Struct QueryConfig 

pub struct QueryConfig {
    pub max_execution_time: Duration,
    pub max_result_rows: u64,
    pub plan_cache_size: usize,
    pub enable_optimization: bool,
    pub parallel: ParallelQueryConfig,
    pub query_cache_size: Option<usize>,
    pub query_parallelism: Option<usize>,
    pub analyze_iterations: Option<usize>,
}

Query engine configuration

Fields

max_execution_time: Duration

Maximum query execution time

max_result_rows: u64

Maximum number of rows to return in a result set

plan_cache_size: usize

Query plan cache size

enable_optimization: bool

Enable query optimization

parallel: ParallelQueryConfig

Parallel query execution configuration

query_cache_size: Option<usize>

Query cache size (for plan caching)

query_parallelism: Option<usize>

Query parallelism thread count

analyze_iterations: Option<usize>

Number of iterations for query analysis

Trait Implementations

impl Clone for QueryConfig

fn clone(&self) -> QueryConfig

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QueryConfig

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

Formats the value using the given formatter.

impl Default for QueryConfig

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for QueryConfig

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for QueryConfig

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

where __S: Serializer,

Serialize this value into the given Serde serializer.