Struct Constraint 

pub struct Constraint {
    pub name: String,
    pub constraint_type: ConstraintType,
    pub columns: Vec<String>,
    pub ref_table: Option<String>,
    pub ref_columns: Option<Vec<String>>,
}

Constraint definition.

Fields

name: String

constraint_type: ConstraintType

columns: Vec<String>

ref_table: Option<String>

ref_columns: Option<Vec<String>>

Implementations

impl Constraint

pub fn new(name: impl Into<String>, constraint_type: ConstraintType) -> Self

pub fn on_columns(self, columns: Vec<String>) -> Self

pub fn references(self, table: String, columns: Vec<String>) -> Self

Trait Implementations

impl Clone for Constraint

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 Constraint

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

Formats the value using the given formatter.

impl Eq for Constraint

impl PartialEq for Constraint

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Constraint