为什么我的'where in'Dictrtrine DQL查询没有返回预期的结果？

Question

I have the following DQL query:

$queries_query = $this->_em->createQuery('SELECT q FROM \Entities\Query q INNER JOIN q.store s WHERE s.tvRegionId IN (?1)');
$queries_query->setParameter(1, $tv_region_ids);

It only returns results that match the first value in the where clause. The variable $tv_region_ids contains comma separated values. If I change that variable to an array I get the following message:

Notice: Array to string conversion

Can anyone shed some light on my problem please. I am completely stumped.

Answer 1

You cannot pass a string into DQL for a IN type query. You need to pass in an array. Because DQL works very much like prepared statements, an IN query is treated as an expression and raw data must be provided into the setParameter function.

Example

$tv_region_ids = [16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1];

$queries_query = $this->_em->createQuery('SELECT q FROM \Entities\Query q INNER JOIN q.store s WHERE s.tvRegionId IN (?1)');
$queries_query->setParameter(1, $tv_region_ids);

Converting your String (Just Incase)

$string = "16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1";

$tv_regions_ids = explode(",", $string);