Enum barrel::TableChange

pub enum TableChange {
    AddColumn(String, Type),
    ChangeColumn(String, Type, Rc<dyn Fn(&mut Type)>),
    RenameColumn(String, String),
    DropColumn(String),
    CustomLine(String),
}

An enum set that represents a single change on a table

Variants

AddColumn(String, Type)

Add a column of a name and type

ChangeColumn(String, Type, Rc<dyn Fn(&mut Type)>)

Change an existing column

RenameColumn(String, String)

Simply rename a column

DropColumn(String)

Remove a column

CustomLine(String)

Add some custom SQL if all else fails

Trait Implementations

impl Clone for TableChange

fn clone(&self) -> TableChange

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for TableChange

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

Formats the value using the given formatter.