[jira] Commented: (IBATIS-221) Can't store a List in a Map

["Gary Bradshaw (JIRA)" <ib...@incubator.apache.org>]

    [ http://issues.apache.org/jira/browse/IBATIS-221?page=comments#action_12357588 ] 

Gary Bradshaw commented on IBATIS-221:
--------------------------------------

After a little more browsing, it looks to me like this change will work for lazy loading, too.

> Can't store a List in a Map
> ---------------------------
>
>          Key: IBATIS-221
>          URL: http://issues.apache.org/jira/browse/IBATIS-221
>      Project: iBatis for Java
>         Type: Bug
>   Components: SQL Maps
>     Versions: 2.1.5
>  Environment: Windows XP, j2sdk1.4.2_08
>     Reporter: Gary Bradshaw
>     Priority: Minor
>  Attachments: BasicResultMap.java
>
> Nested selects (N+1 selects) with a 1:N relation work fine as long as the primary result set is mapped to a JavaBean, but when the primary result set is mapped to a Map, iBATIS ignores the javaType of the column with the select attribute and treats it as a simple Object. This is a problem for 1:N cases since it needs to treat the column as a List and use queryForList() instead of  queryForObject() to load it.
> A small change to com.ibatis.sqlmap.engine.mapping.result.BasicResultMap.java seems to take care of the problem in my case, but there may be a corresponging change required for LazyLoading that I haven't looked into.

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