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博客园 - Rawu

QT 使用(1) 到广外路线图 假期电话值班问题 test from blogex Event Sample -- from Professional C# DB2数据库中提高INSERT性能详解 [zt] Uwyn C++ Coding Standard 成员模板 class template template base -- const coding style Symbian OS C++ for Mobile Phones Volume2 -- hand note [zt]DB2编程小结 High-performance SQL Using DB2 routines to ease migration [ICNEWCASTLE]Bad day at the office [ICNEWCASTLE]I'll celebrate! the night before last night 's dream find it for a long time .. PB dddw filter Problem's Solution
写个帖子记录一些小问题。
Rawu · 2006-01-11 · via 博客园 - Rawu

---------------------------------------------------
编译DB2 UDF 出现
file ***.exp at line 1:
Only one symbol name per line is allowed. The symbol name may be
followed by an export attribute or an address.
The line is being ignored.

原因:"I think I know what the issue may be. Your script may contain embedded carriage returns which configure doesn't like. "

---------------------------------------------------
修改DB2 UDF 函数文件 *.sqc  重新编译并覆盖原二进制文件后
得到的函数仍然是未修改前的.

原因:可能是fence 和 not fence  。为解决

---------------------------------------------------
注意运行db2 udf 的用户是启动数据库进程的用户 ,而不是登陆数据库的用户。
所以,启动数据库的用户不一定有权限做登录数据库用户的操作。
如果udf 执行了某些系统程序。则可能会出现失败。

---------------------------------------------------
脚本 exper=$((date2-date1))  报错 bad number

原因:类型错误 需要先用typeset 定义一下. (有些机器不会出现错误,可能有默认类型的关系 )

---------------------------------------------------
如何将英文字符转换成大写/小写,并赋值给一个变量?如果你用ksh,很简单
typeset -l var=AAA #var变成小写了
typeset -u var=aaa #var变成大写了