Re: Determine potential change in table size after a column dropped? - Mailing list pgsql-admin

On Sat, 2022-01-22 at 09:08 -0800, Wells Oliver wrote:
> I need only drop the column and VACUUM FULL the table, and not the entire DB, right?

Not that VACUUM (FULL) will *not* physically get rid of a dropped column,
as it just copies the complete rows to a new table.

You would need something like:

CREATE TABLE newtab (LIKE oldtab);
INSERT INTO newtab SELECT * FROM oldtab;

Yours,
Laurenz Albe
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