On Tue, Oct 7, 2014 at 10:16 AM, Tom Lane <tgl@xxxxxxxxxxxxx> wrote: > Sergey Konoplev <gray.ru@xxxxxxxxx> writes: >> BTW, where can I find a list of type1->type2 pairs that doesn't >> require full table lock for conversion? > > There aren't any. Sometimes you can skip a table rewrite, but that > doesn't mean that a lesser lock is possible. Oh, sorry, it was a typo, I meant "that doesn't require a full table rewrite". -- Kind regards, Sergey Konoplev PostgreSQL Consultant and DBA http://www.linkedin.com/in/grayhemp +1 (415) 867-9984, +7 (499) 346-7196, +7 (988) 888-1979 gray.ru@xxxxxxxxx -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general