> -----Original Message----- > From: Scott Marlowe [mailto:scott.marlowe@xxxxxxxxx] > Sent: Thursday, January 20, 2011 12:51 PM > To: Bradley Holbrook > Cc: French, Martin; pgsql-admin@xxxxxxxxxxxxxx > Subject: Re: Postgres Backup Utility > > On Thu, Jan 20, 2011 at 10:42 AM, Bradley Holbrook > <operations_bradley@xxxxxxxxxxxxx> wrote: > > Thanks Scott... a couple comments. > > > > Our developers never decide what goes to where... they just happily > > plumb away on the development db until we're ready to take > our product > > to testing (at regular intervals), once QA is passed, we > wish to apply these to live. > > We have several diff tools and sync tools, but they take forever > > (especially the ones that only go one schema at a time). > > > > The DDL Logging sounds like a sufficient solution, can it be > > configured to only record create and alter commands (or create or > > replace commands on functions or updates on sequences, etc)? I'd > > likely write a script to have this emailed to me at the end > of every > > day. I'm going to google DDL logging (never heard of it), > but any good resources off the top of your head? > > It's basically logging anything that changes the structure of > the database. It would be easy enough to grep out what you > do and don't want later. > > > Martin French is right though, ask your developers to write > down all > > their SQL struct changes and they look at you funny... and being a > > developer myself I'd look at me funny. If you forget just > once you're > > screwed into a day sifting through tables and code. > > I've worked in three different shops now as a dev-dba and > sysadmin, and in all three, all DDL changes had to be > committed and / or handed over to the DBAs. period. Look > funny all they want, they either give up the DDL or their > code doesn't get pushed off dev servers onto anything else. > At the very least they should be able to tell you which > tables changed to go with which code changes, or you're not > sure what code you can and can't push. I get both of your > point on this, but it's a discipline issue that needs sorting > out with the developers if you want to have reproduceable ddl > changes in all your systems that match the code changes. > Completely agree with Scott. Only want to add that in this kind of development environment: development/test/production - Source code versioning software is absolute necessity (there are many: CSV, SourceSafe, Perforce, ... - pick your choice). Regards, Igor Neyman -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin
