1 files changed, 19 insertions, 0 deletions
diff --git a/db/migrate/20210302103851_add_deployed_deployment_id_index_to_project_pages_metadata.rb b/db/migrate/20210302103851_add_deployed_deployment_id_index_to_project_pages_metadata.rb
new file mode 100644
index 00000000000..e10e9a912cc
--- /dev/null
+++ b/db/migrate/20210302103851_add_deployed_deployment_id_index_to_project_pages_metadata.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class AddDeployedDeploymentIdIndexToProjectPagesMetadata < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  INDEX_NAME = 'index_on_pages_metadata_not_migrated'
+
+  def up
+    add_concurrent_index :project_pages_metadata, :project_id, where: "deployed = TRUE AND pages_deployment_id is NULL", name: INDEX_NAME
+  end
+
+  def down
+    remove_concurrent_index_by_name :project_pages_metadata, INDEX_NAME
+  end
+end