1 files changed, 20 insertions, 0 deletions
diff --git a/db/migrate/20220405125459_add_non_migrated_index_to_container_repositories.rb b/db/migrate/20220405125459_add_non_migrated_index_to_container_repositories.rb
new file mode 100644
index 00000000000..7aad10c288b
--- /dev/null
+++ b/db/migrate/20220405125459_add_non_migrated_index_to_container_repositories.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+class AddNonMigratedIndexToContainerRepositories < Gitlab::Database::Migration[1.0]
+  disable_ddl_transaction!
+
+  # follow up issue: https://gitlab.com/gitlab-org/gitlab/-/issues/358407
+  INDEX_NAME = 'tmp_idx_container_repos_on_non_migrated'
+  MIGRATION_PHASE_1_ENDED_AT = '2022-01-23'
+
+  def up
+    add_concurrent_index :container_repositories,
+                         [:project_id, :id],
+                         name: INDEX_NAME,
+                         where: "migration_state != 'import_done' AND created_at < '#{MIGRATION_PHASE_1_ENDED_AT}'"
+  end
+
+  def down
+    remove_concurrent_index_by_name :container_repositories, INDEX_NAME
+  end
+end