From: Alexander Nozdrin
Date: March 9 2011 8:52am
Subject: Re: bzr commit into mysql-5.5 branch (alexander.nozdrin:3367) Bug#11763413
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Hello,

On 03/08/11 15:11, Jon Olav Hauglid wrote:
>>         The problem was in some corner cases TABLE instance might have
>>         NULL 's' attribute (a pointer to TABLE_SHARE).
>
> Which corner cases?

Well.. Sometimes we construct TABLE_LIST instances "manually".
For example, in cases like SHOW TRIGGERS LIKE <table name>.

> I'm unable to reproduce the original problem with this test case and
> your change reverted. Is it OS specific? (I tested with
> --cursor-protocol as well).

Strange.

My box is: Ubuntu 10.10
uname -a:
Linux quad 2.6.35-27-server #48-Ubuntu SMP Tue Feb 22 21:53:16 UTC 2011 
x86_64 GNU/Linux

> Even with this change, I'm able to reproduce the problem from Bug#56115
> using the bug56115.c test case Shane posted.

Grr. I should have run it myself. Thanks.
I'll investigate...