From 9c4071fe8684e320d398a2f8bdcfbdffdd64ec68 Mon Sep 17 00:00:00 2001
From: "Thiago Marcos P. Santos" <tmpsantos@gmail.com>
Date: Mon, 21 Aug 2017 17:58:27 +0300
Subject: [PATCH] [core] Remove database on schema downgrade

Previously we were throwing an exception.
---
 platform/default/mbgl/storage/offline_database.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/platform/default/mbgl/storage/offline_database.cpp b/platform/default/mbgl/storage/offline_database.cpp
index 02736f10a..204ee04c9 100644
--- a/platform/default/mbgl/storage/offline_database.cpp
+++ b/platform/default/mbgl/storage/offline_database.cpp
@@ -50,7 +50,7 @@ void OfflineDatabase::ensureSchema() {
             case 3: // no-op and fall through
             case 4: migrateToVersion5(); // fall through
             case 5: return;
-            default: throw std::runtime_error("unknown schema version");
+            default: break; // downgrade, delete the database
             }
 
             removeExisting();