Struct CostModelConfig 

pub struct CostModelConfig {
    pub scan: f64,
    pub filter: f64,
    pub projection: f64,
    pub join: f64,
    pub sort: f64,
    pub aggregate: f64,
    pub limit: f64,
    pub derived: f64,
    pub dml: f64,
    pub join_hash_multiplier: f64,
    pub join_nested_multiplier: f64,
    pub max_cost: f64,
}

Fields

scan: f64

filter: f64

projection: f64

join: f64

sort: f64

aggregate: f64

limit: f64

derived: f64

dml: f64

join_hash_multiplier: f64

join_nested_multiplier: f64

max_cost: f64

Implementations

impl CostModelConfig

pub const PARAM_SCAN: &'static str = "optimizer.cost.scan"

pub const PARAM_FILTER: &'static str = "optimizer.cost.filter"

pub const PARAM_PROJECTION: &'static str = "optimizer.cost.projection"

pub const PARAM_JOIN: &'static str = "optimizer.cost.join"

pub const PARAM_SORT: &'static str = "optimizer.cost.sort"

pub const PARAM_AGGREGATE: &'static str = "optimizer.cost.aggregate"

pub const PARAM_LIMIT: &'static str = "optimizer.cost.limit"

pub const PARAM_DERIVED: &'static str = "optimizer.cost.derived"

pub const PARAM_DML: &'static str = "optimizer.cost.dml"

pub const PARAM_JOIN_HASH_MULTIPLIER: &'static str = "optimizer.cost.join_hash_multiplier"

pub const PARAM_JOIN_NESTED_MULTIPLIER: &'static str = "optimizer.cost.join_nested_multiplier"

pub const PARAM_MAX_COST: &'static str = "optimizer.cost.max_cost"

pub fn load_from_path(path: impl AsRef<Path>) -> ChrysoResult<Self>

pub fn validate(&self) -> ChrysoResult<()>

pub fn apply_system_params( &self, registry: &SystemParamRegistry, tenant: Option<&str>, ) -> Self

Trait Implementations

impl Clone for CostModelConfig

fn clone(&self) -> CostModelConfig

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CostModelConfig

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

Formats the value using the given formatter.

impl Default for CostModelConfig

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for CostModelConfig

where CostModelConfig: Default,

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for CostModelConfig

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

where __S: Serializer,

Serialize this value into the given Serde serializer.