1 files changed, 24 insertions, 0 deletions
diff --git a/db/migrate/20200406172135_add_not_null_constraint_on_file_store_to_uploads.rb b/db/migrate/20200406172135_add_not_null_constraint_on_file_store_to_uploads.rb
new file mode 100644
index 00000000000..aa498ba9c89
--- /dev/null
+++ b/db/migrate/20200406172135_add_not_null_constraint_on_file_store_to_uploads.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+class AddNotNullConstraintOnFileStoreToUploads < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  CONSTRAINT_NAME = 'uploads_store_not_null'
+  DOWNTIME = false
+
+  def up
+    with_lock_retries do
+      execute <<~SQL
+        ALTER TABLE uploads ADD CONSTRAINT #{CONSTRAINT_NAME} CHECK (store IS NOT NULL) NOT VALID;
+      SQL
+    end
+  end
+
+  def down
+    with_lock_retries do
+      execute <<~SQL
+        ALTER TABLE uploads DROP CONSTRAINT IF EXISTS #{CONSTRAINT_NAME};
+      SQL
+    end
+  end
+end