Re: Integer input functions for date and timestamp

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От Robert Haas
Тема Re: Integer input functions for date and timestamp
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Msg-id AANLkTimyvSkoZxN6d+hgDxQB7xZ6aJOyWk0mMxLfQt_0@mail.gmail.com
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Ответ на Re: Integer input functions for date and timestamp  (Alvaro Herrera <alvherre@commandprompt.com>)
Список pgsql-hackers
On Fri, Oct 22, 2010 at 4:27 PM, Alvaro Herrera
<alvherre@commandprompt.com> wrote:
> Excerpts from Alvaro Herrera's message of vie oct 22 17:13:31 -0300 2010:
>> Excerpts from Robert Haas's message of vie oct 22 16:54:01 -0300 2010:
>>
>> > Ooh, I like it.  A related personal pet peeve of mine: AFAIK the
>> > easiest way to convert from an integer number of seconds to an
>> > interval representing that many seconds is:
>> >
>> > (the_int || ' s')::interval
>>
>> Why do you go through text and concatenation?  I advocate this approach:
>>     the_int * interval '1 second'
>
> A quick tests with pgbench custom scripts says that it's about 10%
> faster.

Hmm, never thought of that approach.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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