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Code Issues Releases Wiki Activity

Add fallback logic in case migration fails

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Nuke it all.
This commit is contained in:
Dean Herbert 2017-10-19 21:11:43 +09:00
parent 365e2343a1
commit 1672e0d6b6
1 changed files with 42 additions and 32 deletions
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74
osu.Game/Database/OsuDbContext.cs
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@ -177,48 +177,58 @@ namespace osu.Game.Database
// will fail (intentionally) if we don't have sqlite-net data present.
Database.ExecuteSqlCommand("SELECT OnlineBeatmapSetId FROM BeatmapMetadata LIMIT 1");
// we are good to perform messy migration of data!.
Database.ExecuteSqlCommand("ALTER TABLE BeatmapDifficulty RENAME TO BeatmapDifficulty_Old");
Database.ExecuteSqlCommand("ALTER TABLE BeatmapMetadata RENAME TO BeatmapMetadata_Old");
Database.ExecuteSqlCommand("ALTER TABLE FileInfo RENAME TO FileInfo_Old");
Database.ExecuteSqlCommand("ALTER TABLE KeyBinding RENAME TO KeyBinding_Old");
Database.ExecuteSqlCommand("ALTER TABLE BeatmapSetInfo RENAME TO BeatmapSetInfo_Old");
Database.ExecuteSqlCommand("ALTER TABLE BeatmapInfo RENAME TO BeatmapInfo_Old");
Database.ExecuteSqlCommand("ALTER TABLE BeatmapSetFileInfo RENAME TO BeatmapSetFileInfo_Old");
Database.ExecuteSqlCommand("ALTER TABLE RulesetInfo RENAME TO RulesetInfo_Old");
try
{
// we are good to perform messy migration of data!.
Database.ExecuteSqlCommand("ALTER TABLE BeatmapDifficulty RENAME TO BeatmapDifficulty_Old");
Database.ExecuteSqlCommand("ALTER TABLE BeatmapMetadata RENAME TO BeatmapMetadata_Old");
Database.ExecuteSqlCommand("ALTER TABLE FileInfo RENAME TO FileInfo_Old");
Database.ExecuteSqlCommand("ALTER TABLE KeyBinding RENAME TO KeyBinding_Old");
Database.ExecuteSqlCommand("ALTER TABLE BeatmapSetInfo RENAME TO BeatmapSetInfo_Old");
Database.ExecuteSqlCommand("ALTER TABLE BeatmapInfo RENAME TO BeatmapInfo_Old");
Database.ExecuteSqlCommand("ALTER TABLE BeatmapSetFileInfo RENAME TO BeatmapSetFileInfo_Old");
Database.ExecuteSqlCommand("ALTER TABLE RulesetInfo RENAME TO RulesetInfo_Old");
Database.ExecuteSqlCommand("DROP TABLE StoreVersion");
Database.ExecuteSqlCommand("DROP TABLE StoreVersion");
// perform EF migrations to create sane table structure.
Database.Migrate();
// perform EF migrations to create sane table structure.
Database.Migrate();
// copy data table by table to new structure, dropping old tables as we go.
Database.ExecuteSqlCommand("INSERT INTO FileInfo SELECT * FROM FileInfo_Old");
Database.ExecuteSqlCommand("DROP TABLE FileInfo_Old");
// copy data table by table to new structure, dropping old tables as we go.
Database.ExecuteSqlCommand("INSERT INTO FileInfo SELECT * FROM FileInfo_Old");
Database.ExecuteSqlCommand("DROP TABLE FileInfo_Old");
Database.ExecuteSqlCommand("INSERT INTO KeyBinding SELECT ID, [Action], Keys, RulesetID, Variant FROM KeyBinding_Old");
Database.ExecuteSqlCommand("DROP TABLE KeyBinding_Old");
Database.ExecuteSqlCommand("INSERT INTO KeyBinding SELECT ID, [Action], Keys, RulesetID, Variant FROM KeyBinding_Old");
Database.ExecuteSqlCommand("DROP TABLE KeyBinding_Old");
Database.ExecuteSqlCommand(
"INSERT INTO BeatmapMetadata SELECT ID, Artist, ArtistUnicode, AudioFile, Author, BackgroundFile, PreviewTime, Source, Tags, Title, TitleUnicode FROM BeatmapMetadata_Old");
Database.ExecuteSqlCommand("DROP TABLE BeatmapMetadata_Old");
Database.ExecuteSqlCommand(
"INSERT INTO BeatmapMetadata SELECT ID, Artist, ArtistUnicode, AudioFile, Author, BackgroundFile, PreviewTime, Source, Tags, Title, TitleUnicode FROM BeatmapMetadata_Old");
Database.ExecuteSqlCommand("DROP TABLE BeatmapMetadata_Old");
Database.ExecuteSqlCommand(
"INSERT INTO BeatmapDifficulty SELECT `ID`, `ApproachRate`, `CircleSize`, `DrainRate`, `OverallDifficulty`, `SliderMultiplier`, `SliderTickRate` FROM BeatmapDifficulty_Old");
Database.ExecuteSqlCommand("DROP TABLE BeatmapDifficulty_Old");
Database.ExecuteSqlCommand(
"INSERT INTO BeatmapDifficulty SELECT `ID`, `ApproachRate`, `CircleSize`, `DrainRate`, `OverallDifficulty`, `SliderMultiplier`, `SliderTickRate` FROM BeatmapDifficulty_Old");
Database.ExecuteSqlCommand("DROP TABLE BeatmapDifficulty_Old");
Database.ExecuteSqlCommand("INSERT INTO BeatmapSetInfo SELECT ID, DeletePending, Hash, BeatmapMetadataID, OnlineBeatmapSetID, Protected FROM BeatmapSetInfo_Old");
Database.ExecuteSqlCommand("DROP TABLE BeatmapSetInfo_Old");
Database.ExecuteSqlCommand("INSERT INTO BeatmapSetInfo SELECT ID, DeletePending, Hash, BeatmapMetadataID, OnlineBeatmapSetID, Protected FROM BeatmapSetInfo_Old");
Database.ExecuteSqlCommand("DROP TABLE BeatmapSetInfo_Old");
Database.ExecuteSqlCommand("INSERT INTO BeatmapSetFileInfo SELECT ID, BeatmapSetInfoID, FileInfoID, Filename FROM BeatmapSetFileInfo_Old");
Database.ExecuteSqlCommand("DROP TABLE BeatmapSetFileInfo_Old");
Database.ExecuteSqlCommand("INSERT INTO BeatmapSetFileInfo SELECT ID, BeatmapSetInfoID, FileInfoID, Filename FROM BeatmapSetFileInfo_Old");
Database.ExecuteSqlCommand("DROP TABLE BeatmapSetFileInfo_Old");
Database.ExecuteSqlCommand("INSERT INTO RulesetInfo SELECT ID, Available, InstantiationInfo, Name FROM RulesetInfo_Old");
Database.ExecuteSqlCommand("DROP TABLE RulesetInfo_Old");
Database.ExecuteSqlCommand("INSERT INTO RulesetInfo SELECT ID, Available, InstantiationInfo, Name FROM RulesetInfo_Old");
Database.ExecuteSqlCommand("DROP TABLE RulesetInfo_Old");
Database.ExecuteSqlCommand(
"INSERT INTO BeatmapInfo SELECT ID, AudioLeadIn, BaseDifficultyID, BeatDivisor, BeatmapSetInfoID, Countdown, DistanceSpacing, GridSize, Hash, Hidden, LetterboxInBreaks, MD5Hash, NULLIF(BeatmapMetadataID, 0), OnlineBeatmapID, Path, RulesetID, SpecialStyle, StackLeniency, StarDifficulty, StoredBookmarks, TimelineZoom, Version, WidescreenStoryboard FROM BeatmapInfo_Old");
Database.ExecuteSqlCommand("DROP TABLE BeatmapInfo_Old");
Database.ExecuteSqlCommand(
"INSERT INTO BeatmapInfo SELECT ID, AudioLeadIn, BaseDifficultyID, BeatDivisor, BeatmapSetInfoID, Countdown, DistanceSpacing, GridSize, Hash, Hidden, LetterboxInBreaks, MD5Hash, NULLIF(BeatmapMetadataID, 0), OnlineBeatmapID, Path, RulesetID, SpecialStyle, StackLeniency, StarDifficulty, StoredBookmarks, TimelineZoom, Version, WidescreenStoryboard FROM BeatmapInfo_Old");
Database.ExecuteSqlCommand("DROP TABLE BeatmapInfo_Old");
throw new Exception();
}
catch
{
// if anything went wrong during migration just nuke the database.
Database.EnsureDeleted();
}
}
catch
{