|
|
@@ -53,6 +53,49 @@ namespace :redmine do |
|
|
|
Rake::Task["redmine:plugins:assets"].invoke |
|
|
|
end |
|
|
|
|
|
|
|
desc <<-DESC |
|
|
|
FOR EXPERIMENTAL USE ONLY, Moves Redmine data from production database to the development database. |
|
|
|
This task should only be used when you need to move data from one DBMS to a different one (eg. MySQL to PostgreSQL). |
|
|
|
WARNING: All data in the development database is deleted. |
|
|
|
DESC |
|
|
|
|
|
|
|
task :migrate_dbms => :environment do |
|
|
|
ActiveRecord::Base.establish_connection :production |
|
|
|
|
|
|
|
(ActiveRecord::Base.connection.tables - %w(schema_migrations plugin_schema_info)).each do |table_name| |
|
|
|
Source = Class.new(ActiveRecord::Base) |
|
|
|
Target = Class.new(ActiveRecord::Base) |
|
|
|
Target.establish_connection(:development) |
|
|
|
|
|
|
|
[Source, Target].each do |klass| |
|
|
|
klass.table_name = table_name |
|
|
|
klass.reset_column_information |
|
|
|
klass.inheritance_column = "foo" |
|
|
|
klass.record_timestamps = false |
|
|
|
end |
|
|
|
Target.primary_key = (Target.column_names.include?("id") ? "id" : nil) |
|
|
|
|
|
|
|
source_count = Source.count |
|
|
|
puts "Migrating %6d records from #{table_name}..." % source_count |
|
|
|
|
|
|
|
Target.delete_all |
|
|
|
offset = 0 |
|
|
|
while (objects = Source.offset(offset).limit(5000).order("1,2").to_a) && objects.any? |
|
|
|
offset += objects.size |
|
|
|
Target.transaction do |
|
|
|
objects.each do |object| |
|
|
|
new_object = Target.new(object.attributes) |
|
|
|
new_object.id = object.id if Target.primary_key |
|
|
|
new_object.save(:validate => false) |
|
|
|
end |
|
|
|
end |
|
|
|
end |
|
|
|
Target.connection.reset_pk_sequence!(table_name) if Target.primary_key |
|
|
|
target_count = Target.count |
|
|
|
abort "Some records were not migrated" unless source_count == target_count |
|
|
|
end |
|
|
|
end |
|
|
|
|
|
|
|
namespace :plugins do |
|
|
|
desc 'Migrates installed plugins.' |
|
|
|
task :migrate => :environment do |