Enum QueryOperation 

pub enum QueryOperation {
    Rows,
    Count,
    Exists,
}

The closed operation vocabulary of the first public revision.

Variants

Rows

Stream the projected rows.

Count

Count the projected rows.

Exists

Report whether at least one row exists.

Trait Implementations

impl Clone for QueryOperation

fn clone(&self) -> QueryOperation

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for QueryOperation

impl Debug for QueryOperation

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

Formats the value using the given formatter.

impl Eq for QueryOperation

impl PartialEq for QueryOperation

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for QueryOperation

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for QueryOperation