function advagg_update_7200

Upgrade AdvAgg previous versions (6.x-1.x and 7.x-1.x) to 7.x-2.x.

Fichier

./advagg.install, line 376

Code

function advagg_update_7200(&$sandbox) {
    // Check and see if new tables exist.
    $table_names = array_keys(advagg_schema());
    $all_tables_exist = TRUE;
    foreach ($table_names as $table_name) {
        if (!db_table_exists($table_name)) {
            $all_tables_exist = FALSE;
        }
    }
    // Bail if needed DB Tables exist.
    if ($all_tables_exist) {
        return t('Nothing needed to happen in Advanced CSS/JS Aggregation.');
    }
    // Remove all old advagg variables.
    db_delete('variable')->condition('name', 'advagg%', 'LIKE')
        ->execute();
    // Remove old schema.
    $tables_to_remove = array(
        'cache_advagg',
        'cache_advagg_files_data',
        'cache_advagg_bundle_reuse',
        'advagg_files',
        'advagg_bundles',
    );
    foreach ($tables_to_remove as $table_to_remove) {
        if (db_table_exists($table_to_remove)) {
            db_drop_table($table_to_remove);
        }
    }
    // Install new schema.
    drupal_install_schema('advagg');
    return t('Upgraded Advanced CSS/JS Aggregation to 7.x-2.x.');
}