Enum SchemaReport 

#[non_exhaustive]
pub enum SchemaReport {
    Undeclared,
    Reported,
    Schemaless,
    DropsUnknownFields,
}

How a sink treats a record field its destination has no column for — the fact the schema-drift policy needs to decide whether it can act (#883).

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Undeclared

The sink has not declared it.

Reported

Sink::current_schema reports the live destination schema, so the drift pass sees every column change.

Schemaless

The sink reports no schema and writes every field it is given.

DropsUnknownFields

The sink reports no schema and silently drops fields its destination schema lacks. A drift policy is blind against it, so on_drift: fail is refused at load time rather than silently inert.

Implementations

impl SchemaReport

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

Wire name, for messages and docs.

Trait Implementations

impl Clone for SchemaReport

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 SchemaReport

impl Debug for SchemaReport

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

Formats the value using the given formatter.

impl Default for SchemaReport

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for SchemaReport

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for SchemaReport

impl Hash for SchemaReport

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 SchemaReport

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for SchemaReport

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for SchemaReport