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SQL code:

CREATE OR REPLACE PROCEDURE usp_refreshTopN IS
BEGIN
--Îĵµ
INSERT INTO topnresource(resourceId,title,type,cover,brief,properUser,tag,clickAmount,createDate,topNCreateDate,organization,topnType)
SELECT A.* from (SELECT resourceid,title,type,cover,brief,properuser,tag,clickamount,createdate,sysdate,organization,2 from resources WHERE refer = 1 AND type = 1 ORDER BY createdate DESC) A WHERE ROWNUM<=20;
--¾ÉµÄÐÅÏ¢£¬´ÓµÚ11Ìõµ½µÚ20Ìõ
DELETE from topnresource tpr WHERE tpr.topnresourceid IN (SELECT b.topnresourceid from(SELECT rownum myno,a.topnresourceid from (SELECT * from topnresource ORDER BY createdate DESC) a) b WHERE myno>10 AND myno<=20) AND tpr.topntype=2;
--¿Î³Ì
INSERT INTO topnresource(resourceId,title,type,cover,brief,properUser,tag,clickAmount,createDate,topNCreateDate,organization,topnType)
SELECT A.* from (SELECT resourceid,title,type,cover,brief,properuser,tag,clickamount,createdate,sysdate,organization,1 from resources WHERE refer = 1 and type = 4 ORDER BY createdate DESC) A WHERE ROWNUM<=20;
--¾ÉµÄÐÅÏ¢£¬´ÓµÚ11Ìõµ½µÚ20Ìõ
DELETE from topnresource tpr WHERE tpr.topnresourceid IN (SELECT b.topnresourceid from(SELECT rownum myno,a.topnresourceid from (SELECT * from topnresource ORDER BY createdate DESC) a) b WHERE myno>10 AND myno<=20) AND tpr.topntype=1;

--ÉçÇøÈÈÃÅÎĵµ
INSERT INTO topnresource(resour