class.ilAuthenticationDatabaseUpdateSteps8.php

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<?php
 
declare(strict_types=1);
 
class ilAuthenticationDatabaseUpdateSteps8 implements ilDatabaseUpdateSteps
{
    protected ilDBInterface $db;
 
    public function prepare(ilDBInterface $db): void
    {
        $this->db = $db;
    }
 
    public function step_1(): void
    {
        if ($this->db->tableExists('usr_session_stats_raw') &&
            $this->db->tableColumnExists('usr_session_stats_raw', 'start_time')) {
            $this->db->addIndex(
                'usr_session_stats_raw',
                ['start_time'],
                'i1'
            );
        }
    }
}