SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Identifier level
    Function COUNT (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 3)
          ExpressionList (children 2)
           Identifier uid
           Function windowFunnel (alias level) (children 2)
            ExpressionList (children 3)
             Function toUInt32 (children 1)
              ExpressionList (children 1)
               Identifier its
             Function notEquals (children 1)
              ExpressionList (children 2)
               Identifier action_code
               Literal \'\'
             Function equals (children 1)
              ExpressionList (children 2)
               Identifier action_code
               Literal \'2\'
            ExpressionList (children 1)
             Literal UInt64_3600
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function remote (children 1)
              ExpressionList (children 3)
               Literal \'127.0.0.{2,3}\'
               Function currentDatabase (children 1)
                ExpressionList
               Identifier remote_test
          ExpressionList (children 1)
           Identifier uid
   ExpressionList (children 1)
    Identifier level