pub struct CompiledPlan {
pub plan: QueryPlan,
pub referenced_collections: Vec<String>,
pub compiled_at: Instant,
pub reuse_count: AtomicU64,
}Expand description
A compiled (cached) query execution plan.
Stored behind Arc in the cache; the cache value type is
Arc<CompiledPlan> so Clone is not required on this struct.
Fields§
§plan: QueryPlanThe query plan produced by the planner.
referenced_collections: Vec<String>Collections referenced by this plan (for invalidation checks).
Currently stale-key detection in build_plan_key handles invalidation:
when a collection’s write_generation changes the key no longer matches
anything in the cache so a fresh plan is compiled on the next call.
Future work (CACHE-01): use referenced_collections for targeted
invalidation — evict only plans that touch a mutated collection rather
than relying on stale-key detection. This requires an inverted index
from collection name to PlanKey and would reduce spurious misses in
multi-collection workloads.
compiled_at: InstantWhen this plan was compiled.
reuse_count: AtomicU64How many times this cached plan has been reused.
Trait Implementations§
Auto Trait Implementations§
impl !Freeze for CompiledPlan
impl RefUnwindSafe for CompiledPlan
impl Send for CompiledPlan
impl Sync for CompiledPlan
impl Unpin for CompiledPlan
impl UnsafeUnpin for CompiledPlan
impl UnwindSafe for CompiledPlan
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