Enum FusionStrategy 

pub enum FusionStrategy {
    Average,
    Maximum,
    Rrf {
        k: u32,
    },
    Weighted {
        avg_weight: f32,
        max_weight: f32,
        hit_weight: f32,
    },
}

Fusion strategy for combining results from multiple vector searches.

Variants

Average

Average scores across all queries.

Maximum

Take the maximum score for each document.

Rrf

Reciprocal Rank Fusion with configurable k parameter.

Fields

k: u32

RRF k parameter (default: 60). Lower k emphasizes top ranks more.

Weighted

Weighted combination of average, maximum, and hit ratio.

Fields

avg_weight: f32

Weight for average score (0.0-1.0).

max_weight: f32

Weight for maximum score (0.0-1.0).

hit_weight: f32

Weight for hit ratio (0.0-1.0).

Trait Implementations

impl Clone for FusionStrategy

fn clone(&self) -> FusionStrategy

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<UT> ConvertError<UT> for FusionStrategy

fn try_convert_unexpected_callback_error( e: UnexpectedUniFFICallbackError, ) -> Result<Self>

impl Debug for FusionStrategy

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

Formats the value using the given formatter.

impl Default for FusionStrategy

fn default() -> Self

Returns the “default value” for a type.

impl<UT> FfiConverter<UT> for FusionStrategy

const TYPE_ID_META: MetadataBuffer

Type ID metadata, serialized into a MetadataBuffer.

type FfiType = RustBuffer

The low-level type used for passing values of this type over the FFI.

fn lower(v: Self) -> RustBuffer

Lower a rust value of the target type, into an FFI value of type Self::FfiType.

fn try_lift(buf: RustBuffer) -> Result<Self>

Lift a rust value of the target type, from an FFI value of type Self::FfiType.

fn write(obj: Self, buf: &mut Vec<u8>)

Write a rust value into a buffer, to send over the FFI in serialized form.

fn try_read(buf: &mut &[u8]) -> Result<Self>

Read a rust value from a buffer, received over the FFI in serialized form.

impl From<FusionStrategy> for FusionStrategy

fn from(strategy: FusionStrategy) -> Self

Converts to this type from the input type.

impl<UT> Lift<UT> for FusionStrategy

type FfiType = <FusionStrategy as FfiConverter<UT>>::FfiType

fn try_lift(v: Self::FfiType) -> Result<Self>

fn try_read(buf: &mut &[u8]) -> Result<Self>

fn try_lift_from_rust_buffer(v: RustBuffer) -> Result<Self, Error>

Convenience method

impl<UT> LiftRef<UT> for FusionStrategy

type LiftType = FusionStrategy

impl<UT> LiftReturn<UT> for FusionStrategy

type ReturnType = <FusionStrategy as Lift<UT>>::FfiType

FFI return type for trait interfaces

fn try_lift_successful_return(v: Self::ReturnType) -> Result<Self>

Lift a successfully returned value from a trait interface

fn lift_foreign_return( ffi_return: Self::ReturnType, call_status: RustCallStatus, ) -> Self

Lift a foreign returned value from a trait interface

fn lift_error(_buf: RustBuffer) -> Self

Lift a Rust value for a callback interface method error result

fn handle_callback_unexpected_error(e: UnexpectedUniFFICallbackError) -> Self

Lift a Rust value for an unexpected callback interface error

impl<UT> Lower<UT> for FusionStrategy

type FfiType = <FusionStrategy as FfiConverter<UT>>::FfiType

fn lower(obj: Self) -> Self::FfiType

fn write(obj: Self, buf: &mut Vec<u8>)

fn lower_into_rust_buffer(obj: Self) -> RustBuffer

Convenience method

impl<UT> LowerError<UT> for FusionStrategy

fn lower_error(obj: Self) -> RustBuffer

Lower this value for scaffolding function return

impl<UT> LowerReturn<UT> for FusionStrategy

type ReturnType = <FusionStrategy as Lower<UT>>::FfiType

The type that should be returned by scaffolding functions for this type.

fn lower_return(v: Self) -> Result<Self::ReturnType, RustCallError>

Lower the return value from an scaffolding call

fn handle_failed_lift( error: LiftArgsError, ) -> Result<Self::ReturnType, RustCallError>

Lower the return value for failed argument lifts

impl<UT> TypeId<UT> for FusionStrategy

const TYPE_ID_META: MetadataBuffer