Struct Migration 

pub struct Migration {
    pub version: u32,
    pub description: &'static str,
    pub sql: &'static str,
}

A single schema migration.

Each migration has a unique monotonically increasing version number, a human-readable description, and one or more SQL statements to execute.

Fields

version: u32

Unique version number. Must be greater than zero and monotonically increasing across the migration list.

description: &'static str

Short human-readable description of the migration.

sql: &'static str

SQL statements to execute. Multiple statements can be separated by semicolons; they run inside a single transaction.

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.