toql_mysql 0.1.2

Library with mysql integration for toql
Documentation 
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use mysql;


/// Trait to convert MySQL result row into Toql structs.
/// This is implements by Toql Derive for all dervied structs.
pub trait FromResultRow<T> {
    // Skip row values for struct.
    // Returns a new index that points to next struct.
    fn forward_row( i: usize)-> usize;
    // Read row values into struct, starting from index `i`.
    fn from_row_with_index( row: &mut mysql::Row, i: &mut usize) -> Result<T,mysql::error::Error> ;
}

/// Function to convert MySQL query result into Toql struct.
pub fn from_query_result<T: FromResultRow<T>>(result: mysql::QueryResult) -> Result<Vec<T>, mysql::error::Error> {
    let mut i: usize = 0;
    result
        .map(|row| { i = 0; T::from_row_with_index( &mut row?, &mut i)})
        .collect()
}

/// Function to convert MySQL query result row into Rust struct.
pub fn from_row<T: FromResultRow<T>>(mut row: mysql::Row) -> Result<T, mysql::error::Error> {
    let mut i: usize = 0;
    T::from_row_with_index(&mut row, &mut i)
}