1 files changed, 26 insertions, 0 deletions
diff --git a/db/post_migrate/20220720090354_remove_pending_builds_covering_index_from_ci_builds.rb b/db/post_migrate/20220720090354_remove_pending_builds_covering_index_from_ci_builds.rb
new file mode 100644
index 00000000000..fb3d12840cc
--- /dev/null
+++ b/db/post_migrate/20220720090354_remove_pending_builds_covering_index_from_ci_builds.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+class RemovePendingBuildsCoveringIndexFromCiBuilds < Gitlab::Database::Migration[2.0]
+  disable_ddl_transaction!
+
+  INDEX_NAME = 'index_ci_builds_runner_id_pending_covering'
+
+  def up
+    remove_concurrent_index_by_name :ci_builds, INDEX_NAME
+  end
+
+  # rubocop:disable Migration/PreventIndexCreation
+  def down
+    disable_statement_timeout do
+      unless index_exists_by_name?(:ci_builds, INDEX_NAME)
+        execute <<~SQL.squish
+          CREATE INDEX CONCURRENTLY #{INDEX_NAME}
+            ON ci_builds (runner_id, id)
+            INCLUDE (project_id)
+            WHERE status = 'pending' AND type = 'Ci::Build'
+        SQL
+      end
+    end
+  end
+  # rubocop:enable Migration/PreventIndexCreation
+end