What is the proper syntax to exclude rows that have a specific ID, but lack a row in a related table with a value in a column on that row?

Currently working on getting my head around the ordering of things, not even with laravel at first, but sql. Though the end goal is to use eloquent.

There are 2 conditions for the rows that need to be excluded. If I’m fetching the rows from TableA..

1) TableA with the column status_id (or TableC.id) has to have lets say a value of 1.

2) TableB has to have an instance for that TableA.id where status_id (or TableC.id) is lets say 2.

Been looking at whereNotIn, whereExists and when for a while now, but can’t wrap my head around what is correct for the situation and how it should look like.

Still learning about sql queries and I am very grateful for any tips on this dilemma.

from Newest questions tagged laravel-5 – Stack Overflow https://ift.tt/2X5qzLG
via IFTTT

Related Posts

Codeigniter : Parse error: syntax error, unexpected ‘const’ (T_CONST), expecting variable (T_VARIABLE) in Laravel project

I’m getting following error: **Parse error: syntax error, unexpected ‘const’ (T_CONST), expecting variable (T_VARIABLE)** Note : It’s working in local but facing issue in production server. private…

Firebase receive notification while tab is active or on focus

What i want is to be able to perform an action when a user receives a notification while the browser is open and tab is active or…

Laravel’s alias loader does not find class

We have a legacy project that we cannot update and we need to make some changes in symfony’s Response.php in vendor. We have solved this by copying…

Laravel 5 – generic document management

I have a system where you can create different types of unique documents. For instance, one document is called Project Identified and this expects certain inputs. Originally,…

Laravel Nova limit the results in indexQuery

I ran intro a situation where I need to limit the results of a resource to only 3 results. To be more specific, based on the logged…

Auditoria en laravel 5.8 [closed]

Cómo puedo automatizar el registro de actividades de un usuario en laravel? Si un usuario ingresa a un app de laravel, debo guardar toda su actividas, a…

Leave a Reply

Your email address will not be published.