Enum MutationMode 

pub enum MutationMode {
    Insert,
    Replace,
    Update,
}

MutationMode

Exact row-existence contract selected for one database mutation.

Variants

Insert

Insert only when the target row is absent.

Replace

Replace either an absent or existing target row.

Update

Update only when the target row exists.

Trait Implementations

impl Clone for MutationMode

fn clone(&self) -> MutationMode

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for MutationMode

impl Debug for MutationMode

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

Formats the value using the given formatter.

impl Eq for MutationMode

impl PartialEq for MutationMode

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for MutationMode