/*
Returns all required privileges.
*/
func (this *Update) Privileges() (datastore.Privileges, errors.Error) {
privs := datastore.NewPrivileges()
privs[this.keyspace.Namespace()+":"+this.keyspace.Keyspace()] = datastore.PRIV_WRITE
subprivs, err := subqueryPrivileges(this.Expressions())
if err != nil {
return nil, err
}
privs.Add(subprivs)
return privs, nil
}
/*
Returns all required privileges.
*/
func subqueryPrivileges(exprs expression.Expressions) (datastore.Privileges, errors.Error) {
subqueries, err := expression.ListSubqueries(exprs, false)
if err != nil {
return nil, errors.NewError(err, "")
}
privileges := datastore.NewPrivileges()
for _, s := range subqueries {
sub := s.(*Subquery)
sp, e := sub.Select().Privileges()
if e != nil {
return nil, e
}
privileges.Add(sp)
}
return privileges, nil
}
/*
Returns all required privileges.
*/
func (this *Subselect) Privileges() (datastore.Privileges, errors.Error) {
privs := datastore.NewPrivileges()
if this.from != nil {
fprivs, err := this.from.Privileges()
if err != nil {
return nil, err
}
privs.Add(fprivs)
}
exprs := make(expression.Expressions, 0, 16)
if this.let != nil {
exprs = append(exprs, this.let.Expressions()...)
}
if this.where != nil {
exprs = append(exprs, this.where)
}
if this.group != nil {
exprs = append(exprs, this.group.Expressions()...)
}
exprs = append(exprs, this.projection.Expressions()...)
subprivs, err := subqueryPrivileges(exprs)
if err != nil {
return nil, err
}
privs.Add(subprivs)
return privs, nil
}
/*
Returns all required privileges.
*/
func (this *KeyspaceTerm) Privileges() (datastore.Privileges, errors.Error) {
privs := datastore.NewPrivileges()
privs[this.namespace+":"+this.keyspace] = datastore.PRIV_READ
return privs, nil
}