Remove default value for lock_version

1 files changed, 16 insertions, 0 deletions

diff --git a/db/migrate/20160827011312_ensure_lock_version_has_no_default.rb b/db/migrate/20160827011312_ensure_lock_version_has_no_default.rb
new file mode 100644
index 00000000000..7c55bc23cf2
--- /dev/null
+++ b/db/migrate/20160827011312_ensure_lock_version_has_no_default.rb
@@ -0,0 +1,16 @@
+class EnsureLockVersionHasNoDefault < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def up
+    change_column_default :issues, :lock_version, nil
+    change_column_default :merge_requests, :lock_version, nil
+
+    execute('UPDATE issues SET lock_version = 1 WHERE lock_version = 0')
+    execute('UPDATE merge_requests SET lock_version = 1 WHERE lock_version = 0')
+  end
+
+  def down
+  end
+end