Re: SQL statement PREPARE does not work in ECPG

Hi Matsumura-san,

> I defined the following specifications. Please review it.
> 
> * ECPG can accept any valid PREPARE AS statement.
> * A char-type host variable can be used as the statement name of
> PREPARE AS,
>   but its value is constrained by the specification of PREPARE AS.
>   (e.g. the name cannot include double quotation.)
> * The above also allows the following. It's a bit strange but there
> is no reason
>   for forbidding.
>     prepare :st(type_list) as select $1
> * ECPG can accept EXECUTE statement with expression list that is
> allocated
>   by both PREPARE FROM and PREPARE AS under the following
> constraints:
>   - It must not include a using-clause.
>   - The statement name must follow to the specification of PREPARE
> AS.

This look very reasonable to me. I'm completely fine with this
restriction being placed on PREPARE FROM.

Michael
-- 
Michael Meskes
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