public function getQueryBuilderBySearchData($searchData)
{

$searchFlg = false; //追加
$qb = $this->createQueryBuilder('p')
->andWhere('p.Status = 1');
// Where句があるが、ここに追加はしないので注意

// category
$categoryJoin = false;
if (!empty($searchData['category_id']) && $searchData['category_id']) {
$Categories = $searchData['category_id']->getSelfAndDescendants();
if ($Categories) {
$qb
->innerJoin('p.ProductCategories', 'pct')
->innerJoin('pct.Category', 'c')
->andWhere($qb->expr()->in('pct.Category', ':Categories'))
->setParameter('Categories', $Categories);
$searchFlg = true; //追加
$categoryJoin = true;
}
}

// name
if (isset($searchData['name']) && Str::isNotBlank($searchData['name'])) {
$keywords = preg_split('/[\s　]+/u', $searchData['name'], -1, PREG_SPLIT_NO_EMPTY);

foreach ($keywords as $index => $keyword) {
$key = sprintf('keyword%s', $index);
$qb
->andWhere(sprintf('NORMALIZE(p.name) LIKE NORMALIZE(:%s) OR NORMALIZE(p.search_word) LIKE NORMALIZE(:%s)', $key, $key))
->setParameter($key, '%' . $keyword . '%');
$searchFlg = true; //追加
}
}

if (!$searchFlg) { //追加
$qb->andWhere('1 = 2'); //追加
} //追加

// Order By
// 価格低い順

　　　　　　　［以下略］