SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function max (children 1)
     ExpressionList (children 1)
      Function arrayJoin (children 1)
       ExpressionList (children 1)
        Function arrayEnumerateUniq (children 1)
         ExpressionList (children 1)
          Function arrayMap (children 1)
           ExpressionList (children 2)
            Function lambda (children 1)
             ExpressionList (children 2)
              Function tuple (children 1)
               ExpressionList (children 1)
                Identifier x
              Function intDiv (children 1)
               ExpressionList (children 2)
                Identifier x
                Literal UInt64_10
            Identifier URLCategories
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test.hits