gorm 0.1.4

An orm that is simple to use and prevents all mistakes at compile time
Documentation 
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use crate::{error::*, execution::SqlStatementExecutor};

/// A migration which can be used to create and drop many tables conveniently.
#[async_trait::async_trait]
pub trait Migration {
    /// Creates the tables of this migration.
    async fn up<E: SqlStatementExecutor>(executor: &E) -> Result<()>;

    /// Drops the tables of this migration.
    async fn down<E: SqlStatementExecutor>(executor: &E) -> Result<()>;
}