Method insert

nodedb/src/control/gateway/plan_cache.rs:158–166

Insert a plan. On capacity overflow, the oldest entry is evicted.

(&self, key: PlanCacheKey, plan: std::sync::Arc<PhysicalPlan>)

    /// Insert a plan. On capacity overflow, the oldest entry is evicted.
    pub fn insert(&self, key: PlanCacheKey, plan: std::sync::Arc<PhysicalPlan>) {
        let mut inner = self.inner.lock().unwrap_or_else(|p| p.into_inner());
        // Remove any existing entry with the same key first.
        inner.entries.retain(|e| e.key != key);
        if inner.entries.len() >= inner.capacity {
            inner.entries.pop_front();
        }
        inner.entries.push_back(CacheEntry { key, plan });
    }

    /// Evict all plan entries whose `version_set` references `name` at any
    /// version other than `new_version`. Also removes the corresponding