From f6d5733992b7b0554f3001a987700f69062d5118 Mon Sep 17 00:00:00 2001
From: Kevin Matsubara <kevin.matsubara@proton.me>
Date: Mon, 14 Apr 2025 21:49:44 +0200
Subject: [PATCH] Add example with transaction security with save points.

---
 EntityFrameworkCore.Console/Program.cs | 50 ++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/EntityFrameworkCore.Console/Program.cs b/EntityFrameworkCore.Console/Program.cs
index bb07364..2ddd15e 100644
--- a/EntityFrameworkCore.Console/Program.cs
+++ b/EntityFrameworkCore.Console/Program.cs
@@ -23,6 +23,56 @@ context.Database.EnsureCreated();
 // var firstCoach = await context.Coaches.FirstOrDefaultAsync();
 
 
+async Task TransactionWithSavepoint()
+{
+  var transaction = context.Database.BeginTransaction();
+
+  var league = new League
+  {
+    Name = "Geosphere league"
+  };
+
+  context.Add(league);
+  context.SaveChanges();
+
+  transaction.CreateSavepoint("CreatedLeague");
+
+  var coach = new Coach
+  {
+    Name = "Brad Ironfist"
+  };
+
+  context.Add(coach);
+  context.SaveChanges();
+
+  var teams = new List<Team>
+  {
+    new Team
+    {
+      Name = "Dominators",
+      LeagueId = league.Id,
+      CoachId = coach.Id
+    }
+  };
+
+  context.AddRange(teams);
+  context.SaveChanges();
+
+  try
+  {
+    transaction.Commit();
+  }
+  catch (Exception)
+  {
+    // Rollback everything.
+    //transaction.Rollback();
+
+    // Or rollback to a specific save point.
+    transaction.RollbackToSavepoint("CreatedLeague");
+    throw;
+  }
+}
+
 async Task UserDefinedQuery()
 {
   var earliestMatch = context.GetEarliestTeamMatch(1);