[Redis] add custom database index

Author: IndraGunawan

PhpRedis.php

@@ -26,6 +26,7 @@ public function __construct(array $config)
             'reserved' => null,
             'retry_interval' => null,
             'persisted' => false,
+            'database' => 0,
         ], $config);
     }
 
@@ -80,6 +81,8 @@ public function connect()
                     $this->config['retry_interval']
                 );
             }
+
+            $this->redis->select($this->config['database']);
         }
 
         return $this->redis;

RedisConnectionFactory.php

@@ -27,6 +27,7 @@ class RedisConnectionFactory implements PsrConnectionFactory
      *  'vendor' => 'The library used internally to interact with Redis server
      *  'persisted' => bool, Whether it use single persisted connection or open a new one for every context
      *  'lazy' => the connection will be performed as later as possible, if the option set to true
+     *  'database' => Database index to select when connected (default value: 0)
      * ].
      *
      * or
@@ -139,6 +140,7 @@ private function defaultConfig()
             'vendor' => 'phpredis',
             'persisted' => false,
             'lazy' => true,
+            'database' => 0,
         ];
     }
 }

Symfony/RedisTransportFactory.php

@@ -54,6 +54,10 @@ public function addConfiguration(ArrayNodeDefinition $builder)
                     ->defaultTrue()
                     ->info('the connection will be performed as later as possible, if the option set to true')
                 ->end()
+                ->integerNode('database')
+                    ->defaultValue(0)
+                    ->info('Database index to select when connected.')
+                ->end()
         ;
     }