SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function greater (children 1)
     ExpressionList (children 2)
      Function uniq (children 1)
       ExpressionList (children 1)
        Identifier x
      Literal UInt64_50
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 3)
          ExpressionList (children 2)
           Identifier number
           Function groupArraySample (alias x) (children 2)
            ExpressionList (children 1)
             Function arrayJoin (children 1)
              ExpressionList (children 1)
               Function range (children 1)
                ExpressionList (children 1)
                 Literal UInt64_1000
            ExpressionList (children 1)
             Literal UInt64_10
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function numbers (children 1)
              ExpressionList (children 1)
               Literal UInt64_100
          ExpressionList (children 1)
           Identifier number
