SELECT * FROM ${tableName} AND design = #{attributeRetrievalAttrDict.design} AND silhouette = #{attributeRetrievalAttrDict.silhouette} ORDER BY RAND() LIMIT #{poolNum} SELECT * FROM ${tableName} ORDER BY RAND() LIMIT 1 SELECT * FROM ${tableName} AND type = #{attributeRetrievalAttrDict.type} AND opening_type = #{attributeRetrievalAttrDict.openingType} AND subtype = #{attributeRetrievalAttrDict.subtype} ORDER BY RAND() LIMIT 20 SELECT ID FROM ${tableName} WHERE img_name = #{fileName} update ${tableName} set style = #{style} where ID = #{id}