用Mysql怎样实现Oracle中的SYS_CONNECT_BY_PATH函数和START WITH ...CONNECT BY PRIOR方法

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<select id="getMenuCatVOList" resultClass="MenucatVO" parameterClass="MenucatVO" cacheModel="FSmenu-cache">

<![CDATA[

SELECT menuid,

menuname,

coltype,

siteroot,

ltrim(MAX(SYS_CONNECT_BY_PATH(menuname,'->')), '->') menunames

FROM tbl_menu

WHERE isendmenu = 'Y'

AND siteroot = #siteroot#

AND coltype=#coltype#

START WITHpid = 0

CONNECT BY PRIOR pid =menuid

GROUP BY menuid,

coltype,

menuname, siteroot

order by menuid desc

]]>

</select>

请问用Mysql怎样实现以上方法？？显示我截图的效果，请多多指教