Fix data format convert problem for PostgreSQL graph storage

2025-04-04 04:45:59 +08:00 · 2025-04-04 04:45:59 +08:00 · 11d7ef4a87
commit 11d7ef4a87
parent 9c81963908
1 changed files with 8 additions and 5 deletions
--- a/lightrag/kg/postgres_impl.py
+++ b/lightrag/kg/postgres_impl.py
@ -1100,11 +1100,14 @@ class PGGraphStorage(BaseGraphStorage):
                    elif dtype == "edge":
                        d[k] = json.loads(v)
            else:
-                d[k] = (
-                    json.loads(v)
-                    if isinstance(v, str) and ("{" in v or "[" in v)
-                    else v
-                )
+                try:
+                    d[k] = (
+                        json.loads(v)
+                        if isinstance(v, str) and (v.startswith("{") or v.startswith("["))
+                        else v
+                    )
+                except json.JSONDecodeError:
+                    d[k] = v

        return d