Re: [PERFORMANCE] Beetwen text and varchar field

От: Bruce Momjian
Тема: Re: [PERFORMANCE] Beetwen text and varchar field
Дата: ,
Msg-id: 200601092350.k09NoV022662@candle.pha.pa.us
(см: обсуждение, исходный текст)
Ответ на: Re: [PERFORMANCE] Beetwen text and varchar field  ("Steinar H. Gunderson")
Список: pgsql-performance

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Steinar H. Gunderson wrote:
> On Mon, Jan 09, 2006 at 11:58:19AM +0100, TNO wrote:
> > what is the best for a char field with less than 1000 characters?
> > a text field or a varchar(1000)
>
> They will be equivalent. text and varchar are the same type internally -- the
> only differences are that varchar can have a length (but does not need one),
> and that some casts are only defined for text.
>
> If there's really a natural thousand-character limit to the data in question,
> use varchar(1000); if not, use text or varchar, whatever you'd like.
>
> /* Steinar */
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> Homepage: http://www.sesse.net/
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