From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | julie(at)postgreSQL(dot)org (Julia A(dot)Case) |
Cc: | julie(at)postgreSQL(dot)org, julie(at)hub(dot)org, scrappy(at)hub(dot)org, pgsql-hackers(at)postgreSQL(dot)org |
Subject: | Re: [HACKERS] attlen weirdness? |
Date: | 1998-03-11 15:53:10 |
Message-ID: | 199803111553.KAA18128@candle.pha.pa.us |
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Lists: | pgsql-hackers |
>
> Quoting Bruce Momjian (maillist(at)candle(dot)pha(dot)pa(dot)us):
> >
> > pg_attribute.atttypmod.
> >
> this field appears to be field size + 4
> in a char(1024) field it returns 1028
> in a char(10) it returns 14
>
> is it padded?
>
Yes. All varlena sizes store the VARHDRSZ, variable header size of 4,
in the length field.
--
Bruce Momjian | 830 Blythe Avenue
maillist(at)candle(dot)pha(dot)pa(dot)us | Drexel Hill, Pennsylvania 19026
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