class.ilItemGroupDBUpdateSteps.php

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<?php
 
namespace ILIAS\ItemGroup\Setup;
 
class ilItemGroupDBUpdateSteps implements \ilDatabaseUpdateSteps
{
    protected \ilDBInterface $db;
 
    public function prepare(\ilDBInterface $db): void
    {
        $this->db = $db;
    }
 
    public function step_1(): void
    {
        if (!$this->db->tableColumnExists('itgr_data', 'list_presentation')) {
            $this->db->addTableColumn('itgr_data', 'list_presentation', array(
                "type" => "text",
                "length" => 10
            ));
        }
    }
 
    public function step_2()
    {
        if (!$this->db->tableColumnExists('itgr_data', 'tile_size')) {
            $this->db->addTableColumn('itgr_data', 'tile_size', array(
                "type" => "integer",
                "notnull" => true,
                "default" => 0,
                "length" => 1
            ));
        }
    }
}