Flatten nested relationship sorted by parent then child - possible with eloquent alone?
Is this possible using eloquent alone:
// build doc tree
public function tree()
{
$docs = app(config('lap.model.doc'))->with(['children.parent', 'children' => function ($query) {
return $query->orderBy('order');
}])->whereNull('parent_id')->orderBy('order')->get()->toArray();
$docs_array = ;
foreach ($docs as $doc)
{
$docs_array = array_except($doc, 'children');
if ($doc['children']) {
foreach ($doc['children'] as $child) {
$docs_array = $child;
}
}
}
return $docs_array;
}
Just curious because despite this working the way I want it to, I'm wondering if there is a better solution that might already exist within the framework capacity.
php laravel relationship
asked Nov 28 '18 at 5:01
Kevin DionKevin Dion
6617
add a comment |
Is this possible using eloquent alone:
// build doc tree
public function tree()
{
$docs = app(config('lap.model.doc'))->with(['children.parent', 'children' => function ($query) {
return $query->orderBy('order');
}])->whereNull('parent_id')->orderBy('order')->get()->toArray();
$docs_array = ;
foreach ($docs as $doc)
{
$docs_array = array_except($doc, 'children');
if ($doc['children']) {
foreach ($doc['children'] as $child) {
$docs_array = $child;
}
}
}
return $docs_array;
}
Just curious because despite this working the way I want it to, I'm wondering if there is a better solution that might already exist within the framework capacity.
php laravel relationship
asked Nov 28 '18 at 5:01
Kevin DionKevin Dion
6617
add a comment |
Is this possible using eloquent alone:
// build doc tree
public function tree()
{
$docs = app(config('lap.model.doc'))->with(['children.parent', 'children' => function ($query) {
return $query->orderBy('order');
}])->whereNull('parent_id')->orderBy('order')->get()->toArray();
$docs_array = ;
foreach ($docs as $doc)
{
$docs_array = array_except($doc, 'children');
if ($doc['children']) {
foreach ($doc['children'] as $child) {
$docs_array = $child;
}
}
}
return $docs_array;
}
Just curious because despite this working the way I want it to, I'm wondering if there is a better solution that might already exist within the framework capacity.
php laravel relationship
asked Nov 28 '18 at 5:01
Kevin DionKevin Dion
6617
Is this possible using eloquent alone:
// build doc tree
public function tree()
{
$docs = app(config('lap.model.doc'))->with(['children.parent', 'children' => function ($query) {
return $query->orderBy('order');
}])->whereNull('parent_id')->orderBy('order')->get()->toArray();
$docs_array = ;
foreach ($docs as $doc)
{
$docs_array = array_except($doc, 'children');
if ($doc['children']) {
foreach ($doc['children'] as $child) {
$docs_array = $child;
}
}
}
return $docs_array;
}
Just curious because despite this working the way I want it to, I'm wondering if there is a better solution that might already exist within the framework capacity.
php laravel relationship
php laravel relationship
asked Nov 28 '18 at 5:01
Kevin DionKevin Dion
6617
asked Nov 28 '18 at 5:01
Kevin DionKevin Dion
6617
asked Nov 28 '18 at 5:01
Kevin DionKevin Dion
6617
asked Nov 28 '18 at 5:01
Kevin DionKevin Dion
6617
asked Nov 28 '18 at 5:01
Kevin DionKevin Dion
6617
6617
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
Something like this can be used in SQL:
select t.*
from t
order by coalesce(t.parent_id, t.id), `order`
;
i.e. The coalesce function uses id when there is no parent_id. This "clusters" the familiy of parent and children together and then rows within the family can make use of the "order" column.
Whilst I'm inexpert at Laravel I believe orderByRaw may be used, like so:
orderByRaw('coalesce(parent_id, id), `order`')
Also see this answer
If using a coalesce function is a problem, this alternative can be used in SQL:
select t.*
from t
order by case when t.parent_id IS NULL THEN t.id else t.parent_id end, t.`order`
;
and that case expression could be converted into an IF for use by Laravel I suspect.
answered Nov 28 '18 at 5:50
Used_By_AlreadyUsed_By_Already
23.1k22039
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
Something like this can be used in SQL:
select t.*
from t
order by coalesce(t.parent_id, t.id), `order`
;
i.e. The coalesce function uses id when there is no parent_id. This "clusters" the familiy of parent and children together and then rows within the family can make use of the "order" column.
Whilst I'm inexpert at Laravel I believe orderByRaw may be used, like so:
orderByRaw('coalesce(parent_id, id), `order`')
Also see this answer
If using a coalesce function is a problem, this alternative can be used in SQL:
select t.*
from t
order by case when t.parent_id IS NULL THEN t.id else t.parent_id end, t.`order`
;
and that case expression could be converted into an IF for use by Laravel I suspect.
answered Nov 28 '18 at 5:50
Used_By_AlreadyUsed_By_Already
23.1k22039
add a comment |
Something like this can be used in SQL:
select t.*
from t
order by coalesce(t.parent_id, t.id), `order`
;
i.e. The coalesce function uses id when there is no parent_id. This "clusters" the familiy of parent and children together and then rows within the family can make use of the "order" column.
Whilst I'm inexpert at Laravel I believe orderByRaw may be used, like so:
orderByRaw('coalesce(parent_id, id), `order`')
Also see this answer
If using a coalesce function is a problem, this alternative can be used in SQL:
select t.*
from t
order by case when t.parent_id IS NULL THEN t.id else t.parent_id end, t.`order`
;
and that case expression could be converted into an IF for use by Laravel I suspect.
answered Nov 28 '18 at 5:50
Used_By_AlreadyUsed_By_Already
23.1k22039
add a comment |
Something like this can be used in SQL:
select t.*
from t
order by coalesce(t.parent_id, t.id), `order`
;
i.e. The coalesce function uses id when there is no parent_id. This "clusters" the familiy of parent and children together and then rows within the family can make use of the "order" column.
Whilst I'm inexpert at Laravel I believe orderByRaw may be used, like so:
orderByRaw('coalesce(parent_id, id), `order`')
Also see this answer
If using a coalesce function is a problem, this alternative can be used in SQL:
select t.*
from t
order by case when t.parent_id IS NULL THEN t.id else t.parent_id end, t.`order`
;
and that case expression could be converted into an IF for use by Laravel I suspect.
answered Nov 28 '18 at 5:50
Used_By_AlreadyUsed_By_Already
23.1k22039
Something like this can be used in SQL:
select t.*
from t
order by coalesce(t.parent_id, t.id), `order`
;
i.e. The coalesce function uses id when there is no parent_id. This "clusters" the familiy of parent and children together and then rows within the family can make use of the "order" column.
Whilst I'm inexpert at Laravel I believe orderByRaw may be used, like so:
orderByRaw('coalesce(parent_id, id), `order`')
Also see this answer
If using a coalesce function is a problem, this alternative can be used in SQL:
select t.*
from t
order by case when t.parent_id IS NULL THEN t.id else t.parent_id end, t.`order`
;
and that case expression could be converted into an IF for use by Laravel I suspect.
answered Nov 28 '18 at 5:50
Used_By_AlreadyUsed_By_Already
23.1k22039
answered Nov 28 '18 at 5:50
Used_By_AlreadyUsed_By_Already
23.1k22039
answered Nov 28 '18 at 5:50
Used_By_AlreadyUsed_By_Already
23.1k22039
answered Nov 28 '18 at 5:50
Used_By_AlreadyUsed_By_Already
23.1k22039
23.1k22039
add a comment |
add a comment |
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