Enum ConstraintViolationType 

pub enum ConstraintViolationType {
    Unique,
    ForeignKey,
    NotFound,
    Other(String),
}

The type of constraint violation that caused the error

This is the type of constraint on the database’s definition that is violated. For example, if an operation tries to insert an entry that would cause a duplicate in a unique column, the ConstraintViolationType::Unique should be used.

Variants

Unique

ForeignKey

NotFound

Other(String)

Trait Implementations

impl Debug for ConstraintViolationType

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

Formats the value using the given formatter.

impl Display for ConstraintViolationType

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

Formats the value using the given formatter.

impl PartialEq for ConstraintViolationType

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for ConstraintViolationType

impl StructuralPartialEq for ConstraintViolationType