Re: [HACKERS] Arbitrary tuple size
Bruce Momjian <maillist@candle.pha.pa.us>
From: Bruce Momjian <maillist@candle.pha.pa.us>
To: Jan Wieck <jwieck@debis.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, pgsql-hackers@postgreSQL.org
Date: 1999-07-09T04:36:03Z
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@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026