Re: varchar

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От Alexander Staubo
Тема Re: varchar
Дата
Msg-id 14EB2692-14C7-4D9F-956E-5FF172A41F20@purefiction.net
обсуждение исходный текст
Ответ на varchar  ("Alain Roger" <raf.news@gmail.com>)
Список pgsql-general
On Nov 5, 2006, at 15:32 , Alain Roger wrote:

> I would like to allow web site user to fill a field and for that i
> would need a large varchar()...maybe something around 100.000
> characters.
> i guess that VARCHAR can not hold so many character and that i
> should turn to bytea.
> Am I right or is there some other possibility ?

Not at all -- PostgreSQL can fit roughly 1 gigabyte of data in a
single varchar column. Avoid bytea for anything except purely binary
data. Keep in mind that PostgreSQL is not able to index values longer
than ~ 8 kilobytes.

Note that the "text" data type, which is unlimited in length by
definition, is usually preferred over varchar. Read more here:

   http://www.postgresql.org/docs/8.1/interactive/datatype-
character.html

Alexander.



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