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Questions tagged [relationship]

Questions in this tag typically involve the association that a set of data has with other set(s) of data.

5577 questions
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Octobercms: clear $attachOne relationship

I have a problem updating an attachOne relation of a model from a frontend form under Octobercms. I have a "Customer" model and relative controller with a field in the backend form where I, as admin, can edit its company logo. I also have built…
Yuri Refolo
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multiple pivot table laravel eloquent

I created 3 models and in my case I need to link the link of 3 models in the table: user: name password ... task: ... task_status_id task_status: name ... task_user: task_id user_id but in my implementation me need task status for all…
Алексей Цапаев
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How to get data from Laravel nested relationship?

I am new to Laravel. I'm having a lot of trouble getting a very-nested relationship to work correctly in laravel. The wanted behaviour is as follows, I have 5 Models. Purchase, Inventory, Slab, Scarting and FloorTile. I have one to one relation…
nomie
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how to get relationshipdata from csv-file containing all relationships in single line?

I want to build relationship graph in networkx for plants. In my csv-file, all data for these plants are contained on single line for each plant. For example: plant number, plant name, companion plants, antagonists. Now I want networkx graph where…
Jon H
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Silverstripe 3: Unlink many many relationships

Is there a way to unlink the many_many relationships in SilverStripe 3 using code? After a certain date, I want to unpublish a page and unlink all its many many relationships. How can I do this?
subs
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Laravel: How to create a hasManyThrough polymorphic Many-to-Many relationship?

Situation I have the following models: Post Video Tag These are stored in the database tables: posts (having id and name columns) videos (having id and name columns) tags (having id and name columns) And also a table taggables with the…
Philip
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How to retrieve details of second level tables in laravel relationships

I have 3 tables bank(id, title), employee(id, name, bank_id), payroll(id, employee_id, salary). Now I want to retrieve bank title of employee_id in payroll table. I have set model relationships class Bank extends Model { public function…
Raja Durai
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Counting relations between two columns in SQL server

Good morning, I have two columns in sql studio and I need to count the relations between the elements one column and the other one. The problem is it seems only is counting in 'one direction' and I want to know both. Maybe it is easier if I show you…
Emmanuelle Crayon
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Relationally assigning user-voted tags to items

I'm creating a site containing thousands of items. Among other things, users can vote to assign tags to items with the following logic: Users can vote on any number of tags for every item. The items can have any number of tags. Any item gains the…
Morsby
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Optimizing Eloquent Relationship Retrieval

I have an interface which displays a list of communities on the platform. Communities have members and in turn members/profiles can befriend one another. On the listing page each community card needs to display the number of members (in the…
Frisbetarian-Support Palestine
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Use variable in relationship

I have some customfield functionality on my site where users can add custom fields to a model. I've just found that if you enter data into one of the fields the same field won't show up for another model because of the way I get the empty fields for…
Theory
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Neo4j cypher queries, counting nodes and two way relationships

I’m trying to run a cypher query on nodes with two way relationships and would like to count each of those relationships as well. Example: Nodes: store + customer Relationships: sold + bought In an ideal scenario, I’d want to see both…
Lulu
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Complex Eloquent relationship

I have complex eloquent relationship. company -id -name company_courts -id -company_id -name company_sports -company_court_id -sports_id sports -id -name Company can have many courts. Courts can have many sports I want to get all sports…
Jaeyoung Heo
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Laravel Defining Complex Relationships

I need help in defining relationships for the following tables product id name modifier id name modifier_items id modifier_id name price modifier_product id modifier_id product_id One Product may have multiple…
praveen.menezes
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Django ForeignKey

I'm struggling to do a reverse search via the shell for a foreign key models.py: class Investor(models.Model): first_name = models.CharField(max_length = 100) last_name = models.CharField(max_length = 100) def __str__ (self): return '%s…
TMD
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