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Informations about the package yii2lockable-query

Yii2 Lockable ActiveQuery

This package allows you to use pessimistic locking (select for update) when you work with ActiveRecord Query.

Installation

The preferred way to install this extension is through composer.

Either run

php composer.phar require --prefer-dist amoydavid/yii2lockable-query "*"

or add

"amoydavid/yii2lockable-query": "*"

to the require section of your composer.json.

Usage

Set schema map for database connection

<?php
return [
    'class' => 'yii\db\Connection',
    'schemaMap' => [
        'mysql' => '\amoydavid\Yii2LockableQuery\mysql\Schema', // set up mysql schema
        'mssql' => '\amoydavid\Yii2LockableQuery\mssql\Schema', // set up mssql schema
    ],
    'dsn' => 'mysql:host=localhost;dbname=yii',
    'username' => 'root',
    'password' => '',
    'charset' => 'utf8',

    // Schema cache options (for production environment)
    //'enableSchemaCache' => true,
    //'schemaCacheDuration' => 60,
    //'schemaCache' => 'cache',
];

Extend your ActiveRecord class via \amoydavid\Yii2LockableQuery\ActiveRecord

/**
 * Class Sample
 * @package common\models
 *
 */
class Sample extends \amoydavid\Yii2LockableQuery\ActiveRecord { ... }

Use model locks in transaction.

$dbTransaction = $model->getDb()->beginTransaction();
try {
    $model = Sample::find()->where(['id'=>1])->forUpdate()->one();
    $dbTransaction->commit();
} catch(\Exception $e) {
    $dbTransaction->rollBack();
    throw $e;
}

Licence

MIT

Links

All versions of yii2lockable-query with dependencies

PHP Build Version
Package Version
Requires yiisoft/yii2 Version ~2.0
php Version ~7.0
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