public GrantedTabPrivilege( string grantee, string rootGrantee, string owner, string table_name, string grantor, bool grantable, ETabPrivilege privilege) : base(rootGrantee) { this.grantee = grantee; this.owner = owner; this.table_name = table_name; this.grantor = grantor; this.grantable = grantable; this.privilege = privilege; }