src/Storage/Db.php
protected function setOptions(array $options) {
        if (!array_key_exists('adapter', $options) || !array_key_exists('table', $options) || !array_key_exists('column_key', $options) || !array_key_exists('column_value', $options)) {
            throw new Exception\InvalidArgumentException('Db adapter options must be defined "adapter", "table", "column_key" and "column_value" keys.');
        }
        if (!$options['adapter'] instanceof Adapter) {
            throw new Exception\InvalidArgumentException('Db adapter must be an instance of Zend\Db\Adapter\Adapter.');
        }
        $this->adapter = $options['adapter'];
        $options['table'] = $this->adapter->getPlatform()->quoteIdentifier($options['table']);
        $options['column_key'] = $this->adapter->getPlatform()->quoteIdentifier($options['column_key']);
        $options['column_value'] = $this->adapter->getPlatform()->quoteIdentifier($options['column_value']);
        $this->options = $options;

        return $this;
    }
protected function setOptions(array $options) {
        if (!array_key_exists('adapter', $options) || !array_key_exists('table', $options) || !array_key_exists('column_key', $options) || !array_key_exists('column_value', $options)) {
            throw new Exception\InvalidArgumentException('Db adapter options must be defined "adapter", "table", "column_key" and "column_value" keys.');
        }
        if (!$options['adapter'] instanceof Adapter) {
            throw new Exception\InvalidArgumentException('Db adapter must be an instance of Zend\Db\Adapter\Adapter.');
        }
        $this->adapter = $options['adapter'];
        $options['table'] = $this->adapter->getPlatform()->quoteIdentifier($options['table']);
        $options['column_key'] = $this->adapter->getPlatform()->quoteIdentifier($options['column_key']);
        $options['column_value'] = $this->adapter->getPlatform()->quoteIdentifier($options['column_value']);
        $this->options = $options;

        return $this;
    }
Set the db adapter options
@param array $options