Enum OnDuplicate 

pub enum OnDuplicate {
    First,
    Cartesian,
}

What to do when one probe key matches more than one build record.

Variants

First

Keep only the first build-side match (deterministic given build order).

Cartesian

Emit one enriched record per build-side match (may duplicate the probe record).

Trait Implementations

impl Clone for OnDuplicate

fn clone(&self) -> OnDuplicate

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for OnDuplicate

impl Debug for OnDuplicate

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

Formats the value using the given formatter.

impl Default for OnDuplicate

fn default() -> OnDuplicate

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for OnDuplicate

fn deserialize<__D>( __deserializer: __D, ) -> Result<OnDuplicate, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for OnDuplicate

impl JsonSchema for OnDuplicate

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 OnDuplicate

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for OnDuplicate

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for OnDuplicate