1 files changed, 17 insertions, 0 deletions
diff --git a/db/migrate/20220204154220_add_index_on_greatest_done_at_to_container_repositories.rb b/db/migrate/20220204154220_add_index_on_greatest_done_at_to_container_repositories.rb
new file mode 100644
index 00000000000..455a8478cc4
--- /dev/null
+++ b/db/migrate/20220204154220_add_index_on_greatest_done_at_to_container_repositories.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class AddIndexOnGreatestDoneAtToContainerRepositories < Gitlab::Database::Migration[1.0]
+  INDEX_NAME = 'index_container_repositories_on_greatest_done_at'
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :container_repositories,
+                         'GREATEST(migration_pre_import_done_at, migration_import_done_at, migration_aborted_at)',
+                         where: "migration_state IN ('import_done', 'pre_import_done', 'import_aborted')",
+                         name: INDEX_NAME
+  end
+
+  def down
+    remove_concurrent_index_by_name :container_repositories, INDEX_NAME
+  end
+end