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How does sourcesafe store files

How does sourcesafe store files

How does sourcesafe store files

Does source safe store copies of each file in its entirety or does is only store the changes made since the original was added to the project?

RE: How does sourcesafe store files

It seems to store the file in its entirety.  So if there's a problem, you can go back to a previous version.


RE: How does sourcesafe store files

thanks, jessica.  that is what i needed.


RE: How does sourcesafe store files

VSS stores it's files using a recursive delta.  

That means the latest version of each file is stored but to get previous versions it just keeps deltas(Changes)


RE: How does sourcesafe store files

That's good to know.  That must be why it gets a little slow when trying to view 15 versions ago.


RE: How does sourcesafe store files

Visual SourceSafe stores files using an 8 letter naming convention and in sets or filepairs.  When you create a sourcesafe databse, the first item created in the database is the aaaaaaaa and aaaaaaaa.a.  This is essentialy root or "$/".  The next file or project you add or create (foo.c) will take on baaaaaaa and baaaaaaa.a. and so on.  When you check out your first file foo.c or whatever, you go into the VSS database and open that baaaaaaa.a file.  When you make a change to it, the new version is saved as baaaaaaa.b and a log is made in the baaaaaaa file.

So, to answer your question, VSS stores the most recent version of the file and then records the recursive delta information (as SeanGriffin stated) to the log file.

Hope that helps :)

Brett Keown
VSS / Team Development
Microsoft Developer Communities Team


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