Merge pull request #1375 from superhuahua/main

PostgreSQL: subquery in FROM must have an alias

lightrag/kg/postgres_impl.py

@@ -1819,7 +1819,7 @@ SQL_TEMPLATES = {
                 FROM LIGHTRAG_VDB_ENTITY e
                 JOIN relevant_chunks c ON c.chunk_id = ANY(e.chunk_ids)
                 WHERE e.workspace=$1
-            )
+            ) as chunk_distances
             WHERE distance>$2
             ORDER BY distance DESC
             LIMIT $3