this would even be easier (and correcter if the terms contain "%")
written as:
cond = or_(*[Fruit.name.contains(term) for term in terms])
On 8 mei, 21:59, Kyle Schaffrick <k...@raidi.us> wrote:
> On Fri, 8 May 2009 12:52:09 -0700 (PDT)
>
>
>
> Bryan <bryanv...@gmail.com> wrote:
>
> > I can't figure out a clean way of adding a bunch of filter terms to a
> > query in a loop joined by an OR clause. Successive calls to filter
> > join the expressions by AND. I would like to do something like the
> > following, but have the expressions joined by OR
>
> > terms = ['apple', 'orange', 'peach']
> > q = Session.query(Fruit)
> > for term in terms:
> > q = q.filter(Fruit.name.like('%' + term + '%')
>
> > Desired pseudo-sql:
> > SELECT * FROM fruit WHERE name like '%apple%' OR name like '%orange%'
> > OR name like '%peach%'
>
> I think this might do what you want:
>
> cond = or_(*[ Fruit.name.like('%' + term + '%') for term in terms ])
> q = Session.query(Fruit).filter(cond)
>
> -Kyle
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