/**
* @param QlDao $dao
*
* @return null|IStatement
*/
protected function _getStatement(QlDao $dao)
{
$qb = static::_getQueryBuilderClass();
if ($dao->isDaoLoaded()) {
$data = $this->_getDaoChanges($dao);
foreach ($data as $field => $value) {
$data[$field] = $this->_getCounterValue($dao, $field, $value);
}
$qb = static::_getQueryBuilderClass();
$statement = $qb::update($dao->getTableName(), $data)->where($dao->getId(true));
} else {
$data = $dao->getDaoPropertyData();
$statement = $qb::insertInto($dao->getTableName(), ...array_keys($data))->values(...array_values($data));
if ($this->_hasIds($dao)) {
foreach ($this->_getDaoChanges($dao, false) as $field => $value) {
$statement->onDuplicateKeyUpdate($field, $this->_getCounterValue($dao, $field, $value));
}
}
}
return $statement;
}
