1 files changed, 15 insertions, 0 deletions
diff --git a/db/migrate/20211011140930_create_ci_namespace_mirrors.rb b/db/migrate/20211011140930_create_ci_namespace_mirrors.rb
new file mode 100644
index 00000000000..b9a708c5d7b
--- /dev/null
+++ b/db/migrate/20211011140930_create_ci_namespace_mirrors.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class CreateCiNamespaceMirrors < Gitlab::Database::Migration[1.0]
+  TABLE_NAME = :ci_namespace_mirrors
+  INDEX_NAME = "index_gin_#{TABLE_NAME}_on_traversal_ids"
+
+  def change
+    create_table TABLE_NAME do |t|
+      t.integer :namespace_id, null: false, index: { unique: true }
+      t.integer :traversal_ids, array: true, default: [], null: false
+
+      t.index :traversal_ids, name: INDEX_NAME, using: :gin
+    end
+  end
+end