I got Unknown column error on having with count - laravel

Question

In Laravel 6 I have a request of ads with related images count
$ads = Ad
->getByTitle($this->filter_title)
->onlyNoneInfo()
->getByStatus('A')
//->imagesCount(true)
->getUserByStatus('A')
->leftJoin('users', 'users.id', '=', 'ads.creator_id')
->orderBy($this->order_by, $this->order_direction)
->select(
'ads.*',
'users.name as creator_username',
'users.email as creator_email',
'users.phone as creator_phone'
)->addSelect(['ad_images_count' => AdImage
::selectRaw('count(*)')
->whereColumn('ad_images.ad_id', 'ads.id')
])
->offset($limit_start)
->take($ads_per_page)
->distinct()
->paginate($ads_per_page);
and I see sql request ad_images_count field:
SELECT distinct `sda_ads`.*, `sda_users`.`name` AS `creator_username`, `sda_users`.`email` AS `creator_email`, `sda_users`.`phone` AS `creator_phone`, ( SELECT count(*)
FROM `sda_ad_images`
WHERE `sda_ad_images`.`ad_id` = `sda_ads`.`id`) AS `ad_images_count`
FROM `sda_ads`
LEFT JOIN `sda_users` on `sda_users`.`id` = `sda_ads`.`creator_id`
WHERE `ad_type` <> 'I' AND `sda_ads`.`status` = 'A' AND `sda_users`.`status` = 'A'
ORDER BY `price` asc limit 4 offset 0
and it works for me with valid value in ad_images_count.
I need to set filter to show only ads with images and I added a scope in App Model :
public function scopeImagesCount($query, bool $check_images_count)
{
if ($check_images_count) {
return $query->where('ad_images_count', '>', 0);
}
return $query;
}
But if to uncoment line in the request :
//->imagesCount(true)
I got error :
MODIFIED BLOCK :
With request in which I commented ad_images_count subquery:
$ads = Ad
::getByTitle($this->filter_title)
->onlyNoneInfo()
->getByStatus('A')
->getUserByStatus('A')
->imagesCount(true)
->leftJoin('users', 'users.id', '=', 'ads.creator_id')
->orderBy($this->order_by, $this->order_direction)
->select(
'ads.*',
'users.name as creator_username',
'users.email as creator_email',
'users.phone as creator_phone'
)
/*
->addSelect(['ad_images_count' => AdImage
::selectRaw('count(*)')
->whereColumn('ad_images.ad_id', 'ads.id')
])
*/
->offset($limit_start)
->take($ads_per_page)
->distinct()
->paginate($ads_per_page);
I modified scope with logging:
public function scopeImagesCount($query, bool $check_images_count)
{
\Log::info('scopeImagesCount $check_images_count ::');
\Log::info($check_images_count);
if ($check_images_count) {
\Log::info('CHECKING ::');
return $query->select(['ad_images_count' => AdImage
::selectRaw('count(*)')
->whereColumn('ad_images.ad_id', 'ads.id')
])->where('ad_images_count', '>', 0);
}
\Log::info('SKIPPED CHECKING ::');
return $query;
}
And I see logging and Unknown column error in log file:
[2020-01-30 11:29:59] local.INFO: scopeImagesCount $check_images_count ::
[2020-01-30 11:29:59] local.INFO: 1
[2020-01-30 11:29:59] local.INFO: CHECKING ::
[2020-01-30 11:29:59] local.ERROR: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'ad_images_count' in 'where clause' (SQL: select count(*) as aggregate from `sda_ads` left join `sda_users` on `sda_users`.`id` = `sda_ads`.`creator_id` where `ad_type` <> I and `sda_ads`.`status` = A and `sda_users`.`status` = A and `ad_images_count` > 0) {"exception":"[object] (Illuminate\\Database\\QueryException(code: 42S22): SQLSTATE[42S22]: Column not found: 1054 Unknown column 'ad_images_count' in 'where clause' (SQL: select count(*) as aggregate from `sda_ads` left join `sda_users` on `sda_users`.`id` = `sda_ads`.`creator_id` where `ad_type` <> I and `sda_ads`.`status` = A and `sda_users`.`status` = A and `ad_images_count` > 0) at /mnt/_work_sdb8/wwwroot/lar/ads-backend-api/vendor/laravel/framework/src/Illuminate/Database/Connection.php:669)
In resulting sql no subquery with ad_images_count
What is wrong?
MODIFIED BLOCK # 2:
If to comment imagesCount with request
$ads = Ad
::getByTitle($this->filter_title)
->onlyNoneInfo()
->getByStatus('A')
->getUserByStatus('A')
// ->imagesCount(true)
->leftJoin('users', 'users.id', '=', 'ads.creator_id')
->orderBy($this->order_by, $this->order_direction)
->select(
'ads.*',
'users.name as creator_username',
'users.email as creator_email',
'users.phone as creator_phone'
)
->addSelect(['ad_images_count' => AdImage
::selectRaw('count(*)')
->whereColumn('ad_images.ad_id', 'ads.id')
])
->offset($limit_start)
->take($ads_per_page)
->distinct()
->paginate($ads_per_page);
I see sql generated :
SELECT distinct `sda_ads`.*, `sda_users`.`name` AS `creator_username`, `sda_users`.`email` AS `creator_email`, `sda_users`.`phone` AS `creator_phone`, ( SELECT count(*)
FROM `sda_ad_images`
WHERE `sda_ad_images`.`ad_id` = `sda_ads`.`id`) AS `ad_images_count`
FROM `sda_ads`
LEFT JOIN `sda_users` on `sda_users`.`id` = `sda_ads`.`creator_id`
WHERE `ad_type` <> 'I' AND `sda_ads`.`status` = 'A' AND `sda_users`.`status` = 'A'
ORDER BY `price` asc limit 4 offset 0
with ad_images_count field having valid value
If to uncomment imagesCount with scope:
public function scopeImagesCount($query, bool $check_images_count)
{
\Log::info('scopeImagesCount $check_images_count ::');
\Log::info($check_images_count);
if ($check_images_count) {
\Log::info('CHECKING ::');
return $query->select(['ad_images_count' => AdImage
// return $query->addSelect(['ad_images_count' => AdImage
::selectRaw('count(*)')
->whereColumn('ad_images.ad_id', 'ads.id')
])->where('ad_images_count', '>', 0);
}
\Log::info('SKIPPED CHECKING ::');
return $query;
}
I got error :
[2020-01-31 15:27:37] local.ERROR: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'ad_images_count' in 'where clause' (SQL: select count(*) as aggregate from `sda_ads` left join `sda_users` on `sda_users`.`id` = `sda_ads`.`creator_id` where `ad_type` <> I and `sda_ads`.`status` = A and `sda_users`.`status` = A and `ad_images_count` > 0) {"exception":"[object] (Illuminate\\Database\\QueryException(code: 42S22): SQLSTATE[42S22]: Column not found: 1054 Unknown column 'ad_images_count' in 'where clause' (SQL: select count(*) as aggregate from `sda_ads` left join `sda_users` on `sda_users`.`id` = `sda_ads`.`creator_id` where `ad_type` <> I and `sda_ads`.`status` = A and `sda_users`.`status` = A and `ad_images_count` > 0) at /mnt/_work_sdb8/wwwroot/lar/ads-backend-api/vendor/laravel/framework/src/Illuminate/Database/Connection.php:669)
I tried to use addSelect - the same error.
looks like in having must subquery repeated, but not column name.
How?
MODIFIED BLOCK # 3 : 
I try to use having :
$prefix= DB::getTablePrefix();
$ads = Ad
::getByTitle($this->filter_title)
->onlyNoneInfo()
->getByStatus('A')
->getUserByStatus('A')
->leftJoin('users', 'users.id', '=', 'ads.creator_id')
->orderBy($this->order_by, $this->order_direction)
->select(
'ads.*',
'users.name as creator_username',
'users.email as creator_email',
'users.phone as creator_phone'
)
->addSelect(['ad_images_count' => AdImage
::selectRaw('count(*)')
->whereColumn('ad_images.ad_id', 'ads.id')
])
->offset($limit_start)
->take($ads_per_page)
->havingRaw(' ( SELECT count(*) '.
' FROM `'.$prefix.'ad_images'.'` '.
' WHERE '.$prefix.'ad_images.ad_id = `'.$prefix.'ads`.`id` ) > ?', [0])
->paginate($ads_per_page)
but I got error :
Unknown column 'ads-backend-api.sda_ads.id' in 'where clause' (SQL:
select count(*) as aggregate from `sda_ads` left join `sda_users` on `sda_users`.`id` = `sda_ads`.`creator_id` where `ad_type` <> I and `sda_ads`.`status` = A and `sda_users`.`status` = A having ( SELECT count(*) FROM `sda_ad_images` WHERE sda_ad_images.ad_id = `sda_ads`.`id` ) > 0
Looks like sda_ads.id is invalid condition. Which kind of wrapping does it need ?
I also tried without “`” symbol wrapping as :
->havingRaw(' ( SELECT count(*) '.
' FROM `'.$prefix.'ad_images'.'` '.
' WHERE '.$prefix.'ad_images.ad_id = '.$prefix.'ads.id ) > ?', [0])
and got :
Unknown column 'ads-backend-api.sda_ads.id' in 'where clause' (SQL: select count(*) as aggregate from `sda_ads` left join `sda_users` on `sda_users`.`id` = `sda_ads`.`creator_id` where `ad_type` <> I and `sda_ads`.`status` = A and `sda_users`.`status` = A having ( SELECT count(*) FROM `sda_ad_images` WHERE sda_ad_images.ad_id = sda_ads.id ) > 0
In my database ads-backend-api I have sda_ads table with id field.
“sda_” is db prefix in database configuration.
Which way is right ?
Thanks!

Answer 1

In your scope you are directly requesting 'ad_image_count' alais but you have to make alias first like you did in raw query
public function scopeImagesCount($query, bool $check_images_count)
{
if ($check_images_count) {
return $query->select(['ad_images_count' => AdImage
::selectRaw('count(*)')
->whereColumn('ad_images.ad_id', 'ads.id')
])->where('ad_images.ad_images_count', '>', 0);
}
return $query;
}