Enum MissingPolicy 

pub enum MissingPolicy {
    CompleteCase,
    ErrorOnMissing,
}

How missing values (validity bits) affect row selection.

Variants

CompleteCase

Drop any row where a requested column is invalid.

ErrorOnMissing

Fail if any requested column has an invalid value in a candidate row.

Trait Implementations

impl Clone for MissingPolicy

fn clone(&self) -> MissingPolicy

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for MissingPolicy

impl Debug for MissingPolicy

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

Formats the value using the given formatter.

impl Default for MissingPolicy

fn default() -> MissingPolicy

Returns the “default value” for a type.

impl Eq for MissingPolicy

impl Hash for MissingPolicy

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for MissingPolicy

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for MissingPolicy