SeaQL/sea-orm 1.1.8

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#[derive(DeriveValueType)]
#[sea_orm(value_type = "String")]
pub enum Tag {
    Hard,
    Soft,
}

// `from_str` defaults to `std::str::FromStr::from_str`
impl std::str::FromStr for Tag {
    type Err = sea_orm::sea_query::ValueTypeErr;
    fn from_str(s: &str) -> Result<Self, Self::Err> { .. }
}

// `to_str` defaults to `std::string::ToString::to_string`.
impl std::fmt::Display for Tag {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { .. }
}

// you can override from_str and to_str with custom functions
#[derive(DeriveValueType)]
#[sea_orm(value_type = "String", from_str = "Tag::from_str", to_str = "Tag::to_str")]
pub enum Tag {
    Color,
    Grey,
}

impl Tag {
    fn from_str(s: &str) -> Result<Self, ValueTypeErr> { .. }

    fn to_str(&self) -> &'static str { .. }
}

// Model
#[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel)]
#[sea_orm(table_name = "host_network")]
pub struct Model {
    #[sea_orm(primary_key)]
    pub id: i32,
    pub ipaddress: IpNetwork,
    #[sea_orm(column_type = "Cidr")]
    pub network: IpNetwork,
}

// Schema
sea_query::Table::create()
    .table(host_network::Entity)
    .col(ColumnDef::new(host_network::Column::Id).integer().not_null().auto_increment().primary_key())
    .col(ColumnDef::new(host_network::Column::Ipaddress).inet().not_null())
    .col(ColumnDef::new(host_network::Column::Network).cidr().not_null())
    .to_owned();

// CRUD
host_network::ActiveModel {
    ipaddress: Set(IpNetwork::new(Ipv6Addr::new(..))),
    network: Set(IpNetwork::new(Ipv4Addr::new(..))),
    ..Default::default()
}