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NOTE: On my machine, the Visual SourceSafe database is located in the C:\Program Files\Microsoft Visual Studio\Common\VSS folder. My computer, in this case, is a development workstation, as well as the SQL Server and Visual SourceSafe server.
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6. Name the project and type a comment to describe the project if you want. The application will then prompt you for your Visual SourceSafe user name (Login ID) and password.
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7. Type the user name and password you created earlier in this chapter and click OK to close this dialog and post the Asset database to Visual SourceSafe. Visual SourceSafe creates a project and locks all stored procedures. You can see a small lock icon beside each stored procedure in Data View (see Figure 8-3).
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NOTE: From this moment, you must check out a stored procedure before you can change it. Unfortunately, this solution does not prevent another developer from using some other tool to change a stored procedure directly in the database. Visual SourceSafe only works through consensus. Loose cannons can still wreak havoc on your development ship.
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When stored procedures are locked, you can open them for viewing in the editor, but Visual InterDev will prevent you from changing them until you check them out:
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1. Right-click a procedure and select Open. Visual InterDev opens a copy of the procedure but marks it read-only. 2. Try to change its code and save it. Visual InterDev will prevent you from saving it. Now, let s change a stored procedure: 1. Right-click a procedure and select Check Out from the pop-up menu. 2. Visual InterDev will first compare the version in Visual SourceSafe with the version in the SQL Server database.
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Figure 8-3.
Locked Stored Procedures in Visual SourceSafe
SQL Server 2000 Stored Procedure Programming
If the versions do not match, the application will display a warning and prompt you to specify the version that you want to use:
3. You can select either the database or the Visual SourceSafe version, or you can decide to post the database version to Visual SourceSafe. Naturally, you should first check the differences between them. 4. Select one of these options. Visual InterDev displays a checkmark beside the stored procedure in Data View to indicate that the stored procedure is checked out (see Figure 8-4). Now you can open and edit the stored procedure, and Visual InterDev will allow you to save the changes. When you save the changed stored procedure, Visual InterDev will store it in the SQL Server database, but the stored procedure remains checked out. The assumption is that you are working on your development (or test) server and that you need time to test changes. Once you are satisfied with the stored procedure, you can use the Check In option to save it in Visual SourceSafe. To edit a stored procedure: 1. Right-click the stored procedure to open it. 2. Find the RAISERROR statement, and change its severity from 1 to 16 (or make some other trivial change). 3. Select Save on the File menu to save your changes. 4. Right-click the stored procedure and select Check In from the pop-up menu.
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Figure 8-4.
Checked-out Stored Procedures
5. The application will prompt you for a comment. Take the time to indicate what changes you made. This will be incredibly helpful if some detective work is required later.
6. Click OK. Visual InterDev will save the changes in Visual SourceSafe and lock the stored procedure. The stored procedure is now ready to be checked out by another member of the development team, or for implementation as part of a cohesive version.
SQL Server 2000 Stored Procedure Programming
NOTE: When I first started to use Visual SourceSafe, the directions implied by the terms Check Out and Check In sounded inverted to me. Just think of Visual SourceSafe as an actual safe from which you are taking your code and into which you subsequently return your code after you are done with it.
7. Now, go back and check out the same stored procedure again. 8. Open it and reverse your previous changes (change the severity of the RAISERROR statement from 16 to 1, or reverse whatever other trivial change you made). 9. Save the stored procedure. (You can open the stored procedure from Enterprise Manager to verify its contents.) 10. Let s assume that you are not satisfied with these changes and that you want to abandon them. (You have tested them and the result is not what you expected.) All you need to do is to select Undo Check Out. The Visual SourceSafe Server will lock the stored procedure again and use the existing copy from Visual SourceSafe to reverse the changes to the database. (Again, you can open the stored procedure from Enterprise Manager to verify its contents.)
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