Trait schemamama_postgres::PostgresMigration

pub trait PostgresMigration: Migration {
    fn up(&self, transaction: &mut Transaction) -> Result<(), PostgresError> { ... }
    fn down(&self, transaction: &mut Transaction) -> Result<(), PostgresError> { ... }
}

A migration to be used within a PostgreSQL connection.

Provided methods

fn up(&self, transaction: &mut Transaction) -> Result<(), PostgresError>

Called when this migration is to be executed. This function has an empty body by default, so its implementation is optional.

fn down(&self, transaction: &mut Transaction) -> Result<(), PostgresError>

Called when this migration is to be reversed. This function has an empty body by default, so its implementation is optional.

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Implementors

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