怎么根据ID获取同一行中的某一个字段

<br />
$sql = "SELECT * FROM `shops` WHERE `id` > '100' limit 1 order by id asc";<br />
$s = $db->getLine($sql);<br />
$shop = array(<br />
    'body'    =>    $s['body'],<br />
);<br />

<br />
$sql = "SELECT * FROM `shops` WHERE `id` = '101'";<br />
$s = $db->getLine($sql);<br />
$shop = array(<br />
    'body'    =>    $s['body'],<br />
);

<br />
$sql = "SELECT * FROM `shops` WHERE `id` > '100' limit 1 order by id ASC limit 1";<br />
$s = $db->getLine($sql);<br />
$shop = array(<br />
    'body'    =>    $s['body'],<br />
);<br />