1 files changed, 25 insertions, 0 deletions
diff --git a/db/post_migrate/20211118194239_drop_invalid_remediations.rb b/db/post_migrate/20211118194239_drop_invalid_remediations.rb
new file mode 100644
index 00000000000..93edde87936
--- /dev/null
+++ b/db/post_migrate/20211118194239_drop_invalid_remediations.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+class DropInvalidRemediations < Gitlab::Database::Migration[1.0]
+  BATCH_SIZE = 3_000
+  DELAY_INTERVAL = 3.minutes
+  MIGRATION_NAME = 'DropInvalidRemediations'
+  DAY_PRIOR_TO_BUG_INTRODUCTION = DateTime.new(2021, 8, 1, 0, 0, 0)
+
+  disable_ddl_transaction!
+
+  def up
+    return unless Gitlab.ee?
+
+    relation = Gitlab::BackgroundMigration::DropInvalidRemediations::FindingRemediation.where("created_at > ?", DAY_PRIOR_TO_BUG_INTRODUCTION)
+    queue_background_migration_jobs_by_range_at_intervals(relation,
+                                                          MIGRATION_NAME,
+                                                          DELAY_INTERVAL,
+                                                          batch_size: BATCH_SIZE,
+                                                          track_jobs: true)
+  end
+
+  def down
+    # no-op
+  end
+end