Struct QueryPlan 

pub struct QueryPlan {
    pub schema_version: u32,
    pub original_query: String,
    pub optimized_query: String,
    pub steps: Vec<ExecutionStep>,
    pub execution_time_ms: u64,
    pub used_index: bool,
    pub cache_status: CacheStatus,
}

Query execution plan with optimization details

Fields

schema_version: u32

Schema version for forward compatibility

original_query: String

Original query string

optimized_query: String

Optimized query (with predicate reordering)

steps: Vec<ExecutionStep>

Execution steps with timing

execution_time_ms: u64

Total execution time in milliseconds

used_index: bool

Whether index was used

cache_status: CacheStatus

Cache hit/miss status

Implementations

impl QueryPlan

pub const SCHEMA_VERSION: u32 = 1

Current schema version

pub fn new( original_query: String, optimized_query: String, steps: Vec<ExecutionStep>, execution_time_ms: u64, used_index: bool, cache_status: CacheStatus, ) -> Self

Create new query plan

Trait Implementations

impl Clone for QueryPlan

fn clone(&self) -> QueryPlan

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QueryPlan

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for QueryPlan

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for QueryPlan

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

where __S: Serializer,

Serialize this value into the given Serde serializer.