Enum ActiveValue 

pub enum ActiveValue {
    Set(SqlValue),
    Unchanged(SqlValue),
    NotSet,
}

One column’s write state.

Variants

Set(SqlValue)

Written by the next insert or update.

Unchanged(SqlValue)

Loaded from the database and not written by an update.

NotSet

Omitted, so the database default applies on insert.

Implementations

impl ActiveValue

pub const fn is_set(&self) -> bool

pub const fn is_not_set(&self) -> bool

pub const fn value(&self) -> Option<&SqlValue>

The staged or loaded value.

pub fn into_value(self) -> Option<SqlValue>

Trait Implementations

impl Clone for ActiveValue

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 ActiveValue

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

Formats the value using the given formatter.

impl PartialEq for ActiveValue

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for ActiveValue