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start
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Class: Rails::DBConsole
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start()
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# File railties/lib/rails/commands/dbconsole.rb, line 22 def start include_password = false options = {} OptionParser.new do |opt| opt.banner = "Usage: dbconsole [environment] [options]" opt.on("-p", "--include-password", "Automatically provide the password from database.yml") do |v| include_password = true end opt.on("--mode [MODE]", ['html', 'list', 'line', 'column'], "Automatically put the sqlite3 database in the specified mode (html, list, line, column).") do |mode| options['mode'] = mode end opt.on("-h", "--header") do |h| options['header'] = h end opt.parse!(ARGV) abort opt.to_s unless (0..1).include?(ARGV.size) end unless config = YAML::load(ERB.new(IO.read("#{@app.root}/config/database.yml")).result)[Rails.env] abort "No database is configured for the environment '#{Rails.env}'" end def find_cmd(*commands) dirs_on_path = ENV['PATH'].to_s.split(File::PATH_SEPARATOR) commands += commands.map{|cmd| "#{cmd}.exe"} if RbConfig::CONFIG['host_os'] =~ /mswin|mingw/ full_path_command = nil found = commands.detect do |cmd| dir = dirs_on_path.detect do |path| full_path_command = File.join(path, cmd) File.executable? full_path_command end end found ? full_path_command : abort("Couldn't find database client: #{commands.join(', ')}. Check your $PATH and try again.") end case config["adapter"] when /^mysql/ args = { 'host' => '--host', 'port' => '--port', 'socket' => '--socket', 'username' => '--user', 'encoding' => '--default-character-set' }.map { |opt, arg| "#{arg}=#{config[opt]}" if config[opt] }.compact if config['password'] && include_password args << "--password=#{config['password']}" elsif config['password'] && !config['password'].to_s.empty? args << "-p" end args << config['database'] exec(find_cmd('mysql', 'mysql5'), *args) when "postgresql", "postgres" ENV['PGUSER'] = config["username"] if config["username"] ENV['PGHOST'] = config["host"] if config["host"] ENV['PGPORT'] = config["port"].to_s if config["port"] ENV['PGPASSWORD'] = config["password"].to_s if config["password"] && include_password exec(find_cmd('psql'), config["database"]) when "sqlite" exec(find_cmd('sqlite'), config["database"]) when "sqlite3" args = [] args << "-#{options['mode']}" if options['mode'] args << "-header" if options['header'] args << config['database'] exec(find_cmd('sqlite3'), *args) when "oracle", "oracle_enhanced" logon = "" if config['username'] logon = config['username'] logon << "/#{config['password']}" if config['password'] && include_password logon << "@#{config['database']}" if config['database'] end exec(find_cmd('sqlplus'), logon) else abort "Unknown command-line client for #{config['database']}. Submit a Rails patch to add support!" end end