1 files changed, 18 insertions, 0 deletions
diff --git a/db/post_migrate/20220707192420_remove_tmp_idx_merge_requests_draft_and_status.rb b/db/post_migrate/20220707192420_remove_tmp_idx_merge_requests_draft_and_status.rb
new file mode 100644
index 00000000000..a8cfea02463
--- /dev/null
+++ b/db/post_migrate/20220707192420_remove_tmp_idx_merge_requests_draft_and_status.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class RemoveTmpIdxMergeRequestsDraftAndStatus < Gitlab::Database::Migration[2.0]
+  disable_ddl_transaction!
+
+  INDEX_NAME = "tmp_index_merge_requests_draft_and_status"
+  CORRECTED_REGEXP_STR = "^(\\[draft\\]|\\(draft\\)|draft:|draft|\\[WIP\\]|WIP:|WIP)"
+
+  def up
+    remove_concurrent_index_by_name :merge_requests, INDEX_NAME
+  end
+
+  def down
+    add_concurrent_index :merge_requests, :id,
+      where: "draft = false AND state_id = 1 AND ((title)::text ~* '#{CORRECTED_REGEXP_STR}'::text)",
+      name: INDEX_NAME
+  end
+end