1 files changed, 28 insertions, 0 deletions
diff --git a/db/post_migrate/20210426094549_backfill_ci_builds_for_bigint_conversion.rb b/db/post_migrate/20210426094549_backfill_ci_builds_for_bigint_conversion.rb
new file mode 100644
index 00000000000..972df41f678
--- /dev/null
+++ b/db/post_migrate/20210426094549_backfill_ci_builds_for_bigint_conversion.rb
@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+class BackfillCiBuildsForBigintConversion < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  TABLE = :ci_builds
+  COLUMNS = %i(id stage_id).freeze
+
+  def up
+    return unless should_run?
+
+    backfill_conversion_of_integer_to_bigint TABLE, COLUMNS, batch_size: 15000, sub_batch_size: 100
+  end
+
+  def down
+    return unless should_run?
+
+    revert_backfill_conversion_of_integer_to_bigint TABLE, COLUMNS
+  end
+
+  private
+
+  def should_run?
+    Gitlab.dev_or_test_env? || Gitlab.com?
+  end
+end