[asterisk-bugs] [Asterisk 0018091]: dialgroup fills database with duplicates

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=18091 
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Reported By:                bunny
Assigned To:                tilghman
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Project:                    Asterisk
Issue ID:                   18091
Category:                   Functions/func_dialgroup
Reproducibility:            always
Severity:                   major
Priority:                   normal
Status:                     assigned
Asterisk Version:           1.6.2.11 
JIRA:                        
Regression:                 No 
Reviewboard Link:            
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Request Review:              
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Date Submitted:             2010-10-04 20:37 CDT
Last Modified:              2010-10-06 08:54 CDT
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Summary:                    dialgroup fills database with duplicates
Description: 
every time a dialgroup is called, it appends to the astdb resulting in a
ridiculous number of repeats. It is, however, sorting the duplicates.

example usage:
http://www.asterisk.org/docs/asterisk/trunk/functions/dialgroup
http://www.voip-info.org/wiki/view/Asterisk+func+dialgroup

Either the way to use dialgroup is violently wrong or there is a bug in
how stuff works.

After a while, you end up with:

/dialgroup/5f                                     :
SIP/500 at phone-521.office&SIP/500 at phone-521.office&SIP/500 at phone-521.office
&SIP/500 at phone-521.office&SIP/500 at phone-521.office&SIP/500 at phone-521.office
&SIP/500 at phone-521.office&SIP/500 at phone-521.office&SIP/500 at phone-521.office
&SIP/500 at phone-521.office&SIP/500 at phone-521.office&SIP/500 at phone-521.office
&SIP/500 at phone-521.office&SIP/500 at phone-521.office&SIP/500 at phone-521.office
&SIP/500 at phone-521.office&SIP/500 at phone-521.office&SIP/500 at phone-521.office
...
&SIP/500 at phone-521.office&SIP/500 at phone-521.office&SIP/500 at phone-521.office
&SIP/500 at phone-521.office&SIP/500 at phone-521.office&SIP/500 at phone-521.office
&SIP/500 at phone-521.office&SIP/500 at phone-521.office&SIP/500 at phone-512.office
&SIP/500 at phone-513.office&SIP/500 at phone-512.office&SIP/500 at phon...


database deltree dialgroup/5f also lies about its success.

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 (0127748) tilghman (administrator) - 2010-10-06 08:54
 https://issues.asterisk.org/view.php?id=18091#c127748 
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Yeah, you're not supposed to add to the dialgroup each time on a dial. 
Think of a dialgroup as something that a phone logs into and out of. 
Nevertheless, this should not result in duplicates, so I'll look at
removing those. 

Issue History 
Date Modified    Username       Field                    Change               
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2010-10-06 08:54 tilghman       Note Added: 0127748                          
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