String contains mainly comes up when you need to filter or retrieve the data that follows a specific text pattern. In this tutorial, we will explore the various methods and techniques that you can use to search whether a string contains another substring. It is good to keep in mind that ea...
contains文本的select语句EN这两种方式，可以实现相同的功能。简单Case函数的写法相对比较简洁，但是和Case...
get(0).toString(); String alias = fieldName; if(fieldName.contains(".")) { alias = fieldName.substring(fieldName.lastIndexOf('.') + 1); } fieldList.add(new SelectFieldClauseDescriptor(fieldName, alias)); return; } if(ts < 2) { return; } if(ts == 2) { // original_name ...
一:理论 oracle 截取字符(substr),检索字符位置(instr) case when then else end语句使用 收藏 常用函数:substr和instr 1.SUBSTR(string,start_position,[length]) 求子字符串,返回字符串 解释:string 元字符串 start_position 开始位置(从0开始) length 可选项,子字符串的个数 For example: substr("ABCDEFG", ...
CONTAINS INTO SET CONTAINSTABLE IS SETUSER CONTINUE JOIN SHUTDOWN CONVERT KEY SOME CREATE KILL STATISTICS CROSS LEFT SYSTEM_USER CURRENT LIKE TABLE CURRENT_DATE LINENO TABLESAMPLE CURRENT_TIME LOAD TEXTSIZE CURRENT_TIMESTAMP MERGE THEN CURRENT_USER ...
Content Provider组件是可导出的未校验输入值是否符舍规范,就作为SQL语句的一部分,例如:String inputUserName = "123'or'1=1";String inputPassword = "123";String sql = "select *from user where username='"+inputUserName +"' and password='"+inputPa...
字符串(string):char、varchar、text 2、非聚合函数 2.1 条件判断(if、case when、multiIf) 条件判断常用函数 问:case操作符和multiif函数都是根据不同的条件做不同的逻辑操作,为什么case常用而multiif不常用?答:case操作符更灵活。case操作符可以在一个表达式中多次重复使用,而multiif函数只能在一个函数调用中...
通过,SUM(CASE WHEN sb.sblb = '3' THEN 1 ELSE 0 END) AS 失效 FROM SBMP_SBXX sb JOIN FR_ZTJCXX ztjc ON ztjc.qylx is NOT NULL AND ztjc.qyzt = '1' AND ztjc.ssgq IS NOT NULL AND ztjc.ID = sb.ztid WHERE sb.rdsj = 'XXX'";List<String> result =newArrayList<String>()...
!SqlFunc.Contains(string thisValue, string parameterValue) //前面加个!In单列操作 thisValue=new string[]{1,2,3} paramterValie =it.Id 生成的Sql就是 id in (1,2,3)//非参数化in 支持数量无上限 SqlFunc.ContainsArray(object[] thisValue, string parameterValue) //参数化in ,特殊类型适合用...
报错:Feature not supported: INSERT on conflict contains un-unique column 问题原因:INSERT ON CONFLICT中的conflict条件使用了非主键字段。 解决方法:INSERT ON CONFLICT中的conflict条件只能使用主键。 报错:Feature not supported: UPDATE with shard keys ...