Trait Migration

pub trait Migration {
    // Required methods
    fn version(&self) -> &str;
    fn run(&self, conn: &dyn SimpleConnection) -> Result<(), RunMigrationsError>;
    fn revert(
        &self,
        conn: &dyn SimpleConnection,
    ) -> Result<(), RunMigrationsError>;

    // Provided method
    fn file_path(&self) -> Option<&Path> { ... }
}

Represents a migration that interacts with diesel

Required Methods

fn version(&self) -> &str

Get the migration version

fn run(&self, conn: &dyn SimpleConnection) -> Result<(), RunMigrationsError>

Apply this migration

fn revert(&self, conn: &dyn SimpleConnection) -> Result<(), RunMigrationsError>

Revert this migration

Provided Methods

fn file_path(&self) -> Option<&Path>

Get the migration file path

Trait Implementations

impl<'a> Migration for &'a dyn Migration

fn version(&self) -> &str

Get the migration version

fn run(&self, conn: &dyn SimpleConnection) -> Result<(), RunMigrationsError>

Apply this migration

fn revert(&self, conn: &dyn SimpleConnection) -> Result<(), RunMigrationsError>

Revert this migration

fn file_path(&self) -> Option<&Path>

Get the migration file path

impl Migration for Box<dyn Migration>

fn version(&self) -> &str

Get the migration version

fn run(&self, conn: &dyn SimpleConnection) -> Result<(), RunMigrationsError>

Apply this migration

fn revert(&self, conn: &dyn SimpleConnection) -> Result<(), RunMigrationsError>

Revert this migration

fn file_path(&self) -> Option<&Path>

Get the migration file path

Implementations on Foreign Types

impl Migration for Box<dyn Migration>

fn version(&self) -> &str

fn run(&self, conn: &dyn SimpleConnection) -> Result<(), RunMigrationsError>

fn revert(&self, conn: &dyn SimpleConnection) -> Result<(), RunMigrationsError>

fn file_path(&self) -> Option<&Path>

Implementors

impl<'a> Migration for &'a dyn Migration