Pessoal,
Estou precisando de uma ajuda no sql abaixo:
Quero pegar somente a parte inteira da subtração de duas data.

select dt_abertura,dt_fim,(dt_fim - dt_abertura)no_dias from osservhe;

 dt_abertura |         dt_fim                        | no_dias
-------------+-------------------------+------------------------
 2012-11-18  | 2012-11-18 23:09:09     | 23:09:09
 2012-07-23  | 2012-09-18 22:21:10     | 57 days 22:21:10
 2012-09-10  | 2012-09-18 22:43:56     | 8 days 22:43:56
 2012-09-03  | 2012-09-18 23:44:33     | 15 days 23:44:33
 2012-08-05  | 2012-09-21 23:39:09     | 47 days 23:39:09
 2012-08-15  | 2012-09-21 23:46:41     | 37 days 23:46:41
 2012-08-12  | 2012-09-21 23:49:15     | 40 days 23:49:15
 2012-08-06  | 2012-09-22 00:01:15     | 47 days 00:01:15
 2012-08-05  | 2012-09-22 00:10:55     | 48 days 00:10:55
 2012-07-23  | 2012-09-22 00:16:55     | 61 days 00:16:55
 2012-10-26  | 2012-10-26 22:26:29     | 22:26:29
 2012-09-10  | 2012-09-18 22:30:58     | 8 days 22:30:58
 2012-07-22  | 2012-09-18 22:11:40     | 58 days 22:11:40

--
Edson

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