| 381 | } |
| 382 | |
| 383 | fn del_kg_node(&mut self, id: &str) -> PristineResult<bool> { |
| 384 | // First delete all edges for this node |
| 385 | self.del_kg_edges_for_node(id)?; |
| 386 | |
| 387 | // Remove indexed ID/label/summary tokens before the node ID can be |
| 388 | // reused. Otherwise old metadata can reappear in search results. |
| 389 | self.remove_kg_fts_entries(id)?; |
| 390 | |
| 391 | // Delete the node |
| 392 | let mut table = match self.txn.open_table(KG_NODES) { |
| 393 | Ok(t) => t, |
| 394 | Err(redb::TableError::TableDoesNotExist(_)) => return Ok(false), |
| 395 | Err(e) => return Err(PristineError::from(e)), |
| 396 | }; |
| 397 | |
| 398 | let result = table.remove(id)?.is_some(); |
| 399 | drop(table); |
| 400 | Ok(result) |
| 401 | } |
| 402 | |
| 403 | fn del_kg_edge(&mut self, from_id: &str, to_id: &str, kind: &str) -> PristineResult<bool> { |
| 404 | let edge_key = encode_edge_key(from_id, to_id, kind); |