SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Identifier PP.Key2 (alias ym:s:pl2)
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier visits1
    TablesInSelectQueryElement (children 1)
     ArrayJoin (children 1)
      ExpressionList (children 4)
       Identifier ParsedParams.Key2 (alias PP.Key2)
       Identifier ParsedParams.Key1 (alias PP.Key1)
       Function arrayEnumerateUniq (alias upp_==_yes_) (children 1)
        ExpressionList (children 2)
         Identifier ParsedParams.Key2
         Function arrayMap (children 1)
          ExpressionList (children 2)
           Function lambda (children 1)
            ExpressionList (children 2)
             Function tuple (children 1)
              ExpressionList (children 1)
               Identifier x_0
             Literal UInt64_1
           Identifier ParsedParams.Key1
       Function arrayEnumerateUniq (alias _uniq_ParsedParams) (children 1)
        ExpressionList (children 1)
         Identifier ParsedParams.Key2
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier CounterID
     Literal UInt64_100500
