Re: pg_dump --with-* options

On Thu, Jun 12, 2025 at 04:12:35PM -0400, Corey Huinker wrote:
> The use case for --statistics-only is to extract the existing statistics
> for the tables and indexes that are involved in a given query that is
> giving you problems, allowing you to apply those statistics to an existing
> QA/dev database and tweak them without further impacting operations on the
> production database. I think this will prove to be very useful, and having
> a --statistics-only flag conveys the clear intent of "I want the stats, and
> only the stats",

I do think this is useful functionality, I only suggested removing it
because AFAICT it is redundant, i.e., you can accomplish the same thing
with --with-statistics --no-schema --no-data. It seems like we're trying
to avoid having multiple ways to do the same thing.

> If we're hot to remove options, how about we remove the sections flags?
> Their utility is reliant upon the user understanding exactly which things
> go in which section, and further assumes that everything deterministically
> goes in exactly one section, which is no longer the case as Jeff
> pointed out recently. They have outlived their usefulness.

I almost brought this up earlier as something else we could potentially
trim. That's v19 material at this point, though.

--
nathan