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Partially recover databases for users for bad 023 migration (#670)

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ta264 2019-03-13 12:15:55 +00:00 • committed by GitHub
commit d6b4c4a9ed
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2 changed files with 57 additions and 1 deletions
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55
src/NzbDrone.Core/Datastore/Migration/028_clean_artistmetadata_table.cs Normal file
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@ -0,0 +1,55 @@
using FluentMigrator;
using NzbDrone.Core.Datastore.Migration.Framework;
namespace NzbDrone.Core.Datastore.Migration
{
[Migration(028)]
public class clean_artist_metadata_table : NzbDroneMigrationBase
{
protected override void MainDbUpgrade()
{
// Remove any artists linked to missing metadata
Execute.Sql(@"DELETE FROM Artists
WHERE Id in (
SELECT Artists.Id from Artists
LEFT OUTER JOIN ArtistMetadata ON Artists.ArtistMetadataId = ArtistMetadata.Id
WHERE ArtistMetadata.Id IS NULL)");
// Remove any albums linked to missing metadata
Execute.Sql(@"DELETE FROM Albums
WHERE Id in (
SELECT Albums.Id from Albums
LEFT OUTER JOIN ArtistMetadata ON Albums.ArtistMetadataId = ArtistMetadata.Id
WHERE ArtistMetadata.Id IS NULL)");
// Remove any album releases linked to albums that were deleted
Execute.Sql(@"DELETE FROM AlbumReleases
WHERE Id in (
SELECT AlbumReleases.Id from AlbumReleases
LEFT OUTER JOIN Albums ON Albums.Id = AlbumReleases.AlbumId
WHERE Albums.Id IS NULL)");
// Remove any tracks linked to album releases that were deleted
Execute.Sql(@"DELETE FROM Tracks
WHERE Id in (
SELECT Tracks.Id from Tracks
LEFT OUTER JOIN AlbumReleases ON Tracks.AlbumReleaseId = AlbumReleases.Id
WHERE AlbumReleases.Id IS NULL)");
// Remove any tracks linked to the original missing metadata
Execute.Sql(@"DELETE FROM Tracks
WHERE Id in (
SELECT Tracks.Id from Tracks
LEFT OUTER JOIN ArtistMetadata ON Tracks.ArtistMetadataId = ArtistMetadata.Id
WHERE ArtistMetadata.Id IS NULL)");
// Remove any trackfiles linked to the deleted tracks
Execute.Sql(@"DELETE FROM TrackFiles
WHERE Id IN (
SELECT TrackFiles.Id FROM TrackFiles
LEFT OUTER JOIN Tracks
ON TrackFiles.Id = Tracks.TrackFileId
WHERE Tracks.Id IS NULL)");
}
}
}

3
src/NzbDrone.Core/NzbDrone.Core.csproj
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@ -201,6 +201,7 @@
<Compile Include="Datastore\Migration\024_clear_media_info.cs" />
<Compile Include="Datastore\Migration\025_rename_release_profiles.cs" />
<Compile Include="Datastore\Migration\026_rename_quality_profiles_add_upgrade_allowed.cs" />
<Compile Include="Datastore\Migration\028_clean_artistmetadata_table.cs" />
<Compile Include="Datastore\Migration\Framework\MigrationContext.cs" />
<Compile Include="Datastore\Migration\Framework\MigrationController.cs" />
<Compile Include="Datastore\Migration\Framework\MigrationDbFactory.cs" />
@ -1308,4 +1309,4 @@
<Target Name="AfterBuild">
</Target>
-->
</Project>
</Project>