SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Identifier avg_duration1
    Function equals (children 1)
     ExpressionList (children 2)
      Identifier avg_duration1
      Identifier avg_duration2
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 3)
          ExpressionList (children 4)
           Function sum (children 1)
            ExpressionList (children 1)
             Identifier bytes
           Identifier hour
           Function toStartOfHour (alias hour) (children 1)
            ExpressionList (children 1)
             Identifier datetime
           Function avg (alias avg_duration1) (children 1)
            ExpressionList (children 1)
             Identifier duration
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier video_log
          ExpressionList (children 1)
           Identifier hour
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 3)
           Identifier hour
           Identifier sum_bytes (alias sum_bytes2)
           Identifier avg_duration (alias avg_duration2)
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier video_log_result__fuzz_0
     TableJoin (children 1)
      ExpressionList (children 1)
       Identifier hour
   Set
 Identifier Null