[jboss-user] [EJB/JBoss] - How to use Group By Clause in JBOSS QL?
Hi,
I am using EJB 2.1 for my application & using JBOSS 4.0.3 as Application server. Now I
am using JBOSS Dynamic QL for "group by" clause as follows:-
-------------------------
public Collection ejbHomeSelectInStates(Set states)
throws FinderException
{
StringBuffer jbossQl = new StringBuffer();
jbossQl.append("SELECT g.orderno ");
jbossQl.append("FROM OrderMaster g ");
jbossQl.append("GROUP BY g.orderno");
Object[] args = states.toArray(new Object[states.size()]);
return ejbSelectGeneric(jbossQl.toString(), args);
}
--------------------------
& I have declared "ejbSelectGeneric" generic method is as follows using
XDOCLET:-
--------------------------------------------------
* @jboss.query
* signature="Collection ejbSelectGeneric(java.lang.String ql, java.lang.Object[]
params)"
* dynamic="true"
---------------------------------------------------
But when I am accessing function "ejbHomeSelectInStates" in my client, I am
getting following error:-
---------------------------------------------
19:02:56,281 INFO [STDOUT] javax.ejb.FinderException: Error compiling ejbql:
org.jboss.ejb.plugins.cmp.ejbql.ParseException: Encountered "GROUP" at line 1,
column 36.
Was expecting one of:
"," ...
19:02:56,281 INFO [STDOUT] at
org.jboss.ejb.plugins.cmp.jdbc.JDBCDynamicQLQuery.execute(JDBCDynamicQLQuery.java:101)
19:02:56,281 INFO [STDOUT] at
org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCSelectorBridge.execute(JDBCSelectorBridge.java:99)
19:02:56,281 INFO [STDOUT] at
org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCSelectorBridge.invoke(JDBCSelectorBridge.java:70)
19:02:56,281 INFO [STDOUT] at
org.jboss.ejb.plugins.cmp.bridge.EntityBridgeInvocationHandler.invoke(EntityBridgeInvocationHandler.java:91)
19:02:56,281 INFO [STDOUT] at org.jboss.proxy.compiler.Runtime.invoke(Runtime.java:62)
19:02:56,281 INFO [STDOUT] at
econify.ordermaster.ejb.OrderMasterCMP$Proxy.ejbSelectGeneric()
19:02:56,281 INFO [STDOUT] at
econify.ordermaster.ejb.OrderMasterBean.ejbHomeSelectInStates(OrderMasterBean.java:288)
19:02:56,281 INFO [STDOUT] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
19:02:56,281 INFO [STDOUT] at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
19:02:56,281 INFO [STDOUT] at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
----------------------------------------------
I really got bored now as I am trying to solve this problem since last 15 days. Also I
searched on net for same, but I am not getting actual solution for it.
PLease help me to solve this problem, as my whole application got stuck due to this.
Thank you.
Pras
View the original post :
http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3970751#...
Reply to the post :
http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...