1 files changed, 23 insertions, 0 deletions
diff --git a/db/migrate/20170927161718_create_gpg_key_subkeys.rb b/db/migrate/20170927161718_create_gpg_key_subkeys.rb
new file mode 100644
index 00000000000..c03c40416a8
--- /dev/null
+++ b/db/migrate/20170927161718_create_gpg_key_subkeys.rb
@@ -0,0 +1,23 @@
+class CreateGpgKeySubkeys < ActiveRecord::Migration
+  DOWNTIME = false
+
+  def up
+    create_table :gpg_key_subkeys do |t|
+      t.references :gpg_key, null: false, index: true, foreign_key: { on_delete: :cascade }
+
+      t.binary :keyid
+      t.binary :fingerprint
+
+      t.index :keyid, unique: true, length: Gitlab::Database.mysql? ? 20 : nil
+      t.index :fingerprint, unique: true, length: Gitlab::Database.mysql? ? 20 : nil
+    end
+
+    add_reference :gpg_signatures, :gpg_key_subkey, index: true, foreign_key: { on_delete: :nullify }
+  end
+
+  def down
+    remove_reference(:gpg_signatures, :gpg_key_subkey, index: true, foreign_key: true)
+
+    drop_table :gpg_key_subkeys
+  end
+end