From: | Michael Garriss <mgarriss(at)earthlink(dot)net> |
---|---|
To: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: varchar vs. text |
Date: | 2003-09-18 04:36:59 |
Message-ID: | 3F69366B.6080902@earthlink.net |
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Lists: | pgsql-general |
Tom Lane wrote:
>Michael Garriss <mgarriss(at)earthlink(dot)net> writes:
>
>
>>I curious about the benefits of a varchar over text.
>>
>>
>
>1. Compliance to the letter of the SQL spec.
>2. Ability to define a maximum length, if you happen to feel the need to
> impose a specific maximum length. (If you don't have a good reason
> to impose any particular max length, this is a minus not a plus,
> because the spec says you have to pick one anyway.)
>
>
>
>>Is it speed,
>>
>>
>
>It's a loser on speed because of the extra cycles spent to check the
>max length. Other than those cycles, there is no difference.
>
> regards, tom lane
>
>
>
Thanks for the quick response.
Michael
P.S. The code I'm writing is going to be ported to MySQL by a friend.
Do you have any idea if TEXT is supported over there?
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