postgres timestamp to datetime
to_timestamp(field_name)::timestamppostgres timestamp to datetime
to_timestamp(field_name)::timestampunix timestamp postgres
select now(),
       extract(epoch from now()),                                          -- correct
       extract(epoch from now() at time zone 'utc'),                       -- incorrect
       extract(epoch from now() at time zone 'utc' at time zone 'utc');    -- correct
          now                  |    date_part     |    date_part     |    date_part
-------------------------------+------------------+------------------+------------------
 2014-10-14 10:19:23.726908+02 | 1413274763.72691 | 1413267563.72691 | 1413274763.72691
(1 row)unix timestamp postgres
public static class WebApiConfig
{
    public static void Register(HttpConfiguration config)
    {
        config.MapHttpAttributeRoutes();
        config.Routes.MapHttpRoute(
            name: "DefaultApi",
            routeTemplate: "api/{controller}/{id}",
            defaults: new { id = RouteParameter.Optional }
        );
    }
}Copyright © 2021 Codeinu
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