Struct JoinOptimizerConfig 

pub struct JoinOptimizerConfig {
    pub algorithm: JoinAlgorithm,
    pub dp_max_patterns: usize,
    pub default_join_selectivity: f64,
    pub cost_based: bool,
}

Join optimizer configuration

Fields

algorithm: JoinAlgorithm

Optimization algorithm

dp_max_patterns: usize

Maximum patterns for dynamic programming (switch to greedy if exceeded)

default_join_selectivity: f64

Default selectivity for unknown joins

cost_based: bool

Enable cost-based optimization

Trait Implementations

impl Clone for JoinOptimizerConfig

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for JoinOptimizerConfig

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

Formats the value using the given formatter.

impl Default for JoinOptimizerConfig

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for JoinOptimizerConfig

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for JoinOptimizerConfig

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

where __S: Serializer,

Serialize this value into the given Serde serializer.