Re: UPDATE many records
Alan Hodgson <[email protected]> Tue, 07 Jan 2020 12:56:16 -0800
| Newsgroups | gmane.comp.db.postgresql.general |
|---|---|
| Message-ID | <[email protected]> |
On Tue, 2020-01-07 at 11:47 -0900, Israel Brewster wrote: > One potential issue I just thought of with this approach: disk space. > Will I be doubling the amount of space used while both tables exist? > If so, that would prevent this from working - I don’t have that much > space available at the moment. The original update you planned would do that, too. You probably need to just do the update in batches and vacuum the table between batches.