Enum TableConstraint 

pub enum TableConstraint {
    PrimaryKey(Vec<Ident>),
    Unique(Vec<Ident>),
    Check(Expr),
    ForeignKey(ForeignKey),
}

The table-level constraints.

Variants

PrimaryKey(Vec<Ident>)

A composite PRIMARY KEY (a, b).

Unique(Vec<Ident>)

A composite UNIQUE (a, b).

Check(Expr)

A CHECK (expr) constraint.

ForeignKey(ForeignKey)

A foreign key.

Trait Implementations

impl Clone for TableConstraint

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TableConstraint

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

Formats the value using the given formatter.

impl PartialEq for TableConstraint

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for TableConstraint