Merge upstream

ChangeLog/7.2.0-Z_Final.txt

@@ -0,0 +1,3 @@
+[main] Changes of Persistent objects in events Persisted/TransactionCommitting/TransactionCommitted became prohibited to prevent possible loss of changes
+[main] Memory efficiency and performance improvements of upgrade process
+[postgresql] Server-side statement timeout handled as TimeoutException

Orm/Xtensive.Orm.Tests/Storage/DataLossOnEventsPrevention/Models.cs

@@ -0,0 +1,109 @@
+// Copyright (C) 2025 Xtensive LLC.
+// This code is distributed under MIT license terms.
+// See the License.txt file in the project root for more information.
+
+namespace Xtensive.Orm.Tests.Storage.DataLossOnEventsPrevention.EntityChangeDuringPersistTestModel
+{
+  public abstract class TestBoundEntity : Entity
+  {
+    [Field, Key]
+    public int Id { get; private set; }
+
+    [Field]
+    public string TestIdentifier { get; private set; }
+
+    public TestBoundEntity(Session session, string testIdentifier)
+      : base(session)
+    {
+      TestIdentifier = testIdentifier;
+    }
+  }
+
+  [HierarchyRoot]
+  public class SimpleEntity : TestBoundEntity
+  {
+    [Field]
+    public int Value { get; set; }
+
+    public SimpleEntity(Session session, string testIdentifier)
+      : base(session, testIdentifier)
+    {
+    }
+  }
+
+  [HierarchyRoot]
+  public class NonPairedEntitySetContainer : TestBoundEntity
+  {
+    [Field]
+    public EntitySet<RefEntity> Refs { get; private set; }
+
+    public NonPairedEntitySetContainer(Session session, string testIdentifier)
+      : base(session, testIdentifier)
+    {
+    }
+  }
+
+  [HierarchyRoot]
+  public class RefEntity : TestBoundEntity
+  {
+    [Field]
+    public int Value { get; set; }
+
+    public RefEntity(Session session, string testIdentifier)
+      : base(session, testIdentifier)
+    {
+    }
+  }
+
+  [HierarchyRoot]
+  public class PairedEntitySetContainer : TestBoundEntity
+  {
+    [Field]
+    [Association(PairTo = nameof(PairedRefEntity.Container))]
+    public EntitySet<PairedRefEntity> Refs { get; private set; }
+
+    public PairedEntitySetContainer(Session session, string testIdentifier)
+      : base(session, testIdentifier)
+    {
+    }
+  }
+
+  [HierarchyRoot]
+  public class PairedRefEntity : TestBoundEntity
+  {
+    [Field]
+    public PairedEntitySetContainer Container { get; set; }
+
+    [Field]
+    public int Value { get; set; }
+
+    public PairedRefEntity(Session session, string testIdentifier)
+      : base(session, testIdentifier)
+    {
+    }
+  }
+
+  [HierarchyRoot]
+  public class NonPairedReferencingEntity : TestBoundEntity
+  {
+    [Field]
+    public NonPairedReferencedEntity Ref { get; set; }
+
+    public NonPairedReferencingEntity(Session session, string testIdentifier)
+      : base(session, testIdentifier)
+    {
+    }
+  }
+
+  [HierarchyRoot]
+  public class NonPairedReferencedEntity : TestBoundEntity
+  {
+    [Field]
+    public int Value { get; set; }
+
+    public NonPairedReferencedEntity(Session session, string testIdentifier)
+      : base(session, testIdentifier)
+    {
+    }
+  }
+}