Enum OverflowStrategy 

pub enum OverflowStrategy {
    TopK,
    BottomK,
    Sample,
    Fail,
}

Strategy for handling high-cardinality grouping columns.

Variants

TopK

Keep only the top-K groups by metric value.

BottomK

Keep only the bottom-K groups by metric value.

Sample

Sample randomly from groups.

Fail

Fail if limit is exceeded.

Trait Implementations

impl Clone for OverflowStrategy

fn clone(&self) -> OverflowStrategy

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for OverflowStrategy

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for OverflowStrategy

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for OverflowStrategy

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Copy for OverflowStrategy