No comment, though I am wondering if you have looked at full text search in 
sql server? If sql server doesn't work for you anymore, I would advise 
going w/ postgres over mysql.

What is the query that you are running? Likely you can avoid this by making 
a query that does exists statement vs an IN statement.

On Tuesday, September 25, 2012 3:28:18 AM UTC-6, Chris Cartlidge wrote:
>
> Hi,
>
> As you guys may know MySQL has an performance issue with "IN" statements (
> http://bugs.mysql.com/bug.php?id=9090). Currently we are using a MSSQL 
> quite a few of our search queries use the "IN" statement to perform some 
> sort of filtering and performance is fine.
>
> However, we moved over to MySQL to take advantage of it's full text search 
> and have become stuck with this issue. Has anyone had any experiences with 
> the above and know of any solution?  
>
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