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Mybatis查询可能为null
小編覺得挺不錯的,現在分享給大家,幫大家做個參考.
查詢字段值可能為null
也可能不為null
<
select id=
"select" resultMap=
"BaseResultMap">
select<include refid=
"Base_List"/>
from DIC_BIZ_ITEM_PERFORMANCE
WHERE 1=
1<choose><
when test=
"sampleBizModelId !=null and sampleBizModelId !=''">
AND SAMPLE_BIZ_MODEL_ID=
#{sampleBizModelId}</
when><otherwise>
AND SAMPLE_BIZ_MODEL_ID
IS NULL</otherwise></choose><choose><
when test=
"laboratoryId !=null and laboratoryId !=''">
AND LABORATORY_ID=
#{laboratoryId}</
when><otherwise>
AND LABORATORY_ID
IS NULL</otherwise></choose><choose><
when test=
"sampleModelId !=null and sampleModelId !=''">
AND SAMPLE_MODEL_ID=
#{sampleModelId}</
when><otherwise>
AND SAMPLE_MODEL_ID
IS NULL</otherwise></choose><choose><
when test=
"assayBizItemId !=null and assayBizItemId !=''">
AND ASSAY_BIZ_ITEM_ID=
#{assayBizItemId}</
when><otherwise>
AND ASSAY_BIZ_ITEM_ID
IS NULL</otherwise></choose>
</
select>
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