Update tank api and test

api/s3_reservoirs.py

@@ -20,7 +20,7 @@ def get_reservoir_schema(name: str) -> dict[str, dict[str, Any]]:
 
 
 def _query_reservoir(name: str, id: str) -> Row | None:
-    return read(name, f"select id, head, pattern from reservoirs where id = '{id}'")
+    return read(name, f"select * from reservoirs where id = '{id}'")
 
 
 def add_reservoir(name: str, id: str, x: float, y: float, head: float) -> ChangeSet:
@@ -57,6 +57,9 @@ def get_reservoir(name: str, id: str) -> dict[str, Any] | None:
 def set_reservoir(name: str, id: str, properties: dict[str, Any]) -> ChangeSet:
     if not is_reservoir(name, id):
         return ChangeSet()
+    if 'pattern' in properties:
+        if not is_pattern(properties['pattern']):
+            return ChangeSet()
 
     old = Serialize(get_reservoir(name, id), schema).to_storage()