i added a patch against trunk to the ticket. spiffytech - can you see if
that works for you?
cfh
On Monday, August 13, 2012 12:20:02 AM UTC-7, howesc wrote:
>
> we do special query handling on the key field, so i suspect the multiple
> filters on key is wonky. i'll try and look at this in the next couple of
> days....
>
> thanks for reporting, and thanks for your patience guiding us through it.
> :)
>
> christian
>
> On Sunday, August 12, 2012 8:01:29 PM UTC-7, spiffytech wrote:
>>
>> Yes, I've verified that this can be done. The below query works in the
>> App Engine Datastore Viewer (note that it only worked once I manually
>> created the index in index.yaml and deployed it; web2py did not
>> automatically create the appropriate index:
>>
>> SELECT * FROM posts WHERE __key__ IN (KEY('posts', 3), KEY('posts', 4),
>> KEY('posts', 1003)) and post_date <= DATETIME('2012-08-12 00:00:00') ORDER
>> BY post_date DESC
>>
>>
>> On Sunday, August 12, 2012 9:56:20 PM UTC-4, Anthony wrote:
>>>
>>> How would you do the query in GQL? Have you confirmed that it can be
>>> done?
>>>
>>> Anthony
>>>
>>> On Sunday, August 12, 2012 9:23:39 PM UTC-4, spiffytech wrote:
>>>>
>>>> I tested with your suggested orderby, but the outcome was the same.
>>>>
>>>> I tested with the query as you wrote it below, with no common_filter,
>>>> and the query still failed. Since that's a pretty straightforward query
>>>> that should work, this seems like a bug to me, so I filed a web2py bug
>>>> report: http://code.google.com/p/web2py/issues/detail?id=930
>>>>
>>>>
>>>> On Thursday, August 9, 2012 5:39:14 PM UTC-4, howesc wrote:
>>>>>
>>>>> i had to look up common_filters.....based on your experience i would
>>>>> assume that this is being implemented as a query filter rather than
>>>>> getting
>>>>> results from the DB and then filtering them. so what is must be causing
>>>>> in
>>>>> your case is:
>>>>>
>>>>> posts = db((db.posts.id.belongs(post_ids)) &
>>>>> (db.posts.post_date<=request.now)).select(db.posts.ALL,orderby=db.posts.post_date,
>>>>> cache
>>>>> =(cache.ram, 60))
>>>>>
>>>>> it *might* work if you put an orderby on that is
>>>>> db.posts.id|db.posts.post_date
>>>>> i'm not sure. you might have to remove the common filter for this query
>>>>> and then filter the results. (i don't have experience with common filters
>>>>> and how they are implemented)
>>>>>
>>>>> GAE has a restriction on IN queries (web2py belongs queries) that they
>>>>> have no more than 30 items in the list. "because i said so" says google.
>>>>>
>>>>>
>>>>>
>>>>> On Thursday, August 9, 2012 1:57:13 PM UTC-7, spiffytech wrote:
>>>>>>
>>>>>> I've narrowed the problem down further- the exception is caused by a
>>>>>> common_filter attached to my posts table:
>>>>>>
>>>>>> common_filter = lambda query: db.posts.post_date <= request.now
>>>>>>
>>>>>> I'm not sure why that would trigger the orderby error, though.
>>>>>>
>>>>>> Also, is there some significance to limiting the belongs lists to 30
>>>>>> items?
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Thursday, August 9, 2012 4:24:13 PM UTC-4, howesc wrote:
>>>>>>>
>>>>>>> the query and the error message do not match. your query has no
>>>>>>> orderby, yet the error message suggests there is an orderby property
>>>>>>> set.
>>>>>>> this confuses me.
>>>>>>>
>>>>>>> i do:
>>>>>>>
>>>>>>> db(db.table.id.belongs([list of items not more than 30
>>>>>>> long])).select()
>>>>>>>
>>>>>>> all the time on GAE and it works for me (latest stable web2py, and
>>>>>>> the last time i checked trunk though that was a few weeks ago)
>>>>>>>
>>>>>>> note that cache does nothing on selects on GAE due to the inability
>>>>>>> to serialize Rows objects to memcache (at least i think that is the
>>>>>>> limitation)
>>>>>>>
>>>>>>> cfh
>>>>>>>
>>>>>>> On Thursday, August 9, 2012 10:40:33 AM UTC-7, spiffytech wrote:
>>>>>>>>
>>>>>>>> I'm trying to use the DAL belongs clause on App Engine and am
>>>>>>>> getting an error.
>>>>>>>>
>>>>>>>> posts = db(db.posts.id.belongs(post_ids)).select(db.posts.ALL,cache
>>>>>>>> =(cache.ram, 60))
>>>>>>>>
>>>>>>>> Produces:
>>>>>>>>
>>>>>>>> BadArgumentError: First ordering property must be the same as
>>>>>>>> inequality filter property, if specified for this query; received
>>>>>>>> __key__,
>>>>>>>> expected post_date
>>>>>>>>
>>>>>>>> Some Googling suggests this can be due to not providing a sort key.
>>>>>>>> I tried orderby=db.posts.post_date with no success. What could be
>>>>>>>> going wrong?
>>>>>>>>
>>>>>>>> I'm using the latest trunk web2py, but tested all the way back to
>>>>>>>> 1.99.3.
>>>>>>>>
>>>>>>>
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