WebbINHERIT SPECIAL REGISTERS BEGIN ATOMIC DECLARE bbb VARCHAR (4); set bbb = aaa; return bbb; END; 这是经过辅助工具生成的源码,我们可以发现如下几个特点: 1、 在函数名定义中加入(输入参数名 数据类型) 2、 随后定义返回值类型 3、 用BEGIN ATOMIC和END;作为起止标示 4、 用set 定义赋值 5、 用return定义返回值 创建成功的 … Webb24 apr. 2024 · 如果DB2中需要调用外部的java函数,可以使用外部UDF(user defind function)的方式,操作方法如下: 1.确认db2的jdk目录 [inst1@localhost ~] $ db2 get dbm cfg grep -i jdk_path Java Development Kit installation path (JDK_PATH) = /db2data/inst1/userhome/sqllib/java/jdk64 1. 2. 2.创建java文件 进行DB2 …
Special registers in a user-defined function or a stored procedure
WebbINHERIT SPECIAL REGISTERS or DEFAULT SPECIAL REGISTERS Specifies how special registers are set on entry to the routine. INHERIT SPECIAL REGISTERS … Webb26 nov. 2024 · A Status register or flag register or condition code register is a collection of status flags based on a processor. Status register is also a hardware register that … diamond sports park gainesville
请问generate_unique的自定义函数返回乱码-CSDN社区
WebbA special register is a storage area that is defined for an application process by Db2 and is used to store information that can be referenced in SQL statements. A … WebbDb2 treats all special register values that are passed through the client and driver interfaces as literal strings. For example, if a specified special register value is the … Webb11 mars 2024 · Using dynamic SQL in your routine (instead of static SQL) is one way to ensure the query gets compiled each time (while it is different from a previous instantiation, or not in the package-cache etc). In this case in your routine, you can use EXECUTE IMMEDIATE on a query you dynamically create inside the routine, or use PREPARE … cisco unified os administration web page