使用Example_where_Cause出现 Column 'goods_id' in where clause is ambiguous解决办法

改写SSM项目https://www.bilibili.com/video/BV18J411k7SF?from=search&seid=7715680395343362130出现

Column 'goods_id' in where clause is ambiguous解决办法

原因分析及解释:https://www.bilibili.com/video/av925559812

P22 商品加入购物车前端处理空降9分42

<select id="selectByExample" parameterType="com.damu.xiaomi.entry.GoodsCartExample" resultMap="BaseResultMapWithGoodsimage"><!--WARNING - @mbg.generatedThis element is automatically generated by MyBatis Generator, do not modify.This element was generated on Tue Dec 10 19:17:22 CST 2019.-->select gc.id, gc.goods_id,  gc.add_date, gc.buy_count, gc.subtotal, gc.consumer_id,gi.id giid, gi.path, gi.title, gi.alt, gi.goods_id gigidfrom xiaomi.goods_cart gcleft join xiaomi.goods_images gion gc.goods_id = gi.goods_id<if test="_parameter != null"><include refid="Example_Where_Clause" /></if><if test="orderByClause != null">order by ${orderByClause}</if></select><resultMap id="BaseResultMapWithGoodsimage" type="com.damu.xiaomi.entry.GoodsCart"><!--WARNING - @mbg.generatedThis element is automatically generated by MyBatis Generator, do not modify.This element was generated on Tue Dec 10 19:17:22 CST 2019.--><id column="id" jdbcType="INTEGER" property="id" /><result column="buy_count" jdbcType="INTEGER" property="buyCount" /><result column="goods_id" jdbcType="INTEGER" property="goodsId" /><result column="add_date" jdbcType="TIMESTAMP" property="addDate" /><result column="subtotal" jdbcType="DOUBLE" property="subtotal" /><result column="consumer_id" jdbcType="INTEGER" property="consumerId" /><collection property="goodsImages" ofType="com.damu.xiaomi.entry.GoodsImages"><id column="giid" property="id"/><result column="path" property="path"/><result column="title" property="title"/><result column="alt" property="alt"/></collection></resultMap>sql id="Example_Where_Clause"><!--WARNING - @mbg.generatedThis element is automatically generated by MyBatis Generator, do not modify.This element was generated on Tue Dec 10 19:17:22 CST 2019.--><where><foreach collection="oredCriteria" item="criteria" separator="or"><if test="criteria.valid"><trim prefix="(" prefixOverrides="and" suffix=")"><foreach collection="criteria.criteria" item="criterion"><choose><when test="criterion.noValue">and ${criterion.condition}</when><when test="criterion.singleValue">and ${criterion.condition} #{criterion.value}</when><when test="criterion.betweenValue">and ${criterion.condition} #{criterion.value} and #{criterion.secondValue}</when><when test="criterion.listValue">and ${criterion.condition}<foreach close=")" collection="criterion.value" item="listItem" open="(" separator=",">#{listItem}</foreach></when></choose></foreach></trim></if></foreach></where></sql>

解决办法:：在mysql 生成视图

create view  v_goodcartinfo as(select gc.id, gc.goods_id,  gc.add_date, gc.buy_count, gc.subtotal, gc.consumer_id,gi.id giid, gi.path, gi.title, gi.alt, gi.goods_id gigidfrom xiaomi.goods_cart gcleft join xiaomi.goods_images gion gc.goods_id = gi.goods_id
)

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