CREATEFUNCTIONadd_numbers(aINT,bINT)RETURNSINTBEGINDECLAREsum_valueINT;SETsum_value=a+b;RETURNsum_value;END; 设置断点:在MySQL Workbench中打开函数定义,找到你想要调试的行,右键点击并选择“Toggle Breakpoint”来设置断点。 启动调试:选择“Debug”选项,然后点击“Debug Current Connection”来启动调试会话。 逐...
Description: The export function of MySQL Workbench imperatively adds a semicolon (";") at the end of the create statement for a view. If a semicolon has already been added to the views SQL statement (DDL Property of the view) in design mode, this will result in two semicolons at ...
function mysql 返回多个 mysql函数返回表 1、MySQL中的函数: 1、数据库主要做存储和查询操作,逻辑操作一般不在数据库中进行操作 2、MySQL中的函数主要是自定义函数,其中自定义函数格式如下: -- 修改语句结束符 delimiter $$ create function 函数名(参数名 数据类型, 参数名 数据类型) returns 返回值类型 begin ...
按照一些教程尝试在 MySQL 的 workbench 写函数,按照例子输入代码老是报错: “syntax error, unexpected end_of_input, expecting ';' ”. google之,从官网上得到答案:http://dev.mysql.com/doc/refman/5.1/zh/stored-procedures.html#create-procedure 【出错原因】:默认情况下,mysql是以分号“;”作为一条SQL语...
When executing a simple JSON_TABLE example in MySql Workbench 8.0 getting ""(" is not valid at this position, expecting EOF, ';'" error. I'm using MySql version 8.0.20. Any help is much appreciated. SELECT tt.* FROM JSON_table( '[{"a":"3"},{"a":2},{"b":1},{"a"...
Note that in these stored functions, the delimiter command has been used to change the MySQL statement delimiter to a vertical bar, like this: All of the stored functions shown in this section take string representations of GTID sets as arguments, so GTID sets must always be quoted when used...
If you want to check whether the configuration option has already been set and, if not, use the return value of sys_get_config(), you can use IFNULL(...) (see example later). However, this should not be done inside a loop (for example, for each row in a result set) because for...
Description:When typing something in the code editor of MySQL Workbench after query like select repeat('x', 4); - the editor obviously considered all the next code as a continuation of the query with repeat() function.How to repeat:- open the new query tab in the MySQL workbench - type...
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Is there a way to make the MySQL Workbench error descriptions more "verbose"? I keep seeing the same non-informative error everytime: Error Code: 1064. You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ...