SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 2)
    Function sum (children 1)
     ExpressionList (children 1)
      Identifier c
    Function plus (alias a) (children 1)
     ExpressionList (children 2)
      Function toInt32 (children 1)
       ExpressionList (children 1)
        Function divide (children 1)
         ExpressionList (children 2)
          Function minus (children 1)
           ExpressionList (children 2)
            Identifier h
            Function CAST (children 1)
             ExpressionList (children 2)
              Literal NULL
              Literal \'Nullable(DateTime)\'
          Literal UInt64_3600
      Literal UInt64_1
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 4)
          ExpressionList (children 2)
           Function count (alias c) (children 1)
            ExpressionList
           Identifier h
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Subquery (children 1)
              SelectWithUnionQuery (children 1)
               ExpressionList (children 1)
                SelectQuery (children 1)
                 ExpressionList (children 1)
                  Function now (alias h) (children 1)
                   ExpressionList
          Function equals (children 1)
           ExpressionList (children 2)
            Function plus (children 1)
             ExpressionList (children 2)
              Function toInt32 (children 1)
               ExpressionList (children 1)
                Function divide (children 1)
                 ExpressionList (children 2)
                  Function minus (children 1)
                   ExpressionList (children 2)
                    Identifier h
                    Function CAST (children 1)
                     ExpressionList (children 2)
                      Literal NULL
                      Literal \'Nullable(DateTime)\'
                  Literal UInt64_3600
              Literal UInt64_1
            Literal UInt64_1
          ExpressionList (children 1)
           Identifier h
   ExpressionList (children 1)
    Identifier a
   Set
