CakePHP 4 How To Rename Table Using Migration

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Inside this article we will see CakePHP 4 How to rename table using migration. Article contains classified information about renaming a table using cakephp migration concept.

Migrations are those files which creates table schema for application. Table names should be always plural. For example products, books, students, etc.

Let’s assume we have a table schema for products. We want to rename it as tbl_products. Product table contains columns and their attributes as –

  • id [INTEGER]
  • name [STRING]
  • cost [INTEGER]
  • product_image [STRING]
  • description [TEXT]
  • status [ENUM]
  • created_at [TIMESTAMP]

CakePHP CLI gives a smart option to create migration files for schema. We will use bin/cake CLI to generate migration files.

Learn More –

Let’s get started.


CakePHP 4 Installation

To create a CakePHP project, run this command into your shell or terminal. Make sure composer should be installed in your system.

$ composer create-project --prefer-dist cakephp/app:~4.0 mycakephp

Above command will creates a project with the name called mycakephp.


Database Connection

Open app_local.php file from /config folder. Search for Datasources. Go to default array of it.

You can add your connection details here to connect with your database. It will be like this –

//...

'Datasources' => [
        'default' => [
            'host' => 'localhost',
            /*
             * CakePHP will use the default DB port based on the driver selected
             * MySQL on MAMP uses port 8889, MAMP users will want to uncomment
             * the following line and set the port accordingly
             */
            //'port' => 'non_standard_port_number',

            'username' => 'root',
            'password' => 'sample@123',

            'database' => 'mydatabase',
            /*
             * If not using the default 'public' schema with the PostgreSQL driver
             * set it here.
             */
            //'schema' => 'myapp',

            /*
             * You can use a DSN string to set the entire configuration
             */
            'url' => env('DATABASE_URL', null),
        ],
  
     //...

//...

You can pass host, username, password and database.

Successfully, you are now connected with the database.


Create & Run Migration – Alter Table

Open project into terminal and run this command

$ bin/cake bake migration RenameTable

This command will create a migration file inside /config/Migrations folder. File name will be prefixed with the timestamp value and look like 20220217030354_RenameTable.php

Open migration file and write this code into it to alter “products” table schema.

<?php

declare(strict_types=1);

use Migrations\AbstractMigration;

class RenameTable extends AbstractMigration
{
    /**
     * Change Method.
     *
     * More information on this method is available here:
     * https://book.cakephp.org/phinx/0/en/migrations.html#the-change-method
     * @return void
     */
    public function change()
    {
        $table = $this->table('products');

        $table->rename('tbl_products');

        $table->save();
    }
}

Run Migrations

Back to terminal and run this command to migrate this migration. It will update table name of database.

$ bin/cake migrations migrate

When it executes we should see updated “tbl_products” table name in database.

For more about datatypes and other information of migration you can click here for official document.

We hope this article helped you to learn about CakePHP 4 How To Rename Table Using Migration in a very detailed way.

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