Doctrine\DBAL\Platforms\PostgreSqlPlatform::getTruncateTableSQL PHP Method

    public function getTruncateTableSQL($tableName, $cascade = false)
    {
        $tableIdentifier = new Identifier($tableName);
        $sql = 'TRUNCATE ' . $tableIdentifier->getQuotedName($this);
        if ($cascade) {
            $sql .= ' CASCADE';
        }
        return $sql;
    }