SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Function blockSize (alias bs) (children 1)
     ExpressionList
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (alias js1) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 1)
          ExpressionList (children 1)
           Literal UInt64_1 (alias s)
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      Subquery (alias js2) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 1)
          ExpressionList (children 1)
           Function arrayJoin (alias s) (children 1)
            ExpressionList (children 1)
             Literal Array_[UInt64_2, UInt64_2, UInt64_2, UInt64_2, UInt64_2, UInt64_2, UInt64_2, UInt64_3, UInt64_3, UInt64_3, UInt64_3, UInt64_3, UInt64_3, UInt64_3]
     TableJoin (children 1)
      ExpressionList (children 1)
       Identifier s
   ExpressionList (children 1)
    Identifier bs
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier bs
