Enum LookupOnMissing 

pub enum LookupOnMissing {
    Null,
    Keep,
    Error,
}

Available on crate feature transform-lookup only.

Behaviour when a RecordTransform::Lookup finds no matching reference row.

Variants

Null

Write each add output column as JSON null (default).

Keep

Leave the record unchanged (add no columns).

Error

Fail the batch with a FaucetError::Transform.

Trait Implementations

impl Clone for LookupOnMissing

fn clone(&self) -> LookupOnMissing

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for LookupOnMissing

impl Debug for LookupOnMissing

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

Formats the value using the given formatter.

impl Default for LookupOnMissing

fn default() -> LookupOnMissing

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for LookupOnMissing

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for LookupOnMissing

impl JsonSchema for LookupOnMissing

fn schema_name() -> Cow<'static, str>

The name of the generated JSON Schema.

fn schema_id() -> Cow<'static, str>

Returns a string that uniquely identifies the schema produced by this type.

fn json_schema(generator: &mut SchemaGenerator) -> Schema

Generates a JSON Schema for this type.

fn inline_schema() -> bool

Whether JSON Schemas generated for this type should be included directly in parent schemas, rather than being re-used where possible using the $ref keyword.

impl PartialEq for LookupOnMissing

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for LookupOnMissing

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 LookupOnMissing