On 02/18/2012 11:37 AM, Tom Lane wrote:
> Andreas Kretschmer<akretschmer@spamfence.net> writes:
>> You can check the plan with the auto_explain - Extension, and you can
>> force the planner to create a plan based on the actual input-value by
>> using dynamic SQL (EXECUTE 'your query string' inside the function)
> Steve *is* using EXECUTE, so that doesn't seem to be the answer. I'm
> wondering about datatype mismatches myself --- the function form is
> forcing the parameter to be char(9), which is not a constraint imposed
> in the written-out query. There are lots of other possibilities
> though. It would be hard to say much without a self-contained example
> to try.
>
>
He's using EXECUTE ... USING. Does that plan with the used parameter?
cheers
andrew