Enum ConflictAction 

pub enum ConflictAction {
    Nothing,
    Replace,
    Update {
        columns: Slice,
        query: QueryRef,
    },
}

What happens to a row whose key is already held.

Variants

Nothing

DO NOTHING or OR IGNORE: the row is dropped.

Replace

OR REPLACE: the held row takes the new row’s values in the columns the statement wrote.

Update

DO UPDATE SET, held as SELECT values..., condition FROM table AS alias POSITIONAL JOIN table AS excluded, which the write runs with the held rows on the left and the new rows on the right.

Fields

columns: Slice

The columns that are set, as a run of parts, one for each value.

query: QueryRef

The query that works out the values and whether the row is updated at all.

Trait Implementations

impl Clone for ConflictAction

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for ConflictAction

impl Debug for ConflictAction

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

Formats the value using the given formatter.

impl Eq for ConflictAction

impl PartialEq for ConflictAction

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for ConflictAction