Resolve graph for execution based on precedence rules
(
&self,
request: &ExecutionRequest,
)
| 240 | |
| 241 | /// Resolve graph for execution based on precedence rules |
| 242 | fn resolve_graph_for_execution( |
| 243 | &self, |
| 244 | request: &ExecutionRequest, |
| 245 | ) -> Result<Arc<GraphCache>, ExecutionError> { |
| 246 | // Priority 1: Explicit graph expression in query |
| 247 | if let Some(graph_expr) = &request.graph_expr { |
| 248 | return self.resolve_graph_expression(Some(graph_expr)); |
| 249 | } |
| 250 | |
| 251 | // Priority 2: Session's current graph |
| 252 | if let Some(session_lock) = &request.session { |
| 253 | if let Ok(session) = session_lock.read() { |
| 254 | if let Some(current_graph_path) = &session.current_graph { |
| 255 | match self.storage.get_graph(current_graph_path)? { |
| 256 | Some(graph) => return Ok(Arc::new(graph)), |
| 257 | None => { |
| 258 | return Err(ExecutionError::RuntimeError(format!( |
| 259 | "Session graph '{}' not found", |
| 260 | current_graph_path |
| 261 | ))) |
| 262 | } |
| 263 | } |
| 264 | } |
| 265 | } |
| 266 | } |
| 267 | |
| 268 | // No graph available |
| 269 | Err(ExecutionError::RuntimeError( |
| 270 | "No graph context available. Use SESSION SET GRAPH or specify FROM clause.".to_string(), |
| 271 | )) |
| 272 | } |
| 273 | |
| 274 | /// Create execution context from user session |
| 275 | fn create_execution_context_from_session( |
no test coverage detected