Merge branch 'mysql_field_limits' into 'master'

Adjust MySQL limits for existing installations

CHANGELOG

+v 6.9.0
+  - Store Rails cache data in the Redis `cache:gitlab` namespace
+  - Adjust MySQL limits for existing installations
+
 v 6.8.0
   - Ability to at mention users that are participating in issue and merge req. discussion
   - Enabled GZip Compression for assets in example Nginx, make sure that Nginx is compiled with --with-http_gzip_static_module flag (this is default in Ubuntu)
@@ -17,7 +21,6 @@ v 6.8.0
   - Fix download link for huge MR diffs
   - Expose event and mergerequest timestamps in API
   - Fix emails on push service when only one commit is pushed
-  - Store Rails cache data in the Redis `cache:gitlab` namespace
 
 v 6.7.3
   - Fix the merge notification email not being sent (Pierre de La Morinerie)

db/migrate/20140415124820_limits_to_mysql.rb

+require_relative 'limits_to_mysql'

db/migrate/limits_to_mysql.rb

+class LimitsToMysql < ActiveRecord::Migration
+  def up
+    return unless ActiveRecord::Base.configurations[Rails.env]['adapter'] =~ /^mysql/
+
+    change_column :merge_request_diffs, :st_commits, :text, limit: 2147483647
+    change_column :merge_request_diffs, :st_diffs, :text, limit: 2147483647
+    change_column :snippets, :content, :text, limit: 2147483647
+    change_column :notes, :st_diff, :text, limit: 2147483647
+  end
+end

lib/tasks/gitlab/setup.rake

@@ -15,14 +15,7 @@ namespace :gitlab do
     end
 
     Rake::Task["db:setup"].invoke
-
-    config = YAML.load_file(File.join(Rails.root,'config','database.yml'))[Rails.env]
-    success = case config["adapter"]
-              when /^mysql/ then
-                Rake::Task["add_limits_mysql"].invoke
-              when "postgresql" then
-              end
-
+    Rake::Task["add_limits_mysql"].invoke
     Rake::Task["db:seed_fu"].invoke
   rescue Gitlab::TaskAbortedByUserError
     puts "Quitting...".red

lib/tasks/migrate/add_limits_mysql.rake

+require Rails.root.join('db/migrate/limits_to_mysql')
+
 desc "GITLAB | Add limits to strings in mysql database"
 task add_limits_mysql: :environment do
   puts "Adding limits to schema.rb for mysql"
   LimitsToMysql.new.up
 end
-
-class LimitsToMysql < ActiveRecord::Migration
-  def up
-    change_column :merge_request_diffs, :st_commits, :text, limit: 2147483647
-    change_column :merge_request_diffs, :st_diffs, :text, limit: 2147483647
-    change_column :snippets, :content, :text, limit: 2147483647
-    change_column :notes, :st_diff, :text, limit: 2147483647
-  end
-end