Re: [ZODB-Dev] roll back filestorage zodb to a certain date?

2007-03-22 Thread Christian Theune
Am Donnerstag, den 22.03.2007, 15:00 + schrieb Chris Withers: > Benji York wrote: > >> Nah, the changes need to be permenant, tested, and then rolled back... > > > > I can't reconcile "permanent" > > ie: committed to disk, not DemoStorage... > > > and "rolled back". :) > > undo the changes

Re: [ZODB-Dev] roll back filestorage zodb to a certain date?

2007-03-22 Thread Chris Withers
Benji York wrote: Nah, the changes need to be permenant, tested, and then rolled back... I can't reconcile "permanent" ie: committed to disk, not DemoStorage... and "rolled back". :) undo the changes committed to disk, to a point in time, once the results have been tested. If the app n

Re: [ZODB-Dev] roll back filestorage zodb to a certain date?

2007-03-22 Thread Benji York
Chris Withers wrote: Benji York wrote: Chris Withers wrote: I'm writing/running a bunch on migration processes on a 30GB Data.fs, I'm hoping it's easier to roll back the Data.fs to before I started my migration run than it is to grab a new copy on the ZODB from somewhere... Demostorage, perha

Re: [ZODB-Dev] roll back filestorage zodb to a certain date?

2007-03-22 Thread Chris Withers
Benji York wrote: Chris Withers wrote: I'm writing/running a bunch on migration processes on a 30GB Data.fs, I'm hoping it's easier to roll back the Data.fs to before I started my migration run than it is to grab a new copy on the ZODB from somewhere... Demostorage, perhaps? Nah, the change

Re: [ZODB-Dev] roll back filestorage zodb to a certain date?

2007-03-22 Thread Benji York
Chris Withers wrote: I'm writing/running a bunch on migration processes on a 30GB Data.fs, I'm hoping it's easier to roll back the Data.fs to before I started my migration run than it is to grab a new copy on the ZODB from somewhere... Demostorage, perhaps? -- Benji York Senior Software Engin

Re: [ZODB-Dev] roll back filestorage zodb to a certain date?

2007-03-21 Thread Chris Withers
Rodrigo Senra wrote: I guess what Chris meant was: Given a pivot point in time (date and time), for *all* objects in the database (the whole Data.fs) will suffer UNDO over transactions whose timestamp is greater (more recent) than the given pivot timestamp. Sounds about right... Never

Re: [ZODB-Dev] roll back filestorage zodb to a certain date?

2007-03-21 Thread Chris Withers
Jim Fulton wrote: On Mar 21, 2007, at 6:41 AM, Chris Withers wrote: Hi All, Is there any existing method or script for rolling back a ZODB (filestorage-backed in this case, Back end to what? I meant as opposed to BDBStorage or OracleStorage ;-) I don't know whether to attempt this at the

Re: [ZODB-Dev] roll back filestorage zodb to a certain date?

2007-03-21 Thread Rodrigo Senra
[ Jim Fulton ]: |Before we talk about adding it anywhere, I'd like to see the |semantics defined more clearly. I guess what Chris meant was: Given a pivot point in time (date and time), for *all* objects in the database (the whole Data.fs) will suffer UNDO over transactions whose timestam

Re: [ZODB-Dev] roll back filestorage zodb to a certain date?

2007-03-21 Thread Jim Fulton
On Mar 21, 2007, at 6:41 AM, Chris Withers wrote: Hi All, Is there any existing method or script for rolling back a ZODB (filestorage-backed in this case, Back end to what? if that makes it easier) to a certain point in time? Do you actually want to modify the file? Or do you simply w