Struct Relation 

pub struct Relation<P, C, K>
where
    P: Model,
    C: Model,
    K: RelationKind,
{
    pub parent_value: Value,
    pub local_key: &'static str,
    pub foreign_key: &'static str,
    /* private fields */
}

A live relation handle: from a parent row, load the related rows.

Fields

parent_value: Value

local_key: &'static str

foreign_key: &'static str

Implementations

impl<P, C> Relation<P, C, HasMany>

where P: Model, C: Model,

pub async fn load(self, pool: &Pool<Postgres>) -> Result<Vec<C>, Error>

impl<P, C> Relation<P, C, BelongsTo>

where P: Model, C: Model,

pub async fn load(self, pool: &Pool<Postgres>) -> Result<Option<C>, Error>

impl<P, C> Relation<P, C, HasOne>

where P: Model, C: Model,

pub async fn load(self, pool: &Pool<Postgres>) -> Result<Option<C>, Error>

impl<P, C, K> Relation<P, C, K>

where P: Model, C: Model, K: RelationKind,

pub fn new( parent_value: Value, local_key: &'static str, foreign_key: &'static str, ) -> Relation<P, C, K>