ai-back/ruoyi-modules/ruoyi-productionManagementOfBulkOrders/src/main/resources/mapper/ProductionPlanMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="org.dromara.productionManagement.mapper.ProductionPlanMapper">

    <select id="selectLastId" resultType="java.lang.Long">
        SELECT
            id
        FROM fa_kuyou_plan
        ORDER BY id DESC
        LIMIT 1
    </select>
</mapper>