Commit 94b17a4a authored by Mayra Cabrera's avatar Mayra Cabrera

Merge branch '30390-cablett-duplicate-labels-due-to-race-condittion' into 'master'

Add two partial nonunique indexes

See merge request gitlab-org/gitlab!21230
parents 6e5c3129 52db12ee
---
title: Add nonunique indexes to Labels
merge_request: 21230
author:
type: fixed
# frozen_string_literal: true
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class AddLabelProjectGroupPartialIndexes < ActiveRecord::Migration[5.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
PROJECT_AND_TITLE = [:project_id, :title]
GROUP_AND_TITLE = [:group_id, :title]
def up
add_concurrent_index :labels, PROJECT_AND_TITLE, unique: false, where: "labels.group_id = null"
add_concurrent_index :labels, GROUP_AND_TITLE, unique: false, where: "labels.project_id = null"
end
def down
remove_concurrent_index :labels, PROJECT_AND_TITLE
remove_concurrent_index :labels, GROUP_AND_TITLE
end
end
......@@ -10,7 +10,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 2019_12_04_070713) do
ActiveRecord::Schema.define(version: 2019_12_04_093410) do
# These are extensions that must be enabled in order to support this database
enable_extension "pg_trgm"
......@@ -2228,6 +2228,8 @@ ActiveRecord::Schema.define(version: 2019_12_04_070713) do
t.integer "group_id"
t.integer "cached_markdown_version"
t.index ["group_id", "project_id", "title"], name: "index_labels_on_group_id_and_project_id_and_title", unique: true
t.index ["group_id", "title"], name: "index_labels_on_group_id_and_title", where: "(project_id = NULL::integer)"
t.index ["project_id", "title"], name: "index_labels_on_project_id_and_title", where: "(group_id = NULL::integer)"
t.index ["project_id"], name: "index_labels_on_project_id"
t.index ["template"], name: "index_labels_on_template", where: "template"
t.index ["title"], name: "index_labels_on_title"
......
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