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/SQL/PostgreSQL RecordCount
Function:
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/PostgreSQL RecordCount
This example is the version from Thu, 6th Apr 2016.
Project "PostgreSQL RecordCount.rbp"
Class App Inherits Application
Const kEditClear = "&Löschen"
Const kFileQuit = "Beenden"
Const kFileQuitShortcut = ""
EventHandler Sub Open() Dim db as new SQLConnectionMBS dim server as string = "127.0.0.1,5432@TestDB" dim cmdStr as string = "SELECT recordID FROM maintable" dim f as FolderItem // where is the library? // libpq.5.2.dylib or equiv db.SetFileOption db.kOptionLibraryPostgreSQL, FindFIle("libpq.dylib") db.Connect(server, "pstys", "pw", SQLConnectionMBS.kPostgreSQLClient) if db.isConnected then dim api as SQLAPIMBS = db.NativeAPI if api isa PostgreSQLAPIMBS then dim s as PostgreSQLAPIMBS = PostgreSQLAPIMBS(api) dim cmd as new SQLCommandMBS(db, cmdStr) try cmd.Execute dim n as integer = s.RecordCount(cmd) MsgBox "Cmd returned " + str(n) + " records and " + str(cmd.FieldCount) + " fields" catch r as RuntimeException MsgBox r.message end try // x=s.RecordCount(command) end if else MsgBox "The connection failed." end if db.Disconnect End EventHandler
Function FindFile(name as string) As FolderItem // Look for file in parent folders from executable on dim parent as FolderItem = app.ExecutableFile.Parent while parent<>Nil dim file as FolderItem = parent.Child(name) if file<>Nil and file.Exists then Return file end if parent = parent.Parent wend End Function
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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The items on this page are in the following plugins: MBS SQL Plugin.




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