Scalr\Model\AbstractEntity::save PHP Метод

    public function save()
    {
        $iterator = $this->getIterator();
        $pk = $iterator->getPrimaryKey();
        if (empty($pk)) {
            throw new ModelException(sprintf("Primary key has not been defined with @Id tag for %s", get_class($this)));
        }
        $stmtPk = '';
        $stmtFields = '';
        $stmtUpdate = '';
        $argumentsPk = [];
        $arguments1 = [];
        $arguments2 = [];
        foreach ($iterator->fields() as $field) {
            if ($this->{$field->name} === null && isset($field->generatedValue)) {
                if ($field->generatedValue->strategy == GeneratedValue::STRATEGY_CUSTOM) {
                    if (!$field->type instanceof GeneratedValueTypeInterface) {
                        throw new ModelException(sprintf("Unable to generate value for %s field. Type %s should implement " . "Scalr\\Model\\Type\\GeneratedValueTypeInterface", $field->name, get_class($field->type)));
                    }
                    $this->{$field->name} = $field->getType()->generateValue($this);
                } else {
                    if ($field->generatedValue->strategy == GeneratedValue::STRATEGY_AUTO) {
                        //Generated automatically by mysql
                        if (isset($field->id)) {
                            $postInsertField = $field;
                        }
                        continue;
                    } else {
                        throw new ModelException(sprintf("Type %s has not been implemented for GeneratedValue behaviour.", get_class($field->type)));
                    }
                }
            }
            if (isset($field->id)) {
                //Field takes a part in primary key
                $stmtFields .= ', ' . $field->getColumnName() . ' = ' . $field->type->wh();
                $arguments1[] = $field->type->toDb($this->{$field->name});
                $stmtPk .= ' AND ' . $field->getColumnName() . ' = ' . $field->type->wh();
                $argumentsPk[] = $field->type->toDb($this->{$field->name});
            } else {
                //Field does not take a part in primary key
                if (!isset($this->{$field->name}) && $field->column->nullable) {
                    $stmtFields .= ', ' . $field->getColumnName() . ' = NULL';
                    $stmtUpdate .= ', ' . $field->getColumnName() . ' = NULL';
                } else {
                    $stmtFields .= ', ' . $field->getColumnName() . ' = ' . $field->type->wh();
                    $arguments1[] = $field->type->toDb($this->{$field->name});
                    $stmtUpdate .= ', ' . $field->getColumnName() . ' = ' . $field->type->wh();
                    $arguments2[] = $field->type->toDb($this->{$field->name});
                }
            }
        }
        $stmtFields = substr($stmtFields, 1);
        if ($stmtPk != '') {
            $stmtPk = substr($stmtPk, 4);
        }
        if ($stmtUpdate != '') {
            $stmtUpdate = substr($stmtUpdate, 1);
        }
        if ($this->_hasUniqueIndex() && $stmtPk !== '') {
            //If table has some unique index it should not perform ON DUPLICATE KEY UPDATE clause.
            //We need to do INSERT if the record does not exist or UPDATE otherwise by primary key.
            //If postInsertField is set it indicates that INSERT statement is expected then
            if (!isset($postInsertField)) {
                //Checks if the record with such primary key already exists in database
                $exists = $this->db()->GetOne("SELECT 1 FROM {$this->table()} WHERE " . $stmtPk . " LIMIT 1", $argumentsPk);
            } else {
                //INSERT statement must be used as it's a new record
                $exists = false;
            }
            //Saves record making insert or update
            $this->db()->Execute(($exists ? "UPDATE" : "INSERT") . " " . $this->table() . " " . "SET " . $stmtFields . " " . ($exists ? "WHERE " . $stmtPk . " LIMIT 1" : ""), $exists ? array_merge($arguments1, $argumentsPk) : $arguments1);
        } else {
            $this->db()->Execute("\n                INSERT " . $this->table() . "\n                SET " . $stmtFields . "\n                " . ($stmtUpdate != '' ? "ON DUPLICATE KEY UPDATE " . $stmtUpdate : '') . "\n            ", array_merge($arguments1, $arguments2));
        }
        if (isset($postInsertField)) {
            //Set a value of the auto incrementing field into entity
            $this->{$postInsertField->name} = $postInsertField->type->toPhp($this->db()->Insert_ID());
        }
    }

 /**
  * {@inheritdoc}
  * @see AbstractEntity::save()
  */
 public function save()
 {
     parent::save();
     if (!empty($this->_settings)) {
         $this->_settings->save();
     }
 }