postgres_to_polars 0.7.0

A Rust library for direct and performant conversion of PostgreSQL data to Polars dataframes.
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pub mod error;
pub mod logger;
pub mod text_array;

pub fn md5_hash(user: &str, password: &str, salt: &[u8; 4]) -> String {
    // Étape 1 : md5(password + username)
    let inner = md5::compute(format!("{}{}", password, user));

    // inner est un [u8; 16], on le convertit en hex string
    let inner_hex = format!("{:x}", inner);

    // Étape 2 : md5(inner_hex + salt)
    let mut outer = md5::Context::new();
    outer.consume(inner_hex.as_bytes());
    outer.consume(salt);
    let final_hash = outer.finalize();

    // Préfixer par "md5"
    format!("md5{:x}", final_hash)
}

pub fn statement_name(query: &str) -> String {
    let digest = md5::compute(query.as_bytes());
    let res = format!("stmt_{:x}", digest); // Toujours 32 caractères

    res
}