/**
* Execute a fetchAll query and deal with offsets and limits
*
* Populates the _result variable. Uses the $_consistentRead property to
* determine whether consistency needs to be enforced for the SDB request
*
* @return boolean
* \c true on success
*/
private function _executeFetchQuery()
{
$this->_simplifyQuery();
$optionsArray = array('ConsistentRead' => $this->_consistentRead ? 'true' : 'false');
// If we already know some tokens, don't start from the begining (for speed)
$initialOffset = 0;
if ($this->_offset > 0) {
list($initialOffset, $token) = NextTokenCache::GetNearestToken($this->_queryString, $this->_limit, $this->_offset);
if ($token) {
$optionsArray['NextToken'] = $token;
}
}
$this->_result = self::$_sdb->select($this->_queryString, $optionsArray)->getAll($this->_consistentRead, $this->_limit, $this->_offset, $initialOffset);
$this->_items = $this->_result->items();
return $this->_result->isOK();
}
/**
* Get items from a query and add them to this query
*
* @throws ORMPDOException if SDB response is not OK
* @param SDBResponse $response
*/
private function _setItems(SDBResponse $response)
{
if (!$response->isOK()) {
throw new ORMPDOException($response->errorMessage() . ' - ' . $response->getQuery());
}
foreach ($response as $key => $item) {
$this->_items[$key] = $item;
}
}