1 files changed, 18 insertions, 0 deletions
diff --git a/db/post_migrate/20221110100600_add_temp_index_on_overlong_vulnerability_html_title.rb b/db/post_migrate/20221110100600_add_temp_index_on_overlong_vulnerability_html_title.rb
new file mode 100644
index 00000000000..5ff56874e11
--- /dev/null
+++ b/db/post_migrate/20221110100600_add_temp_index_on_overlong_vulnerability_html_title.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class AddTempIndexOnOverlongVulnerabilityHtmlTitle < Gitlab::Database::Migration[2.0]
+  INDEX_NAME = 'tmp_index_vulnerability_overlong_title_html'
+
+  disable_ddl_transaction!
+
+  def up
+    # Temporary index to speed up the truncation of vulnerabilities with invalid html title length
+    add_concurrent_index :vulnerabilities, [:id],
+      name: INDEX_NAME,
+      where: "LENGTH(title_html) > 800"
+  end
+
+  def down
+    remove_concurrent_index_by_name :vulnerabilities, INDEX_NAME
+  end
+end