GeneralTask
# File lib/redmine_plugin_support/database_task.rb, line 177 def create_database(config) begin if config['adapter'] =~ /sqlite/ if File.exist?(config['database']) $stderr.puts "#{config['database']} already exists" else begin # Create the SQLite database ActiveRecord::Base.establish_connection(config) ActiveRecord::Base.connection rescue $stderr.puts $!, *($!.backtrace) $stderr.puts "Couldn't create database for #{config.inspect}" end end return # Skip the else clause of begin/rescue else ActiveRecord::Base.establish_connection(config) ActiveRecord::Base.connection end rescue case config['adapter'] when 'mysql' @charset = ENV['CHARSET'] || 'utf8' @collation = ENV['COLLATION'] || 'utf8_unicode_ci' begin ActiveRecord::Base.establish_connection(config.merge('database' => nil)) ActiveRecord::Base.connection.create_database(config['database'], :charset => (config['charset'] || @charset), :collation => (config['collation'] || @collation)) ActiveRecord::Base.establish_connection(config) rescue $stderr.puts "Couldn't create database for #{config.inspect}, charset: #{config['charset'] || @charset}, collation: #{config['collation'] || @collation} (if you set the charset manually, make sure you have a matching collation)" end when 'postgresql' @encoding = config[:encoding] || ENV['CHARSET'] || 'utf8' begin ActiveRecord::Base.establish_connection(config.merge('database' => 'postgres', 'schema_search_path' => 'public')) ActiveRecord::Base.connection.create_database(config['database'], config.merge('encoding' => @encoding)) ActiveRecord::Base.establish_connection(config) rescue $stderr.puts $!, *($!.backtrace) $stderr.puts "Couldn't create database for #{config.inspect}" end end else $stderr.puts "#{config['database']} already exists" end end
# File lib/redmine_plugin_support/database_task.rb, line 3 def define # Adding Rails's database rake tasks, we need the db:test:reset one in # order to clear the test database. namespace :db do desc "Raises an error if there are pending migrations" task :abort_if_pending_migrations => :environment do if defined? ActiveRecord pending_migrations = ActiveRecord::Migrator.new(:up, 'db/migrate').pending_migrations if pending_migrations.any? puts "You have #{pending_migrations.size} pending migrations:" pending_migrations.each do |pending_migration| puts ' %4d %s' % [pending_migration.version, pending_migration.name] end abort %{Run "rake db:migrate" to update your database then try again.} end end end namespace :schema do desc "Create a db/schema.rb file that can be portably used against any DB supported by AR" task :dump => :environment do require 'active_record/schema_dumper' File.open(ENV['SCHEMA'] || "#{RAILS_ROOT}/db/schema.rb", "w") do |file| ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, file) end Rake::Task["db:schema:dump"].reenable end desc "Load a schema.rb file into the database" task :load => :environment do file = ENV['SCHEMA'] || "#{RAILS_ROOT}/db/schema.rb" if File.exists?(file) load(file) else abort %{#{file} doesn't exist yet. Run "rake db:migrate" to create it then try again. If you do not intend to use a database, you should instead alter #{RAILS_ROOT}/config/environment.rb to prevent active_record from loading: config.frameworks -= [ :active_record ]} end end end namespace :structure do desc "Dump the database structure to a SQL file" task :dump => :environment do abcs = ActiveRecord::Base.configurations case abcs[RAILS_ENV]["adapter"] when "mysql", "oci", "oracle" ActiveRecord::Base.establish_connection(abcs[RAILS_ENV]) File.open("#{RAILS_ROOT}/db/#{RAILS_ENV}_structure.sql", "w+") { |f| f << ActiveRecord::Base.connection.structure_dump } when "postgresql" ENV['PGHOST'] = abcs[RAILS_ENV]["host"] if abcs[RAILS_ENV]["host"] ENV['PGPORT'] = abcs[RAILS_ENV]["port"].to_s if abcs[RAILS_ENV]["port"] ENV['PGPASSWORD'] = abcs[RAILS_ENV]["password"].to_s if abcs[RAILS_ENV]["password"] search_path = abcs[RAILS_ENV]["schema_search_path"] search_path = "--schema=#{search_path}" if search_path `pg_dump -i -U "#{abcs[RAILS_ENV]["username"]}" -s -x -O -f db/#{RAILS_ENV}_structure.sql #{search_path} #{abcs[RAILS_ENV]["database"]}` raise "Error dumping database" if $?.exitstatus == 1 when "sqlite", "sqlite3" dbfile = abcs[RAILS_ENV]["database"] || abcs[RAILS_ENV]["dbfile"] `#{abcs[RAILS_ENV]["adapter"]} #{dbfile} .schema > db/#{RAILS_ENV}_structure.sql` when "sqlserver" `scptxfr /s #{abcs[RAILS_ENV]["host"]} /d #{abcs[RAILS_ENV]["database"]} /I /f db\\#{RAILS_ENV}_structure.sql /q /A /r` `scptxfr /s #{abcs[RAILS_ENV]["host"]} /d #{abcs[RAILS_ENV]["database"]} /I /F db\ /q /A /r` when "firebird" set_firebird_env(abcs[RAILS_ENV]) db_string = firebird_db_string(abcs[RAILS_ENV]) sh "isql -a #{db_string} > #{RAILS_ROOT}/db/#{RAILS_ENV}_structure.sql" else raise "Task not supported by '#{abcs["test"]["adapter"]}'" end if ActiveRecord::Base.connection.supports_migrations? File.open("#{RAILS_ROOT}/db/#{RAILS_ENV}_structure.sql", "a") { |f| f << ActiveRecord::Base.connection.dump_schema_information } end end end namespace :test do desc "Recreate the test database from the current schema.rb" task :load => 'db:test:purge' do ActiveRecord::Base.establish_connection(ActiveRecord::Base.configurations['test']) ActiveRecord::Schema.verbose = false Rake::Task["db:schema:load"].invoke end desc "Recreate the test database from the current environment's database schema" task :clone => %(db:schema:dump db:test:load) desc "Recreate the test databases from the development structure" task :clone_structure => [ "db:structure:dump", "db:test:purge" ] do abcs = ActiveRecord::Base.configurations case abcs["test"]["adapter"] when "mysql" ActiveRecord::Base.establish_connection(:test) ActiveRecord::Base.connection.execute('SET foreign_key_checks = 0') IO.readlines("#{RAILS_ROOT}/db/#{RAILS_ENV}_structure.sql").join.split("\n\n").each do |table| ActiveRecord::Base.connection.execute(table) end when "postgresql" ENV['PGHOST'] = abcs["test"]["host"] if abcs["test"]["host"] ENV['PGPORT'] = abcs["test"]["port"].to_s if abcs["test"]["port"] ENV['PGPASSWORD'] = abcs["test"]["password"].to_s if abcs["test"]["password"] `psql -U "#{abcs["test"]["username"]}" -f #{RAILS_ROOT}/db/#{RAILS_ENV}_structure.sql #{abcs["test"]["database"]}` when "sqlite", "sqlite3" dbfile = abcs["test"]["database"] || abcs["test"]["dbfile"] `#{abcs["test"]["adapter"]} #{dbfile} < #{RAILS_ROOT}/db/#{RAILS_ENV}_structure.sql` when "sqlserver" `osql -E -S #{abcs["test"]["host"]} -d #{abcs["test"]["database"]} -i db\\#{RAILS_ENV}_structure.sql` when "oci", "oracle" ActiveRecord::Base.establish_connection(:test) IO.readlines("#{RAILS_ROOT}/db/#{RAILS_ENV}_structure.sql").join.split(";\n\n").each do |ddl| ActiveRecord::Base.connection.execute(ddl) end when "firebird" set_firebird_env(abcs["test"]) db_string = firebird_db_string(abcs["test"]) sh "isql -i #{RAILS_ROOT}/db/#{RAILS_ENV}_structure.sql #{db_string}" else raise "Task not supported by '#{abcs["test"]["adapter"]}'" end end desc "Empty the test database" task :purge => :environment do abcs = ActiveRecord::Base.configurations case abcs["test"]["adapter"] when "mysql" ActiveRecord::Base.establish_connection(:test) ActiveRecord::Base.connection.recreate_database(abcs["test"]["database"], abcs["test"]) when "postgresql" ActiveRecord::Base.clear_active_connections! drop_database(abcs['test']) create_database(abcs['test']) when "sqlite","sqlite3" dbfile = abcs["test"]["database"] || abcs["test"]["dbfile"] File.delete(dbfile) if File.exist?(dbfile) when "sqlserver" dropfkscript = "#{abcs["test"]["host"]}.#{abcs["test"]["database"]}.DP1".gsub(/\\/,'-') `osql -E -S #{abcs["test"]["host"]} -d #{abcs["test"]["database"]} -i db\\#{dropfkscript}` `osql -E -S #{abcs["test"]["host"]} -d #{abcs["test"]["database"]} -i db\\#{RAILS_ENV}_structure.sql` when "oci", "oracle" ActiveRecord::Base.establish_connection(:test) ActiveRecord::Base.connection.structure_drop.split(";\n\n").each do |ddl| ActiveRecord::Base.connection.execute(ddl) end when "firebird" ActiveRecord::Base.establish_connection(:test) ActiveRecord::Base.connection.recreate_database! else raise "Task not supported by '#{abcs["test"]["adapter"]}'" end end desc 'Check for pending migrations and load the test schema' task :prepare => 'db:abort_if_pending_migrations' do if defined?(ActiveRecord) && !ActiveRecord::Base.configurations.blank? Rake::Task[{ :sql => "db:test:clone_structure", :ruby => "db:test:load" }[ActiveRecord::Base.schema_format]].invoke end end end end def drop_database(config) case config['adapter'] when 'mysql' ActiveRecord::Base.establish_connection(config) ActiveRecord::Base.connection.drop_database config['database'] when /^sqlite/ FileUtils.rm(File.join(RAILS_ROOT, config['database'])) when 'postgresql' ActiveRecord::Base.establish_connection(config.merge('database' => 'postgres', 'schema_search_path' => 'public')) ActiveRecord::Base.connection.drop_database config['database'] end end def create_database(config) begin if config['adapter'] =~ /sqlite/ if File.exist?(config['database']) $stderr.puts "#{config['database']} already exists" else begin # Create the SQLite database ActiveRecord::Base.establish_connection(config) ActiveRecord::Base.connection rescue $stderr.puts $!, *($!.backtrace) $stderr.puts "Couldn't create database for #{config.inspect}" end end return # Skip the else clause of begin/rescue else ActiveRecord::Base.establish_connection(config) ActiveRecord::Base.connection end rescue case config['adapter'] when 'mysql' @charset = ENV['CHARSET'] || 'utf8' @collation = ENV['COLLATION'] || 'utf8_unicode_ci' begin ActiveRecord::Base.establish_connection(config.merge('database' => nil)) ActiveRecord::Base.connection.create_database(config['database'], :charset => (config['charset'] || @charset), :collation => (config['collation'] || @collation)) ActiveRecord::Base.establish_connection(config) rescue $stderr.puts "Couldn't create database for #{config.inspect}, charset: #{config['charset'] || @charset}, collation: #{config['collation'] || @collation} (if you set the charset manually, make sure you have a matching collation)" end when 'postgresql' @encoding = config[:encoding] || ENV['CHARSET'] || 'utf8' begin ActiveRecord::Base.establish_connection(config.merge('database' => 'postgres', 'schema_search_path' => 'public')) ActiveRecord::Base.connection.create_database(config['database'], config.merge('encoding' => @encoding)) ActiveRecord::Base.establish_connection(config) rescue $stderr.puts $!, *($!.backtrace) $stderr.puts "Couldn't create database for #{config.inspect}" end end else $stderr.puts "#{config['database']} already exists" end end def set_firebird_env(config) ENV["ISC_USER"] = config["username"].to_s if config["username"] ENV["ISC_PASSWORD"] = config["password"].to_s if config["password"] end def firebird_db_string(config) FireRuby::Database.db_string_for(config.symbolize_keys) end end
# File lib/redmine_plugin_support/database_task.rb, line 164 def drop_database(config) case config['adapter'] when 'mysql' ActiveRecord::Base.establish_connection(config) ActiveRecord::Base.connection.drop_database config['database'] when /^sqlite/ FileUtils.rm(File.join(RAILS_ROOT, config['database'])) when 'postgresql' ActiveRecord::Base.establish_connection(config.merge('database' => 'postgres', 'schema_search_path' => 'public')) ActiveRecord::Base.connection.drop_database config['database'] end end
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