SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 2)
    Function arrayElement (alias q) (children 1)
     ExpressionList (children 2)
      Function URLHierarchy (children 1)
       ExpressionList (children 1)
        Identifier URL
      Literal UInt64_1
    Literal \'x\' (alias w)
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test.hits
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier CounterID
     Literal UInt64_14917930
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier URL