text: CREATE TABLE dunit_run(id serial primary key, user_name text, path text, sites integer, runtime_env integer, base_env integer);
  CREATE TABLE dunit_test_run_detail(id serial primary key, dunit_run_id integer references dunit_run(id), pass boolean default null, message text);
  CREATE TABLE dunit_test_method(id serial primary key, test_class_id integer references dunit_test_class(id),name text not null);
  CREATE TABLE dunit_test_class(id serial primary key,name text not null);
  
  CREATE TABLE dunit_test_method_detail(id serial primary key,method_id integer, status text,error text);
  
  ALTER TABLE dunit_test_run_detail add column failCount integer;
  ALTER TABLE dunit_test_run_detail add column tookMs bigint;
  ALTER TABLE dunit_test_method_detail add column tookMs bigint;
  
  ALTER TABLE dunit_run add column revision text;
  ALTER TABLE dunit_run add column branch text;
  ALTER TABLE dunit_run add column os_name text;
  ALTER TABLE dunit_run add column os_version text;
  ALTER TABLE dunit_run add column java_version text;
  ALTER TABLE dunit_run add column java_vm_version text;
  ALTER TABLE dunit_run add column java_vm_vendor text;
  
  alter table dunit_test_method_detail add column run_id integer references dunit_run(id);
  ALTER TABLE dunit_run add column time timestamp default current_timestamp;
  ALTER TABLE dunit_test_run_detail add column time timestamp default current_timestamp;
  ALTER TABLE dunit_test_method_detail add column time timestamp default current_timestamp;