Trait diesel::associations::Identifiable
[−]
[src]
pub trait Identifiable { type Id: Hash + Eq; type Table: Table + for<'a> FindDsl<&'a Self::Id>; fn table() -> Self::Table; fn id(&self) -> &Self::Id; }
Represents a struct which can be identified on a single table in the database. This must be implemented to use associations, and some features of updating.
Deriving
This trait can be automatically derived using diesel_codegen
by adding
#[derive(Identifiable)]
to your struct. The primary key will be assumed to be a field and
column called id
. By default the table will be assumed to be the plural form of the struct
name (using very dumb pluralization -- it just adds an s
at the end). If your table name
differs from that convention, or requires complex pluralization, it can be specified using
#[table_name = "some_table_name"]
. The inferred table name is considered public API and will
never change without a major version bump.