Added transaction explicitly to migration

migrations/versions/2025_01_21_0820-4dec3e456c9e_add_on_delete_cascade.py

@@ -18,6 +18,9 @@
 
 
 def upgrade() -> None:
+    # Begin transaction
+    op.execute("BEGIN TRANSACTION;")
+
     # To add ON DELETE CASCADE to the foreign key constraint, we need to
     # rename the table, create a new table with the constraint, and copy
     # the data over.
@@ -101,6 +104,9 @@ def upgrade() -> None:
     op.execute("CREATE INDEX idx_prompts_workspace_id ON prompts (workspace_id);")
     op.execute("CREATE INDEX idx_sessions_workspace_id ON sessions (active_workspace_id);")
 
+    # Finish transaction
+    op.execute("COMMIT;")
+
 
 def downgrade() -> None:
     # Settings table