Peter Eisentraut <peter_e@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.
--
Kevin Grittner
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
