Re: Getting lengths of variable fields

> > Yup, indeed there is no such field in pg_class.
>  
> Figure I can field this one in hopes of giving Tom more time for other
> things :)
> 
> It's a system column, so it doesn't show up in the 
> column list that you see from a select * query, but if you do a
> select oid from pg_class; you'll get it.

Let me use this system catalog discussion to announce the completion of
my database internals presentation at:

	http://candle.pha.pa.us/main/writings/internals.pdf

There is a system catalog diagram near the end.

Comments welcomed.

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 853-3000
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