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From olafos <olaf...@wp.pl>
Subject Re: association in IBatis3
Date Sun, 06 Sep 2009 11:51:19 GMT

Thanks a lot Clinton,

I tried to replace <result> with <id> but it didn't do the trick. Here's a
JIRA ticket with test case attached
https://issues.apache.org/jira/browse/IBATIS-646.

Olaf


Clinton Begin wrote:
> 
> Can you create a failing unit test and attach it to a JIRA ticket?
> 
> For giggles, make all of the "bidResult" properties <id> instead of
> <property>...
> 
> Clinton
> 
> On Sat, Sep 5, 2009 at 4:43 PM, olafos <olafoos@wp.pl> wrote:
> 
>>
>> Hi I was using IBatis 2 and decided to try out IBatis 3 beta 3. I have a
>> problem with association mapping when all columns of the associated
>> result
>> map are NULL - I'm pretty sure that in IBatis 2 such association would
>> have
>> a null value, in IBatis 3 it produces and object with null fields.
>>
>> This is my sql schema:
>>
>> CREATE TABLE DB_AUCTION_STATE (
>>        `AS_AUCTION_FKEY` BIGINT NOT NULL,
>>        `AS_SEQ` BIGINT NOT NULL,
>>        `AS_PRICE` BIGINT NOT NULL,
>>        `AS_VALUE` BIGINT NOT NULL,
>>        `AS_INCOME` BIGINT NOT NULL,
>>        `AS_BID_SEQ` BIGINT,
>>        `AS_BID_COST` BIGINT,
>>        `AS_BID_VALUE` BIGINT,
>>        `AS_FINISHED` BOOLEAN NOT NULL,
>>        CONSTRAINT `IDX_DB_AUCTION_STATE_PKEY` PRIMARY KEY
>> (`AS_AUCTION_FKEY`,
>> `AS_SEQ`)
>> );
>>
>> And here's a fragment of my mapper config:
>>
>> <resultMap type="Bid" id="bidResult">
>>        <result property="seq" column="AS_BID_SEQ"/>
>>        <result property="cost" column="AS_BID_COST"/>
>>        <result property="value" column="AS_BID_VALUE"/>
>> </resultMap>
>>
>> <resultMap type="AuctionStateSnapshot" id="auctionStateSnapshotResult">
>>        <result property="seq" column="AS_SEQ" javaType="long"
>> jdbcType="BIGINT"/>
>>        <result property="price" column="AS_PRICE" javaType="long"
>> jdbcType="BIGINT"/>
>>        <result property="value" column="AS_VALUE" javaType="long"
>> jdbcType="BIGINT"/>
>>        <result property="income" column="AS_INCOME" javaType="long"
>> jdbcType="BIGINT"/>
>>        <result property="finished" column="AS_FINISHED"
>> javaType="boolean"
>> jdbcType="BOOLEAN"/>
>>        <association property="bid" resultMap="bidResult"/>
>> </resultMap>
>>
>> <select id="selectListCurrentAuctionState" parameterType="long"
>> resultMap="auctionStateSnapshotResult">
>>        select * from DB_AUCTION_STATE where AS_AUCTION_FKEY = #{key}
>> order
>> by
>> AS_SEQ desc limit 1;
>> </select>
>>
>> When `AS_BID_SEQ`, `AS_BID_COST` and `AS_BID_VALUE` are null in the
>> result
>> set i still get a not-null bid field in AuctionStateSnapshot with all
>> fields
>> set to null. Is this a desired behaviour? Is there some workaround for
>> this?
>>
>> Please help,
>> Olaf Tomczak
>>
>> --
>> View this message in context:
>> http://www.nabble.com/association-in-IBatis3-tp25312975p25312975.html
>> Sent from the iBATIS - User - Java mailing list archive at Nabble.com.
>>
>>
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>>
>>
> 
> 

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