Method with_entity

graphlite/src/exec/result.rs:255–270

Track the source entity for a variable This enables identity-based comparison in set operations

(&mut self, var_name: &str, value: &Value)

    /// Track the source entity for a variable
    /// This enables identity-based comparison in set operations
    pub fn with_entity(&mut self, var_name: &str, value: &Value) {
        match value {
            Value::Node(node) => {
                self.source_entities
                    .insert(var_name.to_string(), EntityId::Node(node.id.clone()));
            }
            Value::Edge(edge) => {
                self.source_entities
                    .insert(var_name.to_string(), EntityId::Edge(edge.id.clone()));
            }
            _ => {
                // Properties and computed values don't have entity IDs
                // We might track their source entity in the future
            }
        }
    }

    /// Get the primary entity ID for this row (if any)
    /// Used for simple identity comparisons