fix deleting local libraries with mysql (#1919)

CHANGELOG.md

@@ -11,6 +11,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Fix destroying channel preview player when preview dialog is closed
   - This bug made it difficult to "stop" a channel after previewing it
 - Fix bug where deco default filler would never use hardware acceleration
+- Fix deleting local libraries with MySql backend
 
 ## [0.8.8-beta] - 2024-09-19
 ### Added

ErsatzTV.Application/Libraries/Commands/DeleteLocalLibraryHandler.cs

@@ -47,9 +47,12 @@ public class DeleteLocalLibraryHandler : LocalLibraryHandlerBase,
             """
             DELETE FROM MediaItem WHERE Id IN
             (
-                SELECT MI.Id FROM MediaItem MI
-                INNER JOIN LibraryPath LP ON MI.LibraryPathId = LP.Id
-                WHERE LP.LibraryId = @LibraryId
+                SELECT Id FROM
+                (
+                    SELECT MI.Id FROM MediaItem MI
+                    INNER JOIN LibraryPath LP ON MI.LibraryPathId = LP.Id
+                    WHERE LP.LibraryId = @LibraryId
+                ) AS MI
             )
             """,
             new { LibraryId = localLibrary.Id });