versatile-data 0.86.1

A library for databases that has convenient datasets that group together commonly used fields and gives you the flexibility to create your own fields.
Documentation 
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#[cfg(test)]
#[test]
fn test4() {
    use versatile_data::*;

    let dir = "./vd-test4/";
    if std::path::Path::new(dir).exists() {
        std::fs::remove_dir_all(dir).unwrap();
    }

    let mut data = Data::new(dir, DataOption::default());
    data.update(&Operation::New(Record {
        fields: vec![
            KeyValue::new("name", "test".to_owned()),
            KeyValue::new("password", "test".to_owned()),
        ],
        ..Default::default()
    }));
    data.update(&Operation::New(Record {
        activity: Activity::Active,
        term_begin: Term::Default,
        term_end: Term::Default,
        fields: vec![
            KeyValue::new("name", "test2".to_owned()),
            KeyValue::new("password", "test".to_owned()),
        ],
    }));
    data.update(&Operation::New(Record {
        fields: vec![
            KeyValue::new("name", "test3".to_owned()),
            KeyValue::new("password", "test".to_owned()),
        ],
        ..Default::default()
    }));
    data.update(&Operation::Delete { row: 2 });
    data.update(&Operation::New(Record {
        fields: vec![
            KeyValue::new("name", "test4".to_owned()),
            KeyValue::new("password", "test".to_owned()),
        ],
        ..Default::default()
    }));
    let r = data
        .search_default()
        .result_with_sort(vec![Order::Asc(OrderKey::Serial)]);
    println!("{:?}", r);

    let mut data = Data::new(dir, DataOption::default());
    data.update(&Operation::New(Record {
        fields: vec![
            KeyValue::new("name", "test5".to_owned()),
            KeyValue::new("password", "test".to_owned()),
        ],
        ..Default::default()
    }));
    let r = data
        .search_default()
        .result_with_sort(vec![Order::Asc(OrderKey::Serial)]);
    println!("{:?}", r);

    println!("OK");
}