Re: proposal: add columns created and altered to pg_proc and pg_class

Tom Lane wrote:
> Pavel Stehule <pavel.stehule@gmail.com> writes:
> > this my proposal is very simple. It help to people who have to manage
> > large or complex database system. Important data are date of creating
> > and date of altering tables and stored procedures. These data cannot
> > be modified by user, so implementation doesn't need any new
> > statements.
> 
> ISTM anyone who thinks they need this actually need a full DDL log;
> or at least, if we give them this, they will be back next week asking
> for a full log.  So it'd save a lot of work to tell them to just log
> their DDL to start with.
> 
> Some obvious objections to the simple approach:
> - what if I want to know *who* made the change
> - what if I need to know about the change before last
> - what if I need to know about a DROP
> - what if I need to know about operators, operator classes, schemas, etc
>   etc

How do you handle dump/restore?  Is it preserved?

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