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-rw-r--r--db/migrate/20220401045116_add_user_id_and_state_index_to_merge_request_reviewers.rb15
1 files changed, 15 insertions, 0 deletions
diff --git a/db/migrate/20220401045116_add_user_id_and_state_index_to_merge_request_reviewers.rb b/db/migrate/20220401045116_add_user_id_and_state_index_to_merge_request_reviewers.rb
new file mode 100644
index 00000000000..0788dd9583c
--- /dev/null
+++ b/db/migrate/20220401045116_add_user_id_and_state_index_to_merge_request_reviewers.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class AddUserIdAndStateIndexToMergeRequestReviewers < Gitlab::Database::Migration[1.0]
+ disable_ddl_transaction!
+
+ INDEX_NAME = 'index_on_merge_request_reviewers_user_id_and_state'
+
+ def up
+ add_concurrent_index :merge_request_reviewers, [:user_id, :state], where: 'state = 2', name: INDEX_NAME
+ end
+
+ def down
+ remove_concurrent_index_by_name :merge_request_reviewers, INDEX_NAME
+ end
+end