - valid column names only
pub fn check_input(input: &str) -> Result<()> {
    let valid = input
        .as_bytes()
        .iter()
        .all(|&c| c.is_ascii_alphanumeric() || c == b'_');
    match valid {
        true => Ok(()),
        false => Err(anyhow!("Invalid Input: {}", input)),
    }
}