Re: Doing INTERVAL with NOW() versus casted timestamp

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От
Tom Lane
Тема
Re: Doing INTERVAL with NOW() versus casted timestamp
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10542.1361030953@sss.pgh.pa.us
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Doing INTERVAL with NOW() versus casted timestamp Wells Oliver <wellsoliver@gmail.com>
Re: Doing INTERVAL with NOW() versus casted timestamp Andreas Kretschmer <akretschmer@spamfence.net>
Re: Doing INTERVAL with NOW() versus casted timestamp John Shott <shott@stanford.edu>
Re: Doing INTERVAL with NOW() versus casted timestamp Tom Lane <tgl@sss.pgh.pa.us>
John Shott  writes:
> I believe that if you use the current_date function, instead of now(), 
> and subtract 24 hours from that, then you will get the behavior that you 
> expect.

If you're working with dates, rather than timestamps, it's even easier
than that: just add or subtract an integer.

regression=# select current_date;
    date    
------------
 2013-02-16
(1 row)

regression=# select current_date - 1;
  ?column?  
------------
 2013-02-15
(1 row)

			regards, tom lane
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