Platforms to show: All Mac Windows Linux Cross-Platform
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 API
This example is the version from Tue, 11th Nov 2019.
Project "PostgreSQL API.xojo_binary_project"
Class App Inherits Application
Const kEditClear = "&Löschen"
Const kFileQuit = "Beenden"
Const kFileQuitShortcut = ""
EventHandler Sub Open()
dim con as new SQLConnectionMBS
try
// where is the library?
con.SetFileOption con.kOptionLibraryPostgreSQL, FindFile("libpq.dylib")
// connect to database
con.Connect("127.0.0.1,5432@TestDB","name","pass",SQLConnectionMBS.kPostgreSQLClient)
dim api as SQLAPIMBS = con.NativeAPI
if api isa PostgreSQLAPIMBS then
dim s as PostgreSQLAPIMBS = PostgreSQLAPIMBS(api)
MsgBox s.User
// x=s.RecordCount(command)
end if
// Disconnect is optional
// autodisconnect will ocur in destructor if needed
con.Disconnect
catch r as RuntimeException
MsgBox r.message
// SAConnection::Rollback()
// can also throw an exception
// (if a network error for example),
// we will be ready
try
// on error rollback changes
con.Rollback
catch rr as runtimeexception
MsgBox rr.message
end try
end try
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
See also:
The items on this page are in the following plugins: MBS SQL Plugin.
