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/SQL/SQLite load extension
Required plugins for this example: MBS SQL Plugin
You find this example project in your Plugins Download as a Xojo project file within the examples folder: /SQL/SQLite load extension
This example is the version from Sat, 27th Sep 2019.
Project "SQLite load extension.xojo_binary_project"
Class App Inherits Application
Const kEditClear = "&Löschen"
Const kFileQuit = "Beenden"
Const kFileQuitShortcut = ""
EventHandler Sub Open() // use internal sqlite library call InternalSQLiteLibraryMBS.Use dim con as SQLConnectionMBS dim cmd as SQLCommandMBS try con = new SQLConnectionMBS // connection object // where is the library? 'con.Option(con.kOptionLibrarySQLite) = "/usr/lib/libsqlite3.0.dylib" // connect to database dim path as string if TargetMacOS then path = "/tmp/test.db" // put the database in the temporary folder else path = "c:\test.db" // for Windows and Linux in the current folder the application is inside. end if con.Connect(path,"","",SQLConnectionMBS.kSQLiteClient) // associate a command with connection // connection can also be specified in SACommand constructor 'cmd.Connection=con con.SQLiteEnableLoadExtension(True) dim errorMessage as string Dim file As FolderItem = SpecialFolder.Desktop.Child("MBS.dylib") // an extension as FolderItem or path Dim r As Integer = con.SQLiteLoadExtension(file, errorMessage) if errorMessage <> "" then MsgBox errorMessage Return elseif r <> 0 then MsgBox "Error: "+str(r) Return end if // query version cmd = new SQLCommandMBS cmd.Connection = con cmd.setCommandText("select VersionMBS()",cmd.kCommandTypeSQLStatement) cmd.Execute while cmd.FetchNext MsgBox "Version: "+cmd.Field(1).asStringValue wend // commit changes on success con.Commit catch r as SQLErrorExceptionMBS // SAConnection::Rollback() // can also throw an exception // (if a network error for example), // we will be ready try // on error rollback changes if con<>nil then con.rollback end if catch x as SQLErrorExceptionMBS // ignore end try // show error message MsgBox r.message end try End EventHandler
End Class
Class Window1 Inherits Window
End Class
MenuBar MenuBar1
MenuItem FileMenu = "&Ablage"
MenuItem FileQuit = "#App.kFileQuit"
MenuItem EditMenu = "&Bearbeiten"
MenuItem EditUndo = "&Rückgängig"
MenuItem UntitledMenu1 = "-"
MenuItem EditCut = "&Ausschneiden"
MenuItem EditCopy = "&Kopieren"
MenuItem EditPaste = "&Einfügen"
MenuItem EditClear = "#App.kEditClear"
MenuItem UntitledMenu0 = "-"
MenuItem EditSelectAll = "&Alles auswählen"
End MenuBar
End Project

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