1 files changed, 19 insertions, 0 deletions
diff --git a/db/post_migrate/20210517075444_remove_temporary_index_for_project_topics_to_taggings.rb b/db/post_migrate/20210517075444_remove_temporary_index_for_project_topics_to_taggings.rb
new file mode 100644
index 00000000000..bfd09653695
--- /dev/null
+++ b/db/post_migrate/20210517075444_remove_temporary_index_for_project_topics_to_taggings.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class RemoveTemporaryIndexForProjectTopicsToTaggings < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  INDEX_NAME = 'tmp_index_taggings_on_id_where_taggable_type_project_and_tags'
+  INDEX_CONDITION = "taggable_type = 'Project' AND context = 'tags'"
+
+  disable_ddl_transaction!
+
+  def up
+    # this index was used in 20210511095658_schedule_migrate_project_taggings_context_from_tags_to_topics
+    remove_concurrent_index_by_name :taggings, INDEX_NAME
+  end
+
+  def down
+    add_concurrent_index :taggings, :id, where: INDEX_CONDITION, name: INDEX_NAME
+  end
+end