Enum ForeignKeyLocation 

pub enum ForeignKeyLocation {
    Column(usize),
    Table(usize),
}

Where a relation declares a foreign key.

Variants

Column(usize)

Table(usize)

Implementations

impl ForeignKeyLocation

pub const fn constraint(self) -> ConstraintLocation

pub fn derived<'a>( self, columns: &'a [ColumnDef], constraints: &'a TableConstraintSet, ) -> Option<(&'a str, &'a [ReferencedPartitionConstraint])>

The name and derived constraints of the foreign key at this location.

pub fn derived_mut<'a>( self, columns: &'a mut [ColumnDef], constraints: &'a mut TableConstraintSet, ) -> Option<&'a mut Vec<ReferencedPartitionConstraint>>

The derived constraints of the foreign key at this location, for an edit.

Trait Implementations

impl Clone for ForeignKeyLocation

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for ForeignKeyLocation

impl Debug for ForeignKeyLocation

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

Formats the value using the given formatter.

impl Eq for ForeignKeyLocation

impl PartialEq for ForeignKeyLocation

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for ForeignKeyLocation