Merge branch 'master' of gitlab.com:gitlab-org/gitlab-ce into alerts-dropdown-to-modal-part-2-cealerts-dropdown-to-modal-part-2-ce

1 files changed, 17 insertions, 0 deletions

diff --git a/db/post_migrate/20190715044501_add_unique_issue_id_sha_index_to_versions.rb b/db/post_migrate/20190715044501_add_unique_issue_id_sha_index_to_versions.rb
new file mode 100644
index 00000000000..27b0c9648f9
--- /dev/null
+++ b/db/post_migrate/20190715044501_add_unique_issue_id_sha_index_to_versions.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class AddUniqueIssueIdShaIndexToVersions < ActiveRecord::Migration[5.2]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :design_management_versions, [:sha, :issue_id], unique: true, using: :btree
+  end
+
+  def down
+    remove_concurrent_index :design_management_versions, [:sha, :issue_id]
+  end
+end