SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 2)
    Identifier PP.Key1 (alias x1)
    Identifier ParsedParams.Key2 (alias x2)
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test.hits
    TablesInSelectQueryElement (children 1)
     ArrayJoin (children 1)
      ExpressionList (children 1)
       Identifier ParsedParams (alias PP)
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier CounterID
     Literal UInt64_1704509
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier x1
    OrderByElement (children 1)
     Identifier x2
   Literal UInt64_10
