Subject: Re: [boost] SQL client library ?
From: Alp Mestan (alp_at_[hidden])
Date: 2009-09-16 14:39:16
Looks fine to me !
How will you handle backends for many of the RDBMS ? (if you will)
On Wed, Sep 16, 2009 at 8:12 PM, Jean-Louis Leroy <jl_at_[hidden]> wrote:
> Alp Mestan wrote:
>> You'll then introduce a "condition" DSEL to generate a predicate used by
>> where without creating like(), between() functions etc ?
> Like this :
> select((t1.id, t2.id)).from((t1, t2, p))
> .where((t1.income + t2.income).between(20, 40)
> && p.husband == t1.id && p.wife == t2.id)
> Hmm. The double parentheses are needed because the argument separator role
> of the comma has priority over its role as an operator. It may become
> disturbing to have a mixture of cases where double parentheses are mandatory
> and cases where they are not...
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-- Alp Mestan http://blog.mestan.fr/ http://alp.developpez.com/
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