gtsoft-snail-job-server/snail-job-datasource/snail-job-mariadb-datasource/src/main/resources/mariadb/mapper/RetryTaskLogMessageMapper.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="com.aizuda.snailjob.template.datasource.persistence.mapper.RetryTaskLogMessageMapper">

    <update id="updateBatch" parameterType="java.util.List">
        UPDATE sj_retry_task_log_message rt,
               (
                   <foreach collection="list" item="item" index="index" separator="UNION ALL">
                       SELECT
                           #{item.id}       AS id,
                           #{item.message}  AS message,
                           #{item.logNum}   AS log_num
                   </foreach>
               ) tt
           SET rt.message = tt.message, dest.log_num = tt.log_num
         WHERE rt.id = tt.id
    </update>

</mapper>