Re: Interconnected views

On Fri, Jun 2, 2023, 09:36 Oliver Kohll <oliver(at)agilebase(dot)co(dot)uk> wrote:

> Hi,
>
> Just wondering, does anyone else create apps which might not have 'big'
> data, but quite complex arrangements of views joining to each other?
>
> If so, do you have scripts to aid refactoring them e.g. drop/recreate/test
> them in the right order etc.?
>

In Ledgersmb, we did this and also same with functions. We used versioned
scripts, database schema change management tools, and reload utilities as
well as Pgtap for testing.

>
> I'm really impressed with the way Postgres handles these multi-layered
> views. Some of our explain analyze outputs could fill a book each! Tools
> like Depesz' can be very useful. Sometimes a little tweaking or a judicious
> index is necessary, but the performance is very reliable and scalable.
>
> Blog post about it here:
> https://blog.agilebase.co.uk/2023/05/21/refactoring-sql-views/
>

Yeah, I have always been impressed by Postgres here too.

>
> Oliver
>
> --
> See us at the Bath Digital Festival <https://techspark.co/bdf/>, 12th July
>