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List:       mysql
Subject:    Re: how to figure out what options are supported, was Re: Odd crash with MySQL Embedded 5.1.28
From:       "Ian Monroe" <imonroe () kde ! org>
Date:       2008-09-27 2:58:47
Message-ID: f680fec50809261958g2e5c5469v58dee339153848a7 () mail ! gmail ! com
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On Fri, Sep 26, 2008 at 4:15 PM, Dan Nelson <dnelson@allantgroup.com> wrote:
> In the last episode (Sep 26), Ian Monroe said:
>> On Fri, Sep 26, 2008 at 1:55 PM, Ian Monroe <ian@monroe.nu> wrote:
>> > On Fri, Sep 26, 2008 at 9:37 AM, Ian Monroe <ian@monroe.nu> wrote:
>> >> So we're using MySQL Embedded in Amarok, it works fine for most of us
>> >> that use 5.1, including myself. However the following backtrace is
>> >> from the second person to have this issue. Its repeatable, happens at
>> >> startup.
>> >>
>> >> Is there something about how their MySQL is setup on their system that
>> >> could cause such a crash?
>> > [snip]
>> >>    mysql_library_init(num_elements, server_options, server_groups);
>> >>    m_db = mysql_init(NULL); // <- crash happens HERE
>> >
>> > So we did figure out that mysql_library_init is returning 1, which
>> > explains why mysql_init is crashing.
>> >
>> > But how do we figure out what exactly the '1' means? Any clues?
>>
>> We figured it out: we had --skip-innodb, which crashed anyone who
>> didn't have Innodb support built.
>>
>> Is there any way we could have it add --skip-innodb if and only if
>> Innodb support is present? I can't find a mysql_* function that
>> describes server functionality. A compile time option would work as
>> well I suppose, since we're currently statically linking.
>
> You want --loose-skip-innodb.
>
> http://dev.mysql.com/doc/refman/5.0/en/command-line-options.html
>
>  If an option is prefixed by --loose, a program does not exit with an
>  error if it does not recognize the option, but instead issues only a
>  warning:
>
>  $ mysql --loose-no-such-option
>  mysql: WARNING: unknown option '--no-such-option'

Hey thanks, I think thats exactly what we need.

Ian

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