Koen De Groote writes:
>> Index expressions are relatively expensive to maintain, because the derived
>> expression(s) must be computed for each row upon insertion and whenever it
>> is updated
> I'd like to get an idea on "relatively expensive".
It's basically whatever the cost of evaluating th
Greetings all.
The following page:
https://www.postgresql.org/docs/11/indexes-expressional.html
States the following:
Index expressions are relatively expensive to maintain, because the derived
> expression(s) must be computed for each row upon insertion and whenever it
> is updated
>
I'd like