Doctrine\DBAL\Schema\DB2SchemaManager::_getPortableTableIndexesList PHP Method

    protected function _getPortableTableIndexesList($tableIndexRows, $tableName = null)
    {
        foreach ($tableIndexRows as &$tableIndexRow) {
            $tableIndexRow = array_change_key_case($tableIndexRow, \CASE_LOWER);
            $tableIndexRow['primary'] = (bool) $tableIndexRow['primary'];
        }
        return parent::_getPortableTableIndexesList($tableIndexRows, $tableName);
    }