On Dec 29, 2010, at 11:16 AM, Tom Lane <t...@sss.pgh.pa.us> wrote: > I really really dislike the notion of a "verification scan": it's > basically work that is going to be useless if it fails.
I think it has potential in cases like text to xml. In that case it'll either work or fail, with no possibility of requiring a do-over. Scanning the whole table is a whole lot cheaper than rewriting it. But I agree with your assessment of the "optimistic" verification scan case. ...Robert -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers