Correction, as Mr. Tober suggested. On Thu, Aug 6, 2015 at 8:34 PM, Melvin Davidson <melvin6...@gmail.com> wrote:
> As Mr. Wilson suggested, you can use pg_dump to extract the views, but I > also suggest downloading and installing pg_extractor, which uses pg_dump > but allows more options to dump just the objects you need. IE: views, > functions, etc. > > Here's the url to download. > https://github.com/omniti-labs/pg_extractor > > These url's give more detail about it. > > http://www.keithf4.com/pg_extractor/ > > https://www.youtube.com/watch?v=a7P4TV8xUOM > > On Thu, Aug 6, 2015 at 7:41 PM, Berend Tober <bto...@computer.org> wrote: > >> Melvin Davidson wrote: >> >>> The best solution, IMHO, is don't create views that depend on other >>> views. ... >>> >>> Much better to just make each view a stand alone. >>> >> >> Seconding Mr. Davidson's advice. >> >> But, given that you are in the situation, here is a workable alternative: >> >> >> Matthew Wilson >> >>> >>> On Thu, Aug 6, 2015 at 4:44 PM, W. Matthew Wilson <m...@tplus1.com >>> <mailto:m...@tplus1.com>> wrote: >>> >>> I have a bunch of views, and some views use data from other views. >>> >>> ... >>> Several times now, as I got further into the project, I've changed >>> how >>> I make some views and I've had to redefine not just that view, but >>> all >>> the ones that depend on it. >>> >>> >> >> 1. Dump the data base: >> >> >> pg_dump mydatabase -U postgres -Fc > mydatabase.dump >> >> >> 2. Create a list of all data base objects from the dump file >> >> >> pg_restore -l mydatabase.dump > mydatabase.list >> >> >> 3. Edit the list file and delete all rows except those for your views A, >> B, and C. Make sure you leave the lines corresponding to those views in the >> order in which they appear in the list file, as the following step will >> then have commands in the right dependency order. >> >> >> 4. Generate a SQL command file, based on the dump and the edited list >> file: >> >> >> pg_restore -C -L mydatabase.list mydatabase.dump > sql >> >> >> 5. Edit your view definitions in the SQL command file. >> >> >> 6. Run the SQL command file: >> >> >> psql mydatabase -U postgres -f sql >> >> >> >> >> > > > -- > *Melvin Davidson* > I reserve the right to fantasize. Whether or not you > wish to share my fantasy is entirely up to you. > -- *Melvin Davidson* I reserve the right to fantasize. Whether or not you wish to share my fantasy is entirely up to you.
