我試圖用主義QueryBuilder的執行下面的SQL查詢:主義的QueryBuilder與刪除加入
DELETE php FROM product_hole_pattern php
INNER JOIN hole_pattern hp ON php.hole_pattern_id = hp.id
INNER JOIN hole_pattern_type hpt ON hp.hole_pattern_type_id = hpt.id
WHERE php.product_id = 4 AND hpt.slug='universal';
我有這個
$qb = $this->entityManager->createQueryBuilder();
$query = $qb->delete('\SANUS\Entity\ProductHolePattern', 'php')
->innerJoin('php.holePattern', 'hp')
->innerJoin('hp.holePatternType', 'hpt')
->where('hpt.slug = :slug AND php.product=:product')
->setParameter('slug','universal')
->setParameter('product',$this->id)
->getQuery();
,但我得到:
[Semantical Error] line 0, col 50 near 'hpt.slug = :slug': Error: 'hpt' is not defined.
附帶錯誤消息的DQL是:
DELETE \SANUS\Entity\ProductHolePattern php
WHERE hpt.slug = :slug AND php.product=:product
因此,連接似乎完全被省略。
只需提兩件事。 1.這可能非常昂貴。 2.不敢將這樣的邏輯放入控制器! – EnchanterIO
第三件事 - 這很容易出現競爭狀況。 – Kaspars