Commit 118dcff0 authored by Sean McGivern's avatar Sean McGivern

Merge branch 'reorganise-issues-indexes-for-sorting' into 'master'

Re-organise "issues" indexes for faster ordering

See merge request !13278
parents 57aa5d63 9b3f0569
---
title: Re-organise "issues" indexes for faster ordering
merge_request:
author:
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class ReorganiseIssuesIndexesForFasterSorting < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
# Set this constant to true if this migration requires downtime.
DOWNTIME = false
disable_ddl_transaction!
REMOVE_INDEX_COLUMNS = %i[project_id created_at due_date updated_at].freeze
ADD_INDEX_COLUMNS = [
%i[project_id created_at id state],
%i[project_id due_date id state],
%i[project_id updated_at id state]
].freeze
TABLE = :issues
def up
add_indexes(ADD_INDEX_COLUMNS)
remove_indexes(REMOVE_INDEX_COLUMNS)
end
def down
add_indexes(REMOVE_INDEX_COLUMNS)
remove_indexes(ADD_INDEX_COLUMNS)
end
def add_indexes(columns)
columns.each do |column|
add_concurrent_index(TABLE, column) unless index_exists?(TABLE, column)
end
end
def remove_indexes(columns)
columns.each do |column|
remove_concurrent_index(TABLE, column) if index_exists?(TABLE, column)
end
end
end
......@@ -11,7 +11,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 20170728101014) do
ActiveRecord::Schema.define(version: 20170803130232) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
......@@ -641,12 +641,13 @@ ActiveRecord::Schema.define(version: 20170728101014) do
add_index "issues", ["assignee_id"], name: "index_issues_on_assignee_id", using: :btree
add_index "issues", ["author_id"], name: "index_issues_on_author_id", using: :btree
add_index "issues", ["confidential"], name: "index_issues_on_confidential", using: :btree
add_index "issues", ["created_at"], name: "index_issues_on_created_at", using: :btree
add_index "issues", ["deleted_at"], name: "index_issues_on_deleted_at", using: :btree
add_index "issues", ["description"], name: "index_issues_on_description_trigram", using: :gin, opclasses: {"description"=>"gin_trgm_ops"}
add_index "issues", ["due_date"], name: "index_issues_on_due_date", using: :btree
add_index "issues", ["milestone_id"], name: "index_issues_on_milestone_id", using: :btree
add_index "issues", ["project_id", "created_at", "id", "state"], name: "index_issues_on_project_id_and_created_at_and_id_and_state", using: :btree
add_index "issues", ["project_id", "due_date", "id", "state"], name: "index_issues_on_project_id_and_due_date_and_id_and_state", using: :btree
add_index "issues", ["project_id", "iid"], name: "index_issues_on_project_id_and_iid", unique: true, using: :btree
add_index "issues", ["project_id", "updated_at", "id", "state"], name: "index_issues_on_project_id_and_updated_at_and_id_and_state", using: :btree
add_index "issues", ["relative_position"], name: "index_issues_on_relative_position", using: :btree
add_index "issues", ["state"], name: "index_issues_on_state", using: :btree
add_index "issues", ["title"], name: "index_issues_on_title_trigram", using: :gin, opclasses: {"title"=>"gin_trgm_ops"}
......
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