Enum sql::query_model::model::graph::QuantifierType [−][src]
pub(crate) enum QuantifierType {
All,
Existential,
Foreach,
PreservedForeach,
Scalar,
}
Variants
All
An ALL subquery.
Existential
An existential subquery (IN SELECT/EXISTS/ANY).
Foreach
A regular join operand where each row from its input box must be consumed by the parent box operator.
PreservedForeach
The preserving side of an outer join. Only valid in OuterJoin boxes.
Scalar
A scalar subquery that produces one row at most.
Implementations
Trait Implementations
Auto Trait Implementations
impl RefUnwindSafe for QuantifierType
impl Send for QuantifierType
impl Sync for QuantifierType
impl Unpin for QuantifierType
impl UnwindSafe for QuantifierType
Blanket Implementations
Mutably borrows from an owned value. Read more
Formats an object with the “alternative” format ({:#}
) and returns it.
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