From a7d26f00c35b945199d40332349f463043ae6122 Mon Sep 17 00:00:00 2001
From: Hiroyuki Sato <sathiroyuki@gmail.com>
Date: Fri, 12 Jan 2018 20:38:36 +0000
Subject: Display related merge requests in commit detail page

---
 ...123848_add_index_on_merge_request_diff_commit_sha.rb | 17 +++++++++++++++++
 db/schema.rb                                            |  1 +
 2 files changed, 18 insertions(+)
 create mode 100644 db/migrate/20170827123848_add_index_on_merge_request_diff_commit_sha.rb

(limited to 'db')

diff --git a/db/migrate/20170827123848_add_index_on_merge_request_diff_commit_sha.rb b/db/migrate/20170827123848_add_index_on_merge_request_diff_commit_sha.rb
new file mode 100644
index 00000000000..1b360b231a8
--- /dev/null
+++ b/db/migrate/20170827123848_add_index_on_merge_request_diff_commit_sha.rb
@@ -0,0 +1,17 @@
+# rubocop:disable RemoveIndex
+
+class AddIndexOnMergeRequestDiffCommitSha < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :merge_request_diff_commits, :sha, length: Gitlab::Database.mysql? ? 20 : nil
+  end
+
+  def down
+    remove_index :merge_request_diff_commits, :sha if index_exists? :merge_request_diff_commits, :sha
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 8a6db61250b..f47accca21a 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -1013,6 +1013,7 @@ ActiveRecord::Schema.define(version: 20180105212544) do
   end
 
   add_index "merge_request_diff_commits", ["merge_request_diff_id", "relative_order"], name: "index_merge_request_diff_commits_on_mr_diff_id_and_order", unique: true, using: :btree
+  add_index "merge_request_diff_commits", ["sha"], name: "index_merge_request_diff_commits_on_sha", using: :btree
 
   create_table "merge_request_diff_files", id: false, force: :cascade do |t|
     t.integer "merge_request_diff_id", null: false
-- 
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