-- 创建一个存储过程来实现字符串分割DELIMITER$$CREATEPROCEDUREsplitString(strVARCHAR(255))BEGINDECLAREtempVARCHAR(255);DECLAREiINTDEFAULT1;DECLAREresultVARCHAR(255);-- 循环遍历字符串WHILEi<=LENGTH(str)DO-- 获取逗号之前的子字符串SETtemp=SUBSTRING_INDEX(SUBSTRING_INDEX(str,',',i),',',-1);-- ...
insert into tmp_split(`status`) values (func_split(f_string,f_delimiter,i)); end while; END$$ DELIMITER; 2、测试是否能成功分割 call splitString("apple,banana,orange,pears,grape",","); select * from tmp_split; 运行结果如下,说明分割成功: mysql> call splitString("apple,banana,orange,pe...
--自定义函数 delimiter $$ createfunctionmyfun3(ia int,ib int)returns int beginreturnia+ib;end $$ delimiter; 查看函数 代码语言:javascript 代码运行次数:0 运行 AI代码解释 showfunctionstatus[like'pattern'];--查看所有自定义函数,自定义函数只能在本数据库使用。 show createfunction函数名;--查看函数创...
不支持SELECT INTO OUTFILE/INTO DUMPFILE/INTO var_name 不支持query_expression_options,如:HIGH_PRIORITY/STRAIGHT_JOIN/SQL_SMALL_RESULT/SQL_BIG_RESULT/SQL_BUFFER_RESULT/SQL_CACHE/SQL_NO_CACHE/SQL_CALC_FOUND_ROWS 不支持不带列名的INSERT/REPLACE 不支持全局的DELETE/UPDATE使用ORDER BY/LIMIT(版本>=14.4...
delimiter:分隔符escape character:转义符mysql delimiter刚才试图搞mysql的存储过程,被郁闷了一回,最简单的存储过程,只要加上begin 和end就有莫名其妙的错误。比如 CREATE PROCEDURE p() BEGIN SELECT * FROM T; END; 够简单了吧?就是报错,其实是分号的问题,说的正规点叫分隔符。应该这样 1. delimiter // 2....
如何将MaxCompute中类型为array<string>的数据导入至AnalyticDB MySQL集群? 原因:MaxCompute外表不支持嵌套类型,无法直接将类型为array<string>的数据导入至AnalyticDB MySQL。 解决方法:您可以将MaxCompute中的数据以Parquet的格式导入至OSS,再通过AnalyticDB for MySQL读取OSS中以Parquet格式存储的数据。
It would be not a problem if they where a delimiter like , or ; but my delimiter is the count of characters in this case it is 2. I wont to split the column substring after each 2 characters into a new row? thanks and regards ...
1.字符串转数组 这个相信多数人都会常用,string.split方法,分隔符可以为多个.详细信息参见MSDN string[] actionCfgs = _para.Split(new char[]{cm_defaultSeparator}); 2.字符串数组转固定分隔符字符串 这个就不知道有多少人经常使用了.String.Join 详见MSDN string[] tempS= new string[]{"a","b","c"...
You can also split a string in MySQL by using a stored procedure. You need to create the following procedure in your database: DELIMITER//CREATEPROCEDUREsplitString(INinputStringtext,INdelimiterCharCHAR(1))BEGINDROPTEMPORARYTABLEIFEXISTStemp_string;CREATETEMPORARYTABLEtemp_string(valstext);WHILELOCATE...
record = separator string between records rows = print progress for every given rows (default, 1000000) file = output file name(default: uldrdata.txt) log = log file name, prefix with + to append mode fast = auto tuning the session level parameters(YES) ...