1 files changed, 23 insertions, 0 deletions
diff --git a/rubocop/cop/gitlab/bulk_insert.rb b/rubocop/cop/gitlab/bulk_insert.rb
new file mode 100644
index 00000000000..c03ffbe0b2a
--- /dev/null
+++ b/rubocop/cop/gitlab/bulk_insert.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+module RuboCop
+  module Cop
+    module Gitlab
+      # Cop that disallows the use of `Gitlab::Database.bulk_insert`, in favour of using
+      # the `BulkInsertSafe` module.
+      class BulkInsert < RuboCop::Cop::Cop
+        MSG = 'Use the `BulkInsertSafe` concern, instead of using `Gitlab::Database.bulk_insert`. See https://docs.gitlab.com/ee/development/insert_into_tables_in_batches.html'
+
+        def_node_matcher :raw_union?, <<~PATTERN
+          (send (const (const nil? :Gitlab) :Database) :bulk_insert ...)
+        PATTERN
+
+        def on_send(node)
+          return unless raw_union?(node)
+
+          add_offense(node, location: :expression)
+        end
+      end
+    end
+  end
+end