Markus Wanner napsal(a):
Hi,
Zdenek Kotala wrote:
I finished first prototype of new page API.
This might seem obvious to you, but could you please describe the
problem you are trying to solve with this new page API? How does it
relate to the relation forks, that have just been committed?
Hi Markus,
It is not related to fork maps. The idea is to learn PostgreSQL process to read
old data page structures. It is part of in-place upgrade and it was discussed on
PGCon this year. You can see more info on
http://wiki.postgresql.org/wiki/In-place_upgrade
http://www.pgcon.org/2008/schedule/events/87.en.html
This is prototype of first part. Multi versions tuple processing and tuple size
limits are next part.
Zdenek
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