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Fixed: All migrations are now transactional and will rollback if failed

This commit is contained in:
Taloth Saldono 2014-08-25 23:29:37 +02:00 committed by Mark McDowall
parent 2be35dfc37
commit b9623957fd
32 changed files with 842 additions and 652 deletions
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142
src/NzbDrone.Core.Test/Datastore/SQLiteMigrationHelperTests/AlterFixture.cs
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@ -1,142 +0,0 @@
using System.Collections.Generic;
using FizzWare.NBuilder;
using FluentAssertions;
using NUnit.Framework;
using NzbDrone.Core.Datastore.Migration.Framework;
using NzbDrone.Core.Test.Framework;
using NzbDrone.Core.Tv;
using System.Linq;
using NzbDrone.Test.Common;
namespace NzbDrone.Core.Test.Datastore.SQLiteMigrationHelperTests
{
[TestFixture]
public class AlterFixture : 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, new List<SQLiteIndex>());
var newColumns = _subject.GetColumns("Series_New");
newColumns.Values.Should().HaveSameCount(columns.Values);
newColumns.Should().NotContainKey("Title");
}
[Test]
public void should_be_able_to_transfer_empty_tables()
{
var columns = _subject.GetColumns("Series");
var indexes = _subject.GetIndexes("Series");
columns.Remove("Title");
_subject.CreateTable("Series_New", columns.Values, indexes);
_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");
var indexes = _subject.GetIndexes("Episodes");
columns.Remove("Title");
_subject.CreateTable("Episodes_New", columns.Values, indexes);
_subject.CopyData("Episodes", "Episodes_New", columns.Values);
_subject.GetRowCount("Episodes_New").Should().Be(originalEpisodes.Count);
}
[Test]
public void should_read_existing_indexes()
{
var indexes = _subject.GetIndexes("QualityDefinitions");
indexes.Should().NotBeEmpty();
indexes.Should().OnlyContain(c => c != null);
indexes.Should().OnlyContain(c => !string.IsNullOrWhiteSpace(c.Column));
indexes.Should().OnlyContain(c => c.Table == "QualityDefinitions");
indexes.Should().OnlyContain(c => c.Unique);
}
[Test]
public void should_add_indexes_when_creating_new_table()
{
var columns = _subject.GetColumns("QualityDefinitions");
var indexes = _subject.GetIndexes("QualityDefinitions");
_subject.CreateTable("QualityDefinitionsB", columns.Values, indexes);
var newIndexes = _subject.GetIndexes("QualityDefinitionsB");
newIndexes.Should().HaveSameCount(indexes);
newIndexes.Select(c=>c.Column).Should().BeEquivalentTo(indexes.Select(c=>c.Column));
}
[Test]
public void should_be_able_to_create_table_with_new_indexes()
{
var columns = _subject.GetColumns("Series");
columns.Remove("Title");
_subject.CreateTable("Series_New", columns.Values, new List<SQLiteIndex>{new SQLiteIndex{Column = "AirTime", Table = "Series_New", Unique = true}});
var newColumns = _subject.GetColumns("Series_New");
var newIndexes = _subject.GetIndexes("Series_New");
newColumns.Values.Should().HaveSameCount(columns.Values);
newIndexes.Should().Contain(i=>i.Column == "AirTime");
}
[Test]
public void should_create_indexes_with_the_same_uniqueness()
{
var columns = _subject.GetColumns("Series");
var indexes = _subject.GetIndexes("Series");
var tempIndexes = indexes.JsonClone();
tempIndexes[0].Unique = false;
tempIndexes[1].Unique = true;
_subject.CreateTable("Series_New", columns.Values, tempIndexes);
var newIndexes = _subject.GetIndexes("Series_New");
newIndexes.Should().HaveSameCount(tempIndexes);
newIndexes.ShouldAllBeEquivalentTo(tempIndexes, options => options.Excluding(o => o.IndexName).Excluding(o => o.Table));
}
}
}

41
src/NzbDrone.Core.Test/Datastore/SQLiteMigrationHelperTests/DuplicateFixture.cs
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@ -1,41 +0,0 @@
using System.Linq;
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.SQLiteMigrationHelperTests
{
[TestFixture]
public class DuplicateFixture : DbTest
{
private SqLiteMigrationHelper _subject;
[SetUp]
public void SetUp()
{
_subject = Mocker.Resolve<SqLiteMigrationHelper>();
}
[Test]
public void get_duplicates()
{
var series = Builder<Series>.CreateListOfSize(10)
.Random(3)
.With(c => c.ProfileId = 100)
.BuildListOfNew();
Db.InsertMany(series);
var duplicates = _subject.GetDuplicates<int>("series", "ProfileId").ToList();
duplicates.Should().HaveCount(1);
duplicates.First().Should().HaveCount(3);
}
}
}

84
src/NzbDrone.Core.Test/Datastore/SqliteSchemaDumperTests/SqliteSchemaDumperFixture.cs Normal file
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@ -0,0 +1,84 @@
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using FluentAssertions;
using NUnit.Framework;
using NzbDrone.Core.Datastore.Migration.Framework;
using NzbDrone.Core.Test.Framework;
namespace NzbDrone.Core.Test.Datastore.SqliteSchemaDumperTests
{
[TestFixture]
public class SqliteSchemaDumperFixture
{
public SqliteSchemaDumper Subject { get; private set; }
[SetUp]
public void Setup()
{
Subject = new SqliteSchemaDumper(null, null);
}
[TestCase(@"CREATE TABLE TestTable (MyId INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT)", "TestTable", "MyId")]
[TestCase(@"CREATE TABLE ""TestTable"" (""MyId"" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT)", "TestTable", "MyId")]
[TestCase(@"CREATE TABLE [TestTable] ([MyId] INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT)", "TestTable", "MyId")]
[TestCase(@"CREATE TABLE `TestTable` (`MyId` INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT)", "TestTable", "MyId")]
[TestCase(@"CREATE TABLE ""Test """"Table"" (""My""""Id"" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT)", "Test \"Table", "My\"Id")]
[TestCase(@"CREATE TABLE [Test Table] ([My Id] INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT)", "Test Table", "My Id")]
[TestCase(@" CREATE TABLE `Test ``Table` ( `My`` Id` INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT ) ", "Test `Table", "My` Id")]
public void should_parse_table_language_flavors(String sql, String tableName, String columnName)
{
var result = Subject.ReadTableSchema(sql);
result.Name.Should().Be(tableName);
result.Columns.Count.Should().Be(1);
result.Columns.First().Name.Should().Be(columnName);
}
[TestCase(@"CREATE INDEX TestIndex ON TestTable (MyId)", "TestIndex", "TestTable", "MyId")]
[TestCase(@"CREATE INDEX ""TestIndex"" ON ""TestTable"" (""MyId"" ASC)", "TestIndex", "TestTable", "MyId")]
[TestCase(@"CREATE INDEX [TestIndex] ON ""TestTable"" ([MyId] DESC)", "TestIndex", "TestTable", "MyId")]
[TestCase(@"CREATE INDEX `TestIndex` ON `TestTable` (`MyId` COLLATE abc ASC)", "TestIndex", "TestTable", "MyId")]
[TestCase(@"CREATE INDEX ""Test """"Index"" ON ""TestTable"" (""My""""Id"" ASC)", "Test \"Index", "TestTable", "My\"Id")]
[TestCase(@"CREATE INDEX [Test Index] ON [TestTable] ([My Id]) ", "Test Index", "TestTable", "My Id")]
[TestCase(@" CREATE INDEX `Test ``Index` ON ""TestTable"" ( `My`` Id` ASC) ", "Test `Index", "TestTable", "My` Id")]
public void should_parse_index_language_flavors(String sql, String indexName, String tableName, String columnName)
{
var result = Subject.ReadIndexSchema(sql);
result.Name.Should().Be(indexName);
result.TableName.Should().Be(tableName);
result.Columns.Count.Should().Be(1);
result.Columns.First().Name.Should().Be(columnName);
}
[TestCase(@"CREATE TABLE TestTable (MyId)")]
[TestCase(@"CREATE TABLE TestTable (MyId NOT NULL PRIMARY KEY AUTOINCREMENT)")]
[TestCase("CREATE TABLE TestTable\r\n(\t`MyId`\t NOT NULL PRIMARY KEY AUTOINCREMENT\n)")]
public void should_parse_column_attributes(String sql)
{
var result = Subject.ReadTableSchema(sql);
result.Name.Should().Be("TestTable");
result.Columns.Count.Should().Be(1);
result.Columns.First().Name.Should().Be("MyId");
result.Columns.First().Type.Should().BeNull();
}
[Test]
public void should_ignore_unknown_symbols()
{
var result = Subject.ReadTableSchema("CREATE TABLE TestTable (MyId INTEGER DEFAULT 10 CHECK (Some weir +1e3 expression), CONSTRAINT NULL, MyCol INTEGER)");
result.Name.Should().Be("TestTable");
result.Columns.Count.Should().Be(2);
result.Columns.First().Name.Should().Be("MyId");
result.Columns.First().Type.Should().Be(DbType.Int64);
result.Columns.Last().Name.Should().Be("MyCol");
result.Columns.Last().Type.Should().Be(DbType.Int64);
}
}
}

2
src/NzbDrone.Core.Test/Framework/DbTest.cs
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@ -92,8 +92,6 @@ namespace NzbDrone.Core.Test.Framework
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;

3
src/NzbDrone.Core.Test/NzbDrone.Core.Test.csproj
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@ -117,8 +117,7 @@
<Compile Include="Datastore\PagingSpecExtensionsTests\PagingOffsetFixture.cs" />
<Compile Include="Datastore\PagingSpecExtensionsTests\ToSortDirectionFixture.cs" />
<Compile Include="Datastore\ReflectionStrategyFixture\Benchmarks.cs" />
<Compile Include="Datastore\SQLiteMigrationHelperTests\AlterFixture.cs" />
<Compile Include="Datastore\SQLiteMigrationHelperTests\DuplicateFixture.cs" />
<Compile Include="Datastore\SqliteSchemaDumperTests\SqliteSchemaDumperFixture.cs" />
<Compile Include="DecisionEngineTests\AcceptableSizeSpecificationFixture.cs" />
<Compile Include="DecisionEngineTests\CutoffSpecificationFixture.cs" />
<Compile Include="DecisionEngineTests\DownloadDecisionMakerFixture.cs" />

4
src/NzbDrone.Core/Datastore/Migration/002_Remove_tvrage_imdb_unique_constraint.cs
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@ -8,8 +8,8 @@ namespace NzbDrone.Core.Datastore.Migration
{
protected override void MainDbUpgrade()
{
Execute.Sql("DROP INDEX IX_Series_TvRageId;");
Execute.Sql("DROP INDEX IX_Series_ImdbId;");
Delete.Index().OnTable("Series").OnColumn("TvRageId");
Delete.Index().OnTable("Series").OnColumn("ImdbId");
}
}
}

4
src/NzbDrone.Core/Datastore/Migration/008_remove_backlog.cs
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@ -8,8 +8,8 @@ namespace NzbDrone.Core.Datastore.Migration
{
protected override void MainDbUpgrade()
{
SqLiteAlter.DropColumns("Series", new[] { "BacklogSetting" });
SqLiteAlter.DropColumns("NamingConfig", new[] { "UseSceneName" });
Delete.Column("BacklogSetting").FromTable("Series");
Delete.Column("UseSceneName").FromTable("NamingConfig");
}
}
}

2
src/NzbDrone.Core/Datastore/Migration/009_fix_renameEpisodes.cs
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@ -8,7 +8,7 @@ namespace NzbDrone.Core.Datastore.Migration
{
protected override void MainDbUpgrade()
{
SqLiteAlter.DropColumns("NamingConfig", new[] { "SeasonFolderFormat" });
Delete.Column("SeasonFolderFormat").FromTable("NamingConfig");
Execute.Sql("UPDATE NamingConfig SET RenameEpisodes = 1 WHERE RenameEpisodes = -1");
Execute.Sql("UPDATE NamingConfig SET RenameEpisodes = 0 WHERE RenameEpisodes = -2");

4
src/NzbDrone.Core/Datastore/Migration/011_remove_ignored.cs
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@ -8,8 +8,8 @@ namespace NzbDrone.Core.Datastore.Migration
{
protected override void MainDbUpgrade()
{
SqLiteAlter.DropColumns("Episodes", new[] { "Ignored" });
SqLiteAlter.DropColumns("Seasons", new[] { "Ignored" });
Delete.Column("Ignored").FromTable("Seasons");
Delete.Column("Ignored").FromTable("Episodes");
}
}
}

2
src/NzbDrone.Core/Datastore/Migration/012_remove_custom_start_date.cs
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@ -8,7 +8,7 @@ namespace NzbDrone.Core.Datastore.Migration
{
protected override void MainDbUpgrade()
{
SqLiteAlter.DropColumns("Series", new[] { "CustomStartDate" });
Delete.Column("CustomStartDate").FromTable("Series");
}
}
}

2
src/NzbDrone.Core/Datastore/Migration/014_drop_air_date.cs
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@ -8,7 +8,7 @@ namespace NzbDrone.Core.Datastore.Migration
{
protected override void MainDbUpgrade()
{
SqLiteAlter.DropColumns("Episodes", new []{ "AirDate" });
Delete.Column("AirDate").FromTable("Episodes");
}
}
}

91
src/NzbDrone.Core/Datastore/Migration/018_remove_duplicates.cs
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@ -1,6 +1,9 @@
using FluentMigrator;
using NzbDrone.Core.Datastore.Migration.Framework;
using System.Linq;
using System.Data;
using System.Collections.Generic;
using System;
namespace NzbDrone.Core.Datastore.Migration
{
@ -9,52 +12,88 @@ namespace NzbDrone.Core.Datastore.Migration
{
protected override void MainDbUpgrade()
{
using (var transaction = MigrationHelper.BeginTransaction())
Execute.WithConnection(RemoveDuplicates);
}
private void RemoveDuplicates(IDbConnection conn, IDbTransaction tran)
{
RemoveDuplicateSeries<int>(conn, tran, "TvdbId");
RemoveDuplicateSeries<string>(conn, tran, "TitleSlug");
var duplicatedEpisodes = GetDuplicates<int>(conn, tran, "Episodes", "TvDbEpisodeId");
foreach (var duplicate in duplicatedEpisodes)
{
RemoveDuplicateSeries<int>("TvdbId");
RemoveDuplicateSeries<string>("TitleSlug");
var duplicatedEpisodes = MigrationHelper.GetDuplicates<int>("Episodes", "TvDbEpisodeId");
foreach (var duplicate in duplicatedEpisodes)
foreach (var episodeId in duplicate.OrderBy(c => c.Key).Skip(1).Select(c => c.Key))
{
foreach (var episodeId in duplicate.OrderBy(c => c.Key).Skip(1).Select(c => c.Key))
{
RemoveEpisodeRows(episodeId);
}
RemoveEpisodeRows(conn, tran, episodeId);
}
transaction.Commit();
}
}
private void RemoveDuplicateSeries<T>(string field)
private IEnumerable<IGrouping<T, KeyValuePair<int, T>>> GetDuplicates<T>(IDbConnection conn, IDbTransaction tran, string tableName, string columnName)
{
var duplicatedSeries = MigrationHelper.GetDuplicates<T>("Series", field);
var getDuplicates = conn.CreateCommand();
getDuplicates.Transaction = tran;
getDuplicates.CommandText = string.Format("select id, {0} from {1}", columnName, tableName);
var result = new List<KeyValuePair<int, T>>();
using (var reader = getDuplicates.ExecuteReader())
{
while (reader.Read())
{
result.Add(new KeyValuePair<int, T>(reader.GetInt32(0), (T)Convert.ChangeType(reader[1], typeof(T))));
}
}
return result.GroupBy(c => c.Value).Where(g => g.Count() > 1);
}
private void RemoveDuplicateSeries<T>(IDbConnection conn, IDbTransaction tran, string field)
{
var duplicatedSeries = GetDuplicates<T>(conn, tran, "Series", field);
foreach (var duplicate in duplicatedSeries)
{
foreach (var seriesId in duplicate.OrderBy(c => c.Key).Skip(1).Select(c => c.Key))
{
RemoveSeriesRows(seriesId);
RemoveSeriesRows(conn, tran, seriesId);
}
}
}
private void RemoveSeriesRows(int seriesId)
private void RemoveSeriesRows(IDbConnection conn, IDbTransaction tran, int seriesId)
{
MigrationHelper.ExecuteNonQuery("DELETE FROM Series WHERE Id = {0}", seriesId.ToString());
MigrationHelper.ExecuteNonQuery("DELETE FROM Episodes WHERE SeriesId = {0}", seriesId.ToString());
MigrationHelper.ExecuteNonQuery("DELETE FROM Seasons WHERE SeriesId = {0}", seriesId.ToString());
MigrationHelper.ExecuteNonQuery("DELETE FROM History WHERE SeriesId = {0}", seriesId.ToString());
MigrationHelper.ExecuteNonQuery("DELETE FROM EpisodeFiles WHERE SeriesId = {0}", seriesId.ToString());
var deleteCmd = conn.CreateCommand();
deleteCmd.Transaction = tran;
deleteCmd.CommandText = String.Format("DELETE FROM Series WHERE Id = {0}", seriesId.ToString());
deleteCmd.ExecuteNonQuery();
deleteCmd.CommandText = String.Format("DELETE FROM Episodes WHERE SeriesId = {0}", seriesId.ToString());
deleteCmd.ExecuteNonQuery();
deleteCmd.CommandText = String.Format("DELETE FROM Seasons WHERE SeriesId = {0}", seriesId.ToString());
deleteCmd.ExecuteNonQuery();
deleteCmd.CommandText = String.Format("DELETE FROM History WHERE SeriesId = {0}", seriesId.ToString());
deleteCmd.ExecuteNonQuery();
deleteCmd.CommandText = String.Format("DELETE FROM EpisodeFiles WHERE SeriesId = {0}", seriesId.ToString());
deleteCmd.ExecuteNonQuery();
}
private void RemoveEpisodeRows(int episodeId)
private void RemoveEpisodeRows(IDbConnection conn, IDbTransaction tran, int episodeId)
{
MigrationHelper.ExecuteNonQuery("DELETE FROM Episodes WHERE Id = {0}", episodeId.ToString());
MigrationHelper.ExecuteNonQuery("DELETE FROM History WHERE EpisodeId = {0}", episodeId.ToString());
}
var deleteCmd = conn.CreateCommand();
deleteCmd.Transaction = tran;
deleteCmd.CommandText = String.Format("DELETE FROM Episodes WHERE Id = {0}", episodeId.ToString());
deleteCmd.ExecuteNonQuery();
deleteCmd.CommandText = String.Format("DELETE FROM History WHERE EpisodeId = {0}", episodeId.ToString());
deleteCmd.ExecuteNonQuery();
}
}
}

12
src/NzbDrone.Core/Datastore/Migration/019_restore_unique_constraints.cs
View File

@ -8,12 +8,14 @@ namespace NzbDrone.Core.Datastore.Migration
{
protected override void MainDbUpgrade()
{
SqLiteAlter.AddIndexes("Series",
new SQLiteIndex { Column = "TvdbId", Table = "Series", Unique = true },
new SQLiteIndex { Column = "TitleSlug", Table = "Series", Unique = true });
// During an earlier version of drone, the indexes weren't recreated during alter table.
Execute.Sql("DROP INDEX IF EXISTS \"IX_Series_TvdbId\"");
Execute.Sql("DROP INDEX IF EXISTS \"IX_Series_TitleSlug\"");
Execute.Sql("DROP INDEX IF EXISTS \"IX_Episodes_TvDbEpisodeId\"");
SqLiteAlter.AddIndexes("Episodes",
new SQLiteIndex { Column = "TvDbEpisodeId", Table = "Episodes", Unique = true });
Create.Index().OnTable("Series").OnColumn("TvdbId").Unique();
Create.Index().OnTable("Series").OnColumn("TitleSlug").Unique();
Create.Index().OnTable("Episodes").OnColumn("TvDbEpisodeId").Unique();
}
}

2
src/NzbDrone.Core/Datastore/Migration/024_drop_tvdb_episodeid.cs
View File

@ -8,7 +8,7 @@ namespace NzbDrone.Core.Datastore.Migration
{
protected override void MainDbUpgrade()
{
SqLiteAlter.DropColumns("Episodes", new[] { "TvDbEpisodeId" });
Delete.Column("TvDbEpisodeId").FromTable("Episodes");
}
}
}

17
src/NzbDrone.Core/Datastore/Migration/031_delete_old_naming_config_columns.cs
View File

@ -8,16 +8,13 @@ namespace NzbDrone.Core.Datastore.Migration
{
protected override void MainDbUpgrade()
{
SqLiteAlter.DropColumns("NamingConfig",
new[]
{
"Separator",
"NumberStyle",
"IncludeSeriesTitle",
"IncludeEpisodeTitle",
"IncludeQuality",
"ReplaceSpaces"
});
Delete.Column("Separator")
.Column("NumberStyle")
.Column("IncludeSeriesTitle")
.Column("IncludeEpisodeTitle")
.Column("IncludeQuality")
.Column("ReplaceSpaces")
.FromTable("NamingConfig");
}
}
}

7
src/NzbDrone.Core/Datastore/Migration/034_remove_series_contraints.cs
View File

@ -1,4 +1,5 @@
using FluentMigrator;
using System.Data;
using FluentMigrator;
using NzbDrone.Core.Datastore.Migration.Framework;
namespace NzbDrone.Core.Datastore.Migration
@ -8,7 +9,9 @@ namespace NzbDrone.Core.Datastore.Migration
{
protected override void MainDbUpgrade()
{
SqLiteAlter.Nullify("Series", new[] { "ImdbId", "TitleSlug" });
Alter.Table("Series")
.AlterColumn("ImdbId").AsString().Nullable()
.AlterColumn("TitleSlug").AsString().Nullable();
}
}
}

3
src/NzbDrone.Core/Datastore/Migration/037_add_configurable_qualities.cs
View File

@ -11,7 +11,8 @@ namespace NzbDrone.Core.Datastore.Migration
{
protected override void MainDbUpgrade()
{
SqLiteAlter.DropColumns("QualityProfiles", new[] { "Allowed" });
Delete.Column("Allowed").FromTable("QualityProfiles");
Alter.Column("Items").OnTable("QualityProfiles").AsString().NotNullable();
Create.TableForModel("QualityDefinitions")

2
src/NzbDrone.Core/Datastore/Migration/055_drop_old_profile_columns.cs
View File

@ -8,7 +8,7 @@ namespace NzbDrone.Core.Datastore.Migration
{
protected override void MainDbUpgrade()
{
SqLiteAlter.DropColumns("Series", new[] { "QualityProfileId" });
Delete.Column("QualityProfileId").FromTable("Series");
}
}
}

2
src/NzbDrone.Core/Datastore/Migration/058_drop_epsiode_file_path.cs
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@ -8,7 +8,7 @@ namespace NzbDrone.Core.Datastore.Migration
{
protected override void MainDbUpgrade()
{
SqLiteAlter.DropColumns("EpisodeFiles", new [] { "Path" });
Delete.Column("Path").FromTable("EpisodeFiles");
}
}
}

4
src/NzbDrone.Core/Datastore/Migration/060_remove_enable_from_indexers.cs
View File

@ -8,8 +8,8 @@ namespace NzbDrone.Core.Datastore.Migration
{
protected override void MainDbUpgrade()
{
SqLiteAlter.DropColumns("Indexers", new[] { "Enable" });
SqLiteAlter.DropColumns("DownloadClients", new[] { "Protocol" });
Delete.Column("Enable").FromTable("Indexers");
Delete.Column("Protocol").FromTable("DownloadClients");
}
}
}

2
src/NzbDrone.Core/Datastore/Migration/Framework/MigrationContext.cs
View File

@ -3,7 +3,5 @@
public class MigrationContext
{
public MigrationType MigrationType { get; set; }
public ISQLiteAlter SQLiteAlter { get; set; }
public ISqLiteMigrationHelper MigrationHelper { get; set; }
}
}

12
src/NzbDrone.Core/Datastore/Migration/Framework/MigrationController.cs
View File

@ -13,14 +13,10 @@ namespace NzbDrone.Core.Datastore.Migration.Framework
public class MigrationController : IMigrationController
{
private readonly IAnnouncer _announcer;
private readonly ISQLiteAlter _sqLiteAlter;
private readonly ISqLiteMigrationHelper _migrationHelper;
public MigrationController(IAnnouncer announcer, ISQLiteAlter sqLiteAlter, ISqLiteMigrationHelper migrationHelper)
public MigrationController(IAnnouncer announcer)
{
_announcer = announcer;
_sqLiteAlter = sqLiteAlter;
_migrationHelper = migrationHelper;
}
public void MigrateToLatest(string connectionString, MigrationType migrationType)
@ -34,14 +30,12 @@ namespace NzbDrone.Core.Datastore.Migration.Framework
Namespace = "NzbDrone.Core.Datastore.Migration",
ApplicationContext = new MigrationContext
{
MigrationType = migrationType,
SQLiteAlter = _sqLiteAlter,
MigrationHelper = _migrationHelper,
MigrationType = migrationType
}
};
var options = new MigrationOptions { PreviewOnly = false, Timeout = 60 };
var factory = new SqliteProcessorFactory();
var factory = new NzbDroneSqliteProcessorFactory();
var processor = factory.Create(connectionString, _announcer, options);
var runner = new MigrationRunner(assembly, migrationContext, processor);
runner.MigrateUp(true);

6
src/NzbDrone.Core/Datastore/Migration/Framework/NzbDroneMigrationBase.cs
View File

@ -25,9 +25,6 @@ namespace NzbDrone.Core.Datastore.Migration.Framework
{
var context = (MigrationContext)ApplicationContext;
SqLiteAlter = context.SQLiteAlter;
MigrationHelper = context.MigrationHelper;
switch (context.MigrationType)
{
case MigrationType.Main:
@ -43,9 +40,6 @@ namespace NzbDrone.Core.Datastore.Migration.Framework
}
}
protected ISQLiteAlter SqLiteAlter { get; private set; }
protected ISqLiteMigrationHelper MigrationHelper { get; private set; }
public override void Down()
{
throw new NotImplementedException();

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using System;
using System.Data;
using System.Linq;
using FluentMigrator;
using FluentMigrator.Exceptions;
using FluentMigrator.Expressions;
using FluentMigrator.Model;
using FluentMigrator.Runner;
using FluentMigrator.Runner.Generators.SQLite;
using FluentMigrator.Runner.Processors.SQLite;
namespace NzbDrone.Core.Datastore.Migration.Framework
{
public class NzbDroneSqliteProcessor : SqliteProcessor
{
public NzbDroneSqliteProcessor(IDbConnection connection, IMigrationGenerator generator, IAnnouncer announcer, IMigrationProcessorOptions options, FluentMigrator.Runner.Processors.IDbFactory factory)
: base(connection, generator, announcer, options, factory)
{
}
public override bool SupportsTransactions
{
get
{
return true;
}
}
public override void Process(AlterColumnExpression expression)
{
var tableDefinition = GetTableSchema(expression.TableName);
var columnDefinitions = tableDefinition.Columns.ToList();
var columnIndex = columnDefinitions.FindIndex(c => c.Name == expression.Column.Name);
if (columnIndex == -1)
{
throw new ApplicationException(String.Format("Column {0} does not exist on table {1}.", expression.Column.Name, expression.TableName));
}
columnDefinitions[columnIndex] = expression.Column;
tableDefinition.Columns = columnDefinitions;
ProcessAlterTable(tableDefinition);
}
public override void Process(DeleteColumnExpression expression)
{
var tableDefinition = GetTableSchema(expression.TableName);
var columnDefinitions = tableDefinition.Columns.ToList();
var indexDefinitions = tableDefinition.Indexes.ToList();
var columnsToRemove = expression.ColumnNames.ToList();
columnDefinitions.RemoveAll(c => columnsToRemove.Remove(c.Name));
indexDefinitions.RemoveAll(i => i.Columns.Any(c => expression.ColumnNames.Contains(c.Name)));
tableDefinition.Columns = columnDefinitions;
tableDefinition.Indexes = indexDefinitions;
if (columnsToRemove.Any())
{
throw new ApplicationException(String.Format("Column {0} does not exist on table {1}.", columnsToRemove.First(), expression.TableName));
}
ProcessAlterTable(tableDefinition);
}
protected virtual TableDefinition GetTableSchema(String tableName)
{
var schemaDumper = new SqliteSchemaDumper(this, Announcer);
var schema = schemaDumper.ReadDbSchema();
return schema.Single(v => v.Name == tableName);
}
protected virtual void ProcessAlterTable(TableDefinition tableDefinition)
{
var tableName = tableDefinition.Name;
var tempTableName = tableName + "_temp";
var uid = 0;
while (TableExists(null, tempTableName))
{
tempTableName = tableName + "_temp" + uid++;
}
// What is the cleanest way to do this? Add function to Generator?
var quoter = new SqliteQuoter();
var columnsToTransfer = String.Join(", ", tableDefinition.Columns.Select(c => quoter.QuoteColumnName(c.Name)));
Process(new CreateTableExpression() { TableName = tempTableName, Columns = tableDefinition.Columns.ToList() });
Process(String.Format("INSERT INTO {0} SELECT {1} FROM {2}", quoter.QuoteTableName(tempTableName), columnsToTransfer, quoter.QuoteTableName(tableName)));
Process(new DeleteTableExpression() { TableName = tableName });
Process(new RenameTableExpression() { OldName = tempTableName, NewName = tableName });
foreach (var index in tableDefinition.Indexes)
{
Process(new CreateIndexExpression() { Index = index });
}
}
}
}

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using System;
using FluentMigrator;
using FluentMigrator.Runner;
using FluentMigrator.Runner.Generators.SQLite;
using FluentMigrator.Runner.Processors.SQLite;
namespace NzbDrone.Core.Datastore.Migration.Framework
{
public class NzbDroneSqliteProcessorFactory : SqliteProcessorFactory
{
public override IMigrationProcessor Create(String connectionString, IAnnouncer announcer, IMigrationProcessorOptions options)
{
var factory = new SqliteDbFactory();
var connection = factory.CreateConnection(connectionString);
var generator = new SqliteGenerator() { compatabilityMode = CompatabilityMode.STRICT };
return new NzbDroneSqliteProcessor(connection, generator, announcer, options, factory);
}
}
}

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namespace NzbDrone.Core.Datastore.Migration.Framework
{
public class SQLiteColumn
{
public string Name { get; set; }
public string Schema { get; set; }
public override string ToString()
{
return string.Format("[{0}] {1}", Name, Schema);
}
}
}

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using System;
namespace NzbDrone.Core.Datastore.Migration.Framework
{
public class SQLiteIndex : IEquatable<SQLiteIndex>
{
public string Column { get; set; }
public string Table { get; set; }
public bool Unique { get; set; }
public bool Equals(SQLiteIndex other)
{
return IndexName == other.IndexName;
}
public override int GetHashCode()
{
return IndexName.GetHashCode();
}
public override string ToString()
{
return string.Format("[{0}] Unique: {1}", Column, Unique);
}
public string IndexName
{
get
{
return string.Format("IX_{0}_{1}", Table, Column);
}
}
public string CreateSql(string tableName)
{
if (Unique)
{
return String.Format(@"CREATE UNIQUE INDEX ""{2}"" ON ""{0}"" (""{1}"" ASC)", tableName, Column, IndexName);
}
return String.Format(@"CREATE INDEX ""{2}"" ON ""{0}"" (""{1}"" ASC)", tableName, Column, IndexName);
}
}
}

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using System;
using System.Collections.Generic;
using System.Data.SQLite;
using System.Linq;
using System.Text.RegularExpressions;
using NLog;
using NzbDrone.Common.Exceptions;
namespace NzbDrone.Core.Datastore.Migration.Framework
{
public interface ISqLiteMigrationHelper
{
Dictionary<String, SQLiteColumn> GetColumns(string tableName);
void CreateTable(string tableName, IEnumerable<SQLiteColumn> values, IEnumerable<SQLiteIndex> indexes);
void CopyData(string sourceTable, string destinationTable, IEnumerable<SQLiteColumn> columns);
void DropTable(string tableName);
void RenameTable(string tableName, string newName);
IEnumerable<IGrouping<T, KeyValuePair<int, T>>> GetDuplicates<T>(string tableName, string columnName);
SQLiteTransaction BeginTransaction();
List<SQLiteIndex> GetIndexes(string tableName);
int ExecuteScalar(string command, params string[] args);
void ExecuteNonQuery(string command, params string[] args);
}
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);
private static readonly Regex IndexRegex = new Regex(@"\((?:""|')(?<col>.*)(?:""|')\s(?<direction>ASC|DESC)\)$",
RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Multiline);
public SqLiteMigrationHelper(IConnectionStringFactory connectionStringFactory, Logger logger)
{
try
{
_connection = new SQLiteConnection(connectionStringFactory.MainDbConnectionString);
_connection.Open();
}
catch (Exception e)
{
logger.ErrorException("Couldn't open database " + connectionStringFactory.MainDbConnectionString, e);
throw;
}
}
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;
var sql = (string)command.ExecuteScalar();
if (string.IsNullOrWhiteSpace(sql))
{
throw new TableNotFoundException(tableName);
}
return sql;
}
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()
});
}
private static IEnumerable<T> ReadArray<T>(SQLiteDataReader reader)
{
while (reader.Read())
{
yield return (T)Convert.ChangeType(reader[0], typeof(T));
}
}
public List<SQLiteIndex> GetIndexes(string tableName)
{
var command = new SQLiteCommand(string.Format("SELECT sql FROM sqlite_master WHERE type='index' AND tbl_name ='{0}'", tableName));
command.Connection = _connection;
var reader = command.ExecuteReader();
var sqls = ReadArray<string>(reader).ToList();
var indexes = new List<SQLiteIndex>();
foreach (var indexSql in sqls)
{
var newIndex = new SQLiteIndex();
var matches = IndexRegex.Match(indexSql);
if (!matches.Success) continue;;
newIndex.Column = matches.Groups["col"].Value;
newIndex.Unique = indexSql.Contains("UNIQUE");
newIndex.Table = tableName;
indexes.Add(newIndex);
}
return indexes;
}
public void CreateTable(string tableName, IEnumerable<SQLiteColumn> values, IEnumerable<SQLiteIndex> indexes)
{
var columns = String.Join(",", values.Select(c => c.ToString()));
ExecuteNonQuery("CREATE TABLE [{0}] ({1})", tableName, columns);
foreach (var index in indexes)
{
ExecuteNonQuery("DROP INDEX IF EXISTS {0}", index.IndexName);
ExecuteNonQuery(index.CreateSql(tableName));
}
}
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 IEnumerable<IGrouping<T, KeyValuePair<int, T>>> GetDuplicates<T>(string tableName, string columnName)
{
var getDuplicates = BuildCommand("select id, {0} from {1}", columnName, tableName);
var result = new List<KeyValuePair<int, T>>();
using (var reader = getDuplicates.ExecuteReader())
{
while (reader.Read())
{
result.Add(new KeyValuePair<int, T>(reader.GetInt32(0), (T)Convert.ChangeType(reader[1], typeof(T))));
}
}
return result.GroupBy(c => c.Value).Where(g => g.Count() > 1);
}
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 void ExecuteNonQuery(string command, params string[] args)
{
var sqLiteCommand = new SQLiteCommand(string.Format(command, args))
{
Connection = _connection
};
sqLiteCommand.ExecuteNonQuery();
}
public int ExecuteScalar(string command, params string[] args)
{
var sqLiteCommand = new SQLiteCommand(string.Format(command, args))
{
Connection = _connection
};
return (int)sqLiteCommand.ExecuteScalar();
}
private class TableNotFoundException : NzbDroneException
{
public TableNotFoundException(string tableName)
: base("Table [{0}] not found", tableName)
{
}
}
}
}

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using System;
using System.Collections.Generic;
using System.Linq;
namespace NzbDrone.Core.Datastore.Migration.Framework
{
public interface ISQLiteAlter
{
void DropColumns(string tableName, IEnumerable<string> columns);
void AddIndexes(string tableName, params SQLiteIndex[] indexes);
void Nullify(string tableName, IEnumerable<string> columns);
}
public class SQLiteAlter : ISQLiteAlter
{
private readonly ISqLiteMigrationHelper _sqLiteMigrationHelper;
public SQLiteAlter(ISqLiteMigrationHelper sqLiteMigrationHelper)
{
_sqLiteMigrationHelper = sqLiteMigrationHelper;
}
public void DropColumns(string tableName, IEnumerable<string> columns)
{
using (var transaction = _sqLiteMigrationHelper.BeginTransaction())
{
var originalColumns = _sqLiteMigrationHelper.GetColumns(tableName);
var originalIndexes = _sqLiteMigrationHelper.GetIndexes(tableName);
var newColumns = originalColumns.Where(c => !columns.Contains(c.Key)).Select(c => c.Value).ToList();
var newIndexes = originalIndexes.Where(c => !columns.Contains(c.Column));
CreateTable(tableName, newColumns, newIndexes);
transaction.Commit();
}
}
public void AddIndexes(string tableName, params SQLiteIndex[] indexes)
{
using (var transaction = _sqLiteMigrationHelper.BeginTransaction())
{
var columns = _sqLiteMigrationHelper.GetColumns(tableName).Select(c => c.Value).ToList();
var originalIndexes = _sqLiteMigrationHelper.GetIndexes(tableName);
var newIndexes = originalIndexes.Union(indexes);
CreateTable(tableName, columns, newIndexes);
transaction.Commit();
}
}
public void Nullify(string tableName, IEnumerable<string> columns)
{
using (var transaction = _sqLiteMigrationHelper.BeginTransaction())
{
var originalColumns = _sqLiteMigrationHelper.GetColumns(tableName);
var indexes = _sqLiteMigrationHelper.GetIndexes(tableName);
var newColumns = originalColumns.Select(c =>
{
if (!columns.Contains(c.Key))
{
return c.Value;
}
if (!c.Value.Schema.Contains("NOT NULL") && c.Value.Schema.Contains("NULL"))
{
return c.Value;
}
if (c.Value.Schema.Contains("NOT NULL"))
{
c.Value.Schema = c.Value.Schema.Replace("NOT NULL", "NULL");
return c.Value;
}
c.Value.Schema += " NULL";
return c.Value;
}).ToList();
CreateTable(tableName, newColumns, indexes);
transaction.Commit();
}
}
private void CreateTable(string tableName, List<SQLiteColumn> newColumns, IEnumerable<SQLiteIndex> newIndexes)
{
var tempTableName = tableName + "_temp";
_sqLiteMigrationHelper.CreateTable(tempTableName, newColumns, newIndexes);
_sqLiteMigrationHelper.CopyData(tableName, tempTableName, newColumns);
_sqLiteMigrationHelper.DropTable(tableName);
_sqLiteMigrationHelper.RenameTable(tempTableName, tableName);
}
}
}

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using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Data;
using System.Linq;
using FluentMigrator.Builders.Execute;
using FluentMigrator.Model;
using FluentMigrator.Runner;
using System;
using FluentMigrator.Runner.Processors.SQLite;
using System.Text;
namespace NzbDrone.Core.Datastore.Migration.Framework
{
// Modeled after the FluentMigrator SchemaDumper class.
// The original implementation had bad support for escaped identifiers, amongst other things.
public class SqliteSchemaDumper
{
public SqliteSchemaDumper(SqliteProcessor processor, IAnnouncer announcer)
{
Announcer = announcer;
Processor = processor;
}
public virtual IAnnouncer Announcer { get; set; }
public SqliteProcessor Processor { get; set; }
protected internal virtual TableDefinition ReadTableSchema(String sqlSchema)
{
var reader = new SqliteSyntaxReader(sqlSchema);
var result = ParseCreateTableStatement(reader);
return result;
}
protected internal virtual IndexDefinition ReadIndexSchema(String sqlSchema)
{
var reader = new SqliteSyntaxReader(sqlSchema);
var result = ParseCreateIndexStatement(reader);
return result;
}
protected virtual TableDefinition ParseCreateTableStatement(SqliteSyntaxReader reader)
{
var table = new TableDefinition();
while (reader.Read() != SqliteSyntaxReader.TokenType.StringToken || reader.ValueToUpper != "TABLE") ;
if (reader.Read() == SqliteSyntaxReader.TokenType.StringToken && reader.ValueToUpper == "IF")
{
reader.Read(); // NOT
reader.Read(); // EXISTS
}
else
{
reader.Rollback();
}
table.Name = ParseIdentifier(reader);
// Find Column List
reader.SkipTillToken(SqliteSyntaxReader.TokenType.ListStart);
// Split the list.
var list = reader.ReadList();
foreach (var columnReader in list)
{
columnReader.SkipWhitespace();
if (columnReader.Read() == SqliteSyntaxReader.TokenType.StringToken)
{
if (columnReader.ValueToUpper == "CONSTRAINT" ||
columnReader.ValueToUpper == "PRIMARY" || columnReader.ValueToUpper == "UNIQUE" ||
columnReader.ValueToUpper == "CHECK" || columnReader.ValueToUpper == "FOREIGN")
{
continue;
}
}
columnReader.Rollback();
var column = ParseColumnDefinition(columnReader);
column.TableName = table.Name;
table.Columns.Add(column);
}
return table;
}
protected virtual ColumnDefinition ParseColumnDefinition(SqliteSyntaxReader reader)
{
var column = new ColumnDefinition();
column.Name = ParseIdentifier(reader);
reader.TrimBuffer();
reader.Read();
if (reader.Type != SqliteSyntaxReader.TokenType.End)
{
column.Type = GetDbType(reader.Value);
var upper = reader.Buffer.ToUpperInvariant();
column.IsPrimaryKey = upper.Contains("PRIMARY KEY");
column.IsIdentity = upper.Contains("AUTOINCREMENT");
column.IsNullable = !upper.Contains("NOT NULL") && !upper.Contains("PRIMARY KEY");
column.IsUnique = upper.Contains("UNIQUE") || upper.Contains("PRIMARY KEY");
}
return column;
}
protected virtual IndexDefinition ParseCreateIndexStatement(SqliteSyntaxReader reader)
{
var index = new IndexDefinition();
reader.Read();
reader.Read();
index.IsUnique = reader.ValueToUpper == "UNIQUE";
while (reader.ValueToUpper != "INDEX") reader.Read();
if (reader.Read() == SqliteSyntaxReader.TokenType.StringToken && reader.ValueToUpper == "IF")
{
reader.Read(); // NOT
reader.Read(); // EXISTS
}
else
{
reader.Rollback();
}
index.Name = ParseIdentifier(reader);
reader.Read(); // ON
index.TableName = ParseIdentifier(reader);
// Find Column List
reader.SkipTillToken(SqliteSyntaxReader.TokenType.ListStart);
// Split the list.
var list = reader.ReadList();
foreach (var columnReader in list)
{
var column = new IndexColumnDefinition();
column.Name = ParseIdentifier(columnReader);
while (columnReader.Read() == SqliteSyntaxReader.TokenType.StringToken)
{
if (columnReader.ValueToUpper == "COLLATE")
{
columnReader.Read(); // Skip Collation name
}
else if (columnReader.ValueToUpper == "DESC")
{
column.Direction = Direction.Descending;
}
}
index.Columns.Add(column);
}
return index;
}
protected virtual String ParseIdentifier(SqliteSyntaxReader reader)
{
reader.Read();
if (reader.Type != SqliteSyntaxReader.TokenType.Identifier &&
reader.Type != SqliteSyntaxReader.TokenType.StringToken)
{
throw reader.CreateSyntaxException("Expected Identifier but found {0}", reader.Type);
}
return reader.Value;
}
#region ISchemaDumper Members
public virtual IList<TableDefinition> ReadDbSchema()
{
IList<TableDefinition> tables = ReadTables();
foreach (var table in tables)
{
table.Indexes = ReadIndexes(table.SchemaName, table.Name);
//table.ForeignKeys = ReadForeignKeys(table.SchemaName, table.Name);
}
return tables;
}
#endregion
protected virtual DataSet Read(string template, params object[] args)
{
return Processor.Read(template, args);
}
protected virtual IList<TableDefinition> ReadTables()
{
const string sqlCommand = @"SELECT name, sql FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%' ORDER BY name;";
var dtTable = Read(sqlCommand).Tables[0];
var tableDefinitionList = new List<TableDefinition>();
foreach (DataRow dr in dtTable.Rows)
{
var sql = dr["sql"].ToString();
var table = ReadTableSchema(sql);
tableDefinitionList.Add(table);
}
return tableDefinitionList;
}
/// <summary>
/// Get DbType from string type definition
/// </summary>
/// <param name="typeNum"></param>
/// <returns></returns>
public static DbType? GetDbType(string typeNum)
{
switch (typeNum.ToUpper())
{
case "BLOB":
return DbType.Binary;
case "INTEGER":
return DbType.Int64;
case "NUMERIC":
return DbType.Double;
case "TEXT":
return DbType.String;
case "DATETIME":
return DbType.DateTime;
case "UNIQUEIDENTIFIER":
return DbType.Guid;
default:
return null;
}
}
protected virtual IList<IndexDefinition> ReadIndexes(string schemaName, string tableName)
{
var sqlCommand = string.Format(@"SELECT type, name, sql FROM sqlite_master WHERE tbl_name = '{0}' AND type = 'index' AND name NOT LIKE 'sqlite_auto%';", tableName);
DataTable table = Read(sqlCommand).Tables[0];
IList<IndexDefinition> indexes = new List<IndexDefinition>();
foreach (DataRow dr in table.Rows)
{
var sql = dr["sql"].ToString();
var index = ReadIndexSchema(sql);
indexes.Add(index);
}
return indexes;
}
}
}

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using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
namespace NzbDrone.Core.Datastore.Migration.Framework
{
public class SqliteSyntaxReader
{
public String Buffer { get; private set; }
public Int32 Index { get; private set; }
private Int32 _previousIndex;
public TokenType Type { get; private set; }
public String Value { get; private set; }
public String ValueToUpper
{
get { return Value.ToUpperInvariant(); }
}
public Boolean IsEndOfFile
{
get { return Index >= Buffer.Length; }
}
public enum TokenType
{
Start,
Whitespace,
End,
ListStart,
ListSeparator,
ListEnd,
Identifier,
StringToken,
StringLiteral,
UnknownSymbol
}
public SqliteSyntaxReader(String sql)
{
Buffer = sql;
}
public void TrimBuffer()
{
Buffer = Buffer.Substring(Index);
Index = 0;
_previousIndex = 0;
}
public void SkipWhitespace()
{
while (!IsEndOfFile && char.IsWhiteSpace(Buffer[Index])) Index++;
}
public void SkipTillToken(TokenType tokenType)
{
if (IsEndOfFile)
return;
while (Read() != tokenType)
{
if (Type == TokenType.ListStart)
SkipTillToken(TokenType.ListEnd);
}
}
public void Rollback()
{
Index = _previousIndex;
Type = TokenType.Whitespace;
}
public TokenType Read()
{
if (!IsEndOfFile && char.IsWhiteSpace(Buffer[Index]))
{
Type = TokenType.Whitespace;
SkipWhitespace();
}
_previousIndex = Index;
if (IsEndOfFile)
{
Type = TokenType.End;
return Type;
}
if (Buffer[Index] == '(')
{
Type = TokenType.ListStart;
Value = null;
Index++;
return Type;
}
if (Buffer[Index] == ',')
{
Type = TokenType.ListSeparator;
Value = null;
Index++;
return Type;
}
if (Buffer[Index] == ')')
{
Type = TokenType.ListEnd;
Value = null;
Index++;
return Type;
}
if (Buffer[Index] == '\'')
{
Type = TokenType.StringLiteral;
Value = ReadEscapedString('\'');
return Type;
}
if (Buffer[Index] == '\"')
{
Type = TokenType.Identifier;
Value = ReadEscapedString('\"');
return Type;
}
if (Buffer[Index] == '`')
{
Type = TokenType.Identifier;
Value = ReadEscapedString('`');
return Type;
}
if (Buffer[Index] == '[')
{
Type = TokenType.Identifier;
Value = ReadTerminatedString(']');
return Type;
}
if (Type == TokenType.UnknownSymbol)
{
Value = Buffer[Index].ToString();
Index++;
return Type;
}
if (char.IsLetter(Buffer[Index]))
{
var start = Index;
var end = start + 1;
while (end < Buffer.Length && (char.IsLetter(Buffer[end]) || Buffer[end] == '_')) end++;
if (end >= Buffer.Length || Buffer[end] == ',' || Buffer[end] == ')' || char.IsWhiteSpace(Buffer[end]))
{
Index = end;
}
else if (Type == TokenType.UnknownSymbol)
{
Value = Buffer[Index].ToString();
Index++;
return Type;
}
else
{
throw CreateSyntaxException("Unexpected sequence.");
}
Type = TokenType.StringToken;
Value = Buffer.Substring(start, end - start);
return Type;
}
Type = TokenType.UnknownSymbol;
Value = Buffer[Index].ToString();
Index++;
return Type;
}
public List<SqliteSyntaxReader> ReadList()
{
if (Type != TokenType.ListStart)
{
throw new InvalidOperationException();
}
var result = new List<SqliteSyntaxReader>();
var start = Index;
while (Read() != TokenType.ListEnd)
{
if (Type == TokenType.End)
{
throw CreateSyntaxException("Expected ListEnd first");
}
if (Type == TokenType.ListStart)
{
SkipTillToken(TokenType.ListEnd);
}
else if (Type == TokenType.ListSeparator)
{
result.Add(new SqliteSyntaxReader(Buffer.Substring(start, Index - start - 1)));
start = Index;
}
}
if (Index >= start + 1)
{
result.Add(new SqliteSyntaxReader(Buffer.Substring(start, Index - start - 1)));
}
return result;
}
protected String ReadTerminatedString(Char terminator)
{
var start = Index + 1;
var end = Buffer.IndexOf(terminator, Index);
if (end == -1) throw new SyntaxErrorException();
Index = end + 1;
return Buffer.Substring(start, end - start);
}
protected String ReadEscapedString(Char escape)
{
var identifier = new StringBuilder();
while (true)
{
var start = Index + 1;
var end = Buffer.IndexOf(escape, start);
if (end == -1) throw new SyntaxErrorException();
Index = end + 1;
identifier.Append(Buffer.Substring(start, end - start));
if (Buffer[Index] != escape) break;
identifier.Append(escape);
}
return identifier.ToString();
}
public SyntaxErrorException CreateSyntaxException(String message, params object[] args)
{
return new SyntaxErrorException(String.Format("{0}. Syntax Error near: {1}", String.Format(message, args), Buffer.Substring(_previousIndex)));
}
}
}

8
src/NzbDrone.Core/NzbDrone.Core.csproj
View File

@ -230,10 +230,10 @@
<Compile Include="Datastore\Migration\Framework\MigrationOptions.cs" />
<Compile Include="Datastore\Migration\Framework\MigrationType.cs" />
<Compile Include="Datastore\Migration\Framework\NzbDroneMigrationBase.cs" />
<Compile Include="Datastore\Migration\Framework\SQLiteAlter.cs" />
<Compile Include="Datastore\Migration\Framework\SQLiteColumn.cs" />
<Compile Include="Datastore\Migration\Framework\SQLiteIndex.cs" />
<Compile Include="Datastore\Migration\Framework\SQLiteMigrationHelper.cs" />
<Compile Include="Datastore\Migration\Framework\NzbDroneSqliteProcessor.cs" />
<Compile Include="Datastore\Migration\Framework\NzbDroneSqliteProcessorFactory.cs" />
<Compile Include="Datastore\Migration\Framework\SqliteSchemaDumper.cs" />
<Compile Include="Datastore\Migration\Framework\SqliteSyntaxReader.cs" />
<Compile Include="Datastore\ModelBase.cs" />
<Compile Include="Datastore\ModelNotFoundException.cs" />
<Compile Include="Datastore\PagingSpec.cs" />