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Jorge
On Jul 17, 2013, at 4:21 PM, spondbob squelpen wrote:
> I have problem in django using query statement "LIKE %s%" with
> Model.objects.raw(). I guess the problem is on '%' character but i don't know
> where is it. Here's my model's code:
>
> def listInRange(self, placeLat, placeLng, typeId, range, placeTag):
> tags = ''
> if placeTag:
> tags = " AND (placeTag LIKE '%" + "%' OR placeTag LIKE
> '%".join(placeTag.split(',')) + "%')"
>
> query = "SELECT *, \
> ( \
> 6371000 * \
> acos( \
> cos( radians(%s) ) * \
> cos( radians(placeLat) ) * \
> cos( radians(placeLng) - radians(%s) ) + \
> sin( radians(%s) ) * \
> sin( radians(placeLat) ) \
> ) \
> ) AS placeDistance, \
> COUNT(r.reviewId) as placeReviews, \
>
> (SUM(r.reviewPointPrice)/COUNT(r.reviewId)+SUM(r.reviewPointService)/COUNT(r.reviewId)+SUM(r.reviewPointLocation)/COUNT(r.reviewId)+SUM(r.reviewPointCondition)/COUNT(r.reviewId)+SUM(r.reviewPointComfort)/COUNT(r.reviewId))/5
> AS averagePoint \
> FROM place_place p \
> LEFT JOIN review_review r \
> ON r.reviewPlace_id = p.placeId\
> WHERE placeType_id = %s %s \
> GROUP BY p.placeId \
> HAVING placeDistance < %s \
> ORDER BY placeDistance"
>
> return Place.objects.raw(query, [placeLat, placeLng, placeLat,
> typeId, tags, range])
>
> If placeTag is not empty, then it will added to the WHERE condition. When the
> placeTag is empty there's no such problem, but when placeTag is not empty i
> got this error :
>
> Warning: Truncated incorrect DOUBLE value: '1 AND (placeTag LIKE '%cafe%'
> OR placeTag LIKE '%pub%')'
>
> I think python make '1 AND (placeTag LIKE '%cafe%' OR placeTag LIKE '%pub%')'
> as the value for placeType_id. How can i make the value of placeType_id=1 and
> add the AND statement? What's the better way to write the sql statement using
> Model.objects.raw() with 'like' statement?
>
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