update_test_schema.install

<?php


/**
 * @file
 * Update hooks and schema definition for the update_test_schema module.
 */
use Drupal\Core\Database\Database;
use Drupal\Core\Url;
use Drupal\Component\Render\FormattableMarkup;

/**
 * Implements hook_requirements().
 */
function update_test_schema_requirements($phase) {
    $requirements = [];
    if ($phase === 'runtime') {
        $requirements['path_alias_test'] = [
            'title' => 'Path alias test',
            'value' => 'Check a path alias for the admin page',
            'severity' => REQUIREMENT_INFO,
            'description' => new FormattableMarkup('Visit <a href=":link">the structure page</a> to do many useful things.', [
                ':link' => Url::fromRoute('system.admin_structure')->toString(),
            ]),
        ];
    }
    return $requirements;
}

/**
 * Implements hook_schema().
 *
 * The schema defined here will vary on state to allow for update hook testing.
 */
function update_test_schema_schema() {
    $schema_version = \Drupal::state()->get('update_test_schema_version', 8000);
    $table = [
        'fields' => [
            'a' => [
                'type' => 'int',
                'not null' => TRUE,
            ],
            'b' => [
                'type' => 'blob',
                'not null' => FALSE,
            ],
        ],
    ];
    switch ($schema_version) {
        case 8001:
            // Add the index.
            $table['indexes']['test'] = [
                'a',
            ];
            break;
    }
    return [
        'update_test_schema_table' => $table,
    ];
}
// Update hooks are defined depending on state as well.
$schema_version = \Drupal::state()->get('update_test_schema_version', 8000);
if ($schema_version >= 8001) {
    
    /**
     * Schema version 8001.
     */
    function update_test_schema_update_8001() {
        $table = [
            'fields' => [
                'a' => [
                    'type' => 'int',
                    'not null' => TRUE,
                ],
                'b' => [
                    'type' => 'blob',
                    'not null' => FALSE,
                ],
            ],
        ];
        // Add a column.
        Database::getConnection()->schema()
            ->addIndex('update_test_schema_table', 'test', [
            'a',
        ], $table);
    }
}
if ($schema_version >= 8002) {
    
    /**
     * Schema version 8002.
     */
    function update_test_schema_update_8002() {
        // Return a message that contains a system path with an alias.
        // @see \Drupal\FunctionalTests\Update\UpdatePathTestBaseTest::testPathAliasProcessing()
        return new FormattableMarkup('Visit <a href=":link">the structure page</a> to do many useful things.', [
            ':link' => Url::fromRoute('system.admin_structure')->toString(),
        ]);
    }
}
if ($schema_version >= 8003) {
    
    /**
     * Schema version 8003.
     */
    function update_test_schema_update_8003() {
        // Uninstall a module with no dependencies installed by the Standard
        // profile.
        \Drupal::service('module_installer')->uninstall([
            'page_cache',
        ]);
        // Install a test module that is not installed in any of the database
        // dumps.
        \Drupal::service('module_installer')->install([
            'module_test',
        ]);
    }
}