drupal/core/modules/user/user.install

145 lines
4.1 KiB
PHP

<?php
/**
* @file
* Install, update and uninstall functions for the user module.
*/
use Drupal\Core\Entity\Sql\SqlContentEntityStorage;
/**
* Implements hook_schema().
*/
function user_schema() {
$schema['users_data'] = [
'description' => 'Stores module data as key/value pairs per user.',
'fields' => [
'uid' => [
'description' => 'The {users}.uid this record affects.',
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
],
'module' => [
'description' => 'The name of the module declaring the variable.',
'type' => 'varchar_ascii',
'length' => DRUPAL_EXTENSION_NAME_MAX_LENGTH,
'not null' => TRUE,
'default' => '',
],
'name' => [
'description' => 'The identifier of the data.',
'type' => 'varchar_ascii',
'length' => 128,
'not null' => TRUE,
'default' => '',
],
'value' => [
'description' => 'The value.',
'type' => 'blob',
'not null' => FALSE,
'size' => 'big',
],
'serialized' => [
'description' => 'Whether value is serialized.',
'type' => 'int',
'size' => 'tiny',
'unsigned' => TRUE,
'default' => 0,
],
],
'primary key' => ['uid', 'module', 'name'],
'indexes' => [
'module' => ['module'],
'name' => ['name'],
],
'foreign keys' => [
'data_user' => [
'table' => 'users',
'columns' => [
'uid' => 'uid',
],
],
],
];
return $schema;
}
/**
* Implements hook_install().
*/
function user_install() {
$storage = \Drupal::entityTypeManager()->getStorage('user');
// Insert a row for the anonymous user.
$storage
->create([
'uid' => 0,
'status' => 0,
'name' => '',
])
->save();
// We need some placeholders here as name and mail are unique.
// This will be changed by the settings form in the installer.
$storage
->create([
'uid' => 1,
'name' => 'placeholder-for-uid-1',
'mail' => 'placeholder-for-uid-1',
'status' => TRUE,
])
->save();
}
/**
* Implements hook_update_last_removed().
*/
function user_update_last_removed() {
return 8100;
}
/**
* Change the users table to use an serial uid field.
*/
function user_update_9301(&$sandbox) {
if (!\Drupal::entityTypeManager()->getStorage('user') instanceof SqlContentEntityStorage) {
return t('The user entity storage is not using an SQL storage, update skipped.');
}
$connection = \Drupal::database();
if ($connection->databaseType() === 'sqlsrv') {
return t('The Microsoft SQL Server does not support user_update_9301() because it causes data loss.');
}
if ($connection->databaseType() === 'mysql') {
$sql_mode = $connection->query("SELECT @@sql_mode;")->fetchField();
$connection->query("SET sql_mode = '$sql_mode,NO_AUTO_VALUE_ON_ZERO'");
$new_keys = [];
}
else {
$new_keys = ['primary key' => ['uid']];
$connection->schema()->dropPrimaryKey('users');
}
$connection->schema()->changeField('users', 'uid', 'uid', ['type' => 'serial', 'not null' => TRUE], $new_keys);
if (isset($sql_mode)) {
$connection->query("SET sql_mode = '$sql_mode'");
}
// Update the last installed schema to reflect the change of field type.
$installed_storage_schema = \Drupal::keyValue('entity.storage_schema.sql');
$field_schema_data = $installed_storage_schema->get('user.field_schema_data.uid');
$field_schema_data['users']['fields']['uid']['type'] = 'serial';
$installed_storage_schema->set('user.field_schema_data.uid', $field_schema_data);
// The new PostgreSQL sequence for the uid field needs to start with the last
// used user ID + 1 and the sequence must be owned by uid field.
// @todo https://drupal.org/i/3028706 implement a generic fix.
if ($connection->driver() == 'pgsql') {
$maximum_uid = $connection->query('SELECT MAX([uid]) FROM {users}')->fetchField();
$seq = $connection->makeSequenceName('users', 'uid');
$connection->query("ALTER SEQUENCE " . $seq . " RESTART WITH " . ($maximum_uid + 1) . " OWNED BY {users}.uid");
}
}