On Thu, 2020-11-05 at 11:23 -0700, David G. Johnston wrote:
> > So when i try running alter table table_name alter column column_name type INT; , it is hanging and starts
providinga lock on the table.
It has to rewrite the table and needs an AccessExclusive lock.
You have to suspend all concurrent activity on that table.
> I'm not seeing the point of doing this specific conversion at all really
Exactly; this exercise is not necessary.
The few bytes you are saving are not worth the trouble.
Yours,
Laurenz Albe
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