Enum SchemaMappingDisposition 

pub enum SchemaMappingDisposition {
    DirectByName,
    MissingNullableColumns,
    Rejected,
}

Disposition of logical-to-source column mapping.

Variants

DirectByName

Logical columns map directly by name to file or partition columns.

MissingNullableColumns

Nullable logical columns absent from the physical file are represented as typed null columns.

Rejected

Required column mapping could not be represented.

Implementations

impl SchemaMappingDisposition

pub const fn as_str(self) -> &'static str

Stable lower-case code used by reports.

Trait Implementations

impl Clone for SchemaMappingDisposition

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for SchemaMappingDisposition

impl Debug for SchemaMappingDisposition

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

Formats the value using the given formatter.

impl Eq for SchemaMappingDisposition

impl Hash for SchemaMappingDisposition

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 SchemaMappingDisposition

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for SchemaMappingDisposition