Enum sql::query_model::model::graph::DistinctOperation [−][src]
pub enum DistinctOperation {
Enforce,
Guaranteed,
Preserve,
}
Expand description
Enum that describes the DISTINCT property of a QueryBox
.
Variants
Enforce
Distinctness of the output of the box must be enforced by the box.
Guaranteed
Distinctness of the output of the box is required, but guaranteed by the structure of the box.
Preserve
Distinctness of the output of the box is not required.
Trait Implementations
Auto Trait Implementations
impl RefUnwindSafe for DistinctOperation
impl Send for DistinctOperation
impl Sync for DistinctOperation
impl Unpin for DistinctOperation
impl UnwindSafe for DistinctOperation
Blanket Implementations
Mutably borrows from an owned value. Read more
Compare self to key
and return true
if they are equal.
Attaches the provided Subscriber
to this type, returning a
WithDispatch
wrapper. Read more
Attaches the current default Subscriber
to this type, returning a
WithDispatch
wrapper. Read more