1 files changed, 17 insertions, 0 deletions
diff --git a/db/post_migrate/20211103162025_add_index_on_events_using_btree_created_at_id.rb b/db/post_migrate/20211103162025_add_index_on_events_using_btree_created_at_id.rb
new file mode 100644
index 00000000000..33d5833db1a
--- /dev/null
+++ b/db/post_migrate/20211103162025_add_index_on_events_using_btree_created_at_id.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class AddIndexOnEventsUsingBtreeCreatedAtId < Gitlab::Database::Migration[1.0]
+  INDEX_NAME = 'index_events_on_created_at_and_id'
+  TABLE = :events
+  COLUMNS = %i[created_at id]
+  CONSTRAINTS = "created_at > '2021-08-27 00:00:00+00'"
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index TABLE, COLUMNS, name: INDEX_NAME, where: CONSTRAINTS
+  end
+
+  def down
+    remove_concurrent_index TABLE, COLUMNS, name: INDEX_NAME, where: CONSTRAINTS
+  end
+end