SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Function greaterOrEquals (children 1)
     ExpressionList (children 2)
      Function count (children 1)
       ExpressionList
      Literal UInt64_20
    Function lessOrEquals (children 1)
     ExpressionList (children 2)
      Function count (children 1)
       ExpressionList
      Literal UInt64_22
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 2)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Identifier x
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Subquery (children 1)
              SelectWithUnionQuery (children 1)
               ExpressionList (children 1)
                SelectQuery (children 3)
                 ExpressionList (children 1)
                  Identifier zero (alias x)
                 TablesInSelectQuery (children 1)
                  TablesInSelectQueryElement (children 1)
                   TableExpression (children 1)
                    TableIdentifier system.zeros
                 Set
         SelectQuery (children 2)
          ExpressionList (children 1)
           Identifier x
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Subquery (children 1)
              SelectWithUnionQuery (children 1)
               ExpressionList (children 1)
                SelectQuery (children 3)
                 ExpressionList (children 1)
                  Function plus (alias x) (children 1)
                   ExpressionList (children 2)
                    Identifier zero
                    Literal UInt64_1
                 TablesInSelectQuery (children 1)
                  TablesInSelectQueryElement (children 1)
                   TableExpression (children 1)
                    TableIdentifier system.zeros
                 Set
