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Use where in relations


Use where in relations

By : SrcXform
Date : November 14 2020, 04:51 PM
this will help When you build query, that search for categories, it filter Category objects with all aggregated objects. where clause is used to filter categories, not products here. If you wanna filter Products, you should use ProductRepository to create Query builder.
Some code:
code :
$repository = $this->getDoctrine()
        ->getRepository('AppBundle:Product');

$query = $repository->createQueryBuilder('p');
    ->select('p, c')
    ->leftJoin('p.category', 'c')
    ->andWhere('p.created_at > :date')
    ->setParameter('date', '2014-10-01');

$products = $query->getQuery()->getResult();
$res = array_reduce($products, function($r, $product) {
    $cid = $product->getCategory()->getId();
    isset($r[$cid]) || $r[$cid] = ['category'=> $product->getCategory(), 'products' => []];
    $r[$cid]['products'][] = $product;

    return $r;
}, []);
{% for r in res %}
  <h1>{{ r.category.name }}</h1>
  {% for product in r.products %}
    <h2>{{ product.name }}</h2>
  {% endfor %} 
{% endfor %}


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In doctrine what implications do 'relations:' have if the 2 relations are defined for two seperate column with a same ta

In doctrine what implications do 'relations:' have if the 2 relations are defined for two seperate column with a same ta


By : Jorge Chávez
Date : March 29 2020, 07:55 AM
I wish this helpful for you Yes, you need to name them differently.
I asked & received for the same problem here:
laravel get all models with relations and the relations of these relations

laravel get all models with relations and the relations of these relations


By : Ethan Sugar
Date : March 29 2020, 07:55 AM
should help you out Use nested eager loading:
code :
$block = Block::with('regions.seats', 'seats')->where('id', $blockId)->get();
Updating relations using script overwrites relations for all but newest record

Updating relations using script overwrites relations for all but newest record


By : Michael Tsang
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , The following line replaces all existing style associations: styleRecord.Images = imgs; you can replace it with: styleRecord.Images = styleRecord.Images.concat(imgs);
cypher delete all node relations where relations count is bigger than a number

cypher delete all node relations where relations count is bigger than a number


By : Jonathan
Date : March 29 2020, 07:55 AM
will be helpful for those in need You aggregate for r when counting r, which means that each row will have a count of exactly 1.
To fix this, you should aggregate for p:
code :
match (p:P)<-[r:LINK]-(:G) 
with p, count(r) as num 
where num > 100 
match (p)<-[r:LINK]-(:G) 
delete r
match (p:P)<-[r:LINK]-(:G) 
with p, count(r) as num, collect(r) as rs
where num > 100 
unwind rs as r
delete r
match (p:P)<-[r:LINK]-(:G) 
with p, collect(r) as rs
where size(rs) > 100 
unwind rs as r
delete r
Understanding relations and where make relations on table Microsoft Dynamics Ax 2012

Understanding relations and where make relations on table Microsoft Dynamics Ax 2012


By : user1577229
Date : March 29 2020, 07:55 AM
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