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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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10
osu.Game/Database/OsuDbContext.cs
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@ -177,6 +177,8 @@ namespace osu.Game.Database
// will fail (intentionally) if we don't have sqlite-net data present.
Database.ExecuteSqlCommand("SELECT OnlineBeatmapSetId FROM BeatmapMetadata LIMIT 1");
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");
@ -219,6 +221,14 @@ namespace osu.Game.Database
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
{