when you prepare the parameters before calling ibatis, you could change the parameter value like this:
value = "%" + value + "%";
So just let Java does this job.


good luck;

Juan

On 05/10/2010 07:27 PM, masonka...@libero.it wrote:
Hi,

I'm using ibatis 3.0 and I need help using special character in xml mapping
files.
Thanks to ibatis I switch between mysql server and Apache derby Embedded
database easily but i need to write a like condition in a way compatible with
both db.

What I want to get is "like '%<value>%'", but in xml this create some problem
(% is special character, I try with cddata but doesn't work).
At first  I solve in mysql using concat function concat('%',<value>,'%').
This doesn't work with apache derby, because it doesn't support this kind of
function.
Somebody can help me to write this expression in a way that work with both
databases.

Thanks.

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