SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 1)
    Function arrayJoin (alias pp) (children 1)
     ExpressionList (children 1)
      Identifier ParsedParams.Key2
   ExpressionList (children 1)
    Identifier ParsedParams.Key2 (alias x)
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test.hits
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier x
   Literal UInt64_2
