Unfortunately it doesn't work. Code fails with the following:
-----
Caused by: java.lang.NullPointerException
at
org.apache.ibatis.executor.resultset.FastResultSetHandler.createParameterize
dResultObject(FastResultSetHandler.java:295)
at
org.apache.ibatis.executor.resultset.FastResultSetHandler.createResultObject
(FastResultSetHandler.java:281)
at
org.apache.ibatis.executor.resultset.FastResultSetHandler.createResultObject
(FastResultSetHandler.java:268)
at
org.apache.ibatis.executor.resultset.NestedResultSetHandler.getRowValue(Nest
edResultSetHandler.java:97)
at
org.apache.ibatis.executor.resultset.NestedResultSetHandler.handleRowValues(
NestedResultSetHandler.java:75)
at
org.apache.ibatis.executor.resultset.FastResultSetHandler.handleResultSet(Fa
stResultSetHandler.java:107)
at
org.apache.ibatis.executor.resultset.NestedResultSetHandler.handleResultSets
(NestedResultSetHandler.java:56)
at
org.apache.ibatis.executor.statement.PreparedStatementHandler.query(Prepared
StatementHandler.java:40)
at
org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingSt
atementHandler.java:55)
at
org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:41)
at
org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:86)
at
org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:67)
at
org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSe
ssion.java:58)
-----
This is because it tries to get a typeHandler
final TypeHandler typeHandler = constructorMapping.getTypeHandler();
^^^^^^^^^^^^^^^^^^^^^^^^ - null
final String column = constructorMapping.getColumn();
final Object value = typeHandler.getResult(rs, column);
which is null for mapping like:
<arg javaType="TypeX" resultMap="TypeXResult"/>
I'm not familiar (yet) with the way nested result maps are handled in other
parts of the code but it seems that some info gets set correctly in to the
constructor mapping, for example the nestedresultMapId is set correctly.
From: Clinton Begin [mailto:[email protected]]
Sent: Tuesday, January 05, 2010 12:16 PM
To: [email protected]
Subject: Re: is there any chance the
https://issues.apache.org/jira/browse/IBATIS-717 will be implemented?
Can you try it locally first? Just change the DTD to allow it. I think it
works, as I believe it's all the same builder code.
You'll have to change the DTD URL and PUBLIC/SYSTEM to override it locally.
Clinton
On Tue, Jan 5, 2010 at 9:31 AM, OBender <[email protected]> wrote:
It's a feature not a bug but pretty important one I think.
