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-rw-r--r--db/migrate/20170619144837_add_index_for_head_pipeline_merge_request.rb15
1 files changed, 15 insertions, 0 deletions
diff --git a/db/migrate/20170619144837_add_index_for_head_pipeline_merge_request.rb b/db/migrate/20170619144837_add_index_for_head_pipeline_merge_request.rb
new file mode 100644
index 00000000000..02863bee082
--- /dev/null
+++ b/db/migrate/20170619144837_add_index_for_head_pipeline_merge_request.rb
@@ -0,0 +1,15 @@
+class AddIndexForHeadPipelineMergeRequest < ActiveRecord::Migration
+ include Gitlab::Database::MigrationHelpers
+
+ DOWNTIME = false
+
+ disable_ddl_transaction!
+
+ def up
+ add_concurrent_index :merge_requests, :head_pipeline_id
+ end
+
+ def down
+ remove_concurrent_index :merge_requests, :head_pipeline_id if index_exists?(:merge_requests, :head_pipeline_id)
+ end
+end