Hi,

I have an index on a column that can be nullable. I decide the column
shouldn't be nullable anymore. So I alter the column to be not
nullable.

That "alter column" query does a full table scan, which can be painful
for large tables.  Couldn't that index be used instead?

Thanks,
Joe


-- 
Sent via pgsql-general mailing list (pgsql-general@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general

Reply via email to