Re: Number of internal operations for a single DML/DDL

On Wednesday, March 17, 2021, Nikhil Shetty <nikhil(dot)dba04(at)gmail(dot)com> wrote:
>
> I wanted to know how many internal operations postgres performs for a
> single DML or DDL statement.
>

Why?

>
> Apart from these what all operations does postgres do internally, I wanted
> an average estimated count as I know it would be difficult to get the
> details for each of the DML/DDL statements
>

Frankly, that number doesn’t exist; the nature of the input and the state
of the system directly impacts what any individual command does internally
and so one cannot derive a count, or even an understanding of what happens,
without knowledge of those two things. Which brings us again to “why?”.

David J.