# File lib/moneta/adapters/sqlite.rb, line 19
      def initialize(options = {})
        table = options[:table] || 'moneta'
        @backend = options[:backend] ||
          begin
            raise ArgumentError, 'Option :file is required' unless options[:file]
            ::SQLite3::Database.new(options[:file])
          end
        @backend.busy_timeout(options[:busy_timeout] || 1000)
        @backend.execute("create table if not exists #{table} (k blob not null primary key, v blob)")
        @stmts =
          [@exists  = @backend.prepare("select exists(select 1 from #{table} where k = ?)"),
           @select  = @backend.prepare("select v from #{table} where k = ?"),
           @replace = @backend.prepare("replace into #{table} values (?, ?)"),
           @delete  = @backend.prepare("delete from #{table} where k = ?"),
           @clear   = @backend.prepare("delete from #{table}"),
           @create  = @backend.prepare("insert into #{table} values (?, ?)")]
      end