AlterQuery  x (children 2)
 ExpressionList (children 2)
  AlterCommand ADD_INDEX (children 1)
   Index (children 2)
    Function LOG2 (children 1)
     ExpressionList (children 1)
      Identifier i
    Function minmax (children 1)
     ExpressionList
  AlterCommand ADD_PROJECTION (children 1)
   Projection (children 1)
    ProjectionSelectQuery (children 1)
     ExpressionList (children 1)
      Function MIN (children 1)
       ExpressionList (children 1)
        Identifier i
 Identifier x
