Enum ColumnConstraint 

pub enum ColumnConstraint {
    NotNull {
        span: Span,
    },
    PrimaryKey {
        span: Span,
    },
    Unique {
        span: Span,
    },
    Default {
        value: Expr,
        span: Span,
    },
}

Variants

NotNull

Fields

span: Span

PrimaryKey

Fields

span: Span

Unique

Fields

span: Span

Default

Fields

value: Expr

span: Span

Trait Implementations

impl Clone for ColumnConstraint

fn clone(&self) -> ColumnConstraint

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ColumnConstraint

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ColumnConstraint

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ColumnConstraint

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Spanned for ColumnConstraint

fn span(&self) -> Span