I need to get an array of integers, which will contain raw ids of Eloquent records. The following query
Quote::select('id')->get();
gets an eloquent collection instead of an array of integers. How to modify it, so it meets my requirements?
Try this code:
Quote::get(['id'])->toArray();
Or:
Quote::all(['id'])->toArray();
Or:
DB::table('quote')->select('id')->get()->toArray();
Or:
Quote::pluck('id')->toArray();
Related
I have a table with types, and second table "cleanings" with a related type_id column.
I get a collection of all cleanings:
$cleanings= Cleaning::with(['propierty'])->get();
And now, I need to split this collection in many collections(or arrays), one for every type_id.
Is there any trick to do it? I can't find any method in collections page for that.
$array = [];
foreach($cleanings as $cleaning) {
$array[$cleaning->type_id][] = $cleaning;
}
This'll give you an array of arrays, keyed by type_id.
I have a challenge that if I want to sort the records when getting using Laravel's ORM based on a list of IDs, how should I do it?!!!!!!!
I mean :
Suppose we have a table called users, which contains 100 records and each record has a unique ID.
We also have an array of IDs.
$ids = [4,1,2,3]
Now I want to get the list of users, but only the users who are first in the ids array and secondly according to the same order as they are listed in this array.
User::whereIn('id' , $Ids)->sortBy('id',$ids)->get();
Can you think of a solution to do this?
User::whereIn('id' , $Ids)->sortBy('id',$ids)->get();
The collections sortBy() function can take a custom call back this way:
$users = User::whereIn('id', $Ids)->get()
->sortBy(function($user, $key) use($ids) {
return array_search($user->id, $ids);
});
This will sort your collection according to the given array.
You can also reference the docs for more information.
Note that the sortBy() function must act upon a collection, which means that the get() function must come before it.
I have a ManyToMany relationship between AdInterest and AdInterestGroup models, with a belongsToMany() method in each model so I can use dynamic properties:
AdInterest->groups
AdInterestGroup->interests
I can find all the "interests" in a single group like this:
$interests = AdInterestGroup::find(1)->interests->pluck('foo');
What I need is a merged, deduplicated array of the related 'foo' field from multiple groups.
I imagine I can deduplicate with ->unique(), but first, as you'd expect, this:
AdInterestGroup::whereIn('id',[1,2])->interests->get();
throws:
Property [interests] does not exist on the Eloquent builder instance.
The advice seems to be to use eager loading via with():
AdInterestGroup::with('interests')->whereIn('id',[1,2])->get();
Firstly, as you'd expect that's giving me an array of two values though (one for each ID).
Also, if I try and pluck('foo') again, it's looking in the wrong database table: from the AdInterestGroup table, rather than the relationship (AdInterest).
Is there a nice, neat Collection method / pipeline I can use to combine the data and get access to the relationship fields?
Use pluck() and flatten():
$groups = AdInterestGroup::with('interests')->whereIn('id', [1, 2])->get();
$interests = $groups->pluck('interests')->flatten();
$foos = $interests->pluck('foo')->unique();
I may be missing something extremely trivial, but is it possible to retrieve specific columns/fields from models when grabbing a collection rather then returning the entire item's fields?
Here is my query:
$items = Items::where('visible', true)->take(10)->get();
This obviously returns each item in there entirety, including unique id's, and other fields i dont want to be fetched... how can i refine this query to just select specific fields from the models?
Laravel Query Builder get() function receives array of columns which you need to fetch.
$items = Items::where('visible', true)->take(10)->get(['column_1', 'column_2']);
Use select() method to do this:
$items = Items::select(['column_1', 'column_2']'])->where('visible', true)->take(10)->get();
Source: Latavel Database Query Builder
Laravel Query Builder gives a huge flexibility to write this types of query.
You can use select(), get(), all() methods.
Items::where('visible', true)->take(10)->get('col_1', 'col_2');
OR
Items::select('col_1', 'col_2')->where('visible', true)->take(10)->get();
Items::select(['col_1', 'col_2'])->where('visible', true)->take(10)->get();
I have a collection of model eloquent such as user model, i use the pluck method to get the only post_idfrom this collection, this method give me the indexed array of post_id, but when i use filter or unique method for this indexed array the result change to Associative array. i don't want a assoc array in result. I want just the unique of post_id's in the indexed array. laravel auto changing my result.
$this->posts->pluck('post_id')->unique('post_id')
result is :{ "1": 1 , "2": 2 }.
Is this can a bug or I have a mistake in fetching data by methods?
You can use groupBy like this :
$this->posts->groupBy('post_id')->pluck('post_id');