Struct UniqueConstraint 

pub struct UniqueConstraint {
    pub fields: Vec<String>,
    pub condition: Option<String>,
    pub name: String,
}

A table-level UNIQUE constraint — single or multi-column, optional partial condition.

Fields

fields: Vec<String>

condition: Option<String>

name: String

Implementations

impl UniqueConstraint

pub fn on(fields: &[&str]) -> Self

pub fn condition(self, cond: impl Into<String>) -> Self

Add a WHERE condition (partial unique index).

pub fn name(self, name: impl Into<String>) -> Self

Trait Implementations

impl Clone for UniqueConstraint

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 UniqueConstraint

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

Formats the value using the given formatter.

impl From<UniqueConstraint> for Constraint

fn from(c: UniqueConstraint) -> Self

Converts to this type from the input type.