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/vendor | ||
/composer.lock |
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MIT License | ||
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Copyright (c) 2022 Kekalainen | ||
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Permission is hereby granted, free of charge, to any person obtaining a copy | ||
of this software and associated documentation files (the "Software"), to deal | ||
in the Software without restriction, including without limitation the rights | ||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
copies of the Software, and to permit persons to whom the Software is | ||
furnished to do so, subject to the following conditions: | ||
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The above copyright notice and this permission notice shall be included in all | ||
copies or substantial portions of the Software. | ||
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
SOFTWARE. |
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Race condition workarounds for concurrent [`*OrCreate`](https://laravel.com/docs/eloquent#upserts) method calls. | ||
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# Usage | ||
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Apply the `CanRunOrCreateConcurrently` trait to a model: | ||
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```php | ||
<?php | ||
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namespace App\Models; | ||
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use Illuminate\Database\Eloquent\Model; | ||
use Kekalainen\EloquentConcurrency\CanRunOrCreateConcurrently; | ||
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abstract class BaseModel extends Model | ||
{ | ||
use CanRunOrCreateConcurrently; | ||
} | ||
``` | ||
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# Limitations | ||
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- Only MySQL and MariaDB are supported. | ||
- [Relationship methods](https://laravel.com/docs/eloquent-relationships#the-create-method) are not handled. |
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{ | ||
"name": "kekalainen/eloquent-concurrency", | ||
"description": "Race condition workarounds for concurrent *OrCreate method calls.", | ||
"keywords": [ | ||
"laravel", | ||
"eloquent", | ||
"concurrency" | ||
], | ||
"license": "MIT", | ||
"authors": [ | ||
{ | ||
"name": "Kekalainen", | ||
"email": "git@kekalainen.me" | ||
} | ||
], | ||
"require": { | ||
"php": ">=7.4", | ||
"illuminate/database": ">=5.4", | ||
"illuminate/support": ">=5.4" | ||
}, | ||
"autoload": { | ||
"psr-4": { | ||
"Kekalainen\\EloquentConcurrency\\": "src/" | ||
} | ||
} | ||
} |
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<?php | ||
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namespace Kekalainen\EloquentConcurrency; | ||
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use Illuminate\Database\QueryException; | ||
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/** | ||
* Implements workarounds for race conditions. | ||
* | ||
* @link https://github.com/laravel/framework/issues/19372 Relevant issue. | ||
*/ | ||
trait CanRunOrCreateConcurrently | ||
{ | ||
public static function firstOrCreate(array $attributes = [], array $values = []) | ||
{ | ||
try { | ||
if (($instance = static::where($attributes)->first()) === null) | ||
return static::create(array_merge($attributes, $values)); | ||
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return $instance; | ||
} catch (QueryException $exception) { | ||
if (static::isDuplicateEntryException($exception)) | ||
return static::where($attributes)->first(); | ||
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throw $exception; | ||
} | ||
} | ||
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public static function updateOrCreate(array $attributes, array $values = []) | ||
{ | ||
$updateOrCreate = static fn () => \tap( | ||
static::firstOrNew($attributes), | ||
static fn ($instance) => $instance->fill($values)->save() | ||
); | ||
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try { | ||
return $updateOrCreate(); | ||
} catch (QueryException $exception) { | ||
if (static::isDuplicateEntryException($exception)) | ||
return $updateOrCreate(); | ||
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throw $exception; | ||
} | ||
} | ||
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protected static function isDuplicateEntryException(QueryException $exception): bool | ||
{ | ||
return (int) $exception->getCode() === 23000 && | ||
$exception->errorInfo[1] === 1062; | ||
} | ||
} |