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Re: Way to quickly detect if database tables/columns/etc. were modified?

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On 10/31/2016 07:17 AM, Melvin Davidson wrote:
> 
> 
> On Mon, Oct 31, 2016 at 9:48 AM, Karsten Hilbert
> <Karsten.Hilbert@xxxxxxx <mailto:Karsten.Hilbert@xxxxxxx>> wrote:
> 
>     On Mon, Oct 31, 2016 at 09:14:07AM -0400, Melvin Davidson wrote:
> 
>     >> Maybe create an event trigger that updates a simple table with the last
>     >> modification time or sends a notification?
>     ...
>     > That would certainly work, but
>     > the problem is, that trigger would have to be created for every table in
>     > the database. When you have more than a couple dozen tables, as in
>     > hundreds, it becsmes a huge undertaking.*--
> 
>     Well, it could be generated.
> 
>     Karsten
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> 
>>Well, it could be generated.
> True, but it still is more code to maintain, whereas I maintain the
> addition addition of one column in pg_class and pg_attribute with a
> default of now()
> would make more sense. That being said, there were so many naysayers
> grasping at corner cases the last time I brought this up I have given up
> pursuing it.

For those that want to see the previous discussions and the non-trivial 
issues that where raised:

https://www.postgresql.org/message-id/CANu8FizWg8GMSmm_d8X0B6uYi7o535f3vqMD3nqFXqrrYB6huA%40mail.gmail.com

https://www.postgresql.org/message-id/mbrynjrrq6ckoxap20n2gqx4.1461185428476%40email.android.com

> 
> -- 
> *Melvin Davidson*
> I reserve the right to fantasize.  Whether or not you
> wish to share my fantasy is entirely up to you.


-- 
Adrian Klaver
adrian.klaver@xxxxxxxxxxx


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