pub enum Plan<T = Timestamp> {
    Constant(Result<Vec<(Row, T, Diff)>, EvalError>),
    PeekExisting(GlobalIdOption<Row>, SafeMfpPlan),
    PeekDataflow(PeekDataflowPlan<T>),
}
Expand description

Possible ways in which the coordinator could produce the result for a goal view.

Variants

Constant(Result<Vec<(Row, T, Diff)>, EvalError>)

The view evaluates to a constant result that can be returned.

PeekExisting(GlobalIdOption<Row>, SafeMfpPlan)

The view can be read out of an existing arrangement.

PeekDataflow(PeekDataflowPlan<T>)

The view must be installed as a dataflow and then read.

Trait Implementations

Formats the value using the given formatter. Read more

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Attaches the provided Context to this type, returning a WithContext wrapper. Read more

Attaches the current Context to this type, returning a WithContext wrapper. Read more

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Wrap the input message T in a tonic::Request

Should always be Self

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.

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