AlterQuery  sales (children 2)
 ExpressionList (children 1)
  AlterCommand ADD_PROJECTION (children 1)
   Projection (children 1)
    ProjectionSelectQuery (children 2)
     ExpressionList (children 1)
      Function toInt64 (children 1)
       ExpressionList (children 1)
        Function COUNT (children 1)
         ExpressionList (children 1)
          Asterisk
     ExpressionList (children 2)
      Identifier PRODUCT_ID
      Identifier DATE_SOLD
 Identifier sales
