Ron <ronljohnso...@gmail.com> writes:
> On 2/7/23 09:06, Adrian Klaver wrote:
>> To force immediate reclamation of space occupied by a dropped column, you
>> can execute one of the forms of ALTER TABLE that performs a rewrite of the
>> whole table. This results in reconstructing each row with the dropped
>> column replaced by a null value."
> VACUUM FULL doesn't rewrite the table?
It moves all the tuples into a new file, but it does not rebuild
individual tuples, as would be needed to delete column values.
regards, tom lane
