Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

SQLÓïÑԵIJ¼¾ÖºÍIllegalArgumentException

ºÍjava.lang.IllegalArgumentException: org.hibernate.QueryException: JPA-style positional param was not an integral ordinalÕ½¶·Á˰ëÌ죬º¹°¡£¡
ʹÓÃjpa + strut+ hibernate ¾Í±¨org.hibernate.QueryException: JPA-style positional param was not an integral ordinal
Ò»°ã°ÑhqlÓï¾äдÔÚÒ»ÐУ¬»áºÜ³¤£¬ÔÚideÖÐÐèÒªÍ϶¯¹ö¶¯Ìõ²ÅÄܲ鿴¡£ÎªÁË·½±ãÔĶÁ£¬¹Ê¸Ä³É¼¸ÐУº
public List<Resource> getResourceByTag(Tag tag,int start) {
        Query query = entityManager.createQuery(
                "SELECT r from Resource r WHERE ?1" +
                "IN (SELECT t from r.res_tags t)" +
                "ORDER BY r.res_update_date DESC");
        query.setParameter(1, tag);
        query.setFirstResult(start);
        query.setMaxResults(Constants.ITEMS_PER_PAGE);
        return query.getResultList();
    }
È»ºó¾Í±¨´íava.lang.IllegalArgumentException: org.hibernate.QueryException: JPA-style positional param was not an integral ordinal¡£
°¡°¡°¡°¡°¡°¡£¬sqlÖÐÉÙÁ˺ü¸¸ö¿Õ¸ñ£¬¾ÍÔÚ»»Ðеĵط½
ÕýÈ·£º
"from Resource r WHERE ?1 " +
                "IN (from r.res_tags) " +
                "ORDER BY r.res_update_date DESC");
ÎÞÄεĽÌѵ£¡


Ïà¹ØÎĵµ£º

SQL Server 2005ÖÐÊý¾ÝÍÚ¾òËã·¨À©Õ¹·½·¨


ÕªÒª£º±¾ÎĽ«½éÉÜSQL Server 2005 Analysis ServicesÖÐÊý¾ÝÍÚ¾òËã·¨À©Õ¹·½·¨£¬ÔÚÆ½Ê±¿ª·¢ÖÐÎÒÃÇÐèÒª¸ù¾ÝÒªÇóÀ´À©Õ¹SSASµÄÍÚ¾òËã·¨¡£
±êÇ©£ºSQL  Server 2005  Êý¾ÝÍÚ¾ò  Ëã·¨
SSASΪÎÒÃÇÌṩÁ˾ÅÖÖÊý¾ÝÍÚ¾òËã·¨£¬µ«ÊÇÔÚÓ¦ÓÃÖÐÎÒÃÇÐèÒª¸ù¾Ýʵ¼ÊÎÊÌâÉè¼ÆÊʵ±µÄËã·¨£¬Õâ¸öʱºò¾ÍÐèÒªÀ©Õ¹SSA ......

¸ü¶à¼òµ¥¶øÊµÓÃµÄ DB2 SQL Óï¾ä


----start
ÎÊÌ⣺²é¿´DB2 °æ±¾---SELECT * from SYSIBM.SYSVERSIONS
ÎÊÌ⣺²é¿´ÏµÍ³ÖÐÓÐÄÄЩ±íÒÔ¼°ÕâЩ±íµÄ¸ÅÒªÐÅÏ¢£ºSELECT * from SYSCAT.TABLES
ÎÊÌ⣺²é¿´Ä³¸ö±íÓÐÄÄЩÁÐÒÔ¼°ÕâЩÁеĸÅÒªÐÅÏ¢£ºSELECT * from SYSCAT.COLUMNS WHERE  TABNAME=<YOUR_TABLE_NAME>
---´ýÐøÎ´Íê
---¸ü¶à²Î¼û£ºDB2 SQL ¾«Ò ......

SQLÖÐûÓü¯ºÏµÄminus,ÓÃunionʵÏÖ

ÁгöTableAÖÐÓеĶøTableBÖÐûÓÐ, ÒÔ¼°BÖÐÓжøAÖÐûÓеļǼ£º
ÆäÖÐÁ½¸ö±íµÄ½á¹¹Ïàͬ£¬Ñ¡ÔñµÄKey¿ÉÒÔ¶à¸ö
Select Key from
( select * from TableA
Union select * from TableB
)
group by Key
having count(Key)=1

ÁгöTableAÖÐÓеĶøTableBÖÐûÓеļǼ£º
Select Key from
( (select * from TableA
Un ......

»ñÈ¡SQL ServerµÄµ±Ç°Á¬½ÓÊý

»ñÈ¡SQL ServerµÄµ±Ç°Á¬½ÓÊý
[ת]http://www.cnblogs.com/confach/archive/2006/05/31/414156.html
Ê×ÏÈÉùÃ÷:Õâ¸öÎÊÌâÎÒûÓнâ¾ö
µ±ÍøÓÑÎʵ½ÎÒÕâ¸öÎÊÌâʱ,ÎÒÒ²»¹ÒÔΪºÜ¼òµ¥,ÒÔΪSQL ServerÓ¦¸ÃÌṩÁ˶ÔÓ¦µÄϵͳ±äÁ¿Ê²Ã´µÄ.µ«Êǵ½Ä¿Ç°ÎªÖ¹,ÎÒ»¹Ã»Óеõ½Ò»¸ö±È½ÏºÃµÄ½â¾ö·½°¸.¿ÉÄܼܺòµ¥,,Ö»²»¹ýÎÒ²»ÖªµÀ°ÕÁË.Ï£ÍûÈç´Ë.. ......

ÔõôÔö¼ÓSQL ServerÁ¬½ÓÊý

ÔõôÔö¼ÓSQL ServerÁ¬½ÓÊý
1. ¿´²Ù×÷ƽ̨µÄ連½Ó數ÊǶàÉÙ
   ¿ØÖÆÌ¨µÄÊÚ權¿´¿´
2. 進GENERAL¿´¿´SQL SERVER USERS CONNECTIONS
    Ôö´ó¼´¿É
sp_configure 'number of connection'
go ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ