Commit 193ac8fa authored by Simon Knox's avatar Simon Knox

Revert "Merge branch 'broadcast-messages-cache' into 'master'"

This reverts commit c19ea197, reversing
changes made to 0887a2bd.
parent 30ee6076
......@@ -14,15 +14,9 @@ class BroadcastMessage < ActiveRecord::Base
default_value_for :color, '#E75E40'
default_value_for :font, '#FFFFFF'
CACHE_KEY = 'broadcast_message_current'.freeze
after_commit :flush_redis_cache
def self.current
Rails.cache.fetch(CACHE_KEY) do
where('ends_at > :now AND starts_at <= :now', now: Time.zone.now)
.reorder(id: :asc)
.to_a
Rails.cache.fetch("broadcast_message_current", expires_in: 1.minute) do
where('ends_at > :now AND starts_at <= :now', now: Time.zone.now).order([:created_at, :id]).to_a
end
end
......@@ -37,8 +31,4 @@ class BroadcastMessage < ActiveRecord::Base
def ended?
ends_at < Time.zone.now
end
def flush_redis_cache
Rails.cache.delete(CACHE_KEY)
end
end
---
title: Better caching and indexing of broadcast messages
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 AddBroadcastMessagesIndex < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
# Set this constant to true if this migration requires downtime.
DOWNTIME = false
disable_ddl_transaction!
COLUMNS = %i[starts_at ends_at id].freeze
def up
add_concurrent_index :broadcast_messages, COLUMNS
end
def down
remove_concurrent_index :broadcast_messages, COLUMNS
end
end
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class AddBroadcastMessageNotNullConstraints < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
# Set this constant to true if this migration requires downtime.
DOWNTIME = false
COLUMNS = %i[starts_at ends_at created_at updated_at message_html]
def change
COLUMNS.each do |column|
change_column_null :broadcast_messages, column, false
end
end
end
......@@ -163,18 +163,16 @@ ActiveRecord::Schema.define(version: 20170809142252) do
create_table "broadcast_messages", force: :cascade do |t|
t.text "message", null: false
t.datetime "starts_at", null: false
t.datetime "ends_at", null: false
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.datetime "starts_at"
t.datetime "ends_at"
t.datetime "created_at"
t.datetime "updated_at"
t.string "color"
t.string "font"
t.text "message_html", null: false
t.text "message_html"
t.integer "cached_markdown_version"
end
add_index "broadcast_messages", ["starts_at", "ends_at", "id"], name: "index_broadcast_messages_on_starts_at_and_ends_at_and_id", using: :btree
create_table "chat_names", force: :cascade do |t|
t.integer "user_id", null: false
t.integer "service_id", null: false
......
......@@ -20,7 +20,7 @@ describe BroadcastMessage do
it { is_expected.not_to allow_value('000').for(:font) }
end
describe '.current', :use_clean_rails_memory_store_caching do
describe '.current' do
it 'returns message if time match' do
message = create(:broadcast_message)
......@@ -45,14 +45,6 @@ describe BroadcastMessage do
expect(described_class.current).to be_empty
end
it 'caches the output of the query' do
create(:broadcast_message)
expect(described_class).to receive(:where).and_call_original.once
2.times { described_class.current }
end
end
describe '#active?' do
......@@ -110,14 +102,4 @@ describe BroadcastMessage do
end
end
end
describe '#flush_redis_cache' do
it 'flushes the Redis cache' do
message = create(:broadcast_message)
expect(Rails.cache).to receive(:delete).with(described_class::CACHE_KEY)
message.flush_redis_cache
end
end
end
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