SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 3)
    Identifier t1.k
    Identifier t1.a
    Identifier t2.x
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier tp1 (alias t1)
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier tp2 (alias t2)
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier t1.k
        Identifier t2.k
   Function or (children 1)
    ExpressionList (children 2)
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier t2.x
       Literal UInt64_100
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier t2.x
       Literal UInt64_200
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier t1.k
