class.LinkDBUpdateSteps.php

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<?php

declare(strict_types=1);

namespace ILIAS\Link\Setup;

class LinkDBUpdateSteps implements \ilDatabaseUpdateSteps
{
    protected \ilDBInterface $db;

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

    public function step_1(): void
    {
        $field = array(
            'type' => 'text',
            'length' => 10,
            'notnull' => true
        );

        $this->db->modifyTableColumn("int_link", "target_type", $field);
    }

    public function step_2(): void
    {
        $this->db->update(
            "int_link",
            [
            "target_type" => ["text", "wpage"]
        ],
            [    // where
                "target_type" => ["text", "wpag"]
            ]
        );
    }
}