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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