Ruckusing_Adapter_Sqlite3_Base::create_schema_version_table PHP 메소드

    public function create_schema_version_table()
    {
        if (!$this->has_table($this->get_schema_version_table_name())) {
            $t = $this->create_table($this->get_schema_version_table_name(), array('id' => false));
            $t->column('version', 'string');
            $t->finish();
            $this->add_index($this->get_schema_version_table_name(), 'version', array('unique' => true));
        }
    }