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HomeHomeDevelopment and...Development and...Building ExtensionsBuilding ExtensionsModulesModulesAlter database during module installationAlter database during module installation
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3/24/2011 7:02 PM
 
boranin

Joined: 8/11/2007
Posts: 4
After some days of trying, I finally succeeded in seting up a module development project. The problem I have is creation of tables in the database during module installation. From what I see, some modules are using 1.0.0.SqlDataProvider file with TSQL inside. Are there any guidelines for explaining best practice for making tables during installation and interaction with the database later?
 
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3/25/2011 9:51 AM
 
Larry Eisenstein


Joined: 12/7/2006
Posts: 82
I haven't seen any "Best Practices" documentation, although you might get some hints by watching the Module Development videos.

The installation framework runs every 1.x.x.SqlDataProvider file, starting with the version you are currently on(1.0.0 if new install), all the way to the most recent version. You should design the TSQL in there so it will run that way.

ex.
1.0.0 Creates tables
1.0.1 Alters tables created in 1.0.0
1.1.0 Alters tables assuming the 1.0.1 schema, etc

Always check to make sure tables exist and remember to take prefixes into consideration, etc.

All this is covered(briefly) in the Module Development videos.
 
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3/27/2011 8:50 AM
 
Sebastian Leupold


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www.dnnwerk.de
Joined: 3/8/2004
Posts: 46212
check out install code from other modules bundled with DotNetNuke. In addition to incemental structure of sql files, it is best practice to make scripts rerunnable, i.e. checking for ccolumns before adding it or dropping stored procedures (if exist) an recreate it.
Cheers from Germany,
Sebastian Leupold

dnnWerk - The DotNetNuke Experts   German Spoken DotNetNuke User Group

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3/29/2011 2:57 AM
 
boranin

Joined: 8/11/2007
Posts: 4
Thanks for your answers. This sounds like a big job when it commes to upgrades. It would be great if someone could list steps to be followed in upgrade SQL. I presume:
-Delete relationships,
-Add fields (columns),
-Add tables (if any),
-Drop tables (if any),
-Reconstruct relationships and add new relationships.

Could someone confirm above?

Regards,
Alex
 
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3/30/2011 4:17 AM
 
Sebastian Leupold


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Joined: 3/8/2004
Posts: 46212
Alex,
you are correct, the easiest option is applying changes using SQL Server Management UI, which generates scripts, you may easily adjust (replace alter procedure by drop and create as well as adding checks for existence and inserting databaseOwner and objectQualifier placeholders.
Cheers from Germany,
Sebastian Leupold

dnnWerk - The DotNetNuke Experts   German Spoken DotNetNuke User Group

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