added support for removing columns

NzbDrone.Core.Test/Datastore/SQLiteAlterFixture.cs

@@ -1,49 +0,0 @@
-using System.Linq;
-using FluentAssertions;
-using NUnit.Framework;
-using NzbDrone.Core.Datastore;
-using NzbDrone.Core.Datastore.Migration.Framework;
-using NzbDrone.Core.Test.Framework;
-
-namespace NzbDrone.Core.Test.Datastore
-{
-    [TestFixture]
-    public class SQLiteAlterFixture : DbTest
-    {
-        private SQLiteAlter Subject;
-
-        [SetUp]
-        public void SetUp()
-        {
-            var connection = Mocker.Resolve<IDatabase>().DataMapper.ConnectionString;
-            Subject = new SQLiteAlter(connection);
-        }
-
-
-
-        [Test]
-        public void should_parse_existing_columns()
-        {
-            var columns = Subject.GetColumns("Series");
-
-            columns.Should().NotBeEmpty();
-
-            columns.Values.Should().NotContain(c => string.IsNullOrWhiteSpace(c.Name));
-            columns.Values.Should().NotContain(c => string.IsNullOrWhiteSpace(c.Schema));
-        }
-
-        [Test]
-        public void should_create_table_from_column_list()
-        {
-            var columns = Subject.GetColumns("Series");
-            columns.Remove("Title");
-
-            Subject.CreateTable("Series_New", columns.Values);
-
-            var newColumns = Subject.GetColumns("Series_New");
-
-            newColumns.Values.Should().HaveSameCount(columns.Values);
-            newColumns.Should().NotContainKey("Title");
-        }
-    }
-}

NzbDrone.Core.Test/Datastore/SQLiteMigrationHelperFixture.cs

@@ -0,0 +1,84 @@
+using FizzWare.NBuilder;
+using FluentAssertions;
+using NUnit.Framework;
+using NzbDrone.Core.Datastore.Migration.Framework;
+using NzbDrone.Core.Test.Framework;
+using NzbDrone.Core.Tv;
+
+namespace NzbDrone.Core.Test.Datastore
+{
+    [TestFixture]
+    public class SQLiteMigrationHelperFixture : DbTest
+    {
+        private SQLiteMigrationHelper _subject;
+
+        [SetUp]
+        public void SetUp()
+        {
+            _subject = Mocker.Resolve<SQLiteMigrationHelper>();
+        }
+
+
+
+        [Test]
+        public void should_parse_existing_columns()
+        {
+            var columns = _subject.GetColumns("Series");
+
+            columns.Should().NotBeEmpty();
+
+            columns.Values.Should().NotContain(c => string.IsNullOrWhiteSpace(c.Name));
+            columns.Values.Should().NotContain(c => string.IsNullOrWhiteSpace(c.Schema));
+        }
+
+        [Test]
+        public void should_create_table_from_column_list()
+        {
+            var columns = _subject.GetColumns("Series");
+            columns.Remove("Title");
+
+            _subject.CreateTable("Series_New", columns.Values);
+
+            var newColumns = _subject.GetColumns("Series_New");
+
+            newColumns.Values.Should().HaveSameCount(columns.Values);
+            newColumns.Should().NotContainKey("Title");
+        }
+
+        [Test]
+        public void should_get_zero_count_on_empty_table()
+        {
+            _subject.GetRowCount("Series").Should().Be(0);
+        }
+
+
+        [Test]
+        public void should_be_able_to_transfer_empty_tables()
+        {
+            var columns = _subject.GetColumns("Series");
+            columns.Remove("Title");
+
+            _subject.CreateTable("Series_New", columns.Values);
+
+
+            _subject.CopyData("Series", "Series_New", columns.Values);
+        }
+
+        [Test]
+        public void should_transfer_table_with_data()
+        {
+            var originalEpisodes = Builder<Episode>.CreateListOfSize(10).BuildListOfNew();
+
+            Mocker.Resolve<EpisodeRepository>().InsertMany(originalEpisodes);
+
+            var columns = _subject.GetColumns("Episodes");
+            columns.Remove("Title");
+
+            _subject.CreateTable("Episodes_New", columns.Values);
+
+            _subject.CopyData("Episodes", "Episodes_New", columns.Values);
+
+            _subject.GetRowCount("Episodes_New").Should().Be(originalEpisodes.Count);
+        }
+    }
+}

NzbDrone.Core.Test/Framework/DbTest.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using FluentMigrator.Runner;
 using Marr.Data;
 using Moq;
 using NUnit.Framework;
@@ -93,10 +94,16 @@ namespace NzbDrone.Core.Test.Framework
             WithTempAsAppPath();
 
 
+            Mocker.SetConstant<IAnnouncer>(Mocker.Resolve<MigrationLogger>());
+            Mocker.SetConstant<IConnectionStringFactory>(Mocker.Resolve<ConnectionStringFactory>());
+            Mocker.SetConstant<ISQLiteMigrationHelper>(Mocker.Resolve<SQLiteMigrationHelper>());
+            Mocker.SetConstant<ISQLiteAlter>(Mocker.Resolve<SQLiteAlter>());
+            Mocker.SetConstant<IMigrationController>(Mocker.Resolve<MigrationController>());
+
             MapRepository.Instance.EnableTraceLogging = true;
 
-            var factory = new DbFactory(new MigrationController(new MigrationLogger(TestLogger)), Mocker.GetMock<IAppDirectoryInfo>().Object);
-            _database = factory.Create(MigrationType);
+            var factory = Mocker.Resolve<DbFactory>();
+            var _database = factory.Create(MigrationType);
             _db = new TestDatabase(_database);
             Mocker.SetConstant(_database);
         }

NzbDrone.Core.Test/NzbDrone.Core.Test.csproj

@@ -124,7 +124,7 @@
     <Compile Include="Datastore\PagingSpecExtenstionsTests\ToSortDirectionFixture.cs" />
     <Compile Include="Datastore\PagingSpecExtenstionsTests\PagingOffsetFixture.cs" />
     <Compile Include="Datastore\ReflectionStrategyFixture\Benchmarks.cs" />
-    <Compile Include="Datastore\SQLiteAlterFixture.cs" />
+    <Compile Include="Datastore\SQLiteMigrationHelperFixture.cs" />
     <Compile Include="DecisionEngineTests\NotRestrictedNzbSpecificationFixture.cs" />
     <Compile Include="Download\DownloadApprovedReportsTests\DownloadApprovedFixture.cs" />
     <Compile Include="Download\DownloadApprovedReportsTests\GetQualifiedReportsFixture.cs" />

NzbDrone.Core/Datastore/ConnectionStringFactory.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Data.SQLite;
+using NzbDrone.Common;
+using NzbDrone.Common.EnvironmentInfo;
+
+namespace NzbDrone.Core.Datastore
+{
+    public interface IConnectionStringFactory
+    {
+        string MainDbConnectionString { get; }
+        string LogDbConnectionString { get; }
+    }
+
+    public class ConnectionStringFactory : IConnectionStringFactory
+    {
+        public ConnectionStringFactory(IAppDirectoryInfo appDirectoryInfo)
+        {
+            MainDbConnectionString = GetConnectionString(appDirectoryInfo.GetNzbDroneDatabase());
+            LogDbConnectionString = GetConnectionString(appDirectoryInfo.GetLogDatabase());
+        }
+
+        public string MainDbConnectionString { get; private set; }
+        public string LogDbConnectionString { get; private set; }
+
+        private static string GetConnectionString(string dbPath)
+        {
+            var connectionBuilder = new SQLiteConnectionStringBuilder();
+
+            connectionBuilder.DataSource = dbPath;
+            connectionBuilder.CacheSize = (int)-10.Megabytes();
+            connectionBuilder.DateTimeKind = DateTimeKind.Utc;
+            connectionBuilder.JournalMode = SQLiteJournalModeEnum.Wal;
+
+            return connectionBuilder.ConnectionString;
+        }
+    }
+}

NzbDrone.Core/Datastore/DbFactory.cs

@@ -3,10 +3,8 @@ using System.Data.SQLite;
 using Marr.Data;
 using Marr.Data.Reflection;
 using NzbDrone.Common.Composition;
-using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Messaging;
 using NzbDrone.Core.Datastore.Migration.Framework;
-using NzbDrone.Common;
 using NzbDrone.Core.Instrumentation;
 
 
@@ -17,10 +15,11 @@ namespace NzbDrone.Core.Datastore
         IDatabase Create(MigrationType migrationType = MigrationType.Main);
     }
 
+
     public class DbFactory : IDbFactory
     {
         private readonly IMigrationController _migrationController;
-        private readonly IAppDirectoryInfo _appDirectoryInfo;
+        private readonly IConnectionStringFactory _connectionStringFactory;
 
         static DbFactory()
         {
@@ -39,26 +38,27 @@ namespace NzbDrone.Core.Datastore
             });
         }
 
-        public DbFactory(IMigrationController migrationController, IAppDirectoryInfo appDirectoryInfo)
+        public DbFactory(IMigrationController migrationController, IConnectionStringFactory connectionStringFactory)
         {
             _migrationController = migrationController;
-            _appDirectoryInfo = appDirectoryInfo;
+            _connectionStringFactory = connectionStringFactory;
         }
 
         public IDatabase Create(MigrationType migrationType = MigrationType.Main)
         {
-            string dbPath;
+            string connectionString;
+
 
             switch (migrationType)
             {
                 case MigrationType.Main:
                     {
-                        dbPath = _appDirectoryInfo.GetNzbDroneDatabase();
+                        connectionString = _connectionStringFactory.MainDbConnectionString;
                         break;
                     }
                 case MigrationType.Log:
                     {
-                        dbPath = _appDirectoryInfo.GetLogDatabase();
+                        connectionString = _connectionStringFactory.LogDbConnectionString;
                         break;
                     }
                 default:
@@ -68,7 +68,6 @@ namespace NzbDrone.Core.Datastore
             }
 
 
-            var connectionString = GetConnectionString(dbPath);
 
             _migrationController.MigrateToLatest(connectionString, migrationType);
 
@@ -82,17 +81,5 @@ namespace NzbDrone.Core.Datastore
                     return dataMapper;
                 });
         }
-
-        private string GetConnectionString(string dbPath)
-        {
-            var connectionBuilder = new SQLiteConnectionStringBuilder();
-
-            connectionBuilder.DataSource = dbPath;
-            connectionBuilder.CacheSize = (int)-10.Megabytes();
-            connectionBuilder.DateTimeKind = DateTimeKind.Utc;
-            connectionBuilder.JournalMode = SQLiteJournalModeEnum.Wal;
-
-            return connectionBuilder.ConnectionString;
-        }
     }
 }

NzbDrone.Core/Datastore/Migration/007_remove_backlog.cs

@@ -3,24 +3,13 @@ using NzbDrone.Core.Datastore.Migration.Framework;
 
 namespace NzbDrone.Core.Datastore.Migration
 {
-/*    [Tags("")]
+    [Tags("")]
     [Migration(7)]
     public class remove_backlog : NzbDroneMigrationBase
     {
         protected override void MainDbUpgrade()
         {
-            var newSeriesTable = "CREATE TABLE [Series_new] ([Id] integer NOT NULL PRIMARY KEY AUTOINCREMENT, [TvdbId] integer NOT NULL, " +
-                                 "[TvRageId] integer NOT NULL, [ImdbId] text NOT NULL, [Title] text NOT NULL, [TitleSlug] text NOT NULL, " +
-                                 "[CleanTitle] text NOT NULL, [Status] integer NOT NULL, [Overview] text, [AirTime] text, " +
-                                 "[Images] text NOT NULL, [Path] text NOT NULL, [Monitored] integer NOT NULL, [QualityProfileId] integer NOT NULL, " +
-                                 "[SeasonFolder] integer NOT NULL, [LastInfoSync] datetime, [LastDiskSync] datetime, [Runtime] integer NOT NULL, " +
-                                 "[SeriesType] integer NOT NULL, [Network] text, [CustomStartDate] datetime, " +
-                                 "[UseSceneNumbering] integer NOT NULL, [FirstAired] datetime)";
-
-            Execute.Sql(newSeriesTable);
-
-
-            Execute.Sql("INSERT INTO Series_new SELECT * FROM Series");
+            SQLiteAlter.DropColumns("Series", new[] { "BacklogSetting" });
+        }
     }
-    }*/
 }

NzbDrone.Core/Datastore/Migration/Framework/MigrationContext.cs

@@ -0,0 +1,8 @@
+namespace NzbDrone.Core.Datastore.Migration.Framework
+{
+    public class MigrationContext
+    {
+        public MigrationType MigrationType { get; set; }
+        public ISQLiteAlter SQLiteAlter { get; set; }
+    }
+}

NzbDrone.Core/Datastore/Migration/Framework/MigrationController.cs

@@ -14,12 +14,14 @@ namespace NzbDrone.Core.Datastore.Migration.Framework
     public class MigrationController : IMigrationController
     {
         private readonly IAnnouncer _announcer;
+        private readonly ISQLiteAlter _sqLiteAlter;
 
         private static readonly HashSet<string> MigrationCache = new HashSet<string>();
 
-        public MigrationController(IAnnouncer announcer)
+        public MigrationController(IAnnouncer announcer, ISQLiteAlter sqLiteAlter)
         {
             _announcer = announcer;
+            _sqLiteAlter = sqLiteAlter;
         }
 
         public void MigrateToLatest(string connectionString, MigrationType migrationType)
@@ -35,7 +37,11 @@ namespace NzbDrone.Core.Datastore.Migration.Framework
                 var migrationContext = new RunnerContext(_announcer)
                     {
                         Namespace = "NzbDrone.Core.Datastore.Migration",
-                        ApplicationContext = migrationType
+                        ApplicationContext = new MigrationContext
+                            {
+                                MigrationType = migrationType,
+                                SQLiteAlter = _sqLiteAlter
+                            }
                     };
 
                 var options = new MigrationOptions { PreviewOnly = false, Timeout = 60 };

NzbDrone.Core/Datastore/Migration/Framework/NzbDroneMigrationBase.cs

@@ -14,7 +14,11 @@ namespace NzbDrone.Core.Datastore.Migration.Framework
 
         public override void Up()
         {
-            switch ((MigrationType)ApplicationContext)
+            var context = (MigrationContext)ApplicationContext;
+
+            SQLiteAlter = context.SQLiteAlter;
+
+            switch (context.MigrationType)
             {
                 case MigrationType.Main:
                     MainDbUpgrade();
@@ -29,6 +33,7 @@ namespace NzbDrone.Core.Datastore.Migration.Framework
             }
         }
 
+        public ISQLiteAlter SQLiteAlter { get; private set; }
 
         public override void Down()
         {

NzbDrone.Core/Datastore/Migration/Framework/SQLiteMigrationHelper.cs

@@ -0,0 +1,134 @@
+using System;
+using System.Collections.Generic;
+using System.Data.SQLite;
+using System.Linq;
+using System.Text.RegularExpressions;
+
+namespace NzbDrone.Core.Datastore.Migration.Framework
+{
+    public interface ISQLiteMigrationHelper
+    {
+        Dictionary<String, SQLiteMigrationHelper.SQLiteColumn> GetColumns(string tableName);
+        void CreateTable(string tableName, IEnumerable<SQLiteMigrationHelper.SQLiteColumn> values);
+        void CopyData(string sourceTable, string destinationTable, IEnumerable<SQLiteMigrationHelper.SQLiteColumn> columns);
+        int GetRowCount(string tableName);
+        void DropTable(string tableName);
+        void RenameTable(string tableName, string newName);
+        SQLiteTransaction BeginTransaction();
+    }
+
+    public class SQLiteMigrationHelper : ISQLiteMigrationHelper
+    {
+        private readonly SQLiteConnection _connection;
+
+        private static readonly Regex SchemaRegex = new Regex(@"['\""\[](?<name>\w+)['\""\]]\s(?<schema>[\w-\s]+)",
+            RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Multiline);
+
+        public SQLiteMigrationHelper(IConnectionStringFactory connectionStringFactory)
+        {
+            _connection = new SQLiteConnection(connectionStringFactory.MainDbConnectionString);
+            _connection.Open();
+        }
+
+        private string GetOriginalSql(string tableName)
+        {
+            var command =
+                new SQLiteCommand(string.Format("SELECT sql FROM sqlite_master WHERE type='table' AND name ='{0}'",
+                                                tableName));
+
+            command.Connection = _connection;
+            return (string)command.ExecuteScalar();
+        }
+
+        public Dictionary<String, SQLiteColumn> GetColumns(string tableName)
+        {
+            var originalSql = GetOriginalSql(tableName);
+
+            var matches = SchemaRegex.Matches(originalSql);
+
+            return matches.Cast<Match>().ToDictionary(
+                               match => match.Groups["name"].Value.Trim(),
+                               match => new SQLiteColumn
+                                   {
+                                       Name = match.Groups["name"].Value.Trim(),
+                                       Schema = match.Groups["schema"].Value.Trim()
+                                   });
+        }
+
+        public void CreateTable(string tableName, IEnumerable<SQLiteColumn> values)
+        {
+            var columns = String.Join(",", values.Select(c => c.ToString()));
+
+            var command = new SQLiteCommand(string.Format("CREATE TABLE [{0}] ({1})", tableName, columns));
+            command.Connection = _connection;
+
+            command.ExecuteNonQuery();
+        }
+
+        public void CopyData(string sourceTable, string destinationTable, IEnumerable<SQLiteColumn> columns)
+        {
+            var originalCount = GetRowCount(sourceTable);
+
+            var columnsToTransfer = String.Join(",", columns.Select(c => c.Name));
+
+            var transferCommand = BuildCommand("INSERT INTO {0} SELECT {1} FROM {2};", destinationTable, columnsToTransfer, sourceTable);
+
+            transferCommand.ExecuteNonQuery();
+
+            var transferredRows = GetRowCount(destinationTable);
+
+
+            if (transferredRows != originalCount)
+            {
+                throw new ApplicationException(string.Format("Expected {0} rows to be copied from [{1}] to [{2}]. But only copied {3}", originalCount, sourceTable, destinationTable, transferredRows));
+            }
+        }
+
+
+        public void DropTable(string tableName)
+        {
+            var dropCommand = BuildCommand("DROP TABLE {0};", tableName);
+            dropCommand.ExecuteNonQuery();
+        }
+
+
+        public void RenameTable(string tableName, string newName)
+        {
+            var renameCommand = BuildCommand("ALTER TABLE {0} RENAME TO {1};", tableName, newName);
+            renameCommand.ExecuteNonQuery();
+        }
+
+        public int GetRowCount(string tableName)
+        {
+            var countCommand = BuildCommand("SELECT COUNT(*) FROM {0};", tableName);
+            return Convert.ToInt32(countCommand.ExecuteScalar());
+        }
+
+
+        public SQLiteTransaction BeginTransaction()
+        {
+            return _connection.BeginTransaction();
+        }
+
+        private SQLiteCommand BuildCommand(string format, params string[] args)
+        {
+            var command = new SQLiteCommand(string.Format(format, args));
+            command.Connection = _connection;
+            return command;
+        }
+
+
+        public class SQLiteColumn
+        {
+            public string Name { get; set; }
+            public string Schema { get; set; }
+
+            public override string ToString()
+            {
+                return string.Format("[{0}] {1}", Name, Schema);
+            }
+        }
+    }
+
+
+}

NzbDrone.Core/Datastore/Migration/Framework/SqliteAlter.cs

@@ -1,69 +1,42 @@
-using System;
-using System.Collections.Generic;
-using System.Data.SQLite;
+using System.Collections.Generic;
 using System.Linq;
-using System.Text.RegularExpressions;
-using FluentMigrator.Builders.Execute;
 
 namespace NzbDrone.Core.Datastore.Migration.Framework
 {
-    public class SQLiteAlter
+    public interface ISQLiteAlter
     {
-        private readonly SQLiteConnection _connection;
-
-        private static readonly Regex SchemaRegex = new Regex(@"[\""\[](?<name>\w+)[\""\]]\s(?<schema>[\w-\s]+)",
-            RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Multiline);
-
-        public SQLiteAlter(string connectionString)
-        {
-            _connection = new SQLiteConnection(connectionString);
-            _connection.Open();
+        void DropColumns(string tableName, IEnumerable<string> columns);
     }
 
-        private string GetOriginalSql(string tableName)
+    public class SQLiteAlter : ISQLiteAlter
     {
-            var command =
-                new SQLiteCommand(string.Format("SELECT sql FROM sqlite_master WHERE type='table' AND name ='{0}'",
-                                                tableName));
+        private readonly ISQLiteMigrationHelper _sqLiteMigrationHelper;
 
-            command.Connection = _connection;
-            return (string)command.ExecuteScalar();
+        public SQLiteAlter(ISQLiteMigrationHelper sqLiteMigrationHelper)
+        {
+            _sqLiteMigrationHelper = sqLiteMigrationHelper;
         }
 
-        public Dictionary<String, SQLiteColumn> GetColumns(string tableName)
+        public void DropColumns(string tableName, IEnumerable<string> columns)
         {
-            var originalSql = GetOriginalSql(tableName);
+            using (var transaction = _sqLiteMigrationHelper.BeginTransaction())
+            {
+                var originalColumns = _sqLiteMigrationHelper.GetColumns(tableName);
 
-            var matches = SchemaRegex.Matches(originalSql);
+                var newColumns = originalColumns.Where(c => !columns.Contains(c.Key)).Select(c => c.Value).ToList();
 
-            return matches.Cast<Match>().ToDictionary(
-                               match => match.Groups["name"].Value.Trim(),
-                               match => new SQLiteColumn
-                                   {
-                                       Name = match.Groups["name"].Value.Trim(),
-                                       Schema = match.Groups["schema"].Value.Trim()
-                                   });
-        }
+                var tempTableName = tableName + "_temp";
 
-        public void CreateTable(string tableName, Dictionary<string, SQLiteColumn>.ValueCollection values)
-        {
-            var columns = String.Join(",", values.Select(c => c.ToString()));
+                _sqLiteMigrationHelper.CreateTable(tempTableName, newColumns);
 
-            var command = new SQLiteCommand(string.Format("CREATE TABLE [{0}] ({1})", tableName, columns));
-            command.Connection = _connection;
+                _sqLiteMigrationHelper.CopyData(tableName, tempTableName, newColumns);
 
-            command.ExecuteNonQuery();
-        }
-    }
+                _sqLiteMigrationHelper.DropTable(tableName);
 
-    public class SQLiteColumn
-    {
-        public string Name { get; set; }
-        public string Schema { get; set; }
+                _sqLiteMigrationHelper.RenameTable(tempTableName, tableName);
 
-        public override string ToString()
-        {
-            return string.Format("[{0}] {1}", Name, Schema);
+                transaction.Commit();
+            }
         }
     }
 }

NzbDrone.Core/NzbDrone.Core.csproj

@@ -194,6 +194,7 @@
     <Compile Include="DataAugmentation\Scene\SceneMappingRepository.cs" />
     <Compile Include="DataAugmentation\Scene\UpdateSceneMappingCommand.cs" />
     <Compile Include="Datastore\CachedBasicRepository.cs" />
+    <Compile Include="Datastore\ConnectionStringFactory.cs" />
     <Compile Include="Datastore\Converters\BooleanIntConverter.cs" />
     <Compile Include="Datastore\Converters\QualityIntConverter.cs" />
     <Compile Include="Datastore\Converters\Int32Converter.cs" />
@@ -213,6 +214,7 @@
     <Compile Include="Datastore\Migration\006_add_index_to_log_time.cs" />
     <Compile Include="Datastore\Migration\007_add_renameEpisodes_to_naming.cs" />
     <Compile Include="Datastore\Migration\007_remove_backlog.cs" />
+    <Compile Include="Datastore\Migration\Framework\MigrationContext.cs" />
     <Compile Include="Datastore\Migration\Framework\MigrationController.cs" />
     <Compile Include="Datastore\Migration\Framework\MigrationExtension.cs" />
     <Compile Include="Datastore\Migration\Framework\MigrationOptions.cs" />
@@ -220,7 +222,8 @@
     <Compile Include="Datastore\Migration\001_initialSetup.cs" />
     <Compile Include="Datastore\Migration\Framework\NzbDroneMigrationBase.cs" />
     <Compile Include="Datastore\MigrationType.cs" />
-    <Compile Include="Datastore\Migration\Framework\SqliteAlter.cs" />
+    <Compile Include="Datastore\Migration\Framework\SQLiteAlter.cs" />
+    <Compile Include="Datastore\Migration\Framework\SQLiteMigrationHelper.cs" />
     <Compile Include="Datastore\ModelBase.cs" />
     <Compile Include="Datastore\BasicRepository.cs" />
     <Compile Include="Datastore\PagingSpec.cs" />