Hannu Krosing wrote:
> I don't think it is a good idea to store xid's anywhere but in xmin/xmax
> columns, as doing so would cause nasty xid wraparound problems.
>
> Instead you should wait, after completeing the index , for all
> concurrent transactions to end before you mark the index as "usable for
> queries", similar to the way CREATE INDEX CONCURRENTLY does.
We already discussed having VACUUM FREEZE deal with the pg_index xid
column. I don't see how having CREATE INDEX wait for all completed
transactions helps us from a usability perspective.
-- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB
http://www.enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
