class.ilBackgroundTasksDB80.php

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<?php

class ilBackgroundTasksDB80 implements ilDatabaseUpdateSteps
{
    protected ilDBInterface $db;

    public function prepare(ilDBInterface $db): void
    {
        $this->db = $db;
    }

    public function step_1(): void
    {
        if (!$this->db->indexExistsByFields('il_bt_bucket', ['user_id'])) {
            $this->db->addIndex('il_bt_bucket', ['user_id'], 'i1');
        }
    }
}