{"id":103959,"date":"2017-12-08T14:55:01","date_gmt":"2017-12-08T14:55:01","guid":{"rendered":"https:\/\/webkul.com\/blog\/?p=103959"},"modified":"2024-04-01T11:54:45","modified_gmt":"2024-04-01T11:54:45","slug":"add-one-connection-multiple-database-magento2","status":"publish","type":"post","link":"https:\/\/webkul.com\/blog\/add-one-connection-multiple-database-magento2\/","title":{"rendered":"Add More Than One Connection With Multiple Database in Magento2"},"content":{"rendered":"\n

Add More Than One Connection With Multiple Database<\/a> in Magento2.<\/p>\n\n\n\n

Today I am going to explain that how you can add multiple connections with multiple databases<\/a> in magento 2 in this article. Suppose you have to display some data from another database instead of magento’s default database so this blog will be very helpful for you.<\/p>\n\n\n\n

At first you will need to edit app\/etc\/env.php, to give connection configuration for another database, like below:<\/p>\n\n\n\n

'db' =>\n  array (\n    'table_prefix' => '',\n    'connection' =>\n    array (\n      'default' =>\n      array (\n        'host' => 'localhost',\n        'dbname' => 'magento2',\n        'username' => 'magento2_username',\n        'password' => 'magento2_password',\n        'active' => '1',\n      ), \/\/ this array is from magento default\n      'custom' =>\n      array (\n        'host' => 'localhost', \/\/your custom db host\n        'dbname' => 'customdb', \/\/your custom db name\n        'username' => 'cuatom_username', \/\/your custom db username\n        'password' => 'custom_password', \/\/your custom db password\n        'active' => '1', \/\/ 1 is for active database \n      ), \/\/ this array is added by me\n    ),\n  ),\n  'resource' =>\n  array (\n    'default_setup' =>\n    array (\n      'connection' => 'default', \n    ), \/\/this is magento default array\n    'custom' =>\n    array (\n      'connection' => 'custom',\n    ), \/\/this resource is given by me\n  ),<\/pre>\n\n\n\n
Now, you have a controller file in which you want data from custom database, then below is the code for that:<\/p>\n\n\n\n
<?php\nnamespace Company\\Module\\Controller\\Index;\n\nuse Magento\\Framework\\App\\Action\\Action;\nuse Magento\\Framework\\App\\Action\\Context;\n\nclass Index extends Action\n{\n     private $connection;\n\n    \/**\n     * @param Context                               $context\n     *\/\n    public function __construct(\n        Context $context,\n        \\Magento\\Framework\\App\\ResourceConnection $resourceConnection\n    ) {\n        $this->connection = $resourceConnection->getConnection('custom'); \/\/ "custom" is your database connection name which is given in env.php\n        parent::__construct($context);\n    }\n\n    public function execute()\n    {\n        try {\n            $select = $this->connection->select()->from(['student_info']); \/\/student_info is a table in customdb, this query is to select table\n            $data = $this->connection->fetchAll($select); \/\/here fetching all rows from student_info table\n            echo "<pre>";\n            print_r($data); \/\/print that data in array\n        } catch (\\Exception $e) {\n        }\n    }\n}<\/pre>\n\n\n\n
Now when you hit above controller output will be as follows :<\/p>\n\n\n
\n
\"Screenshot_366\"
data in table<\/figcaption><\/figure>\n<\/div>\n\n
\n
\"Screenshot_367\"
data when you print<\/figcaption><\/figure>\n<\/div>\n\n\n
Hope this blog will help you to develop custom functionality in your module in a better way. Try this and if you have any query then just comment below \ud83d\ude42<\/p>\n","protected":false},"excerpt":{"rendered":"
Add More Than One Connection With Multiple Database in Magento2. Today I am going to explain that how you can add multiple connections with multiple databases in magento 2 in this article. Suppose you have to display some data from another database instead of magento’s default database so this blog will be very helpful for […]<\/a><\/p>\n","protected":false},"author":103,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[302],"tags":[2070],"class_list":["post-103959","post","type-post","status-publish","format-standard","hentry","category-magento2","tag-magento2"],"yoast_head":"\nAdd More Than One Connection With Multiple Database in Magento2 - Webkul Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/webkul.com\/blog\/add-one-connection-multiple-database-magento2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Add More Than One Connection With Multiple Database in Magento2 - Webkul Blog\" \/>\n<meta property=\"og:description\" content=\"Add More Than One Connection With Multiple Database in Magento2. 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