Struct barrel::table::Column

pub struct Column {
    pub unique: bool,
    pub indexed: bool,
    pub nullable: bool,
    pub increments: bool,
    pub _type: Type,
    pub def: Option<ColumnDefault>,
}

Fields

unique: bool

Is this a unique key

indexed: bool

Should the database create an index

nullable: bool

Can this column be NULL

increments: bool

Does it auto-increment

_type: Type

What's the column type

def: Option<ColumnDefault>

What's default value records in this column

Methods

impl Column

pub fn new(t: Type) -> Column

Lazy constructor mostly used in unit tests

pub fn default<T: Into<ColumnDefault>>(&mut self, data: T) -> &mut Column

Set a default value for this column

pub fn nullable(&mut self) -> &mut Column

Set a column to allow being null

pub fn increments(&mut self) -> &mut Column

Setup this column to automatically increment (such as integers)

Throws an error if the column type can't increment (like booleans)

Trait Implementations

impl Debug for Column

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

Formats the value using the given formatter.

impl Clone for Column

fn clone(&self) -> Column

Returns a copy of the value.

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

Performs copy-assignment from source.