Struct Migration 

pub struct Migration {
    pub id: String,
    pub description: String,
    pub up: String,
    pub down: String,
}

A database migration.

Fields

id: String

Unique migration ID (typically timestamp-based)

description: String

Human-readable description

up: String

SQL to apply the migration

down: String

SQL to revert the migration

Implementations

impl Migration

pub fn new( id: impl Into<String>, description: impl Into<String>, up: impl Into<String>, down: impl Into<String>, ) -> Self

Create a new migration.

pub fn new_version() -> String

Generate a new migration version from the current timestamp.

Format: YYYYMMDDHHMMSS

pub fn from_operations( ops: &[SchemaOperation], ddl: &dyn DdlGenerator, description: impl Into<String>, ) -> Self

Create a migration from schema operations.

Uses the provided DDL generator to create UP (forward) and DOWN (rollback) SQL.

Trait Implementations

impl Clone for Migration

fn clone(&self) -> Migration

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Migration

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.