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From Clinton Begin <clinton.be...@gmail.com>
Subject Re: association in IBatis3
Date Sun, 06 Sep 2009 07:43:16 GMT
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
>
> --
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> 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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