请购成功的版本

src/main/java/com/rj/mapper/LbBuyAccountMapper.java

@@ -1,9 +1,30 @@
 package com.rj.mapper;
 
+import com.baomidou.mybatisplus.annotation.InterceptorIgnore;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.rj.entity.LbBuyAccount;
 import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Update;
+
+import java.time.LocalDateTime;
 
 @Mapper
 public interface LbBuyAccountMapper extends BaseMapper<LbBuyAccount> {
+
+    /**
+     * 按主键更新抢单结果与时间；跳过多租户拦截，避免批量抢单 worker 线程无租户上下文导致更新 0 行。
+     */
+    @InterceptorIgnore(tenantLine = "true")
+    @Update("""
+            UPDATE lb_buy_account
+            SET rush_buy_result = #{rushBuyResult},
+                last_rush_buy_time = #{lastRushBuyTime},
+                update_time = #{updateTime}
+            WHERE id = #{id}
+            """)
+    int updateRushBuyOutcome(@Param("id") String id,
+                             @Param("rushBuyResult") String rushBuyResult,
+                             @Param("lastRushBuyTime") LocalDateTime lastRushBuyTime,
+                             @Param("updateTime") LocalDateTime updateTime);
 }