[asterisk-bugs] [JIRA] (ASTERISK-25938) res_odbc: MySQL/MariaDB statement LAST_INSERT_ID() always returns zero.

[Mark Michelson (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-25938?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Michelson updated ASTERISK-25938:
--------------------------------------

    Attachment: func_odbc_dsn.diff

I'm attaching func_odbc_dsn.diff . This patch contains a proposed fix for this problem. It changes func_odbc back to using a single connection per DSN. Please give this a try and verify that it fixes your problem.

> res_odbc: MySQL/MariaDB statement LAST_INSERT_ID() always returns zero.
> -----------------------------------------------------------------------
>
>                 Key: ASTERISK-25938
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25938
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Functions/func_odbc, Resources/res_odbc
>    Affects Versions: 13.8.0, 13.8.1
>         Environment: CentOS	  	  	7.2		  	2015-11
> Asterisk	  		13.8.0/13.8.1
> MariaDB			5.5.44
> unixODBC		2.3.1
> jansson  	  		2.7	  		2014-10-02
> PJSIP (pjproject)	2.4.5		2015-08-12
>            Reporter: Edwin Vandamme
>            Severity: Minor
>         Attachments: func_odbc_dsn.diff
>
>
> After upgrading to Asterisk 13.8.0 the MySQL/MariaDB statement LAST_INSERT_ID() always returns zero.
> To double check that it is related to Asterisk, I recompiled and installed 13.7.0 without any other modifications and the LAST_INSERT_ID() was returned correctly.
> To be sure, I recompiled and installed 13.8.0 and the problem returned.
> So back to 13.7.0 and no problem whatsoever.
> I checked the latest version which at time of writing is 13.8.1 and the problem returned.
> So back to 13.7.0 and no problem whatsoever.
> In my extensions.conf I do the following : 
> {code}
> ; Lock MySQL/MariaDB access.
> same = n,While($[${L} <= 0])
> same = n,Set(L=${LOCK(MySQL)})
> same = n,EndWhile()
> ; Mark start of a call attempt.
> same = n,Set(history_h1(${nIServer},${IProject},${ANI})=)
> ; Get unique call id
> same = n,Set(CallId=${history_h2()})
> ; Unlock MySQL access as the correct CallId was found.
> same = n,Set(L=${UNLOCK(MySQL)})
> {code}
> In my func_odbc.conf I do the following : 
> {code}
> [h1]
> prefix=history
> dsn=asterisk
> writesql=INSERT INTO callsystem.history SET IServer=${ARG1},IProject='${ARG2}',CallerId='${ARG3}',Status='ONLINE';
> [h2]
> prefix=history
> dsn=asterisk
> readsql=SELECT LAST_INSERT_ID() FROM callsystem.history LIMIT 1;
> {code}
> I also tried
> {code}
> readsql=SELECT LAST_INSERT_ID(); to no avail.
> {code}



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