SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 3)
    Function tuple (children 1)
     ExpressionList (children 2)
      Asterisk
      Literal UInt64_1
    Function plus (alias a) (children 1)
     ExpressionList (children 2)
      Identifier b
      Literal UInt64_1
    Function plus (alias a) (children 1)
     ExpressionList (children 2)
      Identifier b
      Literal UInt64_1
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t1
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier t2
     TableJoin (children 1)
      ExpressionList (children 1)
       Identifier a
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier ALL
