grant/revoke v2 optional db and collection params

Signed-off-by: shaoting-huang <[email protected]>

pymilvus/client/check.py

@@ -94,6 +94,10 @@ def is_legal_db_name(db_name: Any) -> bool:
     return isinstance(db_name, str)
 
 
+def is_legal_collection_name(collection_name: Any) -> bool:
+    return isinstance(collection_name, str)
+
+
 def is_legal_field_name(field_name: Any) -> bool:
     return field_name and isinstance(field_name, str)
 
@@ -320,7 +324,7 @@ class ParamChecker(metaclass=Singleton):
     def __init__(self) -> None:
         self.check_dict = {
             "db_name": is_legal_db_name,
-            "collection_name": is_legal_table_name,
+            "collection_name": is_legal_collection_name,
             "alias": is_legal_table_name,
             "field_name": is_legal_field_name,
             "dimension": is_legal_dimension,

pymilvus/orm/role.py

@@ -176,13 +176,13 @@ def revoke(self, object: str, object_name: str, privilege: str, db_name: str = "
             self._name, object, object_name, privilege, db_name
         )
 
-    def grant_v2(self, privilege: str, db_name: str, collection_name: str):
+    def grant_v2(self, privilege: str, db_name: str = "", collection_name: str = ""):
         """Grant a privilege for the role
             :param privilege: privilege name.
             :type  privilege: str
-            :param db_name: db name.
+            :param db_name: db name. Optional
             :type  db_name: str
-            :param collection_name: collection name.
+            :param collection_name: collection name. Optional
             :type  collection_name: str
 
         :example:
@@ -196,13 +196,13 @@ def grant_v2(self, privilege: str, db_name: str, collection_name: str):
             self._name, privilege, db_name, collection_name
         )
 
-    def revoke_v2(self, privilege: str, db_name: str, collection_name: str):
+    def revoke_v2(self, privilege: str, db_name: str = "", collection_name: str = ""):
         """Revoke a privilege for the role
             :param privilege: privilege name.
             :type  privilege: str
-            :param db_name: db name.
+            :param db_name: db name. Optional
             :type  db_name: str
-            :param collection_name: collection name.
+            :param collection_name: collection name. Optional
             :type  collection_name: str
 
         :example: