Trait migrant_lib::Migratable

pub trait Migratable: MigratableClone {
    fn tag(&self) -> String;

    fn apply_up(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn Error>> { ... }
    fn apply_down(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn Error>> { ... }
    fn description(&self, _: &Direction) -> String { ... }
}

A type that can be used to define database migrations

Required methods

fn tag(&self) -> String

A unique identifying tag

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Provided methods

fn apply_up(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn Error>>

Define functionality that runs for up migrations

fn apply_down(&self, _: DbKind, _: &Config) -> Result<(), Box<dyn Error>>

Define functionality that runs for down migrations

fn description(&self, _: &Direction) -> String

Option migration description. Defaults to Migratable::tag

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Implementors

impl Migratable for EmbeddedMigration

fn apply_up(
    &self,
    _db_kind: DbKind,
    _config: &Config
) -> Result<(), Box<dyn Error>>

fn apply_down(
    &self,
    db_kind: DbKind,
    config: &Config
) -> Result<(), Box<dyn Error>>

fn tag(&self) -> String

fn description(&self, _: &Direction) -> String

impl Migratable for FileMigration

fn apply_up(
    &self,
    db_kind: DbKind,
    config: &Config
) -> Result<(), Box<dyn Error>>

fn apply_down(
    &self,
    db_kind: DbKind,
    config: &Config
) -> Result<(), Box<dyn Error>>

fn tag(&self) -> String

fn description(&self, direction: &Direction) -> String

impl<T, U> Migratable for FnMigration<T, U> where
    T: 'static + Clone + Fn(ConnConfig<'_>) -> Result<(), Box<dyn Error>>,
    U: 'static + Clone + Fn(ConnConfig<'_>) -> Result<(), Box<dyn Error>>, 

fn apply_up(&self, _: DbKind, config: &Config) -> Result<(), Box<dyn Error>>

fn apply_down(&self, _: DbKind, config: &Config) -> Result<(), Box<dyn Error>>

fn tag(&self) -> String

fn description(&self, _: &Direction) -> String

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