| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Andre Restivo <arestivo(at)criticalsoftware(dot)com> |
| Cc: | pgsql-admin(at)postgreSQL(dot)org |
| Subject: | Re: Char datatype |
| Date: | 2000-10-12 03:02:13 |
| Message-ID: | 200010120302.XAA02812@candle.pha.pa.us |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-admin |
[ Charset ISO-8859-15 unsupported, converting... ]
> Hi,
>
> Does anyone know why does pg use 4+n bytes to store a char(n) field? The
> four initial bytes seem to have only null chars so why are they used?
The 4 bytes is for the length of the string to be stored.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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