Re: Help request to improve function performance
От | Karsten Hilbert |
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Тема | Re: Help request to improve function performance |
Дата | |
Msg-id | 20090423090059.GB4500@merkur.hilbert.loc обсуждение исходный текст |
Ответ на | Re: Help request to improve function performance (Seref Arikan <serefarikan@kurumsalteknoloji.com>) |
Ответы |
varchar vs. text + constraint/triggers was: Help request to improve
function performance
|
Список | pgsql-general |
On Thu, Apr 23, 2009 at 12:02:13AM +0100, Seref Arikan wrote: > I have a set of dynamically composed objects represented in Java, with > string values for various attributes, which have variable length. In case > you have suggestions for a better type for this case, it would be my > pleasure to hear about them. Seref, he's suggesting you use TEXT instead of VARCHAR(something). In PG it's actually usually *less* overhead to use the unbounded text datatype (no length check required). Length checks mandated by business logic can be added by more dynamic means -- check constraints, triggers, etc which allow for less invasive change if needed. Karsten -- GPG key ID E4071346 @ wwwkeys.pgp.net E167 67FD A291 2BEA 73BD 4537 78B9 A9F9 E407 1346
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