Enum barrel::DatabaseChange

pub enum DatabaseChange {
    CreateTable(Table, Rc<dyn Fn(&mut Table)>),
    CreateTableIfNotExists(Table, Rc<dyn Fn(&mut Table)>),
    ChangeTable(Table, Rc<dyn Fn(&mut Table)>),
    RenameTable(String, String),
    DropTable(String),
    DropTableIfExists(String),
    CustomLine(String),
}

An enum set that represents a single change on a database

Variants

CreateTable(Table, Rc<dyn Fn(&mut Table)>)

Create a new table

CreateTableIfNotExists(Table, Rc<dyn Fn(&mut Table)>)

Create a new table only if it doesn’t exist yet

ChangeTable(Table, Rc<dyn Fn(&mut Table)>)

Change fields on an existing table

RenameTable(String, String)

Rename a table

DropTable(String)

Drop an existing table

DropTableIfExists(String)

Only drop a table if it exists

CustomLine(String)

Add some custom SQL if all else fails

Trait Implementations

impl Clone for DatabaseChange

fn clone(&self) -> DatabaseChange

Returns a copy of the value.

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

Performs copy-assignment from source.