Enum RecallFtsSelectionRule 

pub enum RecallFtsSelectionRule {
    Original,
    LowestDf,
    HighestIdf,
}

Term selection rule for FTS candidate gather.

Variants

Original

Keep query terms in original order (current behavior).

LowestDf

Pick K terms with the lowest document frequency (most selective).

HighestIdf

Pick K terms with the highest IDF (same as lowest DF with Robertson-Walker formula).

Trait Implementations

impl Clone for RecallFtsSelectionRule

fn clone(&self) -> RecallFtsSelectionRule

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for RecallFtsSelectionRule

impl Debug for RecallFtsSelectionRule

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

Formats the value using the given formatter.

impl Default for RecallFtsSelectionRule

fn default() -> RecallFtsSelectionRule

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for RecallFtsSelectionRule

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for RecallFtsSelectionRule

impl PartialEq for RecallFtsSelectionRule

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for RecallFtsSelectionRule

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 RecallFtsSelectionRule