Oracle sqlldr是否可以在Oracle 10和11中接受TNS条目作为实例限

例如,在SQLPlus中：

sqlplus user/password@(description=(address=(host=localhost)(protocol=tcp)(port=1521))(connect_data=(sid=orcl))) @script.sql

但是使用sqlldr(SQL Loader)似乎直接使用TNS条目存在问题.特别：

sqlldr user/password@(description=(address=(host=localhost)(protocol=tcp)(port=1521))(connect_data=(sid=orcl))) bad='bad_file.txt' control='control.ctl' data='data.txt' log='log.txt' direct='true'

这是产生的错误消息：

LRM-00116: syntax error at 'address' following '('

    SQL*Loader: Release 11.2.0.1.0 - Production on Tue Sep 13 15:41:54 2011

    Copyright (c) 1982,2009,Oracle and/or its affiliates.  All rights reserved.

    SQL*Loader-100: Syntax error on command-line

尝试将TNS条目封装在引号中会产生相同的错误.

看一下sqlldr文档,并尝试使用’userid’命令行参数无济于事.特别：

sqlldr userid='user/password@(description=(address=(host=localhost)(protocol=tcp)(port=1521))(connect_data=(sid=orcl)))' bad='bad.txt' control='control.ctl' data='data.txt' log='log.txt' direct='true'
LRM-00116: syntax error at 'password@(' following '='

SQL*Loader: Release 11.2.0.1.0 - Production on Tue Sep 13 15:44:17 2011

Copyright (c) 1982,Oracle and/or its affiliates.  All rights reserved.

SQL*Loader-100: Syntax error on command-line

有意义的是,Oracle希望将用户强制转换为本地实例,以减轻将数据推送到远程主机的I / O.但支持语法的偏差并不那么直观.其他人遇到过类似问题吗？

http://www.simplemancomplexmachine.com/2011/10/sqlldr-one-liner-to-remote-database.html

Yes there is a one-line solution and you can use a TNS connect string
to do this from the command line. The key is formatting the connection
string a little different as it must be quoted. Additionally the
quotes and parentheses must be escaped (backslashes):

sqlldr userid=dbuser@"(description=(address=(host=remote.db.com)(protocol=tcp)(port=1521))(connect_data=(sid=dbsid)))"/dbpass control=controlfilename.ctl data=data.csv

请注意,在原始博客文章中,他在’/ dbpass’前面有一个空格.这会导致sqlldr给出错误：

LRM-00112：参数’userid’不允许多个值

（编辑：李大同）

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