Struct transform::nonnullable::NonNullable [−][src]
pub struct NonNullable;
Expand description
Harvests information about non-nullability of columns from sources.
Implementations
Harvests information about non-nullability of columns from sources.
Trait Implementations
fn transform(
&self,
relation: &mut MirRelationExpr,
_: TransformArgs<'_>
) -> Result<(), TransformError>
fn transform(
&self,
relation: &mut MirRelationExpr,
_: TransformArgs<'_>
) -> Result<(), TransformError>
Transform a relation into a functionally equivalent relation.
Auto Trait Implementations
impl RefUnwindSafe for NonNullable
impl Send for NonNullable
impl Sync for NonNullable
impl Unpin for NonNullable
impl UnwindSafe for NonNullable
Blanket Implementations
Mutably borrows from an owned value. Read more
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