Re: 'LIKE' statement in Model.objects.raw() with percentage '%'

On Wed, Jul 17, 2013 at 9:15 AM, spondbob squelpen <babibubabi@gmail.com> wrote:
> the '1' is coming from typeId, so the WHERE condition must be look like:
> WHERE placeType_id=1 AND (placeTag LIKE '%test%')
>
> print out tags:
> AND (placeTag LIKE '%test%')
>
> i have tried your solution by adding double percentage but still got same
> error

Like I said, use the debugger.

>
> On Wednesday, July 17, 2013 10:04:48 PM UTC+7, Larry....@gmail.com wrote:
>>
>> On Wed, Jul 17, 2013 at 8:58 AM, spondbob squelpen <babib...@gmail.com>
>> wrote:
>> > where do i put those double percentage? like this?
>> > tags = " AND (placeTag LIKE '%%" + "%%' OR placeTag LIKE
>> > '%%".join(placeTag.split(',')) + "%%')"
>> >
>> > but still got the same error:
>> > Warning: Truncated incorrect DOUBLE value: '1 AND (placeTag LIKE
>> > '%%test%%')'
>>
>> Where is the '1' coming from? I'd set a breakpoint here and run the
>> development server and see exactly what is going on. Print out the
>> tags and query, and if necessary step into Place.objects.raw.
>>
>> >
>> > On Wednesday, July 17, 2013 9:47:25 PM UTC+7, Larry....@gmail.com wrote:
>> >>
>> >> On Wed, Jul 17, 2013 at 8:24 AM, spondbob squelpen <babib...@gmail.com>
>> >> 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: '1AND (placeTag LIKE
>> >> > '%cafe%'
>> >> > OR placeTag LIKE '%pub%')'
>> >> >
>> >> > I guess 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?
>> >>
>> >> You need '%%' when you want to end up with '%'
>> >
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>
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