Enum ReturningStyle 

pub enum ReturningStyle {
    Suffix,
    OutputClause,
    SeparateQuery(&'static str),
}

How a database hands back the key it generated for an inserted row.

Variants

Suffix

insert into … values (…) returning "id" — PostgreSQL.

OutputClause

insert into … (…) output inserted.[id] values (…) — SQL Server puts it between the column list and values, so it cannot be appended.

SeparateQuery(&'static str)

Not supported: the key is read with a second statement. MySQL.

Trait Implementations

impl Clone for ReturningStyle

fn clone(&self) -> ReturningStyle

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ReturningStyle

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

Formats the value using the given formatter.

impl PartialEq for ReturningStyle

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for ReturningStyle