/**
* @param string $q
* @param bool $protect
* @return Iterator
*/
function q_assoc_iterator($q, $protect = true)
{
return SQL::q_assoc_iterator($q, $protect);
}
/**
* @param bool $skip_objects_creation - true if no need to create objects
* @param bool $skip_changed_fields - skip update of changed fields
* @return $this
*/
protected function collectObjects($skip_objects_creation = false, $skip_changed_fields = false)
{
$sql = $this->getSelectSql();
if ($this->last_used_sql && $sql === $this->last_used_sql) {
// Skip queries - nothing changed
return $this;
}
$this->last_used_sql = $sql;
// Check cache for this exact collection
if ($this->use_cache) {
//Check cached values, set local properties
$data = Cacher::getInstance()->getDefaultCacher()->get($this->getCacheKey($sql));
if ($data && is_array($data) && isset($data['collected_objects_data'], $data['collected_objects'])) {
// Set local data
$this->collected_objects_data = $data['collected_objects_data'];
$this->collected_objects = $data['collected_objects'];
// No further actions
return $this;
}
}
// Use Iterator in DB query
if ($this->use_iterator) {
$this->collected_objects_data = SQL::q_assoc_iterator($sql, false);
} else {
$this->collected_objects_data = SQL::q_assoc($sql, false);
}
if ($this->require_to_count_total_rows) {
$this->total_count_rows = q_value('SELECT FOUND_ROWS();');
}
$this->collected_objects = [];
// Reset objects
if (!$skip_objects_creation) {
// Need to create objects from array data
foreach ($this->collected_objects_data as $v) {
$class = $this->getObjectClass();
/** @var Entity $obj */
$obj = new $class();
// Prevent auto-query db, skip tables with no id field
$id = $v['id'];
unset($v['id']);
// Set object data
$obj->loadDataFromArray($v, $skip_changed_fields);
// Set current ID
$obj->setId($id, false);
// Save in returning array ob objects
$this->collected_objects[] = $obj;
}
}
if ($this->use_cache) {
// Save all collected data to Cache
$data = ['collected_objects_data' => $this->collected_objects_data, 'collected_objects' => $this->collected_objects];
Cacher::getInstance()->getDefaultCacher()->set($this->getCacheKey($sql), $data, $this->cache_ttl);
}
return $this;
}
