ORDER BY CASE WHEN score = 0 THEN 1 ELSE 0 END, score DESC, name ASC; 在这个例子中,我们使用CASE WHEN THEN语句对score进行特殊处理。如果score等于0,则将其排在最后(通过WHEN score = 0 THEN 1实现),否则按照正常顺序排列(通过ELSE 0实现)。然后按照score从高到低进行排序(DESC),对于score相同的用户...
= '' ">when id=#{cus.id} then #{cus.tenantCode}</if> </foreach> </trim> <trim prefix="salary_common_type_id=case" suffix="end,"> <foreach collection="list" item="cus"> <iftest="cus.salaryCommonTypeId != null ">when id=#{cus.id} then #{cus.salaryCommonTypeId}</if> <...
update wms_bt_gfc_bill_create <set> relation_order_code = <foreach collection="models" item="model" open="CASE id" close=" END,"> WHEN #{model.id} THEN <if test="model.relationOrderCode != null and model.relationOrderCode !=''"> #{model.relationOrderCode,jdbcType=VARCHAR} </if>...
count(case when ob.apply_status = 7 then ob.apply_status end) as sumFailLoanCount, count(case when ob.release_status = 1 then ob.release_status end) as sumReleaseCount, sum(case when ob.release_status = 1 then ob.release_money end) as sumReleaseAmount, c.channel_name as channelName...
count(case when ob.release_status = 1 then ob.release_status end) as sumReleaseCount, sum(case when ob.release_status = 1 then ob.release_money end) as sumReleaseAmount, c.channel_name as channelName from salesman s left join order_base ob ...
RETURN REVOKE RIGHT RLIKE SCHEMA SCHEMAS SECOND_MICROSECOND SELECT SENSITIVE SEPARATOR SET SHOW SMALLINT SPATIAL SPECIFIC SQL SQLEXCEPTION SQLSTATE SQLWARNING SQL_BIG_RESULT SQL_CALC_FOUND_ROWS SQL_SMALL_RESULT SSL STARTING STRAIGHT_JOIN TABLE TERMINATED THEN TINYBLOB TINYINT TINYTEXT TO TRAILING TRIGG...
return assistant.useCacheRef(cacheRefNamespace); } 1. 2. 3. 4. 而MapperBuilderAssistant则是从Configuration中getCache(namespace) public Cache useCacheRef(String namespace) { if (namespace == null) { throw new BuilderException("cache-ref element requires a namespace attribute."); ...
对于mybatis的入门,个人是觉得比较简单的,只要实现了对数据库的CURD操作,基本就可以说是入门了,这里用springboot+mybatis的一个简单例子作为入门案例。 (1)数据库创建 代码语言:javascript 代码运行次数:0 运行 AI代码解释 --注意:先创建一个数据库,再执行下面的语句DROPTABLEIFEXISTS`user`;CREATETABLE`user`(`id...
2019-12-12 10:53 − MySql 中 case when then else end 的用法转- https://www.cnblogs.com/mytzq/p/8358315.html 解释: SELECT case ---如果 when sex='... 依羽杉 0 1078 case when语法 2019-12-23 14:04 − Case具有两种格式。简单Case函数和Case搜索函数。 --简单Case函数: CASE se...
mybatisPlus的一些用法(一)trim、foreach、if、case、when、then 2019-12-23 09:51 −1、在项目开发中遇到一些新的知识点、在这里做以总结。 (1) <trim></trim>标签、 <foreach></foreach>标签 <update id="updateBatch" param... 岷州李斌 ...