Fixing an issue with raven documents not being exported

Raven.Database/DocumentDatabase.cs

@@ -558,7 +558,10 @@ public JArray GetDocuments(int start, int pageSize, Guid? etag)
                 var documentRetriever = new DocumentRetriever(actions, ReadTriggers);
                 foreach (var doc in documents.Take(pageSize))
                 {
-                    var document = documentRetriever.ExecuteReadTriggers(doc, null, ReadOperation.Query);
+                    var document = documentRetriever.ExecuteReadTriggers(doc, null,
+						// here we want to have the Load semantic, not Query, because we need this to be
+						// as close as possible to the full database contents
+						ReadOperation.Load); 
                     if (document == null)
                         continue;
                     if (document.Metadata.Property("@id") == null)

Raven.Smuggler/Smuggler.cs

@@ -56,7 +56,7 @@ Optional arguments (after required arguments):
             }
         }
 
-        private static void ExportData(string instanceUrl, string file, bool exportIndexesOnly)
+    	public static void ExportData(string instanceUrl, string file, bool exportIndexesOnly)
         {
             using (var streamWriter = new StreamWriter(new GZipStream(File.Create(file), CompressionMode.Compress)))
             {

Raven.Tests/Bugs/HiLoServerKeysNotExported.cs

@@ -0,0 +1,90 @@
+using System;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using Raven.Client.Document;
+using Raven.Client.Indexes;
+using Raven.Database;
+using Raven.Server;
+using Xunit;
+
+namespace Raven.Tests.Bugs
+{
+    public class HiLoServerKeysNotExported : IDisposable
+    {
+        private DocumentStore documentStore;
+        private RavenDbServer server;
+
+        public HiLoServerKeysNotExported()
+        {
+            CreateServer(true);
+
+
+        }
+
+        private void CreateServer(bool initDocStore = false)
+        {
+            if (Directory.Exists("HiLoData")) Directory.Delete("HiLoData", true);
+            server = new RavenDbServer(new RavenConfiguration { Port = 8080, DataDirectory = "HiLoData", RunInUnreliableYetFastModeThatIsNotSuitableForProduction = true });
+
+            if (initDocStore) {
+                documentStore = new DocumentStore() { Url = "http://localhost:8080/" };
+                documentStore.Initialize();
+            }
+        }
+
+        [Fact]
+        public void Export_And_Import_Retains_HiLoState()
+        {
+            using (var session = documentStore.OpenSession()) {
+                var foo = new Foo() { Something = "something2" };
+                Assert.Null(foo.Id);
+                session.Store(foo);
+                Assert.NotNull(foo.Id);
+                session.SaveChanges();
+            }
+
+            if (File.Exists("hilo-export.dump"))
+				File.Delete("hilo-export.dump");
+			Smuggler.Smuggler.ExportData("http://localhost:8080/", "hilo-export.dump", false);
+			Assert.True(File.Exists("hilo-export.dump"));
+
+            using (var session = documentStore.OpenSession()) {
+                var hilo = session.Load<HiLoKey>("Raven/Hilo/foos");
+                Assert.NotNull(hilo);
+                Assert.Equal(2, hilo.ServerHi);
+            }
+
+            server.Dispose();
+            CreateServer();
+
+			Smuggler.Smuggler.ImportData("http://localhost:8080/", "hilo-export.dump");
+
+            using (var session = documentStore.OpenSession()) {
+                var hilo = session.Load<HiLoKey>("Raven/Hilo/foos");
+                Assert.NotNull(hilo);
+				Assert.Equal(2, hilo.ServerHi);
+			}
+        }
+
+        public class Foo
+        {
+            public string Id { get; set; }
+            public string Something { get; set; }
+        }
+
+        private class HiLoKey
+        {
+            public long ServerHi { get; set; }
+
+        }
+
+        public void Dispose()
+        {
+            documentStore.Dispose();
+            server.Dispose();
+            if (Directory.Exists("HiLoData")) Directory.Delete("HiLoData", true);
+        }
+
+    }
+}

Raven.Tests/Raven.Tests.csproj

@@ -100,6 +100,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Bugs\HierarchicalData.cs" />
+    <Compile Include="Bugs\HiLoServerKeysNotExported.cs" />
     <Compile Include="Bugs\IndexingBehavior.cs" />
     <Compile Include="Bugs\OverwriteDocuments.cs" />
     <Compile Include="Bugs\ReadDataFromServer.cs" />