Method remove_node

graphlite/src/storage/graph_cache.rs:281–316

Remove a node and all its connected edges

(&mut self, node_id: &str)

    /// Remove a node and all its connected edges
    pub fn remove_node(&mut self, node_id: &str) -> Result<Node, GraphError> {
        let node = self
            .nodes
            .remove(node_id)
            .ok_or_else(|| GraphError::NodeNotFound(node_id.to_string()))?;

        // Remove from label indices
        for label in &node.labels {
            if let Some(nodes) = self.node_labels.get_mut(label) {
                nodes.retain(|id| id != node_id);
                if nodes.is_empty() {
                    self.node_labels.remove(label);
                }
            }
        }

        // Collect all connected edges to remove
        let mut edges_to_remove = Vec::new();
        if let Some(outgoing) = self.adjacency_out.get(node_id) {
            edges_to_remove.extend(outgoing.clone());
        }
        if let Some(incoming) = self.adjacency_in.get(node_id) {
            edges_to_remove.extend(incoming.clone());
        }

        // Remove all connected edges
        for edge_id in edges_to_remove {
            let _ = self.remove_edge(&edge_id);
        }

        // Remove adjacency lists
        self.adjacency_out.remove(node_id);
        self.adjacency_in.remove(node_id);

        Ok(node)
    }

    /// Remove an edge
    pub fn remove_edge(&mut self, edge_id: &str) -> Result<Edge, GraphError> {