1 files changed, 42 insertions, 0 deletions
diff --git a/db/migrate/20201104204739_create_bulk_import_trackers.rb b/db/migrate/20201104204739_create_bulk_import_trackers.rb
new file mode 100644
index 00000000000..906bd06248d
--- /dev/null
+++ b/db/migrate/20201104204739_create_bulk_import_trackers.rb
@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+class CreateBulkImportTrackers < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    with_lock_retries do
+      unless table_exists?(:bulk_import_trackers)
+        create_table :bulk_import_trackers do |t|
+          t.references :bulk_import_entity,
+            null: false,
+            index: false,
+            foreign_key: { on_delete: :cascade }
+
+          t.text :relation, null: false
+          t.text :next_page
+          t.boolean :has_next_page, default: false, null: false
+
+          t.index %w(bulk_import_entity_id relation),
+            unique: true,
+            name: :bulk_import_trackers_uniq_relation_by_entity
+        end
+      end
+    end
+
+    add_check_constraint :bulk_import_trackers,
+      '(has_next_page IS FALSE or next_page IS NOT NULL)',
+      'check_next_page_requirement'
+    add_text_limit :bulk_import_trackers, :relation, 255
+    add_text_limit :bulk_import_trackers, :next_page, 255
+  end
+
+  def down
+    with_lock_retries do
+      drop_table :bulk_import_trackers
+    end
+  end
+end