fn jsonb_datum_to_acl_mode(d: Datum<'_>) -> Result<AclMode, String>Expand description
Decodes a JSONB object of shape {"bitflags": <u64>} into an AclMode.
Shared decoder for parse_catalog_privileges (which embeds the object as
the acl_mode field of each privilege) and parse_catalog_acl_mode (which
receives the object at the top level).