SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 2)
           Function toUInt64 (alias a) (children 1)
            ExpressionList (children 1)
             Identifier b
           Function sum (alias b) (children 1)
            ExpressionList (children 1)
             Identifier id
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier test_00597
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier a
     Literal UInt64_3
