| From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Jan Wieck <jwieck(at)debis(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgreSQL(dot)org |
| Subject: | Re: [HACKERS] Arbitrary tuple size |
| Date: | 1999-07-09 04:36:03 |
| Message-ID: | 199907090436.AAA08230@candle.pha.pa.us |
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| Thread: | |
| Lists: | pgsql-hackers |
> > Aren't index tuples still tuples? Can't they be split just like
> > regular tuples?
>
> Don't know, maybe.
>
> While looking for some places where tuple data might be
> accessed directly inside of the buffers I've searched for
> WriteBuffer() and friends. These are mostly used in the index
> access methods and some other places where I expected them,
> so index AM's have at least to be carefully visited when
> implementing tuple split.
See my recent mail. heap_getnext and heap_fetch(). Can't get lower
access than that.
--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
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