On 2/21/13 9:25 AM, Kevin Grittner wrote: > Peter Eisentraut <pete...@gmx.net> wrote: >> On 2/20/13 11:14 PM, Greg Stark wrote: >>> That's not entirely true. From the database's point of view, >>> TRUNCATE is in many ways actually DDL. >> >> Whether something is DDL or DML or a read operation (query) is >> not an implementation detail, it's a user-exposed category. >> Since TRUNCATE is logically equivalent to DELETE, it's a DML >> operation, as far as the user is concerned. > > Not really. It doesn't follow the same MVCC behavior as DML. This > is user-visible, documented behavior.
MVCC behavior does not determine whether something is considered DDL or DML. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
