1 files changed, 29 insertions, 0 deletions
diff --git a/db/post_migrate/20230221214519_remove_incorrectly_onboarded_namespaces_from_onboarding_progress.rb b/db/post_migrate/20230221214519_remove_incorrectly_onboarded_namespaces_from_onboarding_progress.rb
new file mode 100644
index 00000000000..5672fc42851
--- /dev/null
+++ b/db/post_migrate/20230221214519_remove_incorrectly_onboarded_namespaces_from_onboarding_progress.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+class RemoveIncorrectlyOnboardedNamespacesFromOnboardingProgress < Gitlab::Database::Migration[2.1]
+  disable_ddl_transaction!
+  restrict_gitlab_migration gitlab_schema: :gitlab_main
+
+  class OnboardingProgress < MigrationRecord
+    include EachBatch
+
+    self.table_name = 'onboarding_progresses'
+  end
+
+  class Project < MigrationRecord
+    self.table_name = 'projects'
+  end
+
+  def up
+    names = ['Learn GitLab', 'Learn GitLab - Ultimate trial']
+
+    OnboardingProgress.each_batch(of: 500) do |batch|
+      namespaces_to_keep = Project.where(name: names, namespace_id: batch.select(:namespace_id)).select(:namespace_id)
+      batch.where.not(namespace_id: namespaces_to_keep).delete_all
+    end
+  end
+
+  def down
+    # no op
+  end
+end