username-1.0.x-dev/modules/username_phone/username_phone.install

<?php

/**
 * @file
 * Install, update and uninstall functions for the username phone module.
 */

/**
 * Implements hook_schema().
 */
function username_phone_schema() {
  $schema['user__phones'] = [
    'description' => 'Stores phone numbers associated with users.',
    'fields' => [
      'uid' => [
        'description' => 'User ID, links to User table.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ],
      'phone_number' => [
        'description' => 'The phone number of the user.',
        'type' => 'varchar',
        'length' => 16,
        'not null' => TRUE,
        'default' => '',
      ],
      'local_number' => [
        'description' => 'The masked local number of the user.',
        'type' => 'varchar',
        'length' => 18,
        'not null' => TRUE,
        'default' => '',
      ],
      'country_code' => [
        'description' => 'The country code of the phone number.',
        'type' => 'varchar',
        'length' => 3,
        'not null' => TRUE,
        'default' => '',
      ],
      'country_iso2' => [
        'description' => 'The ISO 3166-1 alpha-2 country code.',
        'type' => 'varchar',
        'length' => 2,
        'not null' => TRUE,
        'default' => '',
      ],
      'created' => [
        'description' => 'The UNIX timestamp when the phone number was created.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ],
    ],
    'primary key' => ['uid'],
    'indexes' => [
      'phone_number' => ['phone_number'],
      'country_code' => ['country_code'],
    ],
    'foreign keys' => [
      'users' => [
        'table' => 'users',
        'columns' => ['uid' => 'uid'],
      ],
    ],
  ];

  return $schema;
}