Compiling WM_CONCAT function in Oracle database

There is something that I wanted to know about Wm_concat. I read it one of the posts across the forum, that wm_concat, being a non-documented function, isn't installed in a particular database and user can possibly install it later(wm_concat fucntion not wrking in 11g...
I came across another post that had some source code for doing the same(wm_concat fucntion not wrking in 11g...
code:
SQL> CREATE OR REPLACE
type WM_CONCAT_IMPL wrapped
a000000
1
abcd
abcd
abcd
abcd
abcd
abcd
abcd
abcd
abcd
abcd
abcd
abcd
abcd
abcd
abcd
d
270 160
bg9hz+fBwa888VEZGViHFs/oOP0wg433f64df3QCWE7VehmhTFcUe3y+JrsniV3cSuvmnE3g
Y93dtR+cCsU1N+UQDGbtzhCf2HIdr8lPzfgF2bmCTvmGlHQbTAjTftNrDq3p093ncwb32OyX
3ZFDTeH2jpjm3uWYyT8kZBfJIYxRwgLfRApoW32cpy0eRnvDBt2XfTAMXKCSNnqSoTiGA83W
6deKW+rWyBu9L/EPyFkmQZeBncNsiNDF8fa1Sm6vdQiEanlCQnaPJ11a0na8hK6psDSaey+x
fdMupCwSvg6gMrSV4QCguhOCqW2AmxRVMqpXJootPpTBxBFZc7hORGbriUI=
Type created.
SQL> CREATE OR REPLACE function wm_concat wrapped
a000000
1
abcd
abcd
abcd
abcd
abcd
abcd
abcd
abcd
abcd
abcd
abcd
abcd
abcd
abcd
abcd
8
58 96
CuW1MAfZPVR6NOnXKVmXY2o9pswg8eZgcfLCNLXhZy8K7/cgzcVrPnfMPnx3TAM7h0ZSXD
j57Asr2ym9ZtFldFmFu+RdpAU8VGORKSvtVG+DmAOR4C+NTa+Pit2kDbEpI5zhZUgqameSkE
DQ==
Function created.
I wanted to know, if this solution of compiling the above code works well. Also, iis wm_concat not supported in 11g?

WM_CONCAT is still an undocumented function and shouldn't be used. If you're on 11g then you can use the new (and supported) LISTAGG function which works better anyway.
DO NOT USE undocumented functionality, even if you've obtained the wrapped source code for it (how do you know that's not some fake code someone's wrapped that could cause malicious damage?)
Even Tom Kyte tells you not to use undocumented functions such as WM_CONCAT
Re: DISTINCT not working with wmsys.wm_concat

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dude if you are using jdeveloper 10.1.3.x for development of web service the library you have loadded into database dwwsclinet etc or sopa.jar or mail .jar will not work
for getting the output for the web services developed on jdeveloper you need following file to upload on database
wsclient_extended for 10.1.3.x.0 where x stands for your version
wsclient_extended.jar which can be downloaded from
http://download.oracle.com/otn/java/oc4j/1013x0/wsclient_extended_1013x0.zip the stands for subversion
xstands for your version
after downloading above file upload it
open up the socket by command
on SYS schema
SQL>call dms_java.grant_permission('YOUR_SCHEMA','SYS:java.net.SocketPermission','<IPaddress ofcomputer>:<portnumber>(eg 10.8.11.98:8888)','connect,resolve');
SQL>call dms_java.grant_permission('YOUR-SCHEMA','SYS:java.util.PropertyPermission','*','read,write');
SQL>call dms_java.grant_permission('YOUR-SCHEMA','SYS:java.lang.RuntimePermission','createClassLoader','');
SQL>call dms_java.grant_permission('YOUR-SCHEMA','SYS:java.lang.RuntimePermission','getClassLoader','');
SQL>call dms_java.grant_permission('YOUR-SCHEMA','SYS:java.lang.RuntimePermission','setContextClassLoader','');
SQL>call dms_java.grant_permission('YOUR-SCHEMA','SYS:java.lang.RuntimePermission','setFactory','');
SQL>call dms_java.grant_permission('YOUR-SCHEMA','SYS:java.lang.RuntimePermission','setIO','');
SQL>call dms_java.grant_permission('YOUR-SCHEMA','SYS:java.lang.RuntimePermission','shutdownHooks','');
SQL>call dms_java.grant_permission('YOUR-SCHEMA','SYS:java.lang.RuntimePermission','accessClassInPackage.sun.util.calender','');
Now make a jar file which contain all your class files of proxy put that jar file on database an compile that jar file on database it should work than convert it into java stored procedure and invoke that procedure
Vishal Rijhwani
JAVA DEVELOPER
Message was edited by:
user635429

Compiling WM_CONCAT function in Oracle database

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