Method remove_edge

graphlite/src/storage/graph_cache.rs:319–342

Remove an edge

(&mut self, edge_id: &str)

    /// Remove an edge
    pub fn remove_edge(&mut self, edge_id: &str) -> Result<Edge, GraphError> {
        let edge = self
            .edges
            .remove(edge_id)
            .ok_or_else(|| GraphError::EdgeNotFound(edge_id.to_string()))?;

        // Remove from label index
        if let Some(edges) = self.edge_labels.get_mut(&edge.label) {
            edges.retain(|id| id != edge_id);
            if edges.is_empty() {
                self.edge_labels.remove(&edge.label);
            }
        }

        // Remove from adjacency lists
        if let Some(outgoing) = self.adjacency_out.get_mut(&edge.from_node) {
            outgoing.retain(|id| id != edge_id);
        }
        if let Some(incoming) = self.adjacency_in.get_mut(&edge.to_node) {
            incoming.retain(|id| id != edge_id);
        }

        Ok(edge)
    }

    /// Get graph statistics
    pub fn stats(&self) -> GraphStats {