Merge branch 'main' into b331971774-clean-up-tables

bigframes/exceptions.py

@@ -23,3 +23,7 @@ class UnknownLocationWarning(Warning):
 
 class CleanupFailedWarning(Warning):
     """Bigframes failed to clean up a table resource."""
+
+
+class NoDefaultIndexError(ValueError):
+    """Unable to create a default index."""