parent d3a407d6
---
title: Add index to find stuck merge requests.
merge_request: 22749
author:
type: performance
# frozen_string_literal: true
class AddIndexForStuckMrQuery < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
def up
add_concurrent_index :merge_requests, [:id, :merge_jid], where: "merge_jid IS NOT NULL and state = 'locked'"
end
def down
remove_concurrent_index :merge_requests, [:id, :merge_jid], where: "merge_jid IS NOT NULL and state = 'locked'"
end
end
......@@ -11,7 +11,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 20181031190559) do
ActiveRecord::Schema.define(version: 20181101144347) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
......@@ -1294,6 +1294,7 @@ ActiveRecord::Schema.define(version: 20181031190559) do
add_index "merge_requests", ["created_at"], name: "index_merge_requests_on_created_at", using: :btree
add_index "merge_requests", ["description"], name: "index_merge_requests_on_description_trigram", using: :gin, opclasses: {"description"=>"gin_trgm_ops"}
add_index "merge_requests", ["head_pipeline_id"], name: "index_merge_requests_on_head_pipeline_id", using: :btree
add_index "merge_requests", ["id", "merge_jid"], name: "index_merge_requests_on_id_and_merge_jid", where: "((merge_jid IS NOT NULL) AND ((state)::text = 'locked'::text))", using: :btree
add_index "merge_requests", ["latest_merge_request_diff_id"], name: "index_merge_requests_on_latest_merge_request_diff_id", using: :btree
add_index "merge_requests", ["merge_user_id"], name: "index_merge_requests_on_merge_user_id", where: "(merge_user_id IS NOT NULL)", using: :btree
add_index "merge_requests", ["milestone_id"], name: "index_merge_requests_on_milestone_id", using: :btree
......
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