Fix Bug #575: fallback修复

openhis-application/src/main/java/com/openhis/application/mapper/SchedulePoolMapper.java

@@ -0,0 +1,28 @@
+package com.openhis.application.mapper;
+
+import com.openhis.application.domain.entity.SchedulePool;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
+import org.apache.ibatis.annotations.Update;
+
+public interface SchedulePoolMapper {
+
+    SchedulePool selectByPrimaryKey(Long id);
+
+    int insert(SchedulePool record);
+
+    int updateByPrimaryKey(SchedulePool record);
+
+    /**
+     * 乐观锁递增 booked_num
+     *
+     * @param id          号源池主键
+     * @param oldBookedNum 更新前的 booked_num 值
+     * @return 受影响的行数，0 表示并发冲突
+     */
+    @Update("UPDATE adm_schedule_pool " +
+            "SET booked_num = booked_num + 1 " +
+            "WHERE id = #{id} AND booked_num = #{oldBookedNum}")
+    int updateBookedNumOptimistic(@Param("id") Long id,
+                                  @Param("oldBookedNum") Integer oldBookedNum);
+}